Agent Name

Tributyl borate

CAS Number

688-74-4

Formula

C12-H27-B-O3

Major Category

Metals

Synonyms

Borane, tributoxy-; Borester 2; Boric acid, (H3BO3) tributyl ester; Boric acid, tributyl ester; Boron tributoxide; Butyl borate; Butyl borate, (BuO)3B; Butyl borate, tri-; Tri-n-butoxyborane; Tri-n-butyl borate; Tributoxyborane; Tributoxyborine; Tributoxyboron; Tributyl orthoborate; Tributylester kyseliny borite [Czech]; Tris(butoxy)borane; n-Butyl borate; [ChemIDplus]

Category

Metalloid Compounds (Boron)

Description

Colorless liquid; [HSDB]

Sources/Uses

Used in welding fluxes, flame retardants for textiles, and curing systems for metal coatings; [HSDB]

Comments

An eye and respiratory tract irritant; Oral LD50 (mouse) =2150 mg/kg; Decomposes in the presence of water to boric acid and n-butanol; [HSDB] Decomposed quickly by water; [CAMEO] Hydrolyzed by water; An irritant; [MSDSonline] See "Boric acid." See "Triethyl borate."

Exposure Assessment
Vapor Pressure

0.52 mm Hg

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