Agent Name

Triphenylborane

CAS Number

960-71-4

Formula

C18-H15-B

Major Category

Metals

Synonyms

Borane, triphenyl-; Borine, triphenyl (6CI); Triphenylborine; Triphenylboron; [ChemIDplus] TBP; [Reference #1] UN1325

Category

Metalloid Compounds (Boron)

Description

White crystalline solid; [Reference #1] Off-white odorless crystals; [Alfa Aesar MSDS]

Sources/Uses

A monofunctional Lewis acid; Not currently commercially marketed; Possible applications include olefin polymerization, agrochemicals, metal scavenging, and consumer products (i.e. fuel additives and flame retardants); [Reference #1]

Comments

Rapidly hydrolyzes; Shipped as the sodium hydroxide adduct in aqueous solution; Corrosive to skin and severely irritating to eyes in rabbits; Not a skin sensitizer in guinea pigs; [Reference #1] Reproductive toxicity observed in oral study of rats at 10 mg/kg/day; One female failed to conceive, 5 of 9 mated females delivered, and the mean number of pups per litter was significantly reduced; Initial histopathology revealed adverse effects to semen; [ToxPlanet: EPA - TSCATS] Decomposed by water; A severe eye irritant that may cause eye injury; [Alfa Aesar MSDS] See "Tri-n-butylborane."

Reference Link

EPA ChAMP: Screening Level Hazard Characterization: Triphenylboron Category - 2009

Exposure Assessment
Vapor Pressure

1.19E-5 mm Hg

Lethal Concentration

LC50 (rat) = 73 mg/m3/4hr

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Flammable solid, organic, n.o.s."

Adverse Effects
Reproductive Toxin

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
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.