Agent Name

Benzidine dihydrochloride

CAS Number

531-85-1

Formula

C12-H12-N2.2Cl-H

Major Category

Nitrogen Compounds

Synonyms

(1,1'-Biphenyl)-4,4'-diamine, dihydrochloride; Benzidine HCl; Benzidine hydrochloride; Dihidrocloruro de benzidina [Spanish]; [ChemIDplus]

Category

Benzidine and Derivatives

Description

White solid; [CAMEO] Colorless crystalline solid; [MSDSonline]

Sources/Uses

In the presence of acids, benzidine forms salts such as benzidine dihydrochloride. The dihydrochloride form hydrolyzes into the monohydrochloride salt and hydrochloric acid. [Ullmann]

Comments

Readily absorbed through skin; "Symptoms of exposure to this compound include nausea, vomiting, liver damage and kidney damage." [CAMEO] May cause irritation; Targets the liver, kidneys, and bladder; [MSDSonline] See "Benzidine."

Exposure Assessment
Vapor Pressure

4.38E-6 mm Hg

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

Links to Other NLM Databases
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Chemical Information

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Other Information

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