Dichloromethane (DCM) Supplier CAS 75-09-2

Dichloromethane, an organic compound with the chemical formula CH2Cl2, is a colorless transparent liquid with a pungent odor similar to ether. Slightly soluble in water, soluble in ethanol and ether, under normal use conditions is a non-flammable low-boiling point solvent, its vapor becomes high concentration in high temperature air, it will produce a weakly burning mixture , often used to replace flammable petroleum ether, ether, etc.

chemical formula：CH2Cl2

molecular weight：84.933

CAS login number：75-09-2

EINECS login number：200-838-9

water solubility：Slightly soluble

Applications:

Methylene chloride is a versatile organic compound that has a wide range of applications in various fields. The following are detailed applications of methylene chloride in different fields.

Industrial field

Solvent: Methylene chloride is an excellent solvent that dissolves many organic and inorganic substances. In industrial production, it is often used in the extraction and separation process of grease, resin, rubber and other substances 。

Coolant: Due to its low boiling point, methylene chloride can be used as a cryogenic hot bath and coolant, especially in some experiments and processes where low-temperature conditions need to be maintained.

Pharmaceutical field

Drug Preparation: Methylene chloride is used in the pharmaceutical industry to prepare drugs. ^[9]It can act as a solvent to help extract and isolate the active ingredients in the drug. ^[10]

Medical device cleaning: Methylene chloride is also used to clean medical devices to ensure they are in a high degree of cleanliness before use.

Laboratory use

General Purpose Solvent: As a universal organic solvent, methylene chloride is often used to dissolve and separate various organic compounds. It can effectively dissolve grease, resin, rubber and other substances, providing convenience for organic synthesis, separation, and extraction in the laboratory. Second, methylene chloride is commonly used in laboratories to prepare solvent mixtures to adjust the properties of specific solutions. This characteristic makes it play an important role in some complex chemical experiments, such as chromatography, mass spectrometry, and nuclear magnetic resonance spectroscopy. In addition, due to its low boiling point, methylene chloride is also commonly used as a solvent for washing and cleaning test tubes, beakers and other laboratory utensils in laboratories. Its volatile nature helps to quickly remove residual substances and keep the laboratory equipment clean.

Refrigeration and air conditioning industry

Methylene chloride is a common refrigerant used in evaporation and condensation cycles in air conditioning systems. In an evaporator, methylene chloride absorbs heat and evaporates into a gas, which lowers the air temperature. Through the condenser, it is again converted into a liquid to release heat, which cools the indoor air.