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Solvent

Methyl 2,2,2-trifluoroethyl carbonate (FEMC)

Solvent available by request for quote from Winigen Materials.

Product Details

Methyl 2,2,2-trifluoroethyl carbonate

Methyl 2,2,2-trifluoroethyl carbonate (FEMC) is a fluorinated carbonate co-solvent used to study oxidation stability, interphase chemistry, and lower-flammability electrolyte design..

Category
Solvent
Abbreviation
FEMC
CAS Number
156783-95-8
Availability
RFQ

Typical Specification

  • Water: < 100 ppm
  • Grade: Battery material grade
  • Physical: Transparent liquid.
  • Formula: C4H5F3O3

Technical Selection Guide

Why is Methyl 2,2,2-trifluoroethyl carbonate (FEMC) used in battery electrolytes?

Methyl 2,2,2-trifluoroethyl carbonate (FEMC) is a fluorinated carbonate co-solvent used to study oxidation stability, interphase chemistry, and lower-flammability electrolyte design.

Why developers evaluate it

  • Relevant to high-voltage fluorinated carbonate blends
  • Provides a distinct viscosity, polarity, or coordination profile
  • Useful in controlled solvent-blend comparisons

Development considerations

  • Screen gas, viscosity, conductivity, and electrode compatibility
  • 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

Methyl 2,2,2-trifluoroethyl carbonate (C4H5F3O3) 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 Methyl 2,2,2-trifluoroethyl carbonate (FEMC) used for?

Methyl 2,2,2-trifluoroethyl carbonate (FEMC) 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 Methyl 2,2,2-trifluoroethyl carbonate (FEMC)?

The CAS number shown for Methyl 2,2,2-trifluoroethyl carbonate (FEMC) is 156783-95-8.

What specifications are shown for Methyl 2,2,2-trifluoroethyl carbonate (FEMC)?

The target specifications currently shown are Water: < 100 ppm; Grade: Battery material grade; Physical: Transparent liquid.. Final specifications, documentation, and available quantity can be confirmed during RFQ.

Can I request a quote for Methyl 2,2,2-trifluoroethyl carbonate (FEMC)?

Yes. Use the request quote button on this page to pre-fill the product interest, category, and target specifications for Methyl 2,2,2-trifluoroethyl carbonate (FEMC).