Synonym:tert-Butylphosphane; (1,1-dimethylethyl)phosphane; 1,1-dimethylethylphosphine

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Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title compound2501-94-2100%no datano 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 andIf 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