DICHLOROPHENYLARSINE

Dichlorophenylarsine has been used as a solvent and military agent. It decomposes upon contact with water to form HYDROCHLORIC ACID. It produces vomiting, lacrimation, and blisters, and can be fatal if absorbed through the lungs, skin, or gastrointestinal tract. Burns or severe irritation to the eyes, skin, and lungs with pulmonary edema would be expected to occur.

Chronic exposure to dichlorophenylarsine has been reported to produce contact dermatitis. Presumably chronic exposures at doses too low to produce irritative effects could produce arsenic poisoning. Thymic atrophy occurred in rats given dichlorophenylarsine in the diet.

This review is based upon the properties of lacrimators, vesicants, and arsenic. Effects attributed specifically to dichlorophenylarsine are identified.

Acute arsenic poisoning can occur with doses as low as 20 mg in an adult. Symptoms of acute arsenic poisoning include metallic or garlic taste, vomiting, abdominal pain, dysphagia, and watery or bloody diarrhea. Dehydration, intense thirst, fluid-electrolyte disturbances and hypovolemia are common. Hypotension, tachycardia, cardiac dysrhythmias and EKG abnormalities, toxic delerium and encephalopathy, peripheral neuropathy, and liver and kidney damage may also occur. Hemolysis, pancytopenia, anemia, and seizures have been caused by acute or chronic exposure to arsenic.

Chronic occupational exposure to arsenic has been associated with hoarse voice, nasal irritation and possible perforation of the nasal septum, irritation of eyes, skin, and mucous membranes, and rarely, cirrhosis of the liver. Nausea and vomiting and ulceration of the wrist and scrotal skin, lips, and nostrils may develop with exposure to dust or vapor. Systemic arsenic poisoning from occupational exposure is uncommon.

Arsenic exposure has been linked with cancers of the lungs, lymph glands, bone marrow, bladder, kidney, prostate, and liver.

POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)

Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin.
Contact with molten substance may cause severe burns to skin and eyes.
Avoid any skin contact.
Effects of contact or inhalation may be delayed.
Fire may produce irritating, corrosive and/or toxic gases.
Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

-MEDICAL TREATMENT

LIFE SUPPORT

Support respiratory and cardiovascular function.

SUMMARY

FIRST AID - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)

Move victim to fresh air.
Call 911 or emergency medical service.
Give artificial respiration if victim is not breathing.
Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
Administer oxygen if breathing is difficult.
Remove and isolate contaminated clothing and shoes.
In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes.
For minor skin contact, avoid spreading material on unaffected skin.
Keep victim warm and quiet.
Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed.
Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves.

FIRST AID

FIRST AID MEASURES -

INHALATION EXPOSURE -

INHALATION: Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with an inhaled beta2-adrenergic agonist. Consider systemic corticosteroids in patients with significant bronchospasm.
ACUTE LUNG INJURY: Maintain ventilation and oxygenation and evaluate with frequent arterial blood gases and/or pulse oximetry monitoring. Early use of PEEP and mechanical ventilation may be needed.

DERMAL EXPOSURE -

DECONTAMINATION: Remove contaminated clothing and jewelry and place them in plastic bags. Wash exposed areas with soap and water for 10 to 15 minutes with gentle sponging to avoid skin breakdown. A physician may need to examine the area if irritation or pain persists (Burgess et al, 1999).

EYE EXPOSURE -

DECONTAMINATION: Remove contact lenses and irrigate exposed eyes with copious amounts of room temperature 0.9% saline or water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist after 15 minutes of irrigation, the patient should be seen in a healthcare facility.

ORAL EXPOSURE -

Do not induce emesis.
DILUTION: If no respiratory compromise is present, administer milk or water as soon as possible after ingestion. Dilution may only be helpful if performed in the first seconds to minutes after ingestion. The ideal amount is unknown; no more than 8 ounces (240 mL) in adults and 4 ounces (120 mL) in children is recommended to minimize the risk of vomiting.
GASTRIC LAVAGE: Consider after ingestion of a potentially life-threatening amount of poison if it can be performed soon after ingestion (generally within 1 hour). Protect airway by placement in the head down left lateral decubitus position or by endotracheal intubation. Control any seizures first.

CONTRAINDICATIONS: Loss of airway protective reflexes or decreased level of consciousness in unintubated patients; following ingestion of corrosives; hydrocarbons (high aspiration potential); patients at risk of hemorrhage or gastrointestinal perforation; and trivial or non-toxic ingestion.

Although arsenic is commonly listed as being effectively adsorbed to charcoal, data are lacking.

ACTIVATED CHARCOAL: Administer charcoal as a slurry (240 mL water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents, 25 to 50 g in children (1 to 12 years), and 1 g/kg in infants less than 1 year old.

OTHER -

After acute arsenic exposure, the primary threats to life are from hypovolemia and cardiac toxicity resulting in arrhythmias or cardiogenic shock. Volume status must be monitored carefully by taking frequent vital signs, following hourly urine output (requires catheterization of bladder), and preferably central venous pressure or cardiac output monitoring.
In chronic arsenic poisoning, the most important step is removing the patient from the source of exposure.
Details of the evaluation and treatment of arsenical cancers is beyond the scope of this review. Individuals suspected of having arsenic-induced cancers should be evaluated in consultation with an oncologist, surgeon, or other physicians knowledgeable in the treatment of cancer.

TREATMENT -

INHALATION EXPOSURE -

INHALATION: Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with an inhaled beta2-adrenergic agonist. Consider systemic corticosteroids in patients with significant bronchospasm.
HYPOTENSION: Infuse 10 to 20 mL/kg isotonic fluid. If hypotension persists, administer dopamine (5 to 20 mcg/kg/min) or norepinephrine (ADULT: begin infusion at 0.5 to 1 mcg/min; CHILD: begin infusion at 0.1 mcg/kg/min); titrate to desired response.
Treat tachycardia or ventricular fibrillation with fluid replacement, DC countershock and standard antiarrhythmic agents. Monitor serum electrolytes and administer replacement therapy as indicated.
URINE ALKALINIZATION

Administer 1 to 2 mEq/kg sodium bicarbonate bolus. Add 132 milliequivalents (3 ampules) sodium bicarbonate and 20 to 40 milliequivalents potassium chloride (as needed) to one liter of dextrose 5 percent in water and infuse at approximately 1.5 times the maintenance fluid rate. Adjust as needed to achieve a urine pH of at least 7.5 and a urine output of 1 to 3 mL/kg/hr.
Assure adequate hydration and renal function. Monitor fluid balance, serum electrolytes, and blood pH. Obtain hourly intake/output and urine pH.

Administer arsenic chelation agent (dimercaprol, D-penicillamine) in asymptomatic patients when urine arsenic level is 200 mcg/L or above, until the 24-hour urine arsenic level falls below 50 mcg/L.
ACUTE LUNG INJURY: Maintain ventilation and oxygenation and evaluate with frequent arterial blood gases and/or pulse oximetry monitoring. Early use of PEEP and mechanical ventilation may be needed.
Hemodialysis should be performed in the presence of any degree of renal failure.

DERMAL EXPOSURE -

DECONTAMINATION: Remove contaminated clothing and jewelry and place them in plastic bags. Wash exposed areas with soap and water for 10 to 15 minutes with gentle sponging to avoid skin breakdown. A physician may need to examine the area if irritation or pain persists (Burgess et al, 1999).
Treat dermal irritation or burns with standard topical therapy. Patients developing dermal hypersensitivity reactions may require treatment with systemic or topical corticosteroids or antihistamines.
HYPOTENSION: Infuse 10 to 20 mL/kg isotonic fluid. If hypotension persists, administer dopamine (5 to 20 mcg/kg/min) or norepinephrine (ADULT: begin infusion at 0.5 to 1 mcg/min; CHILD: begin infusion at 0.1 mcg/kg/min); titrate to desired response.
Treat tachycardia or ventricular fibrillation with fluid replacement, DC countershock and standard antiarrhythmic agents. Monitor serum electrolytes and administer replacement therapy as indicated.
URINE ALKALINIZATION

Administer 1 to 2 mEq/kg sodium bicarbonate bolus. Add 132 milliequivalents (3 ampules) sodium bicarbonate and 20 to 40 milliequivalents potassium chloride (as needed) to one liter of dextrose 5 percent in water and infuse at approximately 1.5 times the maintenance fluid rate. Adjust as needed to achieve a urine pH of at least 7.5 and a urine output of 1 to 3 mL/kg/hr.
Assure adequate hydration and renal function. Monitor fluid balance, serum electrolytes, and blood pH. Obtain hourly intake/output and urine pH.

Administer arsenic chelation agent (dimercaprol, D-penicillamine) in asymptomatic patients when urine arsenic level is 200 mcg/L or above, until the 24-hour urine arsenic level falls below 50 mcg/L.
ACUTE LUNG INJURY: Maintain ventilation and oxygenation and evaluate with frequent arterial blood gases and/or pulse oximetry monitoring. Early use of PEEP and mechanical ventilation may be needed.
Hemodialysis should be performed in the presence of any degree of renal failure.

EYE EXPOSURE -

DECONTAMINATION: Remove contact lenses and irrigate exposed eyes with copious amounts of room temperature 0.9% saline or water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist after 15 minutes of irrigation, the patient should be seen in a healthcare facility.
Treatment should include recommendations listed in the INHALATION EXPOSURE section when appropriate.

ORAL EXPOSURE -

Do not induce emesis.
DILUTION: If no respiratory compromise is present, administer milk or water as soon as possible after ingestion. Dilution may only be helpful if performed in the first seconds to minutes after ingestion. The ideal amount is unknown; no more than 8 ounces (240 mL) in adults and 4 ounces (120 mL) in children is recommended to minimize the risk of vomiting.
GASTRIC LAVAGE: Consider after ingestion of a potentially life-threatening amount of poison if it can be performed soon after ingestion (generally within 1 hour). Protect airway by placement in the head down left lateral decubitus position or by endotracheal intubation. Control any seizures first.

CONTRAINDICATIONS: Loss of airway protective reflexes or decreased level of consciousness in unintubated patients; following ingestion of corrosives; hydrocarbons (high aspiration potential); patients at risk of hemorrhage or gastrointestinal perforation; and trivial or non-toxic ingestion.

Although arsenic is commonly listed as being effectively adsorbed to charcoal, data are lacking.

ACTIVATED CHARCOAL: Administer charcoal as a slurry (240 mL water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents, 25 to 50 g in children (1 to 12 years), and 1 g/kg in infants less than 1 year old.

HYPOTENSION: Infuse 10 to 20 mL/kg isotonic fluid. If hypotension persists, administer dopamine (5 to 20 mcg/kg/min) or norepinephrine (ADULT: begin infusion at 0.5 to 1 mcg/min; CHILD: begin infusion at 0.1 mcg/kg/min); titrate to desired response.
Treat tachycardia or ventricular fibrillation with fluid replacement, DC countershock and standard antiarrhythmic agents. Monitor serum electrolytes and administer replacement therapy as indicated.
URINE ALKALINIZATION

Administer 1 to 2 mEq/kg sodium bicarbonate bolus. Add 132 milliequivalents (3 ampules) sodium bicarbonate and 20 to 40 milliequivalents potassium chloride (as needed) to one liter of dextrose 5 percent in water and infuse at approximately 1.5 times the maintenance fluid rate. Adjust as needed to achieve a urine pH of at least 7.5 and a urine output of 1 to 3 mL/kg/hr.
Assure adequate hydration and renal function. Monitor fluid balance, serum electrolytes, and blood pH. Obtain hourly intake/output and urine pH.

Administer arsenic chelation agent (dimercaprol, D-penicillamine) in asymptomatic patients when urine arsenic level is 200 mcg/L or above, until the 24-hour urine arsenic level falls below 50 mcg/L.
ACUTE LUNG INJURY: Maintain ventilation and oxygenation and evaluate with frequent arterial blood gases and/or pulse oximetry monitoring. Early use of PEEP and mechanical ventilation may be needed.
Hemodialysis should be performed in the presence of any degree of renal failure.

-RANGE OF TOXICITY

MINIMUM LETHAL EXPOSURE

GENERAL/SUMMARY

The minimum lethal human dose to this agent has not been delineated.
One milligram/kilogram of ingested arsenic may be lethal in a child (Woody & Kometani, 1948).
As little as 20 milligrams of arsenic may produce life-threatening toxicity (Zaloga et al, 1970; Schoolmeester & White, 1980; Hutton & Christians, 1983).

ANIMAL DATA

LCLo (EPA, 1985) - 0.370 mg/L in mouse

MAXIMUM TOLERATED EXPOSURE

ROUTE OF EXPOSURE

The mean incapacitating dose for vomiting is 16 mg-min/m(3). Eye injury occurs at 633 mg-min/m(3). The mean incapacitating dose as a blistering agent is 1800 mg-min/m(3) (EPA, 1985).
AVERAGE HUMAN ARSENIC INTAKE - 250 to 330 micrograms/day (in food and water) (Gilman et al, 1985; Baselt & Cravey, 1989).

Carcinogenicity Ratings for CAS696-28-6 :

ACGIH (American Conference of Governmental Industrial Hygienists, 2010): Not Listed
EPA (U.S. Environmental Protection Agency, 2011): Not Listed
IARC (International Agency for Research on Cancer (IARC), 2016; International Agency for Research on Cancer, 2015; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2010; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2010a; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2008; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2007; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2006; IARC, 2004): Not Listed
NIOSH (National Institute for Occupational Safety and Health, 2007): Not Listed
MAK (DFG, 2002): Not Listed
NTP (U.S. Department of Health and Human Services, Public Health Service, National Toxicology Project ): Not Listed

TOXICITY AND RISK ASSESSMENT VALUES

EPA IRIS

EPA Risk Assessment Values for CAS696-28-6 (U.S. Environmental Protection Agency, 2011):

Not Listed

TOXICITY VALUES

References: RTECS, 1998
- LC50- (INHALATION)MOUSE:
- LD50- (SKIN)GUINEA_PIG:
- LD50- (INTRAVENOUS)MOUSE:
- LD50- (SKIN)MOUSE:
- LD50- (INTRAVENOUS)RABBIT:
- LD50- (SKIN)RABBIT:
- LD50- (SKIN)RAT:

-STANDARDS AND LABELS

WORKPLACE STANDARDS

ACGIH TLV Values for CAS696-28-6 (American Conference of Governmental Industrial Hygienists, 2010):

Not Listed

AIHA WEEL Values for CAS696-28-6 (AIHA, 2006):

Not Listed

NIOSH REL and IDLH Values for CAS696-28-6 (National Institute for Occupational Safety and Health, 2007):

Not Listed

OSHA PEL Values for CAS696-28-6 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):

Not Listed

OSHA List of Highly Hazardous Chemicals, Toxics, and Reactives for CAS696-28-6 (U.S. Occupational Safety and Health Administration, 2010):

Not Listed

ENVIRONMENTAL STANDARDS

EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS696-28-6 (U.S. Environmental Protection Agency, 2010):

Listed as: Arsonous dichloride, phenyl-
Final Reportable Quantity, in pounds (kilograms):

1 (0.454)

Additional Information:
Listed as: Dichlorophenylarsine
Final Reportable Quantity, in pounds (kilograms):

1 (0.454)

Additional Information:

EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS696-28-6 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA RCRA Hazardous Waste Number for CAS696-28-6 (U.S. Environmental Protection Agency, 2010b):

Listed as: Arsonous dichloride, phenyl-
P or U series number: P036
Footnote:
Listed as: Dichlorophenylarsine
P or U series number: P036
Footnote:
Editor's Note: The D, F, and K series waste numbers and Appendix VIII to Part 261 -- Hazardous Constituents were not included. Please refer to 40 CFR Part 261.

EPA SARA Title III, Extremely Hazardous Substance List for CAS696-28-6 (U.S. Environmental Protection Agency, 2010):

Listed as: Phenyl Dichloroarsine
Reportable Quantity, in pounds: 1

Only the statutory or final RQ is shown. For more information, see 40 CFR table 302.4.

Threshold Planning Quantity, in pounds:

500
Amount necessary to be covered by this standard. See 40 CFR 355.30.

Note(s): d

d: Revised TPQ based on new or re-evaluated toxicity data, April 22, 1987.

EPA SARA Title III, Community Right-to-Know for CAS696-28-6 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):

Not Listed

DOT List of Marine Pollutants for CAS696-28-6 (49 CFR 172.101 - App. B, 2005):

Not Listed

EPA TSCA Inventory for CAS696-28-6 (EPA, 2005):

Listed as: Arsonous dichloride, phenyl-

SHIPPING REGULATIONS

SURFACE

DOT -- Table of Hazardous Materials and Special Provisions for UN/NA Number 1556 (49 CFR 172.101, 2005):

Hazardous materials descriptions and proper shipping name: Arsenic compounds, liquid, n.o.s. inorganic, including arsenates, n.o.s.; arsenites, n.o.s.; arsenic sulfides, n.o.s.; and organic compounds of arsenic, n.o.s

Symbol(s): Not Listed
Hazard class or Division: 6.1

6.1: Poisonous materials. See 49 CFR section 173.132 for definitions.

Identification Number: UN1556
Packing Group: I

I: Packing Group I - indicates the degree of danger presented by the material is great.

Label(s) required (if not excepted): 6.1

6.1: Poison Inhalation Hazard (inhalation hazard, Zone A or B) or Poison (other than inhalation hazard, Zone A or B; the packing group for a material is indicated in column 5 of the table.).

Special Provisions: T14, TP2, TP13, TP27

T14: Minimum test pressure (bar): 6; Minimum shell thickness (in mm-reference steel) (See sxn.178.274(d)): 6 mm; Pressure-relief requirements (See sxn.178.275(g)): section 178.275(g)(3); Bottom opening requirements (See sxn.178.275(d)): Prohibited.
TP2: a. The maximum degree of filling must not exceed the degree of filling determined by the following: [Degree of filling = 95/1+alpha(tr - tf)], where tr is the maximum mean bulk temperature during transport, tf is the temperature in degrees celsius of the liquid during filling, and alpha is the mean coefficient of cubical expansion of the liquid between the mean temperature of the liquid during filling (tf) and the maximum mean bulk temperature during transportation (tr) both in degrees celsius; and b. For liquids transported under ambient conditions a may be calculated using the formula: [alpha = (d15-d50)/(35 x d50)], where d15 and d50 are the densities (in units of mass per unit volume) of the liquid at 15 degrees C (59 degrees F) and 50 degrees C (122 degrees F), respectively.
TP13: Self-contained breathing apparatus must be provided when this hazardous material is transported by sea.
TP27: A portable tank having a minimum test pressure of 4 bar (400 kPa) may be used provided the calculated test pressure is 4 bar or less based on the MAWP of the hazardous material, as defined in sxn. 178.275 of this subchapter, where the test pressure is 1.5 times the MAWP.

Packaging Authorizations (refer to 49 CFR 173.***):

Exceptions: None
Non-bulk packaging: 201
Bulk packaging: 243

Quantity Limitations:

Passenger aircraft or railcar: 1 L
Cargo aircraft only: 30 L

Vessel Stowage Requirements:

Vessel stowage location: B

B: (i) The material may be stowed "on deck" or "under deck" on a cargo vessel and on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers, or one passenger per each 3 m of overall vessel length; and (ii) "On deck only" on passenger vessels in which the number of passengers specified in paragraph (k)(2)(i) of this section is exceeded.

Vessel stowage other: 40

40: Stow "clear of living quarters".

Hazardous materials descriptions and proper shipping name: Arsenic compounds, liquid, n.o.s. inorganic, including arsenates, n.o.s.; arsenites, n.o.s.; arsenic sulfides, n.o.s.; and organic compounds of arsenic, n.o.s

Symbol(s): Not Listed
Hazard class or Division: 6.1

6.1: Poisonous materials. See 49 CFR section 173.132 for definitions.

Identification Number: UN1556
Packing Group: II

II: Packing Group II - indicates the degree of danger presented by the material is medium.

Label(s) required (if not excepted): 6.1

6.1: Poison Inhalation Hazard (inhalation hazard, Zone A or B) or Poison (other than inhalation hazard, Zone A or B; the packing group for a material is indicated in column 5 of the table.).

Special Provisions: IB2, T11, TP2, TP13, TP27

IB2: Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130kPa at 55 °C (1.3 bar at 131 °F) are authorized.
T11: Minimum test pressure (bar): 6; Minimum shell thickness (in mm-reference steel) (See sxn.178.274(d)): sxn.178.274(d)(2); Pressure-relief requirements (See sxn.178.275(g)): Normal; Bottom opening requirements (See sxn.178.275(d)): sxn.178.275(d)(3).
TP2: a. The maximum degree of filling must not exceed the degree of filling determined by the following: [Degree of filling = 95/1+alpha(tr - tf)], where tr is the maximum mean bulk temperature during transport, tf is the temperature in degrees celsius of the liquid during filling, and alpha is the mean coefficient of cubical expansion of the liquid between the mean temperature of the liquid during filling (tf) and the maximum mean bulk temperature during transportation (tr) both in degrees celsius; and b. For liquids transported under ambient conditions a may be calculated using the formula: [alpha = (d15-d50)/(35 x d50)], where d15 and d50 are the densities (in units of mass per unit volume) of the liquid at 15 degrees C (59 degrees F) and 50 degrees C (122 degrees F), respectively.
TP13: Self-contained breathing apparatus must be provided when this hazardous material is transported by sea.
TP27: A portable tank having a minimum test pressure of 4 bar (400 kPa) may be used provided the calculated test pressure is 4 bar or less based on the MAWP of the hazardous material, as defined in sxn. 178.275 of this subchapter, where the test pressure is 1.5 times the MAWP.

Packaging Authorizations (refer to 49 CFR 173.***):

Exceptions: 153
Non-bulk packaging: 202
Bulk packaging: 243

Quantity Limitations:

Passenger aircraft or railcar: 5 L
Cargo aircraft only: 60 L

Vessel Stowage Requirements:

Vessel stowage location: B

B: (i) The material may be stowed "on deck" or "under deck" on a cargo vessel and on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers, or one passenger per each 3 m of overall vessel length; and (ii) "On deck only" on passenger vessels in which the number of passengers specified in paragraph (k)(2)(i) of this section is exceeded.

Vessel stowage other: 40

40: Stow "clear of living quarters".

Hazardous materials descriptions and proper shipping name: Arsenic compounds, liquid, n.o.s. inorganic, including arsenates, n.o.s.; arsenites, n.o.s.; arsenic sulfides, n.o.s.; and organic compounds of arsenic, n.o.s

Symbol(s): Not Listed
Hazard class or Division: 6.1

6.1: Poisonous materials. See 49 CFR section 173.132 for definitions.

Identification Number: UN1556
Packing Group: III

III: Packing Group III - indicates the degree of danger presented by the material is minor.

Label(s) required (if not excepted): 6.1

6.1: Poison Inhalation Hazard (inhalation hazard, Zone A or B) or Poison (other than inhalation hazard, Zone A or B; the packing group for a material is indicated in column 5 of the table.).

Special Provisions: IB3, T7, TP2, TP28

IB3: Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1 and 31HA2, 31HB2, 31HN2, 31HD2 and 31HH2). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130 kPa at 55 °C (1.3 bar at 131 °F) are authorized, except for UN2672 (also see Special Provision IP8 in Table 3 for UN2672).
T7: Minimum test pressure (bar): 4; Minimum shell thickness (in mm-reference steel) (See sxn.178.274(d)): sxn.178.274(d)(2); Pressure-relief requirements (See sxn.178.275(g)): Normal; Bottom opening requirements (See sxn.178.275(d)): sxn.178.275(d)(3).
TP2: a. The maximum degree of filling must not exceed the degree of filling determined by the following: [Degree of filling = 95/1+alpha(tr - tf)], where tr is the maximum mean bulk temperature during transport, tf is the temperature in degrees celsius of the liquid during filling, and alpha is the mean coefficient of cubical expansion of the liquid between the mean temperature of the liquid during filling (tf) and the maximum mean bulk temperature during transportation (tr) both in degrees celsius; and b. For liquids transported under ambient conditions a may be calculated using the formula: [alpha = (d15-d50)/(35 x d50)], where d15 and d50 are the densities (in units of mass per unit volume) of the liquid at 15 degrees C (59 degrees F) and 50 degrees C (122 degrees F), respectively.
TP28: A portable tank having a minimum test pressure of 2.65 bar (265 kPa) may be used provided the calculated test pressure is 2.65 bar or less based on the MAWP of the hazardous material, as defined in sxn. 178.275 of this subchapter, where the test pressure is 1.5 times the MAWP.

Packaging Authorizations (refer to 49 CFR 173.***):

Exceptions: 153
Non-bulk packaging: 203
Bulk packaging: 241

Quantity Limitations:

Passenger aircraft or railcar: 60 L
Cargo aircraft only: 220 L

Vessel Stowage Requirements:

Vessel stowage location: B

B: (i) The material may be stowed "on deck" or "under deck" on a cargo vessel and on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers, or one passenger per each 3 m of overall vessel length; and (ii) "On deck only" on passenger vessels in which the number of passengers specified in paragraph (k)(2)(i) of this section is exceeded.

Vessel stowage other: 40

40: Stow "clear of living quarters".

Hazardous materials descriptions and proper shipping name: Methyldichloroarsine

Symbol(s): D

D: identifies proper shipping names which are appropriate for describing materials for domestic transportation but may be inappropriate for international transportation under the provisions of international regulations (e.g., IMO, ICAO). An alternate proper shipping name may be selected when either domestic or international transportation is involved.

Hazard class or Division: 6.1

6.1: Poisonous materials. See 49 CFR section 173.132 for definitions.

Identification Number: NA1556
Packing Group: I

I: Packing Group I - indicates the degree of danger presented by the material is great.

Label(s) required (if not excepted): 6.1

6.1: Poison Inhalation Hazard (inhalation hazard, Zone A or B) or Poison (other than inhalation hazard, Zone A or B; the packing group for a material is indicated in column 5 of the table.).

Special Provisions: 2, T20, TP4, TP12, TP13, TP38, TP45

2: This material is poisonous by inhalation (see sxn. 171.8 of this subchapter) in Hazard Zone B (see sxn. 173.116(a) or sxn. 173.133(a) of this subchapter), and must be described as an inhalation hazard under the provisions of this subchapter.
T20: Minimum test pressure (bar): 10; Minimum shell thickness (in mm-reference steel) (See sxn.178.274(d)): 8 mm; Pressure-relief requirements (See sxn.178.275(g)): sxn. 178.275(g)(3); Bottom opening requirements (See sxn.178.275(d)): Prohibited.
TP4: The maximum degree of filling for portable tanks must not exceed 90%.
TP12: This material is considered highly corrosive to steel.
TP13: Self-contained breathing apparatus must be provided when this hazardous material is transported by sea.
TP38: Each portable tank must be insulated with an insulating material so that the overall thermal conductance at 15.5 °C (60 °F) is no more than 1.5333 kilojoules per hour per square meter per degree Celsius (0.075 Btu per hour per square foot per degree Fahrenheit) temperature differential. Insulating materials may not promote corrosion to steel when wet.
TP45: Each portable tank must be made of stainless steel, except that steel other than stainless steel may be used in accordance with the provisions of 173.24b(b) of this subchapter. Thickness of stainless steel for portable tank shells and heads must be the greater of 6.35 mm (0.250 inch) or the thickness required for a portable tank with a design pressure at least equal to 1.3 times the vapor pressure of the hazardous material at 46 °C (115 °F).

Packaging Authorizations (refer to 49 CFR 173.***):

Exceptions: None
Non-bulk packaging: 192
Bulk packaging: None

Quantity Limitations:

Passenger aircraft or railcar: Forbidden
Cargo aircraft only: Forbidden

Vessel Stowage Requirements:

Vessel stowage location: D

D: The material must be stowed "on deck only" on a cargo vessel and on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers or one passenger per each 3 m of overall vessel length, but the material is prohibited on passenger vessels in which the limiting number of passengers is exceeded.

Vessel stowage other: 40

40: Stow "clear of living quarters".

ICAO International Shipping Name for UN1556 (ICAO, 2002):

Proper Shipping Name: Arsenic compound, liquid, n.o.s., inorganic, including: Arsenates, n.o.s.; Arsenites, n.o.s.; and Arsenic sulphides, n.o s.
UN Number: 1556

LABELS

NFPA

NFPA Hazard Ratings for CAS696-28-6 (NFPA, 2002):

Not Listed

-HANDLING AND STORAGE

STORAGE

ROOM/CABINET RECOMMENDATIONS

Storage Temperature: Ambient (CHRIS , 1991)

-PERSONAL PROTECTION

SUMMARY

RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)

Wear positive pressure self-contained breathing apparatus (SCBA).
Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection.
Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.

RESPIRATORY PROTECTION

Refer to "Recommendations for respirator selection" in the NIOSH Pocket Guide to Chemical Hazards on TOMES Plus(R) for respirator information.

PROTECTIVE CLOTHING

CHEMICAL PROTECTIVE CLOTHING. Search results for CAS 696-28-6.

Specific recommendations and test data for this chemical were not found in the available manufacturers' product literature. A complete list of consulted manufacturers and references is presented below.

-PHYSICAL HAZARDS

FIRE HAZARD

SUMMARY

POTENTIAL FIRE OR EXPLOSION HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)
- Combustible material: may burn but does not ignite readily.
- Containers may explode when heated.
- Runoff may pollute waterways.
- Substance may be transported in a molten form.

FLAMMABILITY CLASSIFICATION

NFPA Flammability Rating for CAS696-28-6 (NFPA, 2002):

Not Listed

FIRE CONTROL/EXTINGUISHING AGENTS

SMALL FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)

Dry chemical, CO2 or water spray.

LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)

Water spray, fog or regular foam.
Move containers from fire area if you can do it without risk.
Dike fire control water for later disposal; do not scatter the material.
Use water spray or fog; do not use straight streams.

TANK OR CAR/TRAILER LOAD FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)

Fight fire from maximum distance or use unmanned hose holders or monitor nozzles.
Do not get water inside containers.
Cool containers with flooding quantities of water until well after fire is out.
Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank.
ALWAYS stay away from tanks engulfed in fire.
For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn.

NFPA Extinguishing Methods for CAS696-28-6 (NFPA, 2002):

Not Listed

Extinguish with dry chemical, carbon dioxide, water spray foam or fog (EPA, 1985).

Phenyldichloroarsine sinks in water (CHRIS , 1991).

Wear positive pressure breathing apparatus and chemical protective clothing (EPA, 1985; HSDB , 1991).

Structural firefighter's protective clothing is not effective with these materials (HSDB , 1991).

COMBUSTION TOXICITY

Fire may produce irritating and toxic gases (CHRIS , 1991).
- When exposed to heat, water or steam corrosive and toxic chloride and arsenic gases are formed (CHRIS , 1991; EPA, 1985; Sax & Lewis, 1989).
- Upon decomposition hydrogen chloride and phenylarsenious oxide are emitted (CHRIS , 1991; EPA, 1985).

DUST/VAPOR HAZARD

When exposed to heat, water or steam corrosive and toxic chloride and arsenic gases are formed (CHRIS , 1991; EPA, 1985; Sax & Lewis, 1989).

Upon decomposition hydrogen chloride and phenylarsenious oxide are emitted (CHRIS , 1991; EPA, 1985).

REACTIVITY HAZARD

When exposed to heat, water or steam corrosive chloride gases are formed (EPA, 1985; Lewis, 1996).

Upon decomposition hydrogen chloride and phenylarsenious oxide are emitted (EPA, 1985).

In contact with water phenyldichloroarsine slowly decomposes to hydrochloric acid (CHRIS , 1998).

Corrodes metals because of acids formed (CHRIS , 1998).

EVACUATION PROCEDURES

SUMMARY

Initial Isolation and Protective Action Distances (ERG, 2004)

Data presented from the Emergency Response Guidebook Table of Initial Isolation and Protective Action Distances are for use when a spill has occurred and there is no fire. If there is a fire, or if a fire is involved, evacuation information presented under FIRE - PUBLIC SAFETY EVACUATION DISTANCES should be used.
Generally, a small spill is one that involves a single, small package such as a drum containing up to approximately 200 liters, a small cylinder, or a small leak from a large package. A large spill is one that involves a spill from a large package, or multiple spills from many small packages.
Suggested distances to protect from vapors of toxic-by-inhalation and/or water-reactive materials during the first 30 minutes following the spill.

DOT ID No. 1556 - PD

when used as a weapon
SMALL SPILLS

First isolate in all directions: 30 meters (100 feet).
Note wind direction.
Then protect persons downwind:

during the DAY for: 0.2 kilometers (0.1 miles); or
during the NIGHT for: 0.2 kilometers (0.1 miles).

LARGE SPILLS

First isolate in all directions: 30 meters (100 feet).
Note wind direction.
Then protect persons downwind:

during the DAY for: 0.2 kilometers (0.1 miles); or
during the NIGHT for: 0.4 kilometers (0.2 miles).

SPILL - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)

Increase, in the downwind direction, as necessary, the isolation distance of at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids in all directions.

FIRE - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)

If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions.

PUBLIC SAFETY MEASURES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)

CALL Emergency Response Telephone Number on Shipping Paper first. If Shipping Paper not available or no answer, refer to appropriate telephone number:

MEXICO:

SETIQ:

01-800-00-214-00 in the Mexican Republic;
For calls originating in Mexico City and the Metropolitan Area: 5559-1588;
For calls originating elsewhere, call: 011-52-555-559-1588.

CENACOM:

01-800-00-413-00 in the Mexican Republic;
For calls originating in Mexico City and the Metropolitan Area: 5550-1496, 5550-1552, 5550-1485, or 5550-4885;
For calls originating elsewhere, call: 011-52-555-550-1496, or 011-52-555-550-1552; 011-52-555-550-1485, or 011-52-555-550-4885.

ARGENTINA:

CIQUIME:

0-800-222-2933 in the Republic of Argentina;
For calls originating elsewhere, call: +54-11-4613-1100.

BRAZIL:

PRÓ-QUÍMICA:

0-800-118270 (Toll-free in Brazil);
For calls originating elsewhere, call: +55-11-232-1144 (Collect calls are accepted).

COLUMBIA:

CISPROQUIM:

01-800-091-6012 in Colombia;
For calls originating in Bogotá, Colombia, call: 288-6012;
For calls originating elsewhere, call: 011-57-1-288-6012.

CANADA:

CANUTEC:

613-996-6666 (Collect calls are accepted);
*666 cellular (in Canada only).

UNITED STATES:

CHEMTREC®:

1-800-424-9300 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
703-527-3887 for calls originating elsewhere (Collect calls are accepted).

CHEM-TEL, INC.:

1-800-255-3924 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
813-248-0585 for calls originating elsewhere (Collect calls are accepted).

INFOTRAC:

1-800-535-5053 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
352-323-3500 for calls originating elsewhere (Collect calls are accepted).

3E COMPANY:

1-800-451-8346 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
760-602-8703 for calls originating elsewhere (Collect calls are accepted).

NATIONAL RESPONSE CENTER (NRC):

1-800-424-8802 - (24 hours) (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
202-267-2675 for calls in the District of Columbia.

MILITARY SHIPMENTS:

703-697-0218 - Explosives/ammunition incidents (Collect calls are accepted);
1-800-851-8061 - All other dangerous goods incidents.

NATIONWIDE POISON CONTROL CENTER (United States only):

1-800-222-1222 (Toll-free in the U.S.).

For additional details see the section entitled "WHO TO CALL FOR ASSISTANCE" under the ERG Instructions.
As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.
Keep unauthorized personnel away.
Stay upwind.
Keep out of low areas.

Keep unnecessary people away. Isolate hazard area and deny entry (HSDB , 1991).

Stay upwind, out of low areas, and ventilate closed spaces before entering (HSDB , 1991).

Evacuation: If material leaking (not on fire) consider evacuation from downwind area based on amount of material spilled, location and weather conditions (AAR, 1987).

AIHA ERPG Values for CAS696-28-6 (AIHA, 2006):

Not Listed

DOE TEEL Values for CAS696-28-6 (U.S. Department of Energy, Office of Emergency Management, 2010):

Listed as Phenyl dichloroarsine (Dichlorophenylarsine)
TEEL-0 (units = mg/m3): 0.061
TEEL-1 (units = mg/m3): 0.061
TEEL-2 (units = mg/m3): 0.061
TEEL-3 (units = mg/m3): 0.18
Definitions:

TEEL-0: The threshold concentration below which most people will experience no adverse health effects.
TEEL-1: The airborne concentration (expressed as ppm [parts per million] or mg/m(3) [milligrams per cubic meter]) of a substance above which it is predicted that the general population, including susceptible individuals, could experience notable discomfort, irritation, or certain asymptomatic, nonsensory effects. However, these effects are not disabling and are transient and reversible upon cessation of exposure.
TEEL-2: The airborne concentration (expressed as ppm or mg/m(3)) of a substance above which it is predicted that the general population, including susceptible individuals, could experience irreversible or other serious, long-lasting, adverse health effects or an impaired ability to escape.
TEEL-3: The airborne concentration (expressed as ppm or mg/m(3)) of a substance above which it is predicted that the general population, including susceptible individuals, could experience life-threatening adverse health effects or death.

AEGL Values for CAS696-28-6 (National Research Council, 2010; National Research Council, 2009; National Research Council, 2008; National Research Council, 2007; NRC, 2001; NRC, 2002; NRC, 2003; NRC, 2004; NRC, 2004; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; United States Environmental Protection Agency Office of Pollution Prevention and Toxics, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; 62 FR 58840, 1997; 65 FR 14186, 2000; 65 FR 39264, 2000; 65 FR 77866, 2000; 66 FR 21940, 2001; 67 FR 7164, 2002; 68 FR 42710, 2003; 69 FR 54144, 2004):

Listed as: Phenyldichloroarsine
Proposed Value:

AEGL-1

10 min exposure:

ppm:
mg/m3: Not recommended because of insufficient data

30 min exposure:

ppm:
mg/m3: Not recommended because of insufficient data

1 hr exposure:

ppm:
mg/m3: Not recommended because of insufficient data

4 hr exposure:

ppm:
mg/m3: Not recommended because of insufficient data

8 hr exposure:

ppm:
mg/m3: Not recommended because of insufficient data

Definitions:

AEGL-1 is the airborne concentration of a substance above which it is predicted that the general population, including susceptible individuals, could experience notable discomfort, irritation, or certain asymptomatic non-sensory effects. However, the effects are not disabling, are transient, and are reversible upon cessation of exposure.

Listed as: Phenyldichloroarsine
Proposed Value:

AEGL-2

10 min exposure:

ppm:
mg/m3: 0.37 mg/m(3)

30 min exposure:

ppm:
mg/m3: 0.12 mg/m(3)

1 hr exposure:

ppm:
mg/m3: 0.061 mg/m(3)

4 hr exposure:

ppm:
mg/m3: Not recommended because of insufficient data

8 hr exposure:

ppm:
mg/m3: Not recommended because of insufficient data

Definitions:

AEGL-2 is the airborne concentration of a substance above which it is predicted that the general population, including susceptible individuals, could experience irreversible or other serious, long-lasting adverse health effects or an impaired ability to escape.

Listed as: Phenyldichloroarsine
Proposed Value:

AEGL-3

10 min exposure:

ppm:
mg/m3: 1.1 mg/m(3)

30 min exposure:

ppm:
mg/m3: 0.37 mg/m(3)

1 hr exposure:

ppm:
mg/m3: 0.18 mg/m(3)

4 hr exposure:

ppm:
mg/m3: Not recommended because of insufficient data

8 hr exposure:

ppm:
mg/m3: Not recommended because of insufficient data

Definitions:

AEGL-3 is the airborne concentration of a substance above which it is predicted that the general population, including susceptible individuals, could experience life-threatening health effects or death.

NIOSH IDLH Values for CAS696-28-6 (National Institute for Occupational Safety and Health, 2007):

Not Listed

CONTAINMENT/WASTE TREATMENT OPTIONS

SUMMARY

SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)
- ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area).
- Do not touch damaged containers or spilled material unless wearing appropriate protective clothing.
- Stop leak if you can do it without risk.
- Prevent entry into waterways, sewers, basements or confined areas.
- Cover with plastic sheet to prevent spreading.
- Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers.
- DO NOT GET WATER INSIDE CONTAINERS.
RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 152 (ERG, 2004)
- Wear positive pressure self-contained breathing apparatus (SCBA).
- Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection.
- Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.
Stop discharge if possible (CHRIS , 1991).
Notify local health and pollution control agencies (CHRIS , 1991).

SMALL LEAK/SPILL

Small Liquid Spills: Take up with sand or other noncombustible absorbent material and place into containers for later disposal (HSDB , 1991).
Small Dry Spills: With clean shovel place material into clean, dry container and cover; move container from spill area (EPA, 1985; HSDB , 1991).

LARGE LEAK/SPILL

Water Pollution:
- Issue warning-poison, water containment, corrosive, restrict access, Disperse and Flush (CHRIS , 1991).
- Notify operators of nearby water intakes (CHRIS , 1991).
- Notify local health and wildlife officials (CHRIS , 1991).

-ENVIRONMENTAL HAZARD MANAGEMENT

POLLUTION HAZARD

No information found at the time of this review.

ENVIRONMENTAL FATE AND KINETICS

WATER

SURFACE WATER
- Sinks in water (CHRIS , 1991).

BIOACCUMULATION

OTHER

OTHER
- Food chain bioconcentration - none (CHRIS , 1991).

ENVIRONMENTAL TOXICITY

Effect of low concentrations on aquatic life is unknown (CHRIS , 1991).

May be dangerous if it enters water intakes (CHRIS , 1991).

-PHYSICAL/CHEMICAL PROPERTIES

MOLECULAR WEIGHT

222.93 (Lewis, 1996)

DESCRIPTION/PHYSICAL STATE

Colorless gas or liquid, changes to yellow (Lewis, 1996)

ODOR: Weak, but unpleasant (CHRIS , 1998)

VAPOR PRESSURE

0.021 mmHg (at 20 degrees C) (Sax & Lewis, 1989)

DENSITY

TEMPERATURE AND/OR PRESSURE NOT LISTED

1.654 g/cm(3) (Lewis, 1996)

FREEZING/MELTING POINT

FREEZING POINT

20 degrees C; 4 degrees F (HSDB , 1991; EPA, 1985)

BOILING POINT

255-275 degrees C; 489.2-494.6 degrees F (EPA, 1985; Sax & Lewis, 1989)

FLASH POINT

High enough to not interfere with normal use (EPA, 1985).

EXPLOSIVE LIMITS

LOWER

- No information found at the time of this review.

UPPER

- No information found at the time of this review.

SOLUBILITY

IN WATER

Insoluble in water (HSDB , 1998)

IN ORGANIC SOLVENTS

Soluble in alcohol, benzene, acetone and ether (HSDB , 1998).

-REFERENCES

GENERAL BIBLIOGRAPHY

40 CFR 372.28: Environmental Protection Agency - Toxic Chemical Release Reporting, Community Right-To-Know, Lower thresholds for chemicals of special concern. National Archives and Records Administration (NARA) and the Government Printing Office (GPO). Washington, DC. Final rules current as of Apr 3, 2006.

40 CFR 372.65: Environmental Protection Agency - Toxic Chemical Release Reporting, Community Right-To-Know, Chemicals and Chemical Categories to which this part applies. National Archives and Records Association (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Apr 3, 2006.

49 CFR 172.101 - App. B: Department of Transportation - Table of Hazardous Materials, Appendix B: List of Marine Pollutants. National Archives and Records Administration (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Aug 29, 2005.

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62 FR 58840: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 1997.

65 FR 14186: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2000.

65 FR 39264: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2000.

65 FR 77866: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2000.

66 FR 21940: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2001.

67 FR 7164: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2002.

68 FR 42710: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2003.

69 FR 54144: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2004.

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Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents