Ethylene Carbonate (EC)

$100.00Price Per Ton

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  • ISO Tank
  • 250kg Iron Drum
  • IBC Container

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Ethylene Carbonate (EC)
$100.00Price Per Ton

Ethylene carbonate (EC) is an organic compound with the chemical formula C3H4O3. It is a colorless to yellowish liquid with a faint odor. Here are some key points about ethylene carbonate:

  1. Chemical Structure: Ethylene carbonate is a cyclic carbonate ester, consisting of a five-membered ring containing three carbon atoms, one oxygen atom, and two ether functional groups. Its structure can be represented as (-O-(C=O)-O-)CH2CH2O.
  2. Production: Ethylene carbonate can be synthesized through the reaction of ethylene oxide with carbon dioxide in the presence of a catalyst, such as an organic base or a metal salt. The reaction typically occurs under high pressure and elevated temperatures.
  3. Properties:
    • Solvent: Ethylene carbonate is a polar solvent with high dielectric constant and good solvency for polar and ionic compounds. It is miscible with many organic solvents but has limited solubility in water.
    • High Boiling Point: Ethylene carbonate has a relatively high boiling point of around 248°C (478°F), which makes it useful for high-temperature applications.
    • Viscosity: Ethylene carbonate has a relatively high viscosity compared to other common solvents, which can affect its handling and processing in various applications.
    • Stability: Ethylene carbonate is stable under normal conditions but can undergo hydrolysis in the presence of water or strong acids to form ethylene glycol and carbon dioxide.
  4. Uses:
    • Electrolyte Additive: Ethylene 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: Ethylene carbonate is used as a chemical intermediate in the synthesis of various organic compounds, including pharmaceuticals, plasticizers, and specialty chemicals. It serves as a building block for the production of other cyclic carbonates and carbonate derivatives.
    • Industrial Applications: Ethylene carbonate is utilized in various industrial processes, such as electrolyte formulations for capacitors, solvent-based coatings, and as a stabilizer for PVC resins.
  5. Safety Considerations: While ethylene 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 ethylene carbonate to minimize exposure risks.

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