Methylene chloride is primarily used as a solvent in paint removers, but is also used in aerosol formulations, as a solvent in the manufacture of pharmaceuticals, as a degreasing agent, in electronics manufacturing and as an ethane foam blowing agent. Inhalation exposure to this substance irritates the nose and throat and affects the central nervous system. Methylene chloride is a possible mutagen and is reasonably anticipated to be a human carcinogen. Dichloromethane is used as an extraction solvent in the preparation of decaffeinated coffee, hop extracts and spice oleoresins. Diluent for colour additives and inks for marking fruit and vegetables The output of these processes is a mixture of methyl chloride, dichloromethane, chloroform, and carbon tetrachloride. These compounds are separated by distillation. Dichloromethane has been shown to exhibit anti-tumor, anti-proliferative, analgesic, anti-fungal and antibiotic functions . Dichloromethane belongs to the family of Organochlorides. These are organic compounds containing a chlorine atom.
- Molar mass
- 84.93 g/mol
- CAS Number
- 1.325 g/mL at 25°C (77°F)
- ≥99.9% (HPLC Plus) for HPLC, GC, and residue analysis contains 50-150 ppm amylene as stabilizer
- Colourless liquid
- Melting point/freezing point
- -97°C (-143°F)
- Initial boiling point and boiling range
- 39.8 – 40°C (103.6 – 104°F)
- Flash point
- closed cup does not flash
- Vapour pressure
- 465 hPa (349 mmHg) at 20°C (68°F)
- Vapour density
- Water solubility
- 13.2 g/l at 25°C (77°F)
- Partition coefficient: n-octanol/water
- log Pow: 1.25 at 20°C (68°F) – (ECHA), Bioaccumulation is not expected.
- Upper/lower flammability or explosive limits
- Upper EL: 22 %(V); Lower EL: 13 %(V)
- Evaporation rate
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