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| bis-Chloromethyl ether | CAS 542-88-1 | ||
| (CH2Cl)2O | RTECS KN1575000 | ||
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Synonyms & Trade Names BCME, bis-CME, Chloromethyl ether, Dichlorodimethyl ether, Dichloromethyl ether, Oxybis(chloromethane) |
DOT ID & Guide 2249 153 |
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Exposure Limits |
NIOSH REL: Ca See Appendix A | ||
| OSHA PEL: [1910.1008] See Appendix B | |||
| IDLH Ca [N.D.] See: IDLH INDEX | Conversion | ||
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Physical Description Colorless liquid with a suffocating odor. |
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MW: 115.0 |
BP: 223°F |
FRZ: -43°F |
Sol: Reacts |
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VP(72°F): 30 mmHg |
IP: ? |
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Sp.Gr: 1.32 |
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Fl.P: <66°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 Acids, water [Note: Reacts with water to form hydrochloric acid & formaldehyde.] |
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Measurement Methods 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, respiratory system; pulmonary congestion, edema; corneal damage, necrosis; decreased pulmonary function, cough, dyspnea (breathing difficulty), wheezing; blood-stained sputum, bronchial secretions; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin, respiratory system Cancer Site [lung cancer] |
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| See also: INTRODUCTION See ICSC CARD: 0237 See MEDICAL TESTS: 0026 |