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Section 1: Product Identification
   Chemical Name:       Bis(tetramethylcyclopentadienyl)chromium, min. 98%    
   CAS Registry Number:       82066-37-3    
   Formula:       [(CH3)4C5H]2Cr    
   EINECS Number:       none    
   Chemical Family:       metallocene    
   Synonym:       1,1',2,2',3,3',4,4'-Octamethylchromocene    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title compound       82066-37-3       100%       0.5mg/m3 (as Cr)       0.5mg/m3 (as Cr)    

Section 3: Hazards Identification
   May be irritating to eyes, skin and respiratory tract. Chromium (III), a possible metabolite, has acted as a
   Emergency Overview:
   tumorigen and mutagen in animal studies.
   Primary Routes of Exposure:       Ingestion, inhalation of dust.    
   Eye Contact:       May cause slight to mild irritation of the eyes    
   Skin Contact:       May cause slight to mild irritation of the skin.    
   Inhalation:       May be irritating to the nose, mucous membranes and respiratory tract.    
   Ingestion:       No information on the physiological effects of ingestion of this specific compound.    
   Acute Health Affects:       May be irritating to skin, eyes and respiratory tract.    
   It is possible that prolonged exposure could result in formation of Chromium (III) salts in the human body.
   Chronic Health Affects:       Although less toxic than Chromium (VI), some animal studies show Chromium (III) to act as a mutagen and    
   NTP:       Yes    
   IARC:       No    
   OSHA:       No    

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 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
   vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
   Flash Point:       none    
   Autoignition Temperature:       none    
   Explosion Limits:       none    
   Extinguishing Medium:       carbon dioxide, foam 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 and toxic fumes.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Flammable solid.

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

SECTION 7: Handling and Storage
   Store in a tightly sealed container. Handle and store under an inert atmosphere of nitrogen or argon.
   Handling and Storage:
   Exposure to air may result in degradation of the product.

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:       Material may form a fine dust. If possible, handle the material in an efficient fume hood.    
   If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators
   requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       Material may form a fine dust. If possible, handle the material in an efficient fume hood.    
   Additional Protection:       No additional protection required.    

SECTION 9: Physical and Chemical Properties
   Color and Form:       red xtl.    
   Molecular Weight:       294.40    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       no data    
   Specific Gravity:       no data    
   Odor:       none    
   Solubility in Water:       insoluble    

SECTION 10: Stability and Reactivity
   Stability:       air sensitive solid    
   Hazardous Polymerization:       none    
   Contact with oxygen. Keep away from heat and ignition sources including open flame and electrostatic
   Conditions to Avoid:
   Incompatibility:       strong oxidizing agents    
   Decomposition Products:       carbon dioxide, carbon monoxide, organic fumes and chromium oxide.    

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

SECTION 12: Ecological Information
   Ecological Information:       No information available    

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

SECTION 14: Transportation
   Shipping Name (CFR):       Flammable solids, Organic, N.O.S.    
   Hazard Class (CFR):       4.1    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       II    
   UN ID Number (CFR):       UN# 1325    
   Shipping Name (IATA):       Flammable solid, Organic, N.O.S.    
   Hazard Class (IATA):       4.1    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       II    
   UN ID Number (IATA):       UN# 1325    

SECTION 15: Regulatory Information
   TSCA:       not listed on the TSCA inventory    
   SARA (Title 313):       Title compound: see Category Code N090 for reporting    
   Second Ingredient:       none    


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