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Section 1: Product Identification
   Chemical Name:       Di-i-propylphosphine, 98% (10 wt% in hexanes)    
   CAS Registry Number:       20491-53-6    
   Formula:       (C3H7)2PH    
   EINECS Number:       none    
   Chemical Family:       organophosphine ligand    
   Synonym:       Di-iso-propylphosphane    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title compound       20491-53-6       10%       no data       no data    
   Hexane       73513-42-5       90%       50ppm       1800mg/m3    

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Section 3: Hazards Identification
   Harmful by inhalation, in contact with skin and if swallowed. Inhalation of vapors may depress central nervous
   Emergency Overview:
   system. Possible risk of harm to the unborn child and impaired fertility.
   Primary Routes of Exposure:       Ingestion, inhalation, skin, eyes    
   Eye Contact:       Contact will cause irritation, redness and a burning sensation.    
   Skin Contact:       Causes irritation of the skin. Repeated contact causes defatting of the skin.    
   Harmful by inhalation. Inhalation of vapors may depress the central nervous system causing dizziness, and
   Inhalation:
   irritation to the lungs.
   Ingestion:       Harmful if swallowed. May cause gastrointestinal irritation, nausea, vomiting and headache.    
   Harmful by inhalation, in contact with skin and if swallowed. Ingestion may cause nausea and vomiting.
   Acute Health Affects:
   Inhalation may cause headache and dizziness. Irritating to skin, eyes and respiratory tract.
   Chronic Health Affects:       Prolonged exposure to high vapor concentrations may cause nerve damage and sensory loss.    
   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:       -14.8°F (hexane)    
   Autoignition Temperature:       no data    
   Explosion Limits:       LEL (1.7%) UEL (7.7%)    
   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 phosphorus pentoxide.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Highly flammable.

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SECTION 6: Accidental Release Measures
   If spilled, all personnel must be immediately evacuated and the area sealed off. The material may self-ignite
   Spill and Leak Procedures:       releasing toxic and corrosive fumes of phosphorus pentoxide. Ventilation should be available. If entry into the    
   area is required, personnel should be fitted with self-contained breathing apparatus.

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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 an efficient fume hood.

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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 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:       No additional protection required.    

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SECTION 9: Physical and Chemical Properties
   Color and Form:       colorless liq.    
   Molecular Weight:       118.62    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       no data    
   Specific Gravity:       no data    
   Odor:       pungent and noxious odor    
   Solubility in Water:       insoluble    

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SECTION 10: Stability and Reactivity
   Stability:       air sensitive    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       contact with air    
   Incompatibility:       oxidizing agents, alkyl halides, and halogens    
   Decomposition Products:       carbon monoxide, carbon dioxide, phosphorus oxides and organic fumes.    

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SECTION 11: Toxicological Information
   No information available on title compound. For hexane--Standard Draize Test(rabbit); 10mg(mild).
   Inhalation(human); TCLo: 190ppm/8W. Oral(rat); ld50: 28710mg/kg. Inhalation(rat); LC50: 48000ppm/4H.
   RTECS Data:       Intraperitoneal(rat); LDLo: 9100mg/kg. Intravenous(mouse); LDLo: 831mg/kg. Inhalation(rat); TCLo:    
   2000ppm/12H/24W-I. TDLo: 38g/kg oral(mouse) fetotoxicity: TCLo: 10,000ppm/7H. Inhalation(rat)
   reproductive, behavioral, newborn; TCLo: 1000ppm/6H. Inhalation(rat) reproductive, newborn, wt. loss; TCLo:
   5000ppm/20H.
   Carcinogenic Effects:       Hexane: Insufficient data    
   Mutagenic Effects:       Hexane: Possible mutagen    
   Tetratogenic Effects:       Hexane: Possible reproductive effector    

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SECTION 12: Ecological Information
   Ecological Information:       Toxic to aquatic organisms. May cause long-term adverse effects in the aquatic environment.    

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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):       Flammable liquid, N.O.S.    
   Hazard Class (CFR):       3    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       I    
   UN ID Number (CFR):       UN# 1993    
   Shipping Name (IATA):       Flammable liquid, N.O.S.    
   Hazard Class (IATA):       3    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       I    
   UN ID Number (IATA):       UN# 1993    

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SECTION 15: Regulatory Information
   TSCA:       Not listed in the TSCA inventory    
   SARA (Title 313):       Title compound not listed. Hexane: reportable under SARA 313.    
   Second Ingredient:       Listed in the TSCA inventory.    

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SECTION 16 - ADDITIONAL INFORMATION
N/A