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Section 1: Product Identification
   Chemical Name:       Rhenium pentacarbonyl chloride, 98%    
   CAS Registry Number:       14099-01-5    
   Formula:       Re(CO)5Cl    
   EINECS Number:       237-948-1    
   Chemical Family:       metal carbonyl complexes    
   Synonym:       none    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       14099-01-5       100%       no data       no data    

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Section 3: Hazards Identification
   Emergency Overview:       Irritating to skin, eyes and respiratory tract.    
   Primary Routes of Exposure:       Inhalation    
   Eye Contact:       May cause mild irritation to the eyes.    
   Skin Contact:       Causes mild irritation to the skin.    
   Inhalation:       Irritating to the nose mucous membranes and respiratory tract.    
   Ingestion:       No specific information is available on the physiological effects of ingestion. May be harmful if swallowed.    
   Acute Health Affects:       Irritating to skin, eyes and respiratory tract. Inhalation could lead to headache and dizziness.    
   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 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 and       carbon monoxide, carbon dioxide, and rhenium oxide dust.    
   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 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:       off-white xtl.    
   Molecular Weight:       361.71    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       no data    
   Specific Gravity:       no data    
   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, halogens and active metals    
   Decomposition Products:       carbon dioxide, carbon monoxide, organic fumes, hydrogen chloride, and rhenium oxide.    

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SECTION 11: Toxicological Information
   RTECS Data:       No information available in the RTECS files.    
   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):       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:       Not 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