1317-42-6 (硫化钴,Cobalt(II) sulfide)

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Section 1: Product Identification
   Chemical Name:       Cobalt (II) sulfide (99.5%-Co)    
   CAS Registry Number:       1317-42-6    
   Formula:       CoS    
   EINECS Number:       215-273-3    
   Chemical Family:       metal chalcogenides    
   Synonym:       Cobalt monosulfide, Cobaltous sulfide    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       1317-42-6       100%       0.02mg/m3 (as Co)       no data    

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Section 3: Hazards Identification
   Irritating to eyes, skin and respiratory tract. May cause sensitization by skin contact. Limited evidence of a
   Emergency Overview:
   carcinogenic effect. Possible risk of irreversible effects.
   Primary Routes of Exposure:       Ingestion, inhalation, skin and eyes    
   Eye Contact:       Causes mild to moderate irritation of the eyes.    
   Skin Contact:       Causes slight irritation of the skin. may cause sensitization by skin contact.    
   Inhalation:       Irritating to the nose, mucous membranes and respiratory tract.Hydrogen sulfide gas, if formed, is poisonous.    
   May cause abdominal pain, nausea, vomiting, flushing of the face and ears, mild hypotension, rash and
   Ingestion:
   ringing in the ears.
   Irritating to eyes, skin and respiratory tract. Hydrogen sulfide gas may cause painful conjunctivitis, headache,
   Acute Health Affects:
   nausea, dizziness, pulmonary edema and possible death.
   Repeated oral administration may produce goiter and reduced thyroid activity. Prolonged or repeated skin
   Chronic Health Affects:       exposure may cause dermatitis. Chronic exposure associated with kidney, heart and lung damage. Limited    
   evidence of a carcinogenic effect. Possible risk of irreversible effects.
   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 10-15 minutes. A victim may need
   Eye Exposure:
   assistance in keeping their eye lids open. Get immediate medical attention.
   Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
   Skin Exposure:
   irritation persists.
   Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
   Inhalation:
   in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
   Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
   Ingestion:
   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 or dry powder    
   If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
   Special Fire Fighting Procedures:
   self- contained breathing apparatus and full protective clothing.
   Hazardous Combustion and       If involved in a fire this material may emit irritating fumes of hydrogen sulfide and sulfur dioxide.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

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

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SECTION 7: Handling and Storage
   Store in a tightly sealed container. Exposure to the atmosphere may lead to release of toxic hydrogen sulfide
   Handling and Storage:
   gas. Empty containers may retain product residues that evolve toxic gases.

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SECTION 8: Exposure Controls and Personal Protection
   Eye Protection:       Always wear approved safety glasses when handling a chemical substance in the laboratory.    
   Skin Protection:       Wear appropriate chemical resistant gloves and protective clothing.    
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   If ventilation is not available a respirator should be worn. The use of a respirators requires a Respirator
   Respirator:
   Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   Additional Protection:       No additional protection required.    

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SECTION 9: Physical and Chemical Properties
   Color and Form:       -200 mesh black pwdr.    
   Molecular Weight:       91    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       no data    
   Specific Gravity:       5.45    
   Odor:       none    
   Solubility in Water:       Insoluble    

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SECTION 10: Stability and Reactivity
   Stability:       moisture sensitive    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       Reaction with mineral acids can lead to formation of toxic fumes of hydrogen sulfide.    
   Incompatibility:       Mineral acids, active metals and oxidizing agents    
   Decomposition Products:       hydrogen sulfide, sulfur dioxide, and metal oxides.    

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SECTION 11: Toxicological Information
   Oral (rat); LD50: >5 gm/kg. Intramuscular (rat); TDLo: 180 mg/kg. Hamster embryo; Morphological
   RTECS Data:       transfusion: 1 mg/L. Hamster ovary; DNA damage: 10 mg/L. Hamster lung; Mutation in mammalian somatic    
   cells: 25 mg/m3.
   Carcinogenic Effects:       Possible carcinogen (as Co)    
   Mutagenic Effects:       Possible mutagen    
   Tetratogenic Effects:       no data    

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SECTION 12: Ecological Information
   Ecological Information:       Harmful to aquatic organisms. May cause long-term adverse effects in the aquatic environment.    

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SECTION 13: Disposal Considerations
   This material and its container must be disposed of as hazardous waste according to local, state and federal
   Disposal:
   regulations.

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SECTION 14: Transportation
   Shipping Name (CFR):       Non-hazardous    
   Hazard Class (CFR):       NA    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       NA    
   UN ID Number (CFR):       NA    
   Shipping Name (IATA):       Non-hazardous    
   Hazard Class (IATA):       NA    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       NA    
   UN ID Number (IATA):       NA    

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SECTION 15: Regulatory Information
   TSCA:       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