OSHA IMIS Code Number: 1815
Chemical Abstracts Service (CAS) Registry Number: 134-32-7
NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: QM1400000; 51351
Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN2077 Keep Away From Food
Chemical Description and Physical Properties:
colorless crystals with an unpleasant odor, which darken in air to a purplish-reddish color
molecular weight: 143
vapor pressure: 1 mm at 104°C
boiling point: 572°F
melting point: 122°F
OSHA Permissible Exposure Limit (PEL):
General Industry: Cancer-Suspect Agent 29 CFR 1910.1004
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): Potential Carcinogen, Use 29 CFR 1910.1004
International Agency for Research on Cancer (IARC): Group 3, not classifiable as to its carcinogenicity to humans (1-Naphthylamine)
Potential Symptoms: Dermatitis; hemorrhagic cystitis; dyspnea; ataxia; methemoglobinemia; hematuria; dysuria; (carcinogenic)
Health Effects: Cancer-Bladder (Suspect) (HE1)
Affected Organs: Bladder, skin
Primary Laboratory Sampling/Analytical Method (SLC1):
- sampling media: Coated Glass Fiber Filters (37 mm) in 3 piece cassette. Coating is Sulfuric Acid.
maximum volume: 100 Liters
maximum flow rate: 1.0 L/min
current analytical method: Gas Chromatography; GC/ECD
method reference: 2 (OSHA 93)
sampling analytical error: 0.09
method classification: Fully Validated
note: Within ten hours after sampling, transfer filter to glass vial containing 2 mL deionized water. Filters may be obtained by OSHA personnel from the Salt Lake Technical Center.
Conditions: NH2 column; 85% Isooctane 15% Isopropanol; 1 mL/min; Fluorescence - ex 237, em 370; Retention time, 8 min
Wipe Sampling Method:
- sampling media: Sulfuric acid coated glass fiber filters, within 10 hours place filter in glass vial containing 2 mL deionized water
- Limit the amount of bulk submitted to one gram or one mL.
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