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Section 1: Product Identification
   Chemical Name:       1,2-Bis(phosphino)benzene, 98+%    
   CAS Registry Number:       80510-04-9    
   Formula:       C6H4(PH2)2    
   EINECS Number:       none    
   Chemical Family:       organophosphine ligand    
   Synonym:       none    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       80510-04-9       100%       no data       no data    

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Section 3: Hazards Identification
   Harmful by inhalation, in contact with skin and if swallowed. May ignite spontaneously on contact with air.
   Emergency Overview:
   Contact with skin may result in severe chemical burns.
   Primary Routes of Exposure:       Skin and 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.    
   Inhalation:       Harmful by inhalation. Inhalation may lead to dizziness and headaches.    
   Harmful if swallowed. Ingestion is an unlikely mode of entry as the material is pyrophoric and has a noxious
   Ingestion:
   odor.
   Acute Health Affects:       Harmful by inhalation, in contact with skin and if swallowed.    
   Chronic Health Affects:       No information available on long term exposure to this material.    
   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 15 minutes. A victim will 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 victim to fresh air immediately. Keep the victim lying down and warm. Give oxygen as soon as
   Inhalation:
   possible. If shock occurs, respond with appropriate first aid. Transport the victim to a hospital.
   Seek medical attention immediately. Keep the victim calm. Give water to dilute the toxin (only if conscious).
   Ingestion:
   Induce 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:       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
   Always wear approved safety glasses. When handling this substance wear a face shield as added protection.
   Eye Protection:
   Skin Protection:       Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.    
   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 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 liq.    
   Molecular Weight:       142.08    
   Melting Point:       no data    
   Boiling Point:       53-55°C /0.25mm    
   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, pyrophoric liquid    
   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
   RTECS Data:       No information available in the RTECS files.    
   Carcinogenic Effects:       No information available.    
   Mutagenic Effects:       No information available.    
   Tetratogenic Effects:       No information 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 this material 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):       NA    

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SECTION 15: Regulatory Information
   TSCA:       not listed on the TSCA inventory    
   SARA (Title 313):       not regulated by SARA 313    
   Second Ingredient:       none    

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SECTION 16 - ADDITIONAL INFORMATION
N/A