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o-Nitrotoluene |
CAS 88-72-2 | ||
NO2C6H4CH3 |
RTECS XT3150000 | ||
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Synonyms & Trade Names o-Methylnitrobenzene, 2-Methylnitrobenzene, ortho-Nitrotoluene, 2-Nitrotoluene |
DOT ID & Guide 1664 152 |
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Exposure
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NIOSH REL: TWA 2 ppm (11 mg/m3) [skin] | ||
| OSHA PEL†: TWA 5 ppm (30 mg/m3) [skin] | |||
| IDLH 200 ppm See: 88722 | Conversion 1 ppm = 5.61 mg/m3 | ||
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Physical Description Yellow liquid with a weak, aromatic odor. [Note: A solid below 25°F.] |
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MW: 137.1 |
BP: 432°F |
FRZ: 25°F |
Sol: 0.07% |
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VP: 0.1 mmHg |
IP: 9.43 eV |
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Sp.Gr: 1.16 |
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Fl.P: 223°F |
UEL: ? |
LEL: 2.2% |
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| Class IIIB Combustible Liquid: Fl.P. at or above 200°F. | |||
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Incompatibilities & Reactivities Strong oxidizers, sulfuric acid |
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Measurement Methods NIOSH 2005 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH Up to 20 ppm: (APF = 10) Any supplied-air respirator* Up to 50 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode* Up to 100 ppm: (APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode* (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 having 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 |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Anoxia, cyanosis; headache, lassitude (weakness, exhaustion), dizziness; ataxia; dyspnea (breathing difficulty); tachycardia; nausea, vomiting | |
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Target Organs
Blood, central nervous system, cardiovascular system, skin, gastrointestinal tract |
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| See also: INTRODUCTION See ICSC CARD: 0931 See MEDICAL TESTS: 0168 |