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Solvent

Ethylene carbonate (EC)

Solvent available by request for quote from Winigen Materials.

Product Details

Ethylene carbonate

Ethylene carbonate (EC) is a high-dielectric cyclic carbonate historically used to dissolve lithium salts and support graphite-anode SEI formation.

Category
Solvent
Abbreviation
EC
CAS Number
96-49-1
Availability
RFQ

Typical Specification

  • Water: < 100 ppm
  • Grade: Battery material grade
  • Physical: Colorless transparent liquid above 35°C; crystalline solid at room temperature.
  • Formula: C3H4O3

Technical Selection Guide

Why is Ethylene carbonate (EC) used in battery electrolytes?

Ethylene carbonate (EC) is a high-dielectric cyclic carbonate historically used to dissolve lithium salts and support graphite-anode SEI formation. It is normally blended with lower-viscosity linear carbonates.

Why developers evaluate it

  • Relevant to graphite-compatible carbonate baselines
  • Provides a distinct viscosity, polarity, or coordination profile
  • Useful in controlled solvent-blend comparisons

Development considerations

  • Manage high melting point, viscosity, gas, and silicon-anode interactions
  • Measure conductivity and viscosity in the final salt concentration
  • Validate formation, gas, storage, and temperature behavior in cells

How to compare it

A solvent should not be selected from boiling point or dielectric constant alone. Compare matched formulations for salt solubility, ionic conductivity, viscosity, electrode wetting, first-cycle efficiency, EIS, gas, and retention over the intended temperature range.

Technical Profile

Battery Solvent Applications

Ethylene carbonate (C3H4O3) is a battery solvent for electrolyte blending, low-moisture formulation work, and compatibility screening. It can be evaluated in lithium-ion, sodium-ion, and specialty electrolyte systems where solvent ratio, viscosity, wetting, and electrochemical stability affect performance.

  • Low-moisture electrolyte solvent blending
  • Carbonate, ether, nitrile, or fluorinated solvent-system development
  • Lithium-ion and sodium-ion electrolyte formulation studies
  • Custom electrolyte baselines and application-specific screening

Product FAQ

Common Questions

What is Ethylene carbonate (EC) used for?

Ethylene carbonate (EC) is used or screened for battery electrolyte solvent blending and custom electrolyte formulation. Winigen Materials can support RFQ-based supply and related electrolyte or battery materials development discussions.

What is the CAS number for Ethylene carbonate (EC)?

The CAS number shown for Ethylene carbonate (EC) is 96-49-1.

What specifications are shown for Ethylene carbonate (EC)?

The target specifications currently shown are Water: < 100 ppm; Grade: Battery material grade; Physical: Colorless transparent liquid above 35°C; crystalline solid at room temperature.. Final specifications, documentation, and available quantity can be confirmed during RFQ.

Can I request a quote for Ethylene carbonate (EC)?

Yes. Use the request quote button on this page to pre-fill the product interest, category, and target specifications for Ethylene carbonate (EC).