Name: Ethyl Methyl Carbonate (EMC)
Brand: Euro Chemical Supplies

Ethyl methyl carbonate (EMC) is an organic compound with the chemical formula C4H8O3. It is a colorless, flammable liquid with a slightly sweet odor. Here are some key points about ethyl methyl carbonate:

Chemical Structure: Ethyl methyl carbonate is an ester, consisting of ethyl and methyl groups attached to a carbonate functional group (C(=O)(O-)O-). It has a linear structure and belongs to the family of carbonates.
Production: Ethyl methyl carbonate can be synthesized through the reaction of methanol with ethylene carbonate or by the esterification of methyl chloroformate with ethanol. It can also be obtained as a byproduct in the synthesis of dimethyl carbonate.
Properties:
- Solvent: Ethyl methyl carbonate is a polar solvent with good solvency for a wide range of organic compounds, including polar and nonpolar substances. It is miscible with many organic solvents but has limited solubility in water.
- Low Toxicity: Ethyl methyl carbonate is considered to have low toxicity and is generally regarded as safe for its intended uses. However, like other organic solvents, it should be handled with care and proper safety precautions.
- Flammability: Ethyl methyl carbonate is flammable and should be stored and handled away from ignition sources and open flames.
Uses:
- Electrolyte Additive: Ethyl methyl carbonate is commonly used as a solvent and electrolyte additive in lithium-ion batteries. It improves the performance and stability of lithium-ion batteries by enhancing the electrolyte's conductivity, increasing the battery's energy density, and reducing the risk of dendrite formation.
- Chemical Intermediate: Ethyl methyl carbonate is used as a chemical intermediate in the synthesis of various organic compounds, including pharmaceuticals, agrochemicals, and specialty chemicals. It serves as a building block for the production of other esters and carbonate derivatives.
- Solvent in Organic Synthesis: Ethyl methyl carbonate is utilized as a solvent in organic synthesis reactions, particularly those involving polar compounds or sensitive functional groups. It can facilitate reactions under mild conditions and is often preferred for its low toxicity and environmental compatibility.
Safety Considerations: While ethyl methyl carbonate is generally considered to have low toxicity, it can still pose hazards if handled improperly. Exposure to high concentrations of vapors may cause irritation to the eyes, respiratory tract, and skin. Adequate ventilation and personal protective equipment (PPE) should be used when working with ethyl methyl carbonate to minimize exposure risks.

Ethyl Methyl Carbonate (EMC)

Product description

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