Preservatives

Methylene Chloride (Dichloromethane, DCM) – High-Purity Solvent for Industrial Applications

  • Type Solvent
  • E No.
  • CAS No. 75-09-2
  • Qty in 20' FCL 21.6
  • Packaging 270kg drums

📌 Detailed Introduction of Methylene Chloride (DCM)

✔ What is Methylene Chloride?

Methylene chloride (also known as Dichloromethane or DCM) is a colorless, volatile liquid with a mild sweet odor. It is widely used as a powerful solvent in chemical processing, paint stripping, pharmaceuticals, and metal cleaning.

✔ CAS Number & Chemical Formula:

  • CAS Number: 75-09-2

  • Chemical Formula: CH₂Cl₂

  • Molecular Weight: 84.93 g/mol


📌 Product Specifications

PropertySpecification
AppearanceColorless, volatile liquid
Purity (%)≥ 99.9
Boiling Point (°C)39.6
Density (g/cm³ at 20°C)1.325
Water Content (%)≤ 0.02
Chloride (Cl, ppm)≤ 5
Acidity (as HCl, %)≤ 0.001
Non-Volatile Residue (%)≤ 0.002
OdorMild sweet
Packing250kg drums or ISO tanks

📌 Applications of Methylene Chloride (DCM)

✔ Paint & Coating Industry

  • Powerful paint remover and stripper for industrial and consumer applications.

  • Used in varnish and coating formulations due to its strong solvency.

✔ Pharmaceutical Industry

  • Acts as a solvent in drug formulation and pharmaceutical extractions.

  • Used in the production of antibiotics, steroids, and vitamins.

✔ Adhesives & Resin Production

  • Employed in polyurethane foam manufacturing.

  • Used as a solvent in adhesives, epoxy resins, and polymer processing.

✔ Metal Cleaning & Degreasing

  • Ideal for removing grease, oil, and contaminants from metal surfaces.

  • Used in precision cleaning of aerospace and automotive components.

✔ Chemical Processing & Extraction

  • Serves as an extraction solvent in food processing (e.g., caffeine extraction from coffee).

  • Used in synthetic chemical reactions as a reaction medium.

✔ Foam Blowing Agent

  • Used in the production of polyurethane foams for furniture and insulation.


📌 How Does Methylene Chloride Work?

  1. Powerful Solvent Action:

    • Effectively dissolves paints, coatings, adhesives, and organic materials.

  2. Rapid Evaporation & Low Residue:

    • Ensures quick drying and minimal residue in cleaning applications.

  3. Selective Extraction Ability:

    • Used in chemical extractions for food, pharmaceuticals, and research.


📌 Production Method & Raw Materials

✔ Chemical Synthesis Process:

  1. Raw Materials: Methane & Chlorine gas

  2. Reaction: Chlorination of methane (CH₄) to produce methyl chloride, which is further chlorinated to form dichloromethane (DCM).

  3. Purification & Distillation: The crude DCM is distilled and purified to obtain high-purity methylene chloride.


📌 Safety & Handling Precautions

  • Use in a well-ventilated area to prevent inhalation of vapors.

  • Wear protective gloves, goggles, and clothing during handling.

  • Store in tightly sealed containers away from heat, sparks, and open flames.

  • Avoid prolonged exposure, as DCM can have health risks such as dizziness, irritation, and long-term toxicity.


📌 Famous Methylene Chloride (DCM) Brands Worldwide

  • Dow Chemical (USA)

  • Occidental Chemical (OxyChem, USA)

  • Solvay (Belgium)

  • AkzoNobel (Netherlands)

  • Jiangsu Khonor Chemicals Co., Limited (China)


📌 Why Choose Jiangsu Khonor Chemicals Co., Limited?

High-Purity & Industrial-Grade Methylene Chloride
Competitive Pricing & Reliable Supply Chain
Bulk Packaging Options (Drums & ISO Tanks)
Strict Quality Control & Compliance
Global Distribution & Fast Delivery


📌 Order High-Quality Methylene Chloride from Jiangsu Khonor Chemicals Co., Limited!

Looking for a trusted supplier of methylene chloride (Dichloromethane, DCM)? We provide top-quality solvents for industrial, pharmaceutical, and chemical applications.

📞 Contact us today for pricing & technical details!

Methylene Chloride (Dichloromethane, DCM) – Basic Information

  • Chemical Name: Methylene Chloride (Dichloromethane)

  • Chemical Formula: CH₂Cl₂

  • CAS Number: 75-09-2

  • Molecular Weight: 84.93 g/mol

  • Appearance: Colorless, volatile liquid with a sweet, chloroform-like odor

  • Boiling Point: 39.6°C (103.3°F)

  • Density: 1.33 g/cm³ at 20°C

  • Solubility: Slightly soluble in water (~1.3 g/100 mL) but miscible with most organic solvents

  • Vapor Pressure: 47.4 kPa at 20°C

Key Applications

  • Industrial Solvent: Used in paint removers, adhesives, and degreasing agents.

  • Chemical Processing: A reaction medium in the pharmaceutical and chemical industries.

  • Aerosol Propellant: Previously used in spray products, though restricted in some regions.

  • Foam Blowing Agent: Used in manufacturing polyurethane foams.

  • Laboratory Use: Common extraction solvent in research and industrial labs.

Health & Safety Considerations

  • Toxicity: Can cause dizziness, nausea, and central nervous system depression upon inhalation.

  • Carcinogenicity: Classified as a possible human carcinogen (Group 2A, IARC).

  • Regulations: Usage is restricted or banned in certain applications due to health concerns.

  • Handling: Requires ventilation, protective equipment (gloves, goggles, respirator), and proper storage away from heat sources.

Inspection   Item

Measurement   Units

Qualified  Result

Purity

99. 95% min

 

Chroma(APHA)

10

Water content

0.010%

Acidity(HCL)

0.0004%

Residue on evaporation

0.0015%

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