358-63-4 | Tris(2,2,2-trifluoroethyl) phosphate

CAS:358-63-4 | Tris(2,2,2-trifluoroethyl) phosphate ,Description

Tris(2,2,2-trifluoroethyl) phosphate (Tris-TFP) is a colorless, odorless, and non-flammable liquid which is widely used in laboratories and industrial applications. It is a highly effective solvent for organic compounds, and is also used as a buffer in biochemical and physiological experiments. It is also used as a lubricant in many industrial processes. Tris-TFP is a tri-functional phosphate ester, and is composed of three trifluoroethyl groups attached to a phosphorus atom. 
 

Scientific Research Applications

Electrolyte Component in Lithium-Ion Batteries

Tris(2,2,2-trifluoroethyl) phosphate has been studied for its application in lithium-ion batteries. A notable example includes its use in a safe electrolyte mixture containing lithium difluoro(oxalato)borate and propylene carbonate, enhancing the cycle performances and rate performance of lithium-ion batteries (Gu et al., 2020). It imparts non-flammable characteristics and improves wettability to separators and electrodes.

Chemical Reagent in Organic Synthesis

This compound has been used as a reagent in the alkylation of aromatic amines, particularly for introducing a trifluoroethyl group into these compounds. It is effective except in amines with specific substituents like N-alkyl, hydroxyl, or alkoxyl (Bissell, 1977) .

Synthesis of Mixed Unsymmetrical Phosphates

In the synthesis of mixed unsymmetrical phosphate triesters, tris(2,2,2-trifluoroethyl) phosphate is utilized. This method, involving a three-step substitution, facilitates the preparation of these phosphates from various alcohols (Tsubaki et al., 2019).

Flame-Retarding Additive for Electrolytes

This compound is synthesized as a flame-retarding solvent and studied for its effects on the physicochemical properties of electrolytes in lithium-ion batteries. Its addition results in reduced flammability and vapor pressure but lowers conductivity by increasing viscosity and reducing the dielectric constant of solvents (Ding et al., 2002).

Enhancing Electronic and Ionic Conductivities

Tris(2,2,2-trifluoroethyl) phosphate has been investigated for enhancing both electronic and ionic conductivities of cathode electrolyte interphases in high-voltage lithium-ion batteries. It demonstrates a synergistic effect on the optimization of conductivity in these batteries (Liang et al., 2019).

Preparation for Use in Lithium-Ion Batteries

The process of preparing high-purity tris(2,2,2-trifluoroethyl) phosphate has been optimized for use in lithium-ion batteries. The refined product meets the requirements for battery applications and demonstrates effective flame-retarding properties (Xiao-lei, 2010).

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