Synonym:Dodecacarbonyl tetracobalt

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Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound17786-31-1100%0.02mg/m3no data

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Section 3: Hazards Identification
Vapor may be harmful. Inhalation may lead to headaches and dizziness. Limited evidence of a carcinogenic
Emergency Overview:
effect.
Primary Routes of Exposure:Ingestion, inhalation
Eye Contact:May cause mild irritation to the eyes.
Skin Contact:May cause mild irritation to the skin.
Inhalation:Inhalation could lead to dizziness and headache.
Ingestion:No information available on the effects from ingestion.
Acute Health Affects:Inhalation could lead to headache and dizziness.
Chronic Health Affects:Cobalt is a suspected carcinogen of the lungs and connective tissue.
NTP:No
IARC:Yes
OSHA:No

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SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 15 minutes. A victim will need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area immediately with water. Remove contaminated clothing if necessary. Seek medical
Skin Exposure:
assistance if irritation persists.
Remove victim to fresh air immediately. Keep the victim lying down and warm. Give oxygen as soon as
Inhalation:
possible. If shock occurs, respond with appropriate first aid. Transport the victim to a hospital.
Seek medical attention immediately. Keep the victim calm. Give water to dilute the toxin (only if conscious).
Ingestion:
Induce vomiting only if directed by medical personnel.

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SECTION 5: Fire Fighting Measures
Flash Point:not applicable
Autoignition Temperature:no data
Explosion Limits:no data
Extinguishing Medium:carbon dioxide, dry chemical or foam
If involved in a fire, fire fighters should be equipped with a NIOSH-approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus.
Hazardous Combustion andcarbon monoxide, carbon dioxide, and cobalt oxide dust.
Decomposion Products:
Unusual Fire or Explosion Hazards: Flammable solid. No unusual fire or explosion hazards.

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SECTION 6: Accidental Release Measures
Spill and Leak Procedures:Small quantities can be mixed with sodium carbonate or vermiculite and swept up.

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SECTION 7: Handling and Storage
Handling and Storage:Store in a cool, dry, well-ventilated area away from heat and direct sunlight. Keep containers tightly sealed.

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SECTION 8: Exposure Controls and Personal Protection
Eye Protection:Always wear approved safety glasses when handling chemical substances.
Skin Protection:Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.
Ventilation:This product should be handled in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
Respirator:
Protection Program to be in compliance 29 CFR 1910.134.
Ventilation:This product should be handled in an efficient fume hood.
Additional Protection:No additional protection required.

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SECTION 9: Physical and Chemical Properties
Color and Form:black xtl.
Molecular Weight:571.85
Melting Point:60° dec.
Boiling Point:no data
Vapor Pressure:no data
Specific Gravity:2.09
Odor:none
Solubility in Water:Insoluble

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SECTION 10: Stability and Reactivity
Stability:air sensitive, (store cold)
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:prolonged exposure to air.
Incompatibility:Oxidizing agents and halogens
Decomposition Products:carbon dioxide, carbon monoxide, cobalt oxide

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SECTION 11: Toxicological Information
RTECS Data:No specific information available on this product.
Carcinogenic Effects:No data available
Mutagenic Effects:No data available
Tetratogenic Effects:No data available

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SECTION 12: Ecological Information
Ecological Information:No information available.

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SECTION 13: Disposal Considerations
Disposal:Dispose of this material according to local, state and federal regulations.

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SECTION 14: Transportation
Shipping Name (CFR):Flammable solids, inorganic, N.O.S.
Hazard Class (CFR):4.1
Additional Hazard Class (CFR):NA
Packaging Group (CFR):II
UN ID Number (CFR):UN# 3178
Shipping Name (IATA):Flammable solid, inorganic, N.O.S.
Hazard Class (IATA):4.1
Additional Hazard Class (IATA):NA
Packaging Group (IATA):II
UN ID Number (IATA):UN# 3178

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SECTION 15: Regulatory Information
TSCA:Not listed in the TSCA inventory.
SARA (Title 313):Title compound: See Category Code N096 for reporting.
Second Ingredient:none

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SECTION 16 - ADDITIONAL INFORMATION
N/A