alpha-Naphthylamine
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CAS
134-32-7
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C10H7NH2
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RTECS
QM1400000
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Synonyms & Trade Names
1-Aminonaphthalene, 1-Naphthylamine
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DOT ID & Guide
2077 153
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Exposure
Limits
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NIOSH REL: Ca See Appendix A
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OSHA PEL: [1910.1004] See Appendix B
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IDLH
Ca [N.D.]
See: IDLH INDEX
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Conversion
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Physical Description
Colorless crystals with an ammonia-like odor. [Note: Darkens in air to a reddish-purple color.]
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MW: 143.2
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BP: 573°F
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MLT: 122°F
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Sol: 0.002%
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VP(220°F): 1 mmHg
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IP: 7.30 eV
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Sp.Gr: 1.12
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Fl.P: 315°F
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UEL: ?
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LEL: ?
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Combustible Solid
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Incompatibilities & Reactivities
Oxidizes in air
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Measurement Methods
NIOSH 5518; OSHA 93
See: NMAM or OSHA Methods
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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
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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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
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Dermatitis; hemorrhagic cystitis; dyspnea (breathing difficulty), ataxia, methemoglobinemia; hematuria (blood in the urine); dysuria; [potential occupational carcinogen]
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Target Organs
Bladder, skin
Cancer Site
[bladder cancer]
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See also: INTRODUCTION See ICSC CARD: 0518
See MEDICAL TESTS: 0153
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