Agent Name

Triphenylphosphine

CAS Number

603-35-0

Formula

C18-H15-P

Major Category

Other Classes

Synonyms

PP 360; Phosphine, triphenyl-; Trifenylfosfin [Czech]; Triphenyl phosphine; Triphenylphosphane; Triphenylphosphide; Triphenylphosphorus; [ChemIDplus]

Category

Phosphorus Compounds

Description

Odorless solid; Triboluminescent (emits light when fractured); [Merck Index] White odorless solid; [ICSC] White crystalline solid; [MSDSonline]

Sources/Uses

Used as a polymerization initiator and an intermediate to make pharmaceuticals, phosphonium salts, and other phosphorus compounds; [HSDB]

Comments

Decomposed by heating forming phosphine and phosphorous oxides; A skin, eye, and respiratory tract irritant; [ICSC] Causes convulsions at lethal doses in animal experiments; [RTECS] A strong reducing agent; [CAMEO] Harmful if ingested; May cause skin sensitization; [Aldrich MSDS] See "Phosphine."

Exposure Assessment
MAK

5 mg/m3, inhalable fraction

Lethal Concentration

LC50 (rat) = 1,135 ppm/4h

Flammability (NFPA)

1: Must be preheated

Adverse Effects
Neurotoxin

Other CNS Neurotoxin

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.