TEP

Triethyl Phosphate (TEP) is a colorless, clear liquid with a mild, characteristic odor. It is a triester of phosphoric acid and ethanol. TEP is a versatile chemical that functions as a solvent, catalyst, and intermediate in various reactions. It also exhibits flame-retardant properties, particularly in cellulose resins and certain polymers.

  • Synonyms:

    TEP, Ethyl Phosphate, Phosphoric Acid Triethyl Ester,

  • Formula:

    C₆H₁₅O₄P‌


  • CAS NO.:

    78-40-0

  • Package:

    200KG Drum, 1000KG IBC Tote

  • Certificate:

    Reach, ISO9001

Our Achievement

Global Reach:Our Triethyl Phosphate (TEP) has been successfully exported and applied in key markets across the globe, including but not limited to the United States, Germany, Japan, India, and South Korea. Our product has consistent quality and ability to meet diverse international standards.


Equivalent Alternatives:Our product has served as a reliable alternative to Lanxess, ICL Industrial Products, Eastman, Jiangsu Victory Chemical for several local manufacturers, helping them reduce costs with comparable (or even superior) results in performance.


Key Applications
  • • Chemical Synthesis Catalyst
  • • Flame Retardant for Polymers
  • • Solvent for Cellulose Derivatives
  • • Pharmaceutical & Pesticide Intermediate
  • • Rubber Plasticizer
  • • Gasoline Additive
The main detailed uses of the product
  • Specialty Chemical Synthesis
    Specialty Chemical Synthesis

    Serves as an intermediate for synthesizing reactive surfactants and other specialty chemicals, leveraging its combination of a hydrophobic alkyl chain and a reactive epoxide group.

  • Chemical Intermediate
    Chemical Intermediate

    Used in the synthesis of other glycerol esters and agrochemicals.

  • Chemical Synthesis
    Chemical Synthesis

    An intermediate for the production of agrochemicals, pharmaceuticals, and other specialty chemicals.

  • Chemical Synthesis
    Chemical Synthesis

    Serves as an important feedstock and reaction medium in organic synthesis, including hydrogenation reactions and as a starting material for various cyclohexyl derivatives.

Why Choose Our TEP?

Versatile Functionality: Our TEP serves multiple roles as a catalyst, solvent, and intermediate, providing a flexible and efficient solution for diverse chemical processes and formulations.

High Purity and Consistent Performance: We guarantee high purity and consistent quality, ensuring reliable catalytic activity, solvency power, and flame retardant performance in your applications.

Reliable Supply for Industrial Processes: Our secure supply chain ensures the timely delivery of this essential chemical, supporting the continuous operation of your synthesis, manufacturing, and formulation processes.

Cost-Effective Multifunctional Additive: Our TEP offers a competitive combination of properties, delivering significant value as a catalyst, flame retardant, and solvent across multiple industries.

Commitment to Quality and Innovation


We are committed to providing high-quality Triethyl Phosphate (TEP) that meets stringent international standards. Our focus on innovation and sustainability ensures that our products not only enhance your applications but also align with evolving environmental regulations and industry trends.

Your questions about our products
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