Agent Name

Boron tribromide

CAS Number

10294-33-4

Formula

B-Br3

Major Category

Toxic Gases & Vapors

Synonyms

Borane, tribromo-; Boron bromide; Boron bromide (BBr3); Tribromoborane; Tribromoboron; Trona; [ChemIDplus] UN2692

Category

Other Toxic Gases & Vapors

Description

Colorless, fuming liquid with a sharp, irritating odor; [NIOSH]

Sources/Uses

Used as a catalyst, e.g., polymerization of olefins and production of diborane; Also used in semiconductors (bromine source and plasma etching); [ACGIH]

Comments

Liquid will burn skin; [CHRIS] Toxic effects are similar to those of hydrogen bromide (which is released when BBr3 reacts violently with water). [ACGIH] A corrosive that can cause pulmonary edema; [ICSC]

Exposure Assessment
Skin Designation (ACGIH)

Insufficient data

TIH

Yes

Dangerous When Wet

Yes - A material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour; [ERG 2004]

Ceiling (ACGIH)

0.7 ppm

Explanatory Notes

VP = 100 mm Hg at 33.5 deg C; [HSDB]

Half Life

Whole body (for boron taken orally): complete removed within 96 hrs; For bromide (depends on compound & route) whole body: 1 hr to 12 days; [TDR, p. 205, 214]

Reference Link

ICSC: Boron bromide

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Diseases

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Processes

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