Ethyl Methyl Carbonate (EMC)
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Ethyl Methyl Carbonate (EMC)

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Other Trading Names:

  • Ethyl Methyl Carbonate (EMC)
  • EMC
  • Methyl Ethyl Carbonate
  • Carbonic Acid, Methyl Ethyl Ester
  • Ethyl Methyl Orthocarbonate

CAS Number: 623-53-0. 

HS Code: 2917.19.7050 

Types of Packaging: 

  • Drums
  • ISO tanks
  • Bulk containers
  • IBCs (Intermediate Bulk Containers)

Description

Introduction:

  • Ethyl Methyl Carbonate (EMC) is a transparent, colorless liquid.
  • It belongs to the carbonate esters group of organic compounds.
  • Its chemical formula is C4H8O3.

Physical Properties:

  • Density: Approximately 0.97 g/cm³.
  • Boiling Point: Ranges between 102-104 °C.
  • Melting Point: Around -55 °C.
  • Refractive Index: Typically lies between 1.370-1.373.
  • Flash Point: About 24-26 °C, making it flammable.
  • Solubility: Slightly soluble in water but has good miscibility with organic solvents.

Production:

  • EMC is produced through a transesterification reaction involving dimethyl carbonate (DMC) and ethanol.

Applications:

  • Battery Industry: EMC is a vital solvent in the electrolyte for lithium-ion batteries due to its appropriate solvent properties and good thermal stability.
  • Organic Synthesis: Used as an intermediate in the production of various chemicals.
  • Pharmaceuticals: Sometimes utilized as a solvent or reactant in the synthesis of specific drugs.

Safety and Handling:

  • EMC is flammable, both in liquid form and as a vapor. It should be kept away from open flames, sparks, or hot surfaces.
  • It can cause eye, skin, and respiratory irritation upon exposure. Hence, proper personal protective equipment (PPE) such as gloves, safety glasses, and adequate ventilation are essential during handling.
  • As with many organic solvents, it is advisable to avoid prolonged or repeated skin contact.

Environmental Impact:

  • If released into the environment, EMC can have detrimental effects on aquatic life. Thus, responsible disposal and handling practices are crucial.
  • It’s biodegradable, which means that given time, it will break down in the environment.

Storage:

  • Should be stored in cool, dry places away from light and moisture to retain its properties.
  • In industrial settings, it’s typically stored in stainless steel or high-density polyethylene containers due to its solvent properties.

Regulatory Aspects:

  • Being a chemical of commercial importance, EMC is subject to various regulations worldwide, especially when it comes to transportation and safety.

Market Dynamics:

  • The demand for EMC has grown, particularly in regions with significant lithium-ion battery production, due to the surge in electric vehicle adoption.

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