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Chemical Fact Sheet

Chemical Abstract Number (CAS #) 107302
CASRN 107-30-2
SynonymsChloromethyl methyl ether
Monochlorodimethyl ether
Methane, chloromethoxy-
Analytical Method EPA Method 8010
Molecular FormulaC2H5ClO

Link to the National Library of Medicine's Hazardous Substances
Database for more details on this compound.

Use CHEM INT, EG, FOR DODECYLBENZYL CHLORIDE An alkylating agent & solvent used in the manufacture of water repellants, ion-exchange resins, & indust polymers In synthesis of chloromethylated compounds.
Apparent Color COLORLESS LIQ
Odor Irritating odor
Boiling Point 59 DEG C @ 760 MM HG
Melting Point -103.5 DEG C
Molecular Weight 80.52
Density SP GR: 1.0605 @ 20 DEG C/4 DEG C
Sensitivity Data Fairly severe skin irritant. May cause pain and second-degree burns after a few minutes contact. If inhaled, will cause difficult breathing.
Environmental Impact Chloromethyl methyl ether might possibly escape into the environment in exhaust gases associated with its use as a chemical intermediate. It would not be found in waste water due to its very rapid hydrolysis (half-life < 1 sec). Its half-life in humid air has been measured to be 3.5-6 min and 6.5 hr in 2 studies.
Environmental Fate TERRESTRIAL FATE: The fate of chloromethyl methyl ether in moist soil is unknown. However since it hydrolyzes so rapidly, it will be expected to disappear rapidly from moist soil. AQUATIC FATE: Chloromethyl methyl ether will hydrolyze instantaneously in water (half-life < 1 sec) . The reaction products are methanol, formaldehdye, and HC1 . ATMOSPHERIC FATE: Chloromethyl methyl ether will hydrolyze in humid air (half-life 3.5 min to 6.5 hr)(1,2). However, results suggest that the hydrolysis is surface catlyzyed and therefore may not represent the true half-life in and the atmospheric room air or outside air. A half-life would be determined by its reaction with photochemically produced hydroxyl radicals (estimated 5.7 days .

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