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Section 1: Product Identification
   Chemical Name:       t-Butylphosphine, min. 95% TBP    
   CAS Registry Number:       2501-94-2    
   Formula:       (C4H9)PH2    
   EINECS Number:       none    
   Chemical Family:       organophosphorus ligand    
   Synonym:       tert-Butylphosphane; (1,1-dimethylethyl)phosphane; 1,1-dimethylethylphosphine    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title compound       2501-94-2       100%       no data       no data    

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Section 3: Hazards Identification
   Material has an intensely pungent odor. Toxic by inhalation, in contact with skin and if swallowed. Inhalation of
   Emergency Overview:
   vapors may lead to headache and dizziness. Irritating to skin, eyes and respiratory tract.
   Primary Routes of Exposure:       Ingestion, skin, inhalation    
   Eye Contact:       Causes mild to severe irritation of the eyes.    
   Skin Contact:       Liquid may burst into flame in air causing thermal burns to skin.    
   Toxic by inhalation. Inhalation may lead to headaches and dizziness. Irritating to nose and mucous
   Inhalation:
   membranes.
   Ingestion:       Toxic if swallowed. May cause vomiting and diarrhea.    
   Acute Health Affects:       Toxic by inhalation, in contact with skin and if swallowed. Irritating to 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 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:       no data    
   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 toxic organic fumes and vapors of phosphorus pentoxide.    
   Decomposion Products:
   Material is pyrophoric. May spontaneously ignite if exposed to air, especially when in contact with organic
   Unusual Fire or Explosion Hazards:
   matter.

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SECTION 6: Accidental Release Measures
   Small spills can be mixed with vermiculite or other suitable adsorbents. Spillage in areas not adequately
   Spill and Leak Procedures:       ventilated will require an evacuation site. Material may spontaneously ignite. Avoid static electricity.    
   Emergency response teams will require self-contained breathing apparatus.

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SECTION 7: Handling and Storage
   Handling and Storage:       Material must be handled and stored under an inert atmosphere of nitrogen or argon.    

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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:       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:       No additional protection required.    

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SECTION 9: Physical and Chemical Properties
   Color and Form:       colorless liquid    
   Molecular Weight:       90.1    
   Melting Point:       no data    
   Boiling Point:       54C°    
   Vapor Pressure:       no data    
   Specific Gravity:       0.7    
   Odor:       intensely pungent odor    
   Solubility in Water:       insoluble    

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SECTION 10: Stability and Reactivity
   Stability:       air sensitive liquid    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       contact with air. Material may spontaneously ignite on exposure to oxygen.    
   Incompatibility:       oxidizing agents and halogens    
   Decomposition Products:       carbon monoxide, carbon dioxide, phosphorus oxides and 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 local, state and federal regulations.    

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SECTION 14: Transportation
   Shipping Name (CFR):       Pyrophoric liquids, Organic, N.O.S.    
   Hazard Class (CFR):       4.2    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       I    
   UN ID Number (CFR):       UN# 2845    
   Shipping Name (IATA):       Forbidden    
   Hazard Class (IATA):       NA    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       NA    
   UN ID Number (IATA):       UN# 2845    

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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