Agent Name

4-(1,1,3,3-Tetramethylbutyl)phenol

CAS Number

140-66-9

Formula

C14-H22-O

Major Category

Other Classes

Synonyms

4-t-Octylphenol; 4-tert-Octylphenol; Phenol, 4-(1,1,3,3-tetramethylbutyl)-; Phenol, p-(1,1,3,3-tetramethylbutyl)-; Phenol, p-(tert-octyl)-; p-(1',1',3',3'-Tetramethylbutyl)fenol; p-(1,1,3,3-Tetramethylbutyl)phenol; p-Octylphenol (VAN); p-terc.Oktylfenol [Czech]; p-tert-Octylphenol; para-tert-Octylphenol; [ChemIDplus]

Category

Phenols

Description

White solid; [HSDB] Fine white plates; [MSDSonline]

Sources/Uses

Used as intermediate for surfactants and other compounds; [HSDB] Used as intermediate for resins, rubber additives, antioxidants, fuel oil stabilizers, adhesives, dyestuffs, fungicides, and bactericides; Also used for vulcanizing synthetic rubber (sulfide derivative) and in airplane fuel; [eChemPortal: SIDSUNEP]

Comments

Causes somnolence and liver changes in lethal-dose feeding studies of rats; [RTECS] A skin and eye irritant; [HSDB] A mild skin and severe eye irritant; [eChemPortal: SIDSUNEP] A skin irritant; May cause serious eye injury; [eChemPortal: ESIS] An irritant; May cause serious eye injury; Can be absorbed through skin; [MSDSonline] See "Phenol."

Exposure Assessment
MAK

0.5 ppm

Vapor Pressure

0.03 mm Hg

Lethal Concentration

LC50 (rat) < 29,000 mg/m3/4h

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Processes

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