Methylene Chloride
Dichloromethane, Methylene Dichloride, DCM
- CAS
- 75-09-2
- EC
- 200-838-9
- Sectors
- Pharma & Healthcare, Plastics & Polymers, Coatings, Adhesives, Sealants & Elastomers
Methylene Chloride (CAS 75-09-2) is a chlorinated solvent, also known as dichloromethane, supplied as a colorless liquid with a mild sweet odor and high solvency power, used in paint removers, adhesives, polymer processing, pharmaceutical extraction, foam blowing and degreasing. It has moderate volatility and good stability.
Typical Properties
| Molecular formula | CH2Cl2 |
|---|---|
| Molecular weight | 84.93 g/mol |
| Form | Liquid |
| Color | APHA: ≤10 |
| Odor | Odor threshold 160 to 230 ppm |
| Melting point | -95 °C |
| Boiling point | 39.75 °C @ Press: 760 Torr |
| Density | 1.3255 g/cm³ @ Temp: 20 °C |
| Water solubility | 20 g/L (20 °C) |
| Flash point | 39-40°C |
| pH | 7 (20°C) |
| GHS signal word | Warning · Irritant / harmful, Health hazard |
| HS code | 29031200 |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Methylene Chloride
Applications
Used in paint removers, adhesives, and polymer processing. In pharmaceuticals, it serves as an extraction solvent. Industrially, it’s applied in foam blowing and degreasing operations.
Safety & Risks
Toxic by inhalation; suspected carcinogen. Ensure closed systems and effective ventilation.
Packaging
Delivered in 250 kg drums or 1,000 L IBC tanks. Store in cool, dry, well-ventilated areas.