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| Chloromethyl methyl ether | CAS 107-30-2 | ||
| CH3OCH2Cl | RTECS KN6650000 | ||
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Synonyms & Trade Names Chlorodimethyl ether, Chloromethoxymethane, CMME, Dimethylchloroether, Methylchloromethyl ether |
DOT ID & Guide 1239 131 |
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Exposure Limits |
NIOSH REL: Ca See Appendix A | ||
| OSHA PEL: [1910.1006] See Appendix B | |||
| IDLH Ca [N.D.] See: IDLH INDEX | Conversion | ||
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Physical Description Colorless liquid with an irritating odor. |
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MW: 80.5 |
BP: 138°F |
FRZ: -154°F |
Sol: Reacts |
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VP(70°F): 192 mmHg |
IP: 10.25 eV |
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Sp.Gr: 1.06 |
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Fl.P(oc): 32°F |
UEL: ? |
LEL: ? |
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| Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F. | |||
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Incompatibilities & Reactivities Water [Note: Reacts with water to form hydrochloric acid & formaldehyde.] |
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Measurement Methods NIOSH P&CAM220; (II-1); OSHA 10 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated/Daily Remove: When wet (flammable) Change: Daily Provide: Eyewash, Quick drench |
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 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 (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, mucous membrane; pulmonary edema, pulmonary congestion, pneumonitis; skin burns, necrosis; cough, wheezing, pulmonary congestion; blood stained-sputum; weight loss; bronchial secretions; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin, respiratory system Cancer Site [in animals: skin & lung cancer] |
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| See also: INTRODUCTION See ICSC CARD: 0238 See MEDICAL TESTS: 0048 |