Methylene Chloride
Dichloromethane (DCM, methylene chloride, or methylene bichloride) is an organochlorine compound with the formula CH2Cl2. This colorless, volatile liquid with a chloroform-like, sweet odor is widely used as a solvent. Although it is not miscible with water, it is slightly polar, and miscible with many organic solvents.
Application
It widely used in the food industry and pharma industry. It has been used to decaffeinate coffee and tea. It is also used as an aerosol spray propellant and as a blowing agent.Widely used as a paint stripper and a degreaser. In the food industry, it has been used to decaffeinate coffee and tea. Its volatility has led to its use as an aerosol spray propellant and as a blowing agent for polyurethane foams and in pharma industry.
| Chemical formula | CH2Cl2 |
|---|---|
| Molar mass | 84.93 g·mol−1 |
| Appearance | Colorless liquid |
| Odor | Faint, chloroform-like |
| Density | 1.3266 g/cm3 (20 °C) |
| Melting point | −96.7 °C (−142.1 °F; 176.5 K) |
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