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| Methyl chloroform | CAS 71-55-6 | ||
| CH3CCl3 | RTECS KJ2975000 | ||
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Synonyms & Trade Names Chlorothene; 1,1,1-Trichloroethane; 1,1,1-Trichloroethane (stabilized) |
DOT ID & Guide 2831 160 |
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Exposure Limits |
NIOSH REL: C 350 ppm (1900 mg/m3) [15-minute] See Appendix C (Chloroethanes) | ||
| OSHA PEL�: TWA 350 ppm (1900 mg/m3) | |||
| IDLH 700 ppm | Conversion 1 ppm = 5.46 mg/m3 | ||
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Physical Description Colorless liquid with a mild, chloroform-like odor. |
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MW: 133.4 |
BP: 165°F |
FRZ: -23°F |
Sol: 0.4% |
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VP: 100 mmHg |
IP: 11.00 eV |
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Sp.Gr: 1.34 |
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Fl.P: ? |
UEL: 12.5% |
LEL: 7.5% |
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| Combustible Liquid, but burns with difficulty. | |||
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Incompatibilities & Reactivities Strong caustics; strong oxidizers; chemically-active metals such as zinc, aluminum, magnesium powders, sodium & potassium; water [Note: Reacts slowly with water to form hydrochloric acid.] |
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Measurement Methods NIOSH 1003 |
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Personal Protection & Sanitation 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 promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH/OSHA Up to 700 ppm: (APF = 10) Any supplied-air respirator*/(APF = 50) Any self-contained breathing apparatus 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: (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, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin; headache, lassitude (weakness, exhaustion), central nervous system depression, poor equilibrium; dermatitis; cardiac arrhythmias; liver damage | |
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Target Organs
Eyes, skin, central nervous system, cardiovascular system, liver |
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| See also: INTRODUCTION |