Di-t-butyl(i-propyl)phosphine

Synonym:Bis-tert-butyl(isopropyl)phosphane

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Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title compound25032-49-9100%no datano data

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Section 3: Hazards Identification
Emergency Overview:Harmful by inhalation, in contact with skin and if swallowed. Irritating to skin, eyes and respiratory tract.
Primary Routes of Exposure:Ingestion, inhalation, skin, eyes
Eye Contact:Causes mild to severe irritation of the eyes.
Skin Contact:Harmful in contact with skin. Causes mild irritation or thermal burns if ignited.
Inhalation:Harmful by inhalation. Irritating to the nose, mucous membranes and respiratory tract.
Ingestion:Harmful if swallowed. May cause vomiting and diarrhea.
Acute Health Affects:Harmful 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:pyrophoric
Autoignition Temperature:no data
Explosion Limits:pyrophoric
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 phosphorus pentoxide.
Decomposion Products:
Unusual Fire or Explosion Hazards: Spontaneously flammable in air.

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SECTION 6: Accidental Release Measures
This material may ignite spontaneously in air. Burning material may release toxic fumes. In case of poor
Spill and Leak Procedures:ventilation, leave the area unless fitted with a self-contained breathing apparatus. Small spills can be mixed
with ground limestone, sodium bicarbonate or other suitable adsorbents, 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 an efficient fume hood. Fire
may occur in empty 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: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:118.29
Melting Point:no data
Boiling Point:no data
Vapor Pressure:no data
Specific Gravity:no data
Odor:stench
Solubility in Water:insoluble

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SECTION 10: Stability and Reactivity
Stability:air-sensitive, pyrophoric liquid
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:Contact with air. Material may spontaneously ignite.
Incompatibility:oxidizing agents, halogens, air, halocarbons.
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 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 liquid, 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 in the TSCA inventory
SARA (Title 313):Title compound not listed
Second Ingredient:none

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SECTION 16 - ADDITIONAL INFORMATION
N/A