Dichloromethane CAS:75-09-2

Dichloromethane (CAS: 75-09-2), also known as methylene chloride, is a colorless, volatile halogenated methane organic solvent. Its molecular structure contains two chlorine atoms, giving it excellent solubility, a moderate boiling point, and low flammability. It is miscible with most organic solvents and is widely used in various industrial fields, including electronics, pharmaceuticals, chemicals, and food. However, it is important to note that it is toxic, and its use and storage must strictly adhere to safety regulations.

1. Electronics Industry: High-Precision Cleaning and Process Assistance

Due to its strong solvency, rapid evaporation rate, and lack of residue, dichloromethane is an important cleaning solvent in the electronics industry, especially suitable for the cleaning of high-precision components.

2. Pharmaceutical Field: Solvents for Drug Synthesis and Extraction

Pharmaceutical-grade dichloromethane meets international pharmacopoeia standards such as USP and EP. Its low impurity content ensures drug safety and it is widely used in drug synthesis and natural drug extraction.

3. Chemical Engineering and Materials Science: Solvents and Synthesis Intermediates

Dichloromethane is a fundamental solvent and synthesis raw material in the chemical industry, and is indispensable in the production of products such as coatings, resins, and adhesives.

4. Food Industry: Solvent for Extracting Natural Ingredients

High-purity dichloromethane can be used as a food-grade extraction solvent to extract specific components from food, meeting food hygiene standards.

5. Research and Laboratory Fields: General Analytical Reagents

Dichloromethane is a commonly used general-purpose solvent in laboratories, particularly suitable for chemical analysis, sample preparation, and other applications.

6. Other Applications

- Metal Processing: Used as a metal cleaning agent to remove oil and cutting fluid residues from metal surfaces, especially suitable for cleaning precision metal parts. After cleaning, the metal surface dries quickly and leaves no residue.

- Aerosol Propellant: Used as a propellant in aerosol products (such as spray paints and cleaning aerosols), enabling even dispersion of the aerosol contents, resulting in good spraying performance. It is also non-flammable, offering higher safety.

- Petroleum Processing: Used as a dewaxing solvent in petroleum processing to remove waxy components from petroleum, improving the low-temperature fluidity of petroleum products and meeting usage requirements in different environments.

Usage precautions

Avoid contact with skin and eyes. Avoid inhalation of vapours.

Storage precautions

Keep containers tightly closed. Keep in original container. Keep away from heat, sparks and open flame. Unsuitable containers: copper, zinc, aluminium, copper alloy, zinc alloy, aluminium alloy.

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