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| 4-Nitrobiphenyl | CAS 92-93-3 | ||
| C6H5C6H4NO2 | RTECS DV5600000 | ||
| Synonyms & Trade Names p-Nitrobipheny, p-Nitrodiphenyl, 4-Nitrodiphenyl, p-Phenylnitrobenzene, 4-Phenylnitrobenzene, PNB | DOT ID & Guide | ||
| Exposure | NIOSH REL: Ca See Appendix A | ||
| OSHA PEL: [1910.1003] See Appendix B | |||
| IDLH Ca [N.D.] See: IDLH INDEX | Conversion | ||
| Physical Description White to yellow, needle-like, crystalline solid with a sweetish odor. | |||
| MW: 199.2 | BP: 644°F | MLT: 237°F | Sol: Insoluble | 
| VP: ? | IP: ? |  | Sp.Gr: ? | 
| Fl.P: 290°F | UEL: ? | LEL: ? |  | 
| Combustible Solid | |||
| Incompatibilities & Reactivities Strong reducers | |||
| Measurement Methods NIOSH P&CAM273 (II-4); OSHA PV2082 See: NMAM or OSHA Methods | 
| Personal Protection & Sanitation (See protection) 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 | 
| Important additional information about respirator selection 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 | |
| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Headache, drowsiness, dizziness; dyspnea (breathing difficulty); ataxia, lassitude (weakness, exhaustion); methemoglobinemia; urinary burning; acute hemorrhagic cystitis; [potential occupational carcinogen] | |
| Target Organs 
Bladder, blood Cancer Site [in animals: bladder tumors] | |
| See also: INTRODUCTION See ICSC CARD: 1395 See MEDICAL TESTS: 0162 |