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| beta-Naphthylamine | CAS 91-59-8 | ||
| C10H7NH2 | RTECS QM2100000 | ||
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Synonyms & Trade Names 2-Aminonaphthalene, 2-Naphthylamine |
DOT ID & Guide 1650 153 |
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Exposure Limits |
NIOSH REL: Ca See Appendix A | ||
| OSHA PEL: [1910.1009] See Appendix B | |||
| IDLH Ca [N.D.] | Conversion | ||
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Physical Description Odorless, white to red crystals with a faint, aromatic odor. [Note: Darkens in air to a reddish-purple color.] |
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MW: 143.2 |
BP: 583°F |
MLT: 232°F |
Sol: Miscible in hot water |
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VP(226°F): 1 mmHg |
IP: 9.71 eV |
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Sp.Gr(208°F): 1.06 |
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Fl.P: 315°F |
UEL: ? |
LEL: ? |
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| Combustible Solid | |||
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Incompatibilities & Reactivities None reported |
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Measurement Methods NIOSH 5518; OSHA 93 |
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Personal Protection & Sanitation 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 |
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Respirator Recommendations
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 a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| 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] | |
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Target Organs
Bladder, skin Cancer Site [bladder cancer] |
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| See also: INTRODUCTION |