12070-14-3 (碳化锆,Zirconium carbide)

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Section 1: Product Identification
   Chemical Name:       Zirconium carbide (99+%-Zr)    
   CAS Registry Number:       12070-14-3    
   Formula:       ZrC    
   EINECS Number:       235-125-1    
   Chemical Family:       metal carbides    
   Synonym:       none    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title compound       12070-14-3       100%       5mg/m3 (as Zr)       5mg/m3 (as Zr)    

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Section 3: Hazards Identification
   Emergency Overview:       May be irritating to skin, eyes and mucous membranes.    
   Primary Routes of Exposure:       Ingestion    
   Eye Contact:       May cause mild to moderate irritation of the eyes.    
   Skin Contact:       May cause slight to mild irritation of the skin.    
   Inhalation:       Dust may be irritating to the nose, mucous membranes and respiratory tract.    
   Ingestion:       No information is available on the physiological effects of ingestion.    
   Acute Health Affects:       May be irritating to skin, eyes and respiratory tract.    
   Chronic Health Affects:       No information available on long-term chronic effects.    
   NTP:       No    
   IARC:       No    
   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 in
   Inhalation:
   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:       no data    
   Autoignition Temperature:       no data    
   Explosion Limits:       no data    
   Extinguishing Medium:       carbon dioxide, foam or dry powder    
   If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure
   Special Fire Fighting Procedures:
   self-contained breathing apparatus.
   Hazardous Combustion and       If involved in a fire this material may release toxic and corrosive fumes.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Flammable. No unusual fire or explosion hazards.

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SECTION 6: Accidental Release Measures
   Spill and Leak Procedures:       Sweep up the solids and dispose of properly.    

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SECTION 7: Handling and Storage
   Handling and Storage:       Store the material in a sealed container. Keep away from heat.    

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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 protective clothing and gloves.    
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   If ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory
   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:       3 micron black powder    
   Molecular Weight:       103.23    
   Melting Point:       3540°    
   Boiling Point:       5100°C    
   Vapor Pressure:       no data    
   Specific Gravity:       6.73    
   Odor:       none    
   Solubility in Water:       insoluble    

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SECTION 10: Stability and Reactivity
   Stability:       air and moisture stable    
   Hazardous Polymerization:       No hazardous polymerization.    
   Conditions to Avoid:       none    
   Incompatibility:       oxidizing agents and halogens    
   Decomposition Products:       carbon monoxide, carbon dioxide and zirconium oxide.    

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SECTION 11: Toxicological Information
   RTECS Data:       No information available in the RTECS files.    
   Carcinogenic Effects:       no data    
   Mutagenic Effects:       no data    
   Tetratogenic Effects:       no data    

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SECTION 12: Ecological Information
   Ecological Information:       No information available    

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

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

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SECTION 15: Regulatory Information
   TSCA:       Listed in the TSCA inventory.    
   SARA (Title 313):       Title compound not listed    
   Second Ingredient:       none    

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SECTION 16 - ADDITIONAL INFORMATION
N/A