Agent Name

3,3',5,5'-Tetramethylbenzidine

CAS Number

54827-17-7

Formula

C16-H20-N2

Major Category

Nitrogen Compounds

Synonyms

(1,1'-Biphenyl)-4,4'-diamine, 3,3',5,5'-tetramethyl-; 3,3',5,5'-Tetramethyl-(1,1'-biphenyl)-4,4'-diamine; 3,5,3',5'-Tetramethylbenzidine; [ChemIDplus]

Category

Benzidine and Derivatives

Description

Pale yellow or off-white solid; [CAMEO] White or light yellow solid; [MSDSonline]

Sources/Uses

Used as a clinical reagent for testing blood; [HSDB]

Comments

An irritant; Harmful if swallowed; May induce methemoglobinemia if absorbed; [Alfa Aesar MSDS] See "Benzidine."

Exposure Assessment
Vapor Pressure

5.0E-7 mm Hg

Adverse Effects
Methemoglobinemia

Methemoglobinemia, Secondary

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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Other Information

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