Dichloromethane is an organic compound with the chemical formula CH2Cl2.
It is a colorless transparent liquid with an irritating smell similar to ether. It is slightly soluble in water, ethanol and ether. It is a nonflammable solvent with low boiling point under normal service conditions. When its vapor becomes high concentration in high-temperature air, it will generate a mixture of gas with weak combustion. It is often used to replace flammable petroleum ether, ether, etc.
Application
1. Used for grain fumigation and refrigeration of low-pressure freezers and air conditioning devices.
2. Used as solvent, extractant and mutagen.
3. Used in electronic industry. It is often used as cleaning and degreasing agent.
4. It is used as a dental local anesthetic, refrigerant, fire extinguishing agent, degreasing agent and film remover for cleaning metal surface paint.
5. Used as an intermediate in organic synthesis.