COBALT HYDROCARBONYL

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

C4HCoO4 C4-H-Co-O4 HCo(CO)4

ERG GUIDE NUMBER

153-SUBSTANCES - TOXIC AND/OR CORROSIVE (COMBUSTIBLE)

SYNONYM REFERENCE

(ACGIH, 1996aa; Hathaway et al, 1996; NIOSH , 1997; RTECS , 1997)

USES/FORMS/SOURCES

USES

Cobalt hydrocarbonyl is used in organic reactions as a catalyst (ACGIH, 1996a; Lewis, 1993).

-CLINICAL EFFECTS

GENERAL CLINICAL EFFECTS

Cobalt hydrocarbonyl is irritating to the eyes, skin, and mucous membranes.

Symptoms of exposure may include dyspnea, cough, decreased pulmonary function, and pulmonary edema.

POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death.
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 153 (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

EYE EXPOSURE - Immediately wash the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately. Contact lenses should not be worn when working with this chemical.
DERMAL EXPOSURE - Promptly wash the contaminated skin with water. If this chemical penetrates the clothing, promptly remove the clothing and wash the skin with water. If irritation persists after washing, get medical attention.
INHALATION EXPOSURE - Move the exposed person to fresh air at once. If breathing has stopped, perform mouth-to-mouth resuscitation. Keep the affected person warm and at rest. Get medical attention as soon as possible.
TARGET ORGANS - Eyes, skin, and respiratory system.
GENERAL

Move victims of inhalation exposure from the toxic environment and administer 100% humidified supplemental oxygen with assisted ventilation as required. Exposed skin and eyes should be copiously flushed with water.

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.
If bronchospasm and wheezing occur, consider treatment with inhaled sympathomimetic agents.
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).
Treat dermal irritation or burns with standard topical therapy. Patients developing dermal hypersensitivity reactions may require treatment with systemic or topical corticosteroids or antihistamines.

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 -

Because of the potential for gastrointestinal tract irritation and CNS depression, DO NOT induce emesis.
Significant esophageal or gastrointestinal tract irritation or burns may occur following ingestion. The possible benefit of early removal of some ingested material by cautious gastric lavage must be weighed against potential complications of bleeding or perforation.
PREHOSPITAL ACTIVATED CHARCOAL ADMINISTRATION

Consider prehospital administration of activated charcoal as an aqueous slurry in patients with a potentially toxic ingestion who are awake and able to protect their airway. Activated charcoal is most effective when administered within one hour of ingestion. Administration in the prehospital setting has the potential to significantly decrease the time from toxin ingestion to activated charcoal administration, although it has not been shown to affect outcome (Alaspaa et al, 2005; Thakore & Murphy, 2002; Spiller & Rogers, 2002).

In patients who are at risk for the abrupt onset of seizures or mental status depression, activated charcoal should not be administered in the prehospital setting, due to the risk of aspiration in the event of spontaneous emesis.
The addition of flavoring agents (cola drinks, chocolate milk, cherry syrup) to activated charcoal improves the palatability for children and may facilitate successful administration (Guenther Skokan et al, 2001; Dagnone et al, 2002).

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.
SEIZURES: Administer a benzodiazepine; DIAZEPAM (ADULT: 5 to 10 mg IV initially; repeat every 5 to 20 minutes as needed. CHILD: 0.1 to 0.5 mg/kg IV over 2 to 5 minutes; up to a maximum of 10 mg/dose. May repeat dose every 5 to 10 minutes as needed) or LORAZEPAM (ADULT: 2 to 4 mg IV initially; repeat every 5 to 10 minutes as needed, if seizures persist. CHILD: 0.05 to 0.1 mg/kg IV over 2 to 5 minutes, up to a maximum of 4 mg/dose; may repeat in 5 to 15 minutes as needed, if seizures continue).

Consider phenobarbital or propofol if seizures recur after diazepam 30 mg (adults) or 10 mg (children greater than 5 years).
Monitor for hypotension, dysrhythmias, respiratory depression, and need for endotracheal intubation. Evaluate for hypoglycemia, electrolyte disturbances, and hypoxia.

Observe patients with ingestion carefully for the possible development of esophageal or gastrointestinal tract irritation or burns. If signs or symptoms of esophageal irritation or burns are present, consider endoscopy to determine the extent of injury.

-RANGE OF TOXICITY

MINIMUM LETHAL EXPOSURE

GENERAL/SUMMARY

The minimum lethal human dose to this agent has not been delineated.

MAXIMUM TOLERATED EXPOSURE

GENERAL/SUMMARY

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

Carcinogenicity Ratings for CAS16842-03-8 :

ACGIH (American Conference of Governmental Industrial Hygienists, 2010): Not Listed ; Listed as: Cobalt hydrocarbonyl, as Co
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 ; Listed as: Cobalt hydrocarbonyl (as Co)
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 CAS16842-03-8 (U.S. Environmental Protection Agency, 2011):

Not Listed

TOXICITY VALUES

ACGIH, 1996a Hathaway et al, 1996; Lewis, 1996 RTECS, 1997 Sittig, 1991
- LC50- (INHALATION)MOUSE:
- LC50- (INHALATION)RAT:

CALCULATIONS

AMBIENT CONVERSIONS

CONVERSION FACTORS

Conversion factor at 68 degrees and 760 mmHg: 1 ppm = 7.15 mg/m(3) (NIOSH , 1997a)

-STANDARDS AND LABELS

WORKPLACE STANDARDS

ACGIH TLV Values for CAS16842-03-8 (American Conference of Governmental Industrial Hygienists, 2010):

Editor's Note: The listed values are recommendations or guidelines developed by ACGIH(R) to assist in the control of health hazards. They should only be used, interpreted and applied by individuals trained in industrial hygiene. Before applying these values, it is imperative to read the introduction to each section in the current TLVs(R) and BEI(R) Book and become familiar with the constraints and limitations to their use. Always consult the Documentation of the TLVs(R) and BEIs(R) before applying these recommendations and guidelines.

Adopted Value

Cobalt hydrocarbonyl, as Co

TLV:

TLV-TWA: 0.1 mg/m(3)
TLV-STEL:
TLV-Ceiling:

Notations and Endnotes:

Carcinogenicity Category: Not Listed
Codes: Not Listed
Definitions: Not Listed

TLV Basis - Critical Effect(s): Pulm edema; lung dam
Molecular Weight: 171.98

For gases and vapors, to convert the TLV from ppm to mg/m(3):

[(TLV in ppm)(gram molecular weight of substance)]/24.45

For gases and vapors, to convert the TLV from mg/m(3) to ppm:

[(TLV in mg/m(3))(24.45)]/gram molecular weight of substance

AIHA WEEL Values for CAS16842-03-8 (AIHA, 2006):

Not Listed

NIOSH REL and IDLH Values for CAS16842-03-8 (National Institute for Occupational Safety and Health, 2007):

Listed as: Cobalt hydrocarbonyl (as Co)
REL:

TWA: 0.1 mg/m(3)
STEL:
Ceiling:
Carcinogen Listing: (Not Listed) Not Listed
Skin Designation: Not Listed
Note(s):

IDLH: Not Listed

OSHA PEL Values for CAS16842-03-8 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):

Not Listed

OSHA List of Highly Hazardous Chemicals, Toxics, and Reactives for CAS16842-03-8 (U.S. Occupational Safety and Health Administration, 2010):

Not Listed

ENVIRONMENTAL STANDARDS

EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS16842-03-8 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS16842-03-8 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA RCRA Hazardous Waste Number for CAS16842-03-8 (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 CAS16842-03-8 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA SARA Title III, Community Right-to-Know for CAS16842-03-8 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):

Not Listed

DOT List of Marine Pollutants for CAS16842-03-8 (49 CFR 172.101 - App. B, 2005):

Not Listed

EPA TSCA Inventory for CAS16842-03-8 (EPA, 2005):

Not Listed

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 CAS16842-03-8 (NFPA, 2002):

Not Listed

-PERSONAL PROTECTION

SUMMARY

RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (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. fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.

Sittig (1991) and NIOSH (1997) recommend that, where the possibility of spills or splashes exist, protective clothing should be worn and where vapors may be encountered, appropriate air respirators should be used. Workers should immediately wash contaminated skin and significantly contaminated or wet clothing should be removed and replaced.

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 16842-03-8.

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 153 (ERG, 2004)
- Combustible material: may burn but does not ignite readily.
- When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards.
- Those substances designated with a "P" may polymerize explosively when heated or involved in a fire.
- Contact with metals may evolve flammable hydrogen gas.
- Containers may explode when heated.
- Runoff may pollute waterways.
- Substance may be transported in a molten form.

FLAMMABILITY CLASSIFICATION

NFPA Flammability Rating for CAS16842-03-8 (NFPA, 2002):

Not Listed

FIRE CONTROL/EXTINGUISHING AGENTS

SMALL FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)

Dry chemical, CO2 or water spray.

LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)

Dry chemical, CO2, alcohol-resistant foam or water spray.
Move containers from fire area if you can do it without risk.
Dike fire control water for later disposal; do not scatter the material.

TANK OR CAR/TRAILER LOAD FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (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.

NFPA Extinguishing Methods for CAS16842-03-8 (NFPA, 2002):

Not Listed

DUST/VAPOR HAZARD

This compound rapidly decomposes at room temperature to form dicobalt octacarbonyl (C8O8Co2) and hydrogen (ACGIH, 1996a).

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.

SPILL - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (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 153 (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 153 (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.
Ventilate enclosed areas.

AIHA ERPG Values for CAS16842-03-8 (AIHA, 2006):

Listed as Cobalt hydrocarbonyl
ERPG-1 (units = ppm): Insufficient data
ERPG-2 (units = ppm): 0.13
ERPG-3 (units = ppm): 0.42
Under Ballot, Review, or Consideration: No
Definitions:

ERPG-1: The ERPG-1 is the maximum airborne concentration below which it is believed nearly all individuals could be exposed for up to one hour without experiencing more than mild, transient adverse health effects or perceiving a clearly defined objectionable odor.
ERPG-2: The ERPG-2 is the maximum airborne concentration below which it is believed nearly all individuals could be exposed for up to one hour without experiencing or developing irreversible or other serious health effects or symptoms that could impair an individual's ability to take protective action.
ERPG-3: The ERPG-3 is the maximum airborne concentration below which it is believed nearly all individuals could be exposed for up to one hour without experiencing or developing life-threatening health effects.

DOE TEEL Values for CAS16842-03-8 (U.S. Department of Energy, Office of Emergency Management, 2010):

Listed as Cobalt hydrocarbonyl
TEEL-0 (units = mg/m3): 0.2923
TEEL-1 (units = mg/m3): 0.292
TEEL-2 (units = mg/m3): 0.9
TEEL-3 (units = mg/m3): 3
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 CAS16842-03-8 (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 CAS16842-03-8 (National Institute for Occupational Safety and Health, 2007):

Not Listed

CONTAINMENT/WASTE TREATMENT OPTIONS

SUMMARY

SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (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.
- 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 153 (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. fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.

-ENVIRONMENTAL HAZARD MANAGEMENT

POLLUTION HAZARD

The potential for exposure exists for those involved in the manufacture and use of cobalt hydrocaronyl (Sittig, 1991).

ABIOTIC DEGRADATION

No information found at the time of this review.

ENVIRONMENTAL TOXICITY

No information found at the time of this review.

-PHYSICAL/CHEMICAL PROPERTIES

MOLECULAR WEIGHT

171.98

DESCRIPTION/PHYSICAL STATE

Cobalt hydrocarbonyl exists as a light-yellow, flammable, toxic liquid or gas which decomposes rapidly at room temperature to dicobalt octacarbonyl (C8O8Co2) and hydrogen (ACGIH, 1996a; Lewis, 1996; Sittig, 1991). It is unstable, but is distillable in a current of CO (Lewis, 1996). It has an offensive odor (ACGIH, 1996a) Hathaway et al, 1996; (Lewis, 1993).

VAPOR PRESSURE

>1 atm (NIOSH , 1997a)

FREEZING/MELTING POINT

FREEZING POINT

-15 degrees F (NIOSH , 1997a)

MELTING POINT

-33 degrees C (Lewis, 1996)
-26 degrees C (ACGIH, 1996a; Lewis, 1993; Sittig, 1991)
-26.2 degrees C (Clayton & Clayton, 1994)

BOILING POINT

10 degrees C (Lewis, 1996)

20 degrees C (Clayton & Clayton, 1994)

SOLUBILITY

IN WATER

0.5 g/L (ACGIH, 1996a; Lewis, 1996)

IN ORGANIC SOLVENTS

SOLUBILITY IN SOLVENTS Cobalt hydrocarbonyl is soluble in organic solvents (ACGIH, 1996a; Lewis, 1996; Lewis, 1993).

-REFERENCES

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COBALT HYDROCARBONYL

Classification | Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents