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| Nitrobenzene | CAS 98-95-3 | ||
| C6H5NO2 | RTECS DA6475000 | ||
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Synonyms & Trade Names Essence of mirbane, Nitrobenzol, Oil of mirbane |
DOT ID & Guide 1662 152 |
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Exposure Limits |
NIOSH REL: TWA 1 ppm (5 mg/m3) [skin] | ||
| OSHA PEL: TWA 1 ppm (5 mg/m3) [skin] | |||
| IDLH 200 ppm | Conversion 1 ppm = 5.04 mg/m3 | ||
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Physical Description Yellow, oily liquid with a pungent odor like paste shoe polish. [Note: A solid below 42°F.] |
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MW: 123.1 |
BP: 411°F |
FRZ: 42°F |
Sol: 0.2% |
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VP(77°F): 0.3 mmHg |
IP: 9.92 eV |
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Sp.Gr: 1.20 |
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Fl.P: 190°F |
UEL: ? |
LEL(200°F): 1.8% |
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| Class IIIA Combustible Liquid: Fl.P. at or above 140�F and below 200�F. | |||
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Incompatibilities & Reactivities Concentrated nitric acid, nitrogen tetroxide, caustics, phosphorus pentachloride, chemically-active metals such as tin or zinc |
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Measurement Methods NIOSH 2005, 2017 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: No recommendation Remove: When wet or contaminated Change: Daily Provide: 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/OSHA Up to 10 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*/(APF = 10) Any supplied-air respirator* Up to 25 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*/(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)* Up to 50 ppm: (APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)/(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)*/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 200 ppm: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode Emergency or planned entry into unknown concentrations or IDLH conditions: (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 (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin; anoxia; dermatitis; anemia; methemoglobinemia; in animals: liver, kidney damage; testicular effects | |
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Target Organs
Eyes, skin, blood, liver, kidneys, cardiovascular system, reproductive system |
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| See also: INTRODUCTION |