Section 1: Product Identification
Chemical Name: Tri-n-propylphosphine oxide, min. 98%
CAS Registry Number: 1496-94-2
Formula: (n-C3H7)3PO
EINECS Number: none
Chemical Family: organophosphorus compound
Synonym: Tri-n-propylphosphine oxide
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 1496-94-2 100% no data no data
Section 3: Hazards Identification
Harmful in contact with skin and if swallowed. The material is irritating to skin, eyes, and mucous membranes.
Emergency Overview:
Primary Routes of Exposure: Ingestion, eyes, inhalation
Eye Contact: Causes moderate irritation of the eyes
Skin Contact: Causes moderate irritation of the skin. Harmful in contact with skin.
Inhalation: The dust is irritating to the nose, mucous membranes and respiratory tract.
Ingestion: Harmful if swallowed. May cause vomiting and diarrhea.
Acute Health Affects: Harmful in contact with skin and if swallowed. Irritating to skin, eyes and respiratory tract.
Chronic Health Affects: No information available on long-term chronic effects.
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: not applicable
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: carbon dioxide, dry powder or foam
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion and In a fire may emit toxic organic fumes, carbon monoxide, carbon dioxide, and phosphorous pentoxide.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.
SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Small spills can be mixed with vermiculite or sodium carbonate and swept up.
SECTION 7: Handling and Storage
Handling and Storage: Store in a tightly sealed container. Keep away from heat and direct sunlight.
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 with glove manufacturer to determine the proper type of glove.
Ventilation: Material may form a fine dust. If possible, 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: Material may form a fine dust. If possible, handle the material in an efficient fume hood.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: white xtl.
Molecular Weight: 176.24
Melting Point: 39°
Boiling Point: 280-282°C
Vapor Pressure: no data
Specific Gravity: no data
Odor: sweetish odor
Solubility in Water: slightly soluble
SECTION 10: Stability and Reactivity
Stability: moisture sensitive
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: contact with strong oxidizing agents
Incompatibility: oxidizing agents and halogens
Decomposition Products: carbon dioxide, carbon monoxide, organic fumes, and phosphorus oxides.
SECTION 11: Toxicological Information
Administration onto the skin (rabbit); Standard Draize test: 10 uL/24H. Adminstration into the eye (rabbit);
RTECS Data: Standard Draize test: 5 uL. Oral (rat); LD50: 1410 mg/kg. Oral (mouse) LD50: 1360 mg/kg. Administration onto
the skin (rabbit); LD50: 1130 mg/kg. Oral (rat); TDLo: 9300 mg/kg/30D-I.
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 federal, state, and local regulations.
SECTION 14: Transportation
Shipping Name (CFR): Non-hazardous
Hazard Class (CFR): NA
Additional Hazard Class (CFR): NA
Packaging Group (CFR): NA
UN ID Number (CFR): NA
Shipping Name (IATA): Non-hazardous
Hazard Class (IATA): NA
Additional Hazard Class (IATA): NA
Packaging Group (IATA): NA
UN ID Number (IATA): NA
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
