Agent Name

alpha-Naphthylamine

Alternative Name

1-Naphthylamine

CAS Number

134-32-7

Formula

C10-H9-N

Major Category

Nitrogen Compounds

Synonyms

1-Naphthylamine; 1-Aminonaftalen [Czech]; 1-Aminonaphthalene; 1-Naftilamina [Spanish]; 1-Naftylamin [Czech]; 1-Naftylamine [Dutch]; 1-Naphthalamine; 1-Naphthalenamine; 1-Naphthylamin [German]; 1-Naphthylamine; 1-Naphthylamine, technical grade; Alfanaftilamina [Italian]; C.I. Azoic Diazo Component 114; CI 37265; CI Azoic Diazo Component 114; Fast Garnet B Base; Fast Garnet Base B; Naphthalidam; Naphthalidine; alfa-Naftyloamina [Polish]; alpha-Aminonaphthalene; alpha-Naftalamin [Czech]; alpha-Naftylamin [Czech]; alpha-Naphthylamine; [ChemIDplus] UN2077

Category

Naphthylamines

Description

Colorless crystals with an ammonia-like odor; Note: Darkens in air to a reddish-purple color; [NIOSH]

Sources/Uses

Former uses included: a chemical intermediate for the synthesis of dyes, rubber antioxidants, and pesticides; [HSDB]

Comments

It is an OSHA regulated carcinogen. It can induce methemoglobinemia in feeding studies in dogs. [HSDB] beta-Naphthylamine is a Group 1 bladder carcinogen. [IARC] See "beta-Naphthylamine."

Restricted

See 29CFR1910.1003 (Code of Federal Regulations}

Exposure Assessment
Vapor Pressure

0.00418 mm Hg

Explanatory Notes

Flash point = 157 deg C;

Half Life

No reports found; [TDR, p. 918]

Flammability (NFPA)

1: Must be preheated

Adverse Effects
Methemoglobinemia

Methemoglobinemia, Secondary

IARC Carcinogen

Not Classifiable

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

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