bis-Chloromethyl ether |
Synonyms & Trade Names BCME, bis-CME, Chloromethyl ether, Dichlorodimethyl ether, Dichloromethyl ether, Oxybis(chloromethane) |
CAS No. 542-88-1 |
RTECS No. KN1575000 |
DOT ID & Guide 2249 131 |
Formula(CH2Cl)2O |
Conversion |
IDLH Ca [N.D.]
See: IDLH INDEX |
Exposure Limits NIOSH REL: Ca See Appendix A
OSHA PEL: [1910.1008] See Appendix B |
Measurement Methods
OSHA 10
See: NMAM or OSHA Methods |
Physical Description Colorless liquid with a suffocating odor. |
MW: 115.0 |
BP: 223°F |
FRZ: -43°F |
Sol: Reacts |
VP(72°F): 30 mmHg |
IP: ? |
Sp.Gr: 1.32 |
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. |
Incompatibilities & Reactivities Acids, water [Note: Reacts with water to form hydrochloric acid & formaldehyde.] |
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] |
Target Organs Eyes, skin, respiratory system |
Cancer Site[lung cancer] |
Personal Protection/Sanitation (See protection codes)
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 |
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 |
| See also: INTRODUCTION See ICSC CARD: 0237 See MEDICAL TESTS: 0026 |
