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Organic compound like Dimethyl Carbonate (Solvent Industrial Grade) is categorized under carbonate ester. Available in liquid form, this compound is flammable and it has no color. This chemical is used to formulate floor coating and architectural coating materials. As suitable raw material, this chemical is needed for successful execution of organic synthesis process. It is used as integral part of chemical reactions that involve carbomethoxylation and methylation. It has been tested on the basis of its storage life, composition and stability of its properties.
Dimethyl Carbonate Properties:
1. Physical State: Dimethyl carbonate is a colorless liquid at room temperature.
2. Odor: It has a fruity or ethereal odor.
3. Chemical Formula: (CH3O)2CO
4. Molecular Weight: The molecular weight of dimethyl carbonate is approximately 90.08 g/mol.
5. Density: The density of DMC is around 1.069 g/cm3 at 20 degree centigrade.
6. Melting Point: Dimethyl carbonate has a melting point of -43.0 degree centigrade.
7. Boiling Point: The boiling point of DMC is approximately 90.3 degree centigrade.
8. Flash Point: It has a flash point of around 15 degree centigrade. This indicates its flammable nature.
9. Solubility: Dimethyl carbonate is miscible with many organic solvents, such as ethanol, acetone, and chloroform. It is also miscible with water to some extent.
10. Vapor Pressure: The vapor pressure of dimethyl carbonate is relatively low.
11. Reactivity: DMC can react with acids and bases. It is stable under normal conditions but can decompose at elevated temperatures.
12. Toxicity: Dimethyl carbonate is considered to have low toxicity. However, like any chemical, it should be handled with care, and exposure should be minimized.
13. Biodegradability: DMC is biodegradable, making it environmentally friendly compared to some other organic solvents.
14. Flammability: Dimethyl carbonate is flammable and should be handled with appropriate precautions.
15. Green Properties: Due to its low toxicity, biodegradability, and potential to replace more harmful solvents in various applications, dimethyl carbonate is often considered a "green" or environmentally friendly chemical.
Dimethyl Carbonate Applications:
1. Solvent: DMC is often used as a green solvent in the production of coatings, paints, and adhesives. It can replace traditional solvents with higher volatility and environmental impact.
2. Lithium-Ion Battery Electrolyte Additive: DMC is used as an electrolyte additive in lithium-ion batteries to improve their performance and safety. It helps enhance the stability and conductivity of the electrolyte.
3. Polycarbonate Production: DMC is a key intermediate in the production of polycarbonates, a type of high-performance plastic. Polycarbonates find applications in the manufacturing of eyeglass lenses, compact discs, and various electronic components.
4. Pharmaceuticals: DMC is employed in pharmaceutical synthesis as a reagent and solvent. It has applications in the production of various pharmaceutical intermediates and active ingredients.
5. Pesticides and Herbicides: DMC is used in the synthesis of certain pesticides and herbicides, contributing to the agricultural industry.
6. Gasoline Additive: DMC can be used as an oxygenate additive in gasoline, helping to reduce air pollution and enhance combustion efficiency.
7. Clean Fuel Additive: DMC is considered a green fuel additive that can improve the combustion properties of diesel and reduce emissions.
8. Plasticizers: It can be employed as a plasticizer in the production of plastics, making them more flexible and resilient.
9. Carbonate Source in Organic Synthesis: DMC serves as a carbonate source in various organic synthesis reactions, participating in the formation of carbamates, carbonates, and other compounds.
10. Cosmetics and Personal Care Products: DMC is used in the formulation of some cosmetics and personal care products due to its solubilizing properties and low toxicity.
11. Paint Stripping: DMC is used as a component in paint stripping formulations, providing an effective and less hazardous alternative to traditional paint removers.
Dimethyl Carbonate FAQ:
Q. What is Dimethyl Carbonate (DMC)?
Ans: Dimethyl carbonate is a chemical compound with the formula (CH3O)2CO. It is a colorless, flammable liquid with a fruity odor. DMC is a carbonate ester and is considered a green solvent due to its low toxicity and environmental friendliness.
Q. How is Dimethyl Carbonate Produced?
Dimethyl carbonate can be produced through the reaction of phosgene with methanol or via transesterification of propylene carbonate with methanol. Both methods involve the use of catalysts and careful control of reaction conditions.
Q. What are the Key Properties of DMC?
Dimethyl carbonate has properties such as being miscible with many organic solvents, having a high boiling point, low toxicity, and a relatively high flash point. It is also considered biodegradable.
Q. What are the Main Applications of Dimethyl Carbonate?
DMC has diverse applications, including use as a solvent in coatings and adhesives, an electrolyte additive in lithium-ion batteries, a precursor in polycarbonate production, a fuel additive, and a chemical intermediate in pharmaceuticals and pesticides.
Q. Is Dimethyl Carbonate Environmentally Friendly?
Yes, dimethyl carbonate is often considered environmentally friendly. It is less toxic compared to some traditional solvents, and its use can contribute to reducing environmental impact in various industries.
Q. How is Dimethyl Carbonate Used in Lithium-Ion Batteries?
DMC is used as an electrolyte additive in lithium-ion batteries to improve performance and safety. It helps enhance the stability and conductivity of the electrolyte, contributing to better battery performance.
Q. Is Dimethyl Carbonate Flammable?
Yes, dimethyl carbonate is flammable. It has a flash point, and appropriate safety measures should be taken when handling and storing this chemical.
Q. Can Dimethyl Carbonate Replace Other Solvents in Coatings and Adhesives?
Yes, dimethyl carbonate can replace traditional solvents with higher volatility in coatings, paints, and adhesives. Its use contributes to lower emissions and a reduction in the environmental impact of these products.
Q. Is Dimethyl Carbonate Used in the Production of Plastics?
Yes, dimethyl carbonate is used as an intermediate in the production of polycarbonates, which are high-performance plastics used in various applications, including eyeglass lenses and electronic components.
Q. Is Dimethyl Carbonate Biodegradable?
Yes, dimethyl carbonate is considered biodegradable, which is a positive aspect in terms of its environmental impact.
Q. Is Dimethyl Carbonate Regulated?
Regulations regarding the handling, transportation, and use of dimethyl carbonate may vary by region and application. It's essential to be aware of and comply with relevant regulations and safety guidelines.