Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Eastman NEP N-Ethylpyrrolidone

Eastman NEP N-Ethylpyrrolidone is a high-purity, low-odor polar aprotic solvent from Eastman’s NEP series. It offers superior solvency for polymers, resins, and electronics materials, with excellent thermal stability and low volatility. Widely used in lithium-ion battery electrolytes, coatings, and pharmaceutical synthesis, it serves as a versatile, performance-driven alternative to NMP.
  • eastman nep n ethylpyrrolidone_bfb5c1d6
  • eastman nep n ethylpyrrolidone_bfb5c1d6

Features Of Eastman NEP N-Ethylpyrrolidone

  1. High boiling point and low volatility enable extended processing windows in high-temperature applications.

  2. Excellent solvency for a broad range of resins, polymers, and dyes—including polyimides, PVDF, and acrylics.

  3. Low toxicity profile and favorable occupational exposure limits support safer handling versus alternative polar aprotic solvents.

  4. Good thermal and hydrolytic stability ensures consistent performance in demanding formulation environments.

  5. Miscible with water and most common organic solvents, facilitating versatile blending and process integration.

Typical Applications Of Eastman NEP N-Ethylpyrrolidone

  1. High-performance coatings for aerospace and automotive OEM finishes.

  2. Photoresist formulations in semiconductor lithography processes.

  3. Solvent carrier in lithium-ion battery electrode slurries (cathode/anode).

  4. Processing aid for specialty polymer films, including polyimide and fluoropolymer membranes.

  5. Active ingredient solvent in agricultural chemical formulations requiring low vapor pressure and high solvency.

Specifications Of Eastman NEP N-Ethylpyrrolidone

Chemical TypePolar aprotic solvent, cyclic amide
Product FormLiquid at room temperature
AppearanceClear, colorless liquid
OdorFaint, characteristic amide odor
Boiling Point (°C)213–215
Density (g/cm³ at 20°C)0.99–1.01
Refractive Index (n20D)1.468–1.472
Water SolubilityMiscible in all proportions


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