Agent Name

Dibutyl hydrogen phosphite

CAS Number

1809-19-4

Formula

C8-H19-O3-P

Major Category

Other Classes

Synonyms

Butyl alcohol, hydrogen phosphite; Butyl phosphonate ((BuO)2HPO); Di-n-butyl hydrogen phosphite; Dibutoxyphosphine oxide; Dibutyl hydrogen phosphite (VAN); Dibutyl hydrogen phosphonate; Dibutyl phosphite; Dibutyl phosphite (VAN); Dibutyl phosphonate; Dibutylfosfit [Czech]; Mobil DBHP; Phosphonic acid, dibutyl ester; Phosphorous acid, dibutyl ester; Phosphorous acid, dibutyl ester (VAN); [ChemIDplus]

Category

Phosphite Compounds

Description

Water-white liquid; [Hawley] Clear colorless liquid; [MSDSonline]

Sources/Uses

Used as solvent, antioxidant, and chemical intermediate; [HSDB]

Comments

A mild skin and severe eye irritant; [HSDB] A strong skin, eye, and mucous membrane irritant; [CAMEO] May decompose when exposed to moisture; An irritant; May cause serious eye injury; [MSDSonline]

Exposure Assessment
Vapor Pressure

0.02 mm Hg

Lethal Concentration

LC50 (rat) > 20,000 mg/m3

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

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