Dimethyl Carbonate (DMC)

CAS No. 616-38-6

Product Overview

Dimethyl Carbonate (DMC) is a clear, colorless, low-toxicity organic carbonate widely used as an environmentally friendly solvent and chemical intermediate. It is recognized for its excellent solvency, low odor, high oxygen content, and biodegradability, making it an important substitute for traditional toxic solvents in modern chemical and energy applications.

DMC plays a critical role in lithium battery electrolytes, polycarbonate synthesis, pharmaceuticals, agrochemicals, coatings, and fuel additives. Due to its favorable safety and environmental profile, Dimethyl Carbonate is increasingly adopted in green chemistry and sustainable manufacturing processes.

Basic Chemical Information

  • Product Name: Dimethyl Carbonate

  • CAS Number: 616-38-6

  • Molecular Formula: C₃H₆O₃

  • Molecular Weight: 90.08 g/mol

  • Appearance: Colorless, transparent liquid

  • Odor: Mild, alcohol-like

  • Solubility: Slightly soluble in water; miscible with most organic solvents

Key Features and Advantages

  • Low toxicity and environmentally friendly

  • Excellent solvent performance with low residue

  • High chemical stability

  • Low boiling point and easy recovery

  • Suitable for green and sustainable chemical processes

Applications

Lithium Battery Electrolytes

Dimethyl Carbonate is a key solvent component in lithium-ion battery electrolytes, contributing to high ionic conductivity and stable electrochemical performance.

Chemical Intermediates

Used in the synthesis of polycarbonates, carbamates, methylating agents, and various specialty chemicals.

Solvents for Coatings and Inks

DMC provides good solubility for resins and additives while reducing VOC emissions.

Pharmaceuticals and Agrochemicals

Applied as a reaction solvent and intermediate in pharmaceutical and crop protection formulations.

Fuel Additives

Acts as an oxygenated fuel additive to improve combustion efficiency and reduce emissions.

Typical Specifications

Item Specification
Purity ≥ 99.9%
Water Content ≤ 0.02%
Acidity (as HCl) ≤ 0.001%
Density (20°C) ~1.07 g/cm³
Boiling Point ~90°C

Specifications can be adjusted according to customer requirements.

Packaging and Storage

  • Packaging: 200 kg iron drums, 1000 kg IBC tanks, ISO tanks

  • Storage: Store in a cool, dry, and well-ventilated area

  • Shelf Life: 12 months under proper storage conditions

Safety and Handling

Dimethyl Carbonate is flammable and should be handled with standard chemical safety precautions. Avoid contact with strong oxidizers and ignition sources. Use appropriate personal protective equipment during handling and transportation.

Frequently Asked Questions (FAQs)

Q1: Is Dimethyl Carbonate considered an environmentally friendly solvent?
A: Yes. DMC is widely regarded as a green solvent due to its low toxicity, biodegradability, and low environmental impact compared to traditional carbonate and ester solvents.

Q2: Can Dimethyl Carbonate be used in lithium-ion battery electrolytes?
A: Yes. DMC is one of the core solvents used in lithium-ion battery electrolyte formulations, providing excellent electrochemical stability.

Q3: What purity grades are available?
A: Dimethyl Carbonate is commonly supplied in industrial and battery-grade purities, typically ≥99.9%. Custom specifications are available upon request.

Q4: How is Dimethyl Carbonate packaged for export?
A: Standard export packaging includes iron drums, IBC tanks, and ISO tanks, suitable for international transportation.

Q5: Is Dimethyl Carbonate water-soluble?
A: It is slightly soluble in water and fully miscible with most organic solvents.

Contact Us

For pricing, specifications, samples, or technical support, please contact us:

Email: [email protected]
WeChat / WhatsApp: +86-186 5121 5887

We look forward to supporting your Dimethyl Carbonate sourcing needs with reliable quality and professional service.