alpha-Naphthylamine |
Synonyms & Trade Names 1-Aminonaphthalene, 1-Naphthylamine |
CAS No. 134-32-7 |
RTECS No. QM1400000 |
DOT ID & Guide 2077 153 |
FormulaC10H7NH2 |
Conversion |
IDLH Ca [N.D.]
See: IDLH INDEX |
Exposure Limits NIOSH REL: Ca See Appendix A
OSHA PEL: [1910.1004] See Appendix B |
Measurement Methods
NIOSH 5518;
OSHA 93
See: NMAM or OSHA Methods |
Physical Description Colorless crystals with an ammonia-like odor. [Note: Darkens in air to a reddish-purple color.] |
MW: 143.2 |
BP: 573°F |
MLT: 122°F |
Sol: 0.002% |
VP(220°F): 1 mmHg |
IP: 7.30 eV |
Sp.Gr: 1.12 |
Fl.P: 315°F |
UEL: ? |
LEL: ? |
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| Combustible Solid |
Incompatibilities & Reactivities Oxidizes in air |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms dermatitis; hemorrhagic cystitis; dyspnea (breathing difficulty), ataxia, methemoglobinemia; hematuria (blood in the urine); dysuria; [potential occupational carcinogen] |
Target Organs Bladder, skin |
Cancer Site[bladder cancer] |
Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations (See Appendix E)
NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0518 See MEDICAL TESTS: 0153 |
