Agent Name

Triisopropyl borate

CAS Number

5419-55-6

Formula

C9-H21-B-O3

Major Category

Metals

Synonyms

Boric acid, triisopropyl ester; Boric acid, tris(1-methylethyl) ester; Boron isopropoxide; Boron triisopropoxide; Isopropyl borate; Triisopropoxy borane; Triisopropoxy boron; Triisopropoxyborane; Triisopropoxyboron; Triisopropyl orthoborate; Trisisopropoxyborane; Boric acid (H3BO3), triisopropyl ester (8CI); Boric acid (H3BO3), tris(1-methylethyl) ester; Boric acid, (H3BO3), triisopropyl ester; [ChemIDplus] TIPB; [EPA ChAMP: Submission] Tripropan-2-yl borate; [ToxPlanet: ECHA REACH Registrations] UN2616

Category

Metalloid Compounds (Boron)

Description

Colorless liquid; [CAMEO] Colorless liquid with an alcohol-like odor; [Alfa Aesar MSDS]

Sources/Uses

Used to make other chemicals; [CAMEO] Used to make pharmaceuticals and as a lubricant additive; [Reference #1]

Comments

A mild eye irritant; Causes somnolence, respiratory depression, and diarrhea in oral lethal-dose studies of rats; Oral LD50 (mouse) = 2,500 mg/kg; [RTECS] Rapidly hydrolyzes forming isopropanol (CAS# 67-63-0) and boric acid (CAS# 10043-35-3); [Reference #1] May cause irritation; [Alfa Aesar MSDS] See "Isopropyl alcohol" and "Boric acid." See "Triethyl borate."

Exposure Assessment
Vapor Pressure

8.6 mm Hg

Flammability (NFPA)

3: May ignite at ambient temperature

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