Agent Name

4-tert-Butylcatechol

CAS Number

98-29-3

Formula

C10-H14-O2

Major Category

Other Classes

Synonyms

1,2-Benzenediol, 4-(1,1-dimethylethyl)-; 1,2-Dihydroxy-4-tert-butylbenzene; 4-TBC; 4-t-Butylcatechol; 4-t-Butylpyrocatechol; 4-tert-Butyl-1,2-benzenediol; 4-tert-Butyl-1,2-dihydroxybenzene; 4-tert-Butylcatechin; 4-tert-Butylcatechol; 4-tert-Butylpyrocatechol; 4-tert-Butylpyrokatechin [Czech]; Synox TBC; p-t-Butylpyrocatechol; p-tert-Butylcatechol; p-tert-Butylpyrocatechol; Pyrocatechol, 4-tert-butyl-; [ChemIDplus] UN2923

Category

Phenols

Description

White solid; [CHEMINFO] White or tan, odorless crystalline solid; [MSDSonline]

Sources/Uses

Used to inhibit polymerization of styrene-butadiene and other olefins; [Hawley]

Comments

Has corrosive effects to skin and eyes; [CHEMINFO] Danger of skin sensitization; [MAK] No mortality occurred in animals exposed to saturated concentrations (3-4 ppm); Cases of skin depigmentation have been reported in workers; [AIHA] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; Can be absorbed through skin; May cause skin sensitization; [MSDSonline]

Exposure Assessment
WEEL

Ceiling = 2 mg/m3

Vapor Pressure

0.0028 mm Hg

Explanatory Notes

Odor Threshold = 1.0 mg/l (detection); Flash Point = 130 deg C; [CHEMINFO] The Guide in the Emergency Response Guidebook is for "Corrosive solid, toxic, n.o.s."

Flammability (NFPA)

1: Must be preheated

Adverse Effects
Skin Sensitizer

Yes

Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: