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Nitromethane |
CAS 75-52-5 | ||
CH3NO2 |
RTECS PA9800000 | ||
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Synonyms & Trade Names Nitrocarbol |
DOT ID & Guide 1261 129 |
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Exposure
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NIOSH REL: See Appendix D | ||
| OSHA PEL: TWA 100 ppm (250 mg/m3) | |||
| IDLH 750 ppm See: 75525 | Conversion 1 ppm = 2.50 mg/m3 | ||
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Physical Description Colorless, oily liquid with a disagreeable odor. |
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MW: 61.0 |
BP: 214°F |
FRZ: -20°F |
Sol: 10% |
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VP: 28 mmHg |
IP: 11.08 eV |
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Sp.Gr: 1.14 |
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Fl.P: 95°F |
UEL: ? |
LEL: 7.3% |
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| Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F. | |||
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Incompatibilities & Reactivities Amines; strong acids, alkalis & oxidizers; hydrocarbons & other combustible materials; metallic oxides [Note: Slowly corrodes steel & copper when wet.] |
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Measurement Methods NIOSH 2527 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 (flammable) Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations OSHA Up to 750 ppm: (APF = 25) Any supplied-air respirator 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 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: Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Dermatitis; in animals: irritation eyes, respiratory system; convulsions, narcosis; liver damage | |
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Target Organs
Eyes, skin, central nervous system, liver |
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| See also: INTRODUCTION See ICSC CARD: 0522 |