Agent Name

2-Methylaniline hydrochloride

Alternative Name

o-Toluidine hydrochloride

CAS Number

636-21-5

Formula

C7-H9-N.Cl-H

Major Category

Nitrogen Compounds

Synonyms

o-Toluidine hydrochloride; 1-Amino-2-methylbenzene hydrochloride; 1-Methyl-2-aminobenzene hydrochloride; 2-Amino-1-methylbenzene hydrochloride; 2-Aminotoluene hydrochloride; 2-Methyl-1-aminobenzene hydrochloride; 2-Methylaniline HCl; 2-Methylbenzenamine hydrochloride; 2-Toluidine hydrochloride; Benzenamine, 2-methyl-, hydrochloride; Toluene, 2-amino-, hydrochloride; o-Aminotoluene hydrochloride; o-Methylaniline hydrochloride; o-Methylbenzenamine hydrochloride; o-Toluidin hydrochloride; o-Toluidinium chloride; o-Tolylamine hydrochloride; ortho-Aminotoluene hydrochloride; [ChemIDplus] UN1708

Category

Amines, Aromatic

Description

Green or white solid; [CAMEO] Faintly grey powder; [MSDSonline] Colorless to white solid; [NTP]

Sources/Uses

Used to make dyes; Last reported commercial production or import in 1975; One company in US thought to still produce as of 1982; [HSDB] Manufactured in the US by four companies as of 2001, with import data up to 1983; [NTP]

Comments

Known animal carcinogen; Emergency treatment: "Aniline"; [HSDB] An irritant; May cause cancer; Toxic by ingestion, inhalation, and skin absorption; [Aldrich MSDS] See "o-Toluidine."

Exposure Assessment
Vapor Pressure

0.29 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Toluidines."

Adverse Effects
Methemoglobinemia

Methemoglobinemia, Secondary

NTP Carcinogen

Anticipated Human Carcinogen

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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Related Information in HazMap
Other Information

No other related information on this agent was found.