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Substance Safety Data Sheet and Technical Guidelines for
Methylene chloride. I. Substance Identification A. Substance:
Methylene chloride (CH2Cl2). B. Synonyms: MC, Dichloromethane
(DCM); Methylene dichloride; Methylene bichloride; Methane
dichloride; CAS: 75-09-2; NCI-C50102. C. Physical data: 1.
Molecular weight: 84.9. 2. Boiling point (760 mm Hg): 39.8 deg.C
(104 deg.F). 3. Specific gravity (water=1): 1.3. 4. Vapor
density (air=1 at boiling point): 2.9. 5. Vapor pressure at 20
deg.C (68 deg.F): 350 mm Hg. 6. Solubility in water, g/100 g
water at 20 deg. C (68 deg. F)=1.32. 7. Appearance and odor:
colorless liquid with a chloroform-like odor. MC is used as a so