beta-Naphthylamine

Synonyms

2-Aminonaftalen; 2-Aminonaftalen [Czech]; 2-Aminonaphthalene; 2-Naftylamin; 2-Naftylamin [Czech]; 2-Naftylamine; 2-Naftylamine [Dutch]; 2-Naphthalamine; 2-Naphthalenamine; 2-Naphthylamin; 2-Naphthylamin [German]; 2-Naphthylamine; 2-Naphthylamine mustard; 6-Naphthylamine; Fast Scarlet Base B; beta-Naftalamin; beta-Naftalamin [Czech]; beta-Naftilamina; beta-Naftilamina [Italian]; beta-Naftylamin; beta-Naftylamin [Czech]; beta-Naftyloamina; beta-Naftyloamina [Polish]; beta-Naphthylamin; beta-Naphthylamin [German]; beta-Naphthylamine; [ChemIDplus] UN1650

Category

Naphthylamines

Description

Odorless, white to red crystals with a faint, aromatic odor; Note: Darkens in air to a reddish-purple color; [NIOSH]

Sources/Uses

Rarely used today; used in the past in research and in the production of dyes and rubber; [ACGIH]

Comments

A bladder carcinogen regulated by OSHA; see 29 CFR 1910.1003; Listed in the table "Examples of Industrial Chemicals for Which Methemoglobin Formation is NOT the Principal Cause of Toxicity"; [ACGIH] See "alpha-Naphthylamine."

Not imported or used in the U.S. since 1975. [ACGIH]

Biomedical References

0.000256 mm Hg

1.4 ppm

Odor Threshold High

1.9 ppm

Explanatory Notes

Carcinogen--No TLV; Flash point = 157 deg C; Recognition odor threshold from HSDB; VP from HSDB;

No reports found; [TDR, p. 924]

MetHgb is secondary toxic effect

Established

Human carcinogen

Confirmed Human

Diseases

Occupational diseases associated with exposure to this agent:

• Bladder cancer