Chloromethyl methyl ether
Synonyms & Trade Names
Chlorodimethyl ether, Chloromethoxymethane, CMME, Dimethylchloroether, Methylchloromethyl etherPhysical Description
Colorless liquid with an irritating odor.Molecular Weight
80.5Boiling Point
138°FFreezing Point
-154°FSolubility
ReactsVapor Pressure
(70°F): 192 mmHgIonization Potential
10.25 eVSpecific Gravity
1.06Flash Point
(oc) 32°FUpper Exposive Limit
?Lower Explosive Limit
?
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities
Water [Note: Reacts with water to form hydrochloric acid & formaldehyde.]Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contactSymptoms
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]Target Organs
Eyes, skin, respiratory systemCancer Site
[in animals: skin & 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
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
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division