CAS Number: 4731-53-7
Product Catalog

15-6655

Nanomaterials › Tri-n-octylphosphine, min. 97% TOP

CAS Number:	4731-53-7
MDL Number:	MFCD00015298
Molecular Formula:	C24H51P
Molecular Weight:	370.60
Chemical Formula:	(C8H17)3P
Color and Form:	colorless to pale yellow liq.
Note:	Surfactant for nanomaterial synthesis.

Stability: air sensitive

Safety: Hazardous

Physical Characteristics: boiling point 175°C/0.3mm, flash point 280°F, density 0.83

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SECTION 1: Product Identification
Chemical Name:	Tri-n-octylphosphine, min. 97% TOP
Product Number:	15-6655
CAS Registry Number:	4731-53-7
Formula:	(C8H17)3P
EINECS Number:	225-234-2
Chemical Family:	organophosphorus ligand
Synonym:	Trioctylphosphine

SECTION 2: Composition and Information on Ingredients
Ingredient	CAS Number	Percent	ACGIH (TWA)	OSHA (PEL)
Title Compound	4731-53-7	100	no data	no data

SECTION 3: Hazards Identification
Emergency Overview:	Corrosive to skin, eyes and respiratory tract. May be harmful if swallowed.
Primary Routes of Exposure:	Ingestion, skin, inhalation, eyes
Eye Contact:	Corrosive to the eyes.
Skin Contact:	Causes burns to the skin.
Inhalation:	Fumes are corrosive to nose, mucous membranes and respiratory tract.
Ingestion:	No information available on the physiological effects of ingestion. May be harmful if swallowed.
Acute Health Effects:	Corrosive to skin, eyes and respiratory tract.
Chronic Health Effects:	No information available on long-term chronic effects.
NTP:	No
IARC:	No
OSHA:	No

SECTION 4: First Aid Measures
Eye Exposure:	Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention.
Skin Exposure:	Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists.
Inhalation:	Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Ingestion:	Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
Flash Point:	280°F
Autoignition Temperature:	none
Explosion Limits:	none
Extinguishing Medium:	carbon dioxide, foam or dry powder
Special Fire Fighting Procedures:	If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self- contained breathing apparatus and full protective clothing.
Hazardous Combustion and Decomposion Products:	If involved in a fire this material may emit toxic fumes, and corrosive phosphorous pentoxide.
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, sodium carbonate or other suitable non combustible adsorbent and swept up.

SECTION 7: Handling and Storage
Handling and Storage:	Store in a cool, dry place in a tightly sealed container under an inert atmosphere of nitrogen or argon.

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.
Respirator:	If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Additional Protection:	No additional protection required.

SECTION 9: Physical and Chemical Properties
Color and Form:	colorless to pale yellow liq.
Molecular Weight:	370.6
Melting Point:	30°C
Boiling Point:	175°C/0.3mm
Vapor Pressure:	no data
Specific Gravity:	0.83
Odor:	none
Solubility in Water:	insoluble

SECTION 10: Stability and Reactivity
Stability:	air sensitive
Hazardous Polymerization:	no hazardous polymerization
Conditions to Avoid:	exposure to air
Incompatibility:	strong oxidizing agents
Decomposition Products:	carbon dioxide, carbon monoxide, phosphorus pentoxide, and organic fumes.

SECTION 11: Toxicological Information
RTECS Data:	Inhalation (mouse); LC: >1600mg/m3/10M (toxic effects not reported).
Carcinogenic Effects:	No data
Mutagenic Effects:	No data
Tetratogenic Effects:	No data

SECTION 12: Ecological Information
Ecological Information:	Avoid release to the environment. Very toxic to aquatic organisms. May cause long-term adverse effects in the aquatic environment.

SECTION 13: Disposal Considerations
Disposal:	Dispose of according to local, state and federal regulations.

SECTION 14: Transportation
Shipping Name (CFR):	Corrosive liquids, N.O.S.
Hazard Class (CFR):	8
Additional Hazard Class (CFR):	NA
Packaging Group (CFR):	III
UN ID Number (CFR):	UN# 1760
Shipping Name (IATA):	Corrosive liquids, N.O.S.
Hazard Class (IATA):	8
Additional Hazard Class (IATA):	NA
Packaging Group (IATA):	III
UN ID Number (IATA):	UN# 1760

SECTION 15: Regulatory Information
TSCA:	Listed in the TSCA inventory.
SARA (Title 313):	Title compound not listed.
Second Ingredient:	None
Third Ingredient:	None

SECTION 16: Other Information
Disclaimer:	The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information.
Preparation Date:	5/13/2002
Revision Date:	2/23/2012