Agent Name

3,3'-Diaminobenzidine

CAS Number

91-95-2

Formula

C12-H14-N4

Major Category

Nitrogen Compounds

Synonyms

3,3',4,4'-Diphenyltetramine; 3,3',4,4'-Tetraaminobiphenyl; 3,3',4,4'-Tetraaminodiphenyl; 3,3',4,4'-Tetraminobiphenyl; 3,3'-Diaminobenzidene; (1,1'-Biphenyl)-3,3',4,4'-tetramine; 3,3'4,4'-Biphenyltetramine; Biphenyl-3,3',4,4'-tetraamine; [ChemIDplus]

Category

Benzidine and Derivatives

Description

Red to brown hygroscopic solid; [ICSC]

Sources/Uses

Used as a reagent; [REPROTOX]

Comments

Causes muscle weakness, cyanosis, and urine changes in inhalation lethal-dose study of rats; [RTECS] May cause eye irritation; A possible human carcinogen; [ICSC] May cause irritation; Possible teratogen and carcinogen; [Aldrich MSDS] See "Benzidine."

Exposure Assessment
Lethal Concentration

LCLo (rat) = 260 mg/m3/4hr

Links to Other NLM Databases
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Other Information

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