Section 1: Product Identification
Chemical Name: 2,4,4-Trimethylpentylphosphine, 99% (8% isomers)
CAS Registry Number: 82164-75-8
Formula: CH3C(CH3)2CH2CH(CH3)CH2PH2
EINECS Number: none
Chemical Family: organophosphorus ligand
Synonym: None
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 82164-75-8 92% no data no data
other isomers not available 8% no data no data
Section 3: Hazards Identification
Irritating to skin, eyes and respiratory tract. Material has a pungent odor. Inhalation of vapors may lead to
Emergency Overview:
headache and dizziness.
Primary Routes of Exposure: Ingestion, skin, inhalation
Eye Contact: Causes mild to severe irritation of the eyes.
Skin Contact: Irritant. Causes mild irritation of the skin, or thermal burns if ignited.
The material has a pungent odor. Inhalation may lead to headaches and dizziness. Irritating to nose and
Inhalation:
mucous membranes.
Ingestion: May be harmful if swallowed. May cause vomiting and diarrhea.
Acute Health Affects: Irritating to skin, eyes and respiratory tract.
Chronic Health Affects: Overexposure to high concentrations of vapors may lead to systemic abnormalities in the kidneys and lungs.
NTP: No
IARC: No
OSHA: No
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.
SECTION 5: Fire Fighting Measures
Flash Point: 1°F
Autoignition Temperature: 334°F
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.
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.
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.
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: 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 with 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.
SECTION 9: Physical and Chemical Properties
Color and Form: colorless liq.
Molecular Weight: 146.21
Melting Point: no data
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: no data
Odor: phosphine odor
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air-sensitive liquid - pyrophoric
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.
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
SECTION 12: Ecological Information
Ecological Information: No information available
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
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
SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory.
SARA (Title 313): Title compound not listed.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
