bis-Chloromethyl ether
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CAS
542-88-1
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(CH2Cl)2O
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RTECS
KN1575000
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Synonyms & Trade Names
BCME, bis-CME, Chloromethyl ether, Dichlorodimethyl ether, Dichloromethyl ether, Oxybis(chloromethane)
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DOT ID & Guide
2249 / 131
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Exposure
Limits
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NIOSH REL: Ca See Appendix A
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OSHA PEL: [1910.1008] See Appendix B
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IDLH
Ca [N.D.]
See: IDLH INDEX
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Conversion
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Physical Description
Colorless liquid with a suffocating odor.
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MW: 115.0
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BP: 223°F
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FRZ: -43°F
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Sol: Reacts
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VP(72°F): 30 mmHg
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IP: ?
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Sp.Gr: 1.32
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Fl.P: <66°F
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UEL: ?
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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 |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet (flammable)
Change: Daily
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations (See Appendix E)
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
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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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
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