Dimethyl Carbonate (DMC) CAS No 616-38-6 is a colorless, fast evaporating, mild non-offensive odor VOC exempt solvent with a wide range of applications. It is used in the manufacturing of lithium-ion batteries, production of polycarbonates, lubricants, polyurethanes, cleaning and degreasing solvents, construction materials such as paints and adhesives, fuel additives, and in biodiesel production.
Dimethyl Carbonate (DMC) is also considered a green reagent. It is used as a methylating and carbonylating reagent in organic synthesis.
| CAS No.: | 616-38-6 |
|---|---|
| EC No.: | 210-478-4 |
| Linear Formula: | (CH₃O)₂CO |
| Molecular Weight: | 90.08 |
| Appearance: | Clear, colorless liquid. |
| Odor: | Mild, sweet, ester-like odor. |
| Melting Point: | 2-4 °C (lit.) |
| Boiling point: | 90 °C (lit.) |
| Density: | 1.069 g/mL at 25 °C (lit.) |
| Solubility: | Slightly soluble in water; miscible with most organic solvents, including alcohols, ketones, and esters. |
| Flash Point: | 65 °F |
Dimethyl Carbonate (DMC) - Applications
1. Solvent in Organic Synthesis
DMC serves as a valuable solvent in organic synthesis processes due to its ability to dissolve a wide range of organic compounds. It is particularly useful in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Its low toxicity and environmentally friendly nature make it an ideal replacement for more hazardous solvents like methylene chloride and dichloromethane.
2. Lithium-ion Batteries
In the field of energy storage, DMC plays a role as an electrolyte solvent in lithium-ion batteries. It improves battery performance by enhancing the conductivity of lithium salts and increasing the efficiency of the battery.
3. Polycarbonate Production
DMC is a key intermediate in the production of polycarbonates, which are widely used in the manufacture of eyeglass lenses, CDs, DVDs, and various other consumer products. Its role in this process involves the synthesis of polycarbonate precursors through reactions with bisphenol-A (BPA) or other diols.
4. Fuel Additive
As an oxygenate fuel additive, DMC has been explored as a potential component in gasoline formulations. Its oxygen content can enhance combustion efficiency and reduce emissions of pollutants like carbon monoxide and hydrocarbons, contributing to cleaner fuel options.
5. Coating and Paint Industry
DMC finds application in the production of coatings and paints due to its solvency properties. It can act as a carrier solvent in formulations for paints, coatings, and surface treatments, offering advantages such as low volatility and reduced environmental impact compared to traditional solvents.
6. Pharmaceuticals and Cosmetics
Within the pharmaceutical industry, DMC serves as a solvent in the production of drugs and pharmaceutical intermediates. Its low toxicity and ability to dissolve various compounds make it a preferred choice for certain pharmaceutical formulations. Additionally, it's utilized in cosmetics as a solvent or as an ingredient in personal care products.
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