20491-53-6

Synonym:Di-iso-propylphosphane

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Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title compound20491-53-610%no datano data
Hexane73513-42-590%50ppm1800mg/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 andIf 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