beta-Naphthylamine

Agent Name
beta-Naphthylamine
Alternative Name
2-Naphthylamine
CAS Number
91-59-8
Formula
C10-H9-N
Major Category
Nitrogen Compounds
beta-Naphthylamine formula graphical representation
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."
Restricted
Not imported or used in the U.S. since 1975. [ACGIH]
Biomedical References

Exposure Assessment

Vapor Pressure
0.000256 mm Hg
Odor Threshold Low
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;
Half Life
No reports found; [TDR, p. 924]

Adverse Effects

Methemoglobinemia
MetHgb is secondary toxic effect
IARC Carcinogen
Established
NTP Carcinogen
Human carcinogen
ACGIH Carcinogen
Confirmed Human

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent: