3,4-Diaminotoluene

Synonyms

1,2-Benzenediamine, 4-methyl-; 1,2-Diamino-4-methylbenzene; 3,4-Diamino-1-methylbenzene; 3,4-Toluenediamine; 3,4-Toluylenediamine; 3,4-Tolylenediamine; 4-Methyl-1,2-benzenediamine; 4-Methyl-1,2-diaminobenzene; 4-Methyl-1,2-phenylenediamine; 4-Methyl-o-phenylenediamine; Toluene-3,4-diamine; Toluenediamine; [ChemIDplus] UN2811

Category

Amines, Aromatic

Description

Solid; [HSDB] Colorless to brownish-purple solid; [CAMEO]

Sources/Uses

Used as a chemical intermediate, research chemical, and component in hair dyes; [HSDB] Only commercially available as 40:60 mixture of the ortho (2,3- and 3,4) isomers used as co-reactants or raw materials in the production of dyes, corrosion inhibitors, urethane products, and rubber antioxidants; Also used to lesser extent to make mercaptotoluimidazole and its zinc salt (specialty antioxidants in nitrile rubber elastomers) and as substitute for o-phenylenediamine in epoxy resin curing; The commercial mixture may be represented by CAS #'s 25376-45-8 and 26966-75-6 (although these CAS #’s may also be used for other isomeric mixtures); [OECD SIDS]

Comments

External application to rabbit eyes scored 7 on a scale of 1-10 (10 being most severe) for degree of injury (2,3/3,4 mixture); Emergency treatment: Methemoglobinemia; [HSDB] A skin and eye irritant; [CAMEO] An irritant; Harmful by ingestion, inhalation, or skin absorption; [Aldrich MSDS] See "2,4-Diaminotoluene."

Biomedical References

Yes

MetHgb is secondary toxic effect

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Yes

Diseases

Occupational diseases associated with exposure to this agent:

• Contact dermatitis, allergic

Processes

Industrial Processes with risk of exposure:

• Dressing Hair