Agent Name

Bis(2-ethylhexyl) hydrogen phosphite

CAS Number

3658-48-8

Formula

C16-H35-O3-P

Major Category

Other Classes

Synonyms

Bis(2-ethylhexyl) phosphite; Bis(2-ethylhexyl) phosphonate; Bis(2-ethylhexyl) phosphonic acid; Chelex H 8; Di-2-ethylhexyl hydrogen phosphite; Di-2-ethylhexyl phosphite; Diisooctyl phosphite; Phosphonic acid, bis(2-ethylhexyl) ester; Phosphorous acid, bis(2-ethylhexyl) ester; [ChemIDplus]

Category

Phosphite Compounds

Description

Colorless liquid; Insoluble in water; [HSDB]

Sources/Uses

Used as an additive for extreme pressure lubricants and adhesives, a corrosion inhibitor, an antioxidant, a textile finishing agent, a chemical intermediate for organic phosphorus compounds, and a simulant to test chemical warfare dispersion systems; [HSDB]

Comments

Causes somnolence and convulsions after lethal intraperitoneal doses in mice and rats; A mild eye irritant in rabbits; [RTECS] A mild eye irritant; [Alfa Aesar MSDS]

Exposure Assessment
Vapor Pressure

5.8E-5 mm Hg

Lethal Concentration

LC50 (rat) > 20,000 mg/m3

Adverse Effects
Neurotoxin

Other CNS Neurotoxin

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
Processes

Industrial Processes with risk of exposure: