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Section 1: Product Identification
   Chemical Name:       Di-i-butylphosphine, min. 97%    
   CAS Registry Number:       4006-38-6    
   Formula:       [C4H9]2PH    
   EINECS Number:       none    
   Chemical Family:       organophosphine ligand    
   Synonym:       Bis(1-methylpropyl)phosphine, Phosphine, bis(1-methylpropyl)    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title compound       4006-38-6       100%       no data       no data    

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Section 3: Hazards Identification
   Harmful by inhalation, in contact with skin and if swallowed. Material has a pungent odor. Inhalation of vapors
   Emergency Overview:
   may lead to headache and dizziness.
   Primary Routes of Exposure:       Ingestion, skin, inhalation    
   Eye Contact:       May cause mild to severe irritation of the eyes.    
   Skin Contact:       Harmful in contact with skin. May cause mild irritation of the skin, or thermal burns if ignited.    
   Harmful by inhalation. Inhalation may lead to headaches and dizziness. May be irritating to nose and mucous
   Inhalation:
   membranes.
   Ingestion:       Harmful if swallowed. May cause vomiting and diarrhea.    
   Acute Health Affects:       Harmful by inhalation, in contact with skin and if swallowed.    
   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
   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:       Pyrophoric    
   Extinguishing Medium:       carbon dioxide, dry powder or foam    
   The pyrophoric liquid may reignite. Fire fighters should be equipped with an 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:
   Unusual Fire or Explosion Hazards: Spontaneously flammable in air, especially in contact with organic matter such as paper or cloth.

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SECTION 6: Accidental Release Measures
   'The material may ignite spontaneously in air. Avoid static discharge. Burning material may release
   toxic fumes. In case of poor ventilation, leave the area unless fitted with a self-contained breathing apparatus.
   Spill and Leak Procedures:
   Small spills can be mixed with ground limestone, sodium bicarbonate, or other suitable absorbents, swept up,
   and held in a closed metal can.

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SECTION 7: Handling and Storage
   Store in a tightly sealed container under an inert atmosphere of nitrogen or argon. Keep away from heat.
   Handling and Storage:       Material should be transferred under an inert atmosphere of nitrogen or argon in a efficient fume hood. Fire    
   may occur in emptied container and transfer lines.

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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:       Material has a pungent odor. Always handle 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:       Material has a pungent odor. Always handle material in an efficient fume hood.    
   Additional Protection:       Wear a full face shield, flame resistant lab apron and suitable gloves.    

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SECTION 9: Physical and Chemical Properties
   Color and Form:       colorless liquid    
   Molecular Weight:       146.22    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       no data    
   Specific Gravity:       no data    
   Odor:       pungent, phosphine type odor    
   Solubility in Water:       insoluble    

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SECTION 10: Stability and Reactivity
   Stability:       air-sensitive liquid - pyrophoric    
   Hazardous Polymerization:       no hazardous polymerization    
   Contact with air. Material may spontaneously ignite, especially in the presence of organic matter such as
   Conditions to Avoid:
   paper or cloth.
   Incompatibility:       oxidizing agents, halogens, air (pyrophoric), halocarbons, sulfur.    
   Decomposition Products:       carbon dioxide, carbon monoxide, organic vapors, and phosphorus pentoxide.    

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SECTION 11: Toxicological Information
   No specific information available on this product. Related compounds have been known to affect the nervous
   RTECS Data:       system. Symptoms of nervous system toxicity (by oral or inhalation route) include tremors, altered reflexes,    
   loss of muscle coordination, limb weakness, and convulsions.
   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 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 on the TSCA inventory    
   SARA (Title 313):       not regulated by Title 313    
   Second Ingredient:       none    

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SECTION 16 - ADDITIONAL INFORMATION
N/A