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Section 1: Product Identification
   Chemical Name:       Trimethylindium, elec. gr. (99.999%-In) PURATREM **S STEEL CYL EXTRA** **Can be ampouled**    
   CAS Registry Number:       3385-78-2    
   Formula:       (CH3)3In    
   EINECS Number:       222-200-9    
   Chemical Family:       metal alkyl    
   Synonym:       Indium, trimethyl    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       3385-78-2       100%       0.1mg/m3 (as In)       no data    

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Section 3: Hazards Identification
   Pyrophoric material. Ignites spontaneously on contact with air causing thermal burns. Burning solid/liquid
   Emergency Overview:
   clings to clothing and skin.
   Primary Routes of Exposure:       Inhalation, skin, eyes    
   Eye Contact:       Dust causes severe thermal burns to eyes. Irritating fumes.    
   Skin Contact:       Solid ignites. Hard to extinguish burning gel on the skin and clothing.    
   White fumes from burning solid irritating to the tissues of the nose, mucous membranes, and respiratory tract.
   Inhalation:
   Ingestion:       Ingestion of burning solid is unlikely.    
   Solid is pyrophoric and bursts into flames causing severe thermal burns. Dense white smoke is irritating to
   Acute Health Affects:
   skin, eyes and respiratory tract.
   Chronic Health Affects:       No information 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 immediately with water. Remove contaminated clothing if necessary. Seek medical
   Skin Exposure:
   assistance if 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:       -1°F    
   Autoignition Temperature:       pyrophoric    
   Explosion Limits:       no data    
   Extinguishing Medium:       carbon dioxide, dry powder or foam    
   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 indium oxide.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Pyrophoric material. Material will ignite spontaneously in contact with air.

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SECTION 6: Accidental Release Measures
   The material will ignite spontaneously in air. Burning material may release toxic fumes. Leave the area unless
   Spill and Leak Procedures:
   fitted with a self-contained breathing apparatus. Smother fire with dry powder. Do not use water.

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SECTION 7: Handling and Storage
   Store cold. Handle and store the material under an inert atmosphere of nitrogen or argon. Prepare for the
   Handling and Storage:
   possibility of fire in transfer lines and containers after use. 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. Consult with glove manufacturer to determine the proper type of glove.    
   Ventilation:       Handle the material 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 with 29 CFR 1910.134.
   Ventilation:       Handle the material in an efficient fume hood.    
   Additional Protection:       Wear a full face shield, lab apron and suitable gloves.    

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SECTION 9: Physical and Chemical Properties
   Color and Form:       white xtl.    
   Molecular Weight:       159.92    
   Melting Point:       88°    
   Boiling Point:       136°C    
   Vapor Pressure:       no data    
   Specific Gravity:       1.568    
   Odor:       none    
   Solubility in Water:       reacts vigorously with water    

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SECTION 10: Stability and Reactivity
   Stability:       heat sensitive, moisture sensitive, pyrophoric    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       contact with air    
   Incompatibility:       oxygen, halogens, oxidizing agents and water    
   Decomposition Products:       carbon dioxide, carbon monoxide, indium oxide, organic fumes.    

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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 federal, state, and local regulations.    

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SECTION 14: Transportation
   Shipping Name (CFR):       Organometallic substance, Solid,Pyrophoric,Water-reactive    
   Hazard Class (CFR):       4.2    
   Additional Hazard Class (CFR):       4.3    
   Packaging Group (CFR):       I    
   UN ID Number (CFR):       UN# 3393    
   Shipping Name (IATA):       Forbidden    
   Hazard Class (IATA):       NA    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       NA    
   UN ID Number (IATA):       UN# 3393    

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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