TRISODIUM PHOSPHATE

Editor's Note: This material is not listed in the Emergency Response Guidebook. Based on the material's physical and chemical properties, toxicity, or chemical group, a guide has been assigned. For additional technical information, contact one of the emergency response telephone numbers listed under Public Safety Measures.

MOLECULAR FORMULA

O4-P .3Na
Na3PO4

ERG GUIDE NUMBER

171-SUBSTANCES (LOW TO MODERATE HAZARD)

USES/FORMS/SOURCES

USES

It is used as a food additive and preservative, in photographic developers, for removing boiler scale and softening water, in detergents, metal cleaners, textiles, paint removers, and industrial cleaners, and as a buffering agent (HSDB).

FORMS

TRISODIUM PHOSPHATE, also called TRIBASIC SODIUM PHOSPHATE or SODIUM PHOSPHATE, is colorless or white nonflammable crystalline solid which is soluble in water to form a strongly buffered alkaline solution (pH 11.9 at 1%) (HSDB).

-CLINICAL EFFECTS

GENERAL CLINICAL EFFECTS

POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)

Inhalation of material may be harmful.
Contact may cause burns to skin and eyes.
Inhalation of Asbestos dust may have a damaging effect on the lungs.
Fire may produce irritating, corrosive and/or toxic gases.
Some liquids produce vapors that may cause dizziness or suffocation.
Runoff from fire control may cause pollution.

ACUTE CLINICAL EFFECTS

Its toxic effects stem from its strong alkalinity, which has been described as similar to that of sodium hydroxide (HSDB). Technical grades may have additional alkali added to prevent caking, and are even more caustic (HSDB).

In acute exposure, trisodium phosphate is a strong irritant and can be corrosive to all tissues with which it comes into contact, causing CAUSTIC BURNS (HSDB). Inhalation of the dust can produce breathing difficulty and pulmonary edema. It is a severe irritant of the skin and can cause dermal burns.

Ingestion of large amounts might induce hypernatremia or hypocalcemia characterized by tetanus-like spasms, due to sequestration of free calcium ions by the phosphate moiety. Caustic burns of the mouth, oropharynx, esophagus, or gastrointestinal tract might also result, with the potential for respiratory compromise, bleeding, perforation, or stenosis.

CHRONIC CLINICAL EFFECTS

At the time of this review, no studies were found on chronic trisodium phosphate exposure in humans or experimental animals.

-MEDICAL TREATMENT

LIFE SUPPORT

Support respiratory and cardiovascular function.

SUMMARY

FIRST AID - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)

Move victim to fresh air.
Call 911 or emergency medical service.
Give artificial respiration if victim is not breathing.
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.
Ensure that medical personnel are aware of the material(s) involved, and take precautions to protect themselves.

FIRST AID

GENERAL -

The following information is for Corrosives-Alkaline.
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.
Administer oxygen, determine blood gases and obtain a chest x-ray.
If pulmonary edema is present, consider positive end expiratory pressure ventilation and steroids.

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 -

Exposed eyes should be irrigated with copious amounts of water for at least 30 minutes. An examination should always be performed. Ophthalmological consultation should be obtained.

ORAL EXPOSURE -

The use of diluents is controversial. Residual perioral alkali should be rinsed with milk or water. Activated charcoal is NOT indicated.
Neutralization is contraindicated.
Emesis or gastric lavage should be avoided. Patient should be NPO following dilution until after surgical consultation.
Esophagoscopy should be performed 12 to 24 hours post-ingestion to assess severity where history indicates a definite ingestion of a caustic agent or where stridor, dysphagia or drooling are present.

Esophagoscopy is not indicated for asymptomatic bleach, ammonia (household), and non-phosphate detergents.
The esophagoscope should not be passed beyond the first circumferential burn for fear of perforation. A flexible tube is usually preferred.
Second or third degree burns have been reported in 9 to 22% of asymptomatic patients.

Although controversial, consider with caution administration of pharmacologic doses of steroids (1 mg/kg prednisone) where deep or circumferential esophageal burns are detected on esophagoscopy. Continue therapy for 3 weeks then taper if burns are found or esophagoscopy is not performed.
Antibiotics should be used only for specific indications of infection.
Consider performing a barium swallow at 10 days to 3 weeks following initial burn to assess severity of esophageal damage.
Dilation may be necessary when there is evidence of esophageal strictures. Intervals between dilatations per appropriate surgical consult.
Intraposition of the colon may be necessary if dilatation fails to provide an adequate sized esophagus. Some surgeons prefer a gastric tube to colonic intraposition.

-RANGE OF TOXICITY

MINIMUM LETHAL EXPOSURE

GENERAL/SUMMARY

The minimum lethal human dose to this agent has not been delineated.
The estimated fatal dose of SODIUM PHOSPHATES is 50 g (HSDB , 1992).

MAXIMUM TOLERATED EXPOSURE

GENERAL/SUMMARY

The maximum tolerated human exposure to this agent has not been delineated.

Carcinogenicity Ratings for CAS7601-54-9 :

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 CAS7601-54-9 (U.S. Environmental Protection Agency, 2011):

Not Listed

TOXICITY VALUES

METAPHOSPHORIC ACID, HEXASODIUM SALT References: RTECS, 1992 Budavari, 1989
- LD50- (INTRAPERITONEAL)MOUSE:
- LD50- (INTRAVENOUS)MOUSE:
- LD50- (ORAL)MOUSE:
- LD50- (SUBCUTANEOUS)MOUSE:
- LD50- (ORAL)RAT:
- LDLo- (INTRAVENOUS)RABBIT:
METAPHOSPHORIC ACID, TRISODIUM SALT References: RTECS, 1992 Budavari, 1989
- LD50- (INTRAPERITONEAL)RAT:
- LDLo- (INTRAVENOUS)RABBIT:
SODIUM PHOSPHATE, TRIBASIC (DODECAHYDRATE) References: RTECS, 1992 Budavari, 1989
- LD50- (INTRAPERITONEAL)MOUSE:
- LD50- (ORAL)RAT:
SODIUM PHOSPHATE, TRIBASIC References: RTECS, 1992 Budavari, 1989
- LDLo- (INTRAVENOUS)RABBIT:
SODIUM TRIPOLYPHOSPHATE References: RTECS, 1992 Budavari, 1989
- LD50- (SUBCUTANEOUS)GUINEA_PIG:
- LD50- (INTRAPERITONEAL)MOUSE:
- LD50- (INTRAVENOUS)MOUSE:
- LD50- (ORAL)MOUSE:
- LD50- (SUBCUTANEOUS)MOUSE:
- LD50- (INTRAPERITONEAL)RAT:
- LD50- (ORAL)RAT:
- LD50- (SUBCUTANEOUS)RAT:

-STANDARDS AND LABELS

WORKPLACE STANDARDS

ACGIH TLV Values for CAS7601-54-9 (American Conference of Governmental Industrial Hygienists, 2010):

Not Listed

AIHA WEEL Values for CAS7601-54-9 (AIHA, 2006):

Listed as Trisodium Phosphate
Not Listed
Ceiling or Short-term TWA: 5 mg/m3, 15 min.
Skin Notation: No
Dermal Sensitizer: No
Candidate WEEL: No
WEEL Under Review: No

NIOSH REL and IDLH Values for CAS7601-54-9 (National Institute for Occupational Safety and Health, 2007):

Not Listed

OSHA PEL Values for CAS7601-54-9 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):

Not Listed

OSHA List of Highly Hazardous Chemicals, Toxics, and Reactives for CAS7601-54-9 (U.S. Occupational Safety and Health Administration, 2010):

Not Listed

ENVIRONMENTAL STANDARDS

EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS7601-54-9 (U.S. Environmental Protection Agency, 2010):

Listed as: Sodium phosphate, tribasic
Final Reportable Quantity, in pounds (kilograms):

5000 (2270)

Additional Information:

EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS7601-54-9 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA RCRA Hazardous Waste Number for CAS7601-54-9 (U.S. Environmental Protection Agency, 2010b):

Not Listed
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 CAS7601-54-9 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA SARA Title III, Community Right-to-Know for CAS7601-54-9 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):

Not Listed

DOT List of Marine Pollutants for CAS7601-54-9 (49 CFR 172.101 - App. B, 2005):

Not Listed

EPA TSCA Inventory for CAS7601-54-9 (EPA, 2005):

Listed as: Phosphoric acid, trisodium salt

SHIPPING REGULATIONS

SURFACE

DOT -- Table of Hazardous Materials and Special Provisions (49 CFR 172.101, 2005):

Not Listed

ICAO International Shipping Name (ICAO, 2002):

Not Listed

LABELS

NFPA

NFPA Hazard Ratings for CAS7601-54-9 (NFPA, 2002):

Not Listed

-HANDLING AND STORAGE

STORAGE

CONTAINER

Anhydrous: Keep containers tightly closed in a well-ventilated area away from food products (OHM/TADS , 1992).

INCOMPATIBILITIES

Anhydrous: Keep away from heat and water (OHM/TADS , 1992).
Anhydrous: If allowed to pick up moisture, the substance will form a hard cake (OHM/TADS , 1992).

-PERSONAL PROTECTION

SUMMARY

RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)

Wear positive pressure self-contained breathing apparatus (SCBA).
Structural firefighters' protective clothing will only provide limited protection.

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 7601-54-9.

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

Editor's Note: This material is not listed in the Emergency Response Guidebook. Based on the material's physical and chemical properties, toxicity, or chemical group, a guide has been assigned. For additional technical information, contact one of the emergency response telephone numbers listed under Public Safety Measures.
POTENTIAL FIRE OR EXPLOSION HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)
- Some may burn but none ignite readily.
- Containers may explode when heated.
- Some may be transported hot.
Sodium phosphate, tribasic is nonflammable (Sax & Lewis, 1987).

FLAMMABILITY CLASSIFICATION

NFPA Flammability Rating for CAS7601-54-9 (NFPA, 2002):

Not Listed

FIRE CONTROL/EXTINGUISHING AGENTS

SMALL FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)

Dry chemical, CO2, water spray or regular foam.

LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)

Water spray, fog or regular foam.
Move containers from fire area if you can do it without risk.
Do not scatter spilled material with high pressure water streams.
Dike fire-control water for later disposal.

TANK FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)

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.

NFPA Extinguishing Methods for CAS7601-54-9 (NFPA, 2002):

Not Listed

COMBUSTION TOXICITY

When heated to decomposition, sodium tripolyphosphate can emit highly toxic fumes phosphorus oxides (HSDB , 1992).

DUST/VAPOR HAZARD

When heated to decomposition, sodium tripolyphosphate can emit highly toxic fumes phosphorus oxides (HSDB , 1992).

REACTIVITY HAZARD

When heated to decomposition, sodium tripolyphosphate can emit highly toxic fumes phosphorus oxides (HSDB , 1992).

When wet, mild steel or brass may be corroded by sodium phosphate, tribasic (HSDB , 1992).

EVACUATION PROCEDURES

SUMMARY

Editor's Note: This material is not listed in the Table of Initial Isolation and Protective Action Distances.

SPILL - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171(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 171 (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 171 (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.

AIHA ERPG Values for CAS7601-54-9 (AIHA, 2006):

Not Listed

DOE TEEL Values for CAS7601-54-9 (U.S. Department of Energy, Office of Emergency Management, 2010):

Listed as Sodium phosphate (tribasic)
TEEL-0 (units = mg/m3): 1.5
TEEL-1 (units = mg/m3): 5
TEEL-2 (units = mg/m3): 500
TEEL-3 (units = mg/m3): 500
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 CAS7601-54-9 (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):

Not Listed

NIOSH IDLH Values for CAS7601-54-9 (National Institute for Occupational Safety and Health, 2007):

Not Listed

CONTAINMENT/WASTE TREATMENT OPTIONS

SUMMARY

SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)
- Do not touch or walk through spilled material.
- Stop leak if you can do it without risk.
- Prevent dust cloud.
- Avoid inhalation of asbestos dust.
RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)
- Wear positive pressure self-contained breathing apparatus (SCBA).
- Structural firefighters' protective clothing will only provide limited protection.
At the time of this review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices (HSDB , 1992).
ENVIRONMENTAL CONSIDERATIONS - LAND SPILL (AAR, 1987)
- Dig a pit, pond, lagoon, or holding area to contain liquid or solid material.
- Cover solids with a plastic sheet to prevent dissolving in rain or fire fighting water.
ENVIRONMENTAL CONSIDERATIONS - WATER SPILL (AAR, 1987)
- Neutralize with agricultural lime, crushed limestone, or sodium bicarbonate.
- Adjust pH to neutral (pH = 7).
- Use mechanical dredges or lifts to remove immobilized masses of pollutants and precipitates.

SMALL LEAK/SPILL

SMALL SPILL PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)
- Take up with sand or other non-combustible absorbent material and place into containers for later disposal.
SMALL DRY SPILL PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)
- With clean shovel place material into clean, dry container and cover loosely; move containers from spill area.

LARGE LEAK/SPILL

LARGE SPILL PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 171 (ERG, 2004)
- Dike far ahead of liquid spill for later disposal.
- Cover powder spill with plastic sheet or tarp to minimize spreading.
- Prevent entry into waterways, sewers, basements or confined areas.

-ENVIRONMENTAL HAZARD MANAGEMENT

POLLUTION HAZARD

SOIL MOBILITY: Adsorption isotherms were measured for sulfate and phosphate ions on soil that had been incubated with lime. The lime treatment affected sulfate ions more strongly than phosphate ions. The results suggested that sulfate should be less mobile in alkaline soils (Marsh et al, 1992).

ENVIRONMENTAL FATE AND KINETICS

OTHER

OTHER
- Sodium phosphate, tribasic is not expected to accumulate in the food chain (OHM/TADS , 1992).

ENVIRONMENTAL TOXICITY

This compound is dangerous to aquatic life in high concentrations (CHRIS , 1992).

-PHYSICAL/CHEMICAL PROPERTIES

MOLECULAR WEIGHT

ANHYDROUS: 163.94 (RTECS , 1992)

DODECAHYDRATE: 380.18 (RTECS , 1992)

SODIUM TRIPOLYPHOSPHATE: 367.91 (Budavari, 1989)

METAPHOSPHORIC ACID, HEXASODIUM SALT: 611.76 (RTECS , 1992)

METAPHOSPHORIC ACID, TRISODIUM SALT: 308.91 (RTECS , 1992)

DESCRIPTION/PHYSICAL STATE

ODOR: Odorless (CHRIS , 1992)

TASTE: Lower taste threshold (anhydrous): 225 ppm (OHM/TADS , 1992)

COLOR - ANHYDROUS: Colorless crystals (Sax & Lewis, 1987)

COLOR - DODECAHYDRATE: Colorless or white crystals (Budavari, 1989)

COLOR - SODIUM TRIPOLYPHOSPHATE: White powder and granules, slightly hygroscopic (HSDB , 1992; Budavari, 1989)

COLOR - METAPHOSPHORIC ACID, HEXASODIUM SALT: Colorless glass (HSDB , 1992)

ANHYDROUS: 11.8-12.0 (1% solution) (Sax & Lewis, 1987)

DODECAHYDRATE: The aqueous solution is strongly alkaline (Budavari, 1989)

11.5 (0.1% solution) (Budavari, 1989)
11.7 (0.5% solution) (Budavari, 1989)
11.9 (1.0% solution) (Budavari, 1989)

SODIUM TRIPOLYPHOSPHATE: 9.7-9.8 (1% solution at 25 degrees C) (Budavari, 1989)

METAPHOSPHORIC ACID, HEXASODIUM SALT: Most preparations are neutral or only mildly alkaline (HSDB , 1992)

METAPHOSPHORIC ACID, TRISODIUM SALT: 6.7 (1% solution) (HSDB , 1992)

VAPOR PRESSURE

No information found at the time of this review.

DENSITY

OTHER TEMPERATURE AND/OR PRESSURE

ANHYDROUS: 1.62 g/cm(3) (at 20 degrees C) (Sax & Lewis, 1987)
ANHYDROUS: 2.536 g/cm(3) (at 17.5 degrees C) (HSDB , 1992)

TEMPERATURE AND/OR PRESSURE NOT LISTED

DODECAHYDRATE: 1.6 g/cm(3) (Budavari, 1989)

BOILING POINT

No information found at the time of this review.

FLASH POINT

No information found at the time of this review.

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

Anhydrous: 8.8 g in 100 cc water (HSDB , 1992).
Dodecahydrate: 3.5 parts water, 1 part boiling water (Budavari, 1989).
Sodium Tripolyphosphate: 20 g/100 mL (at 25 degrees C) in water (Budavari, 1989).
Sodium Tripolyphosphate: 86.5 g/100 mL (at 100 degrees C) in water (Budavari, 1989).
Metaphosphoric Acid, Hexasodium salt: Very soluble in cold water (HSDB , 1992).

IN ORGANIC SOLVENTS

Insoluble in alcohol (Budavari, 1989).

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Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents