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Merck

934011

Sigma-Aldrich

Bis(2,2,2-trifluoroethyl) carbonate

greener alternative

≥99%, anhydrous, battery grade

Sinónimos:

BTC, BTFC, Bistrifluoroethyl carbonate, Carbonic Acid Bis(2,2,2-trifluoroethyl) Ester, Carbonic Acid;2,2,2-trifluoroethanol, DFDEC, TFEC

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About This Item

Fórmula empírica (notación de Hill):
C5H4F6O3
Número de CAS:
Peso molecular:
226.07
Comisión internacional de enzimas:
807-996-3
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.21

grade

battery grade

Quality Level

description

Application: Battery manufacturing

assay

≥99%

form

liquid

greener alternative product characteristics

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sustainability

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impurities

≤100 ppm H2O
≤250 ppm HF

bp

118 °C

density

1.51 g/mL

application(s)

battery manufacturing

greener alternative category

General description

Bis(2,2,2-trifluoroethyl) carbonate (DFDEC) is a colorless, odorless, and low viscosity liquid widely used in the battery industry as a high-performance electrolyte additive. Its excellent solubility and compatibility with other electrolyte components combined with its high thermal and electrochemical stability ensure outstanding performance in high-temperature and high-voltage applications. Our DFDEC is a highly pure and anhydrous chemical compound manufactured with a minimum purity of 99%.
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Application

Bis(2,2,2-trifluoroethyl) carbonate (DFDEC) is a highly effective electrolyte additive that is widely used in the battery industry to enhance the performance and stability of lithium-ion batteries. Its remarkable thermal and electrochemical stability make it an excellent choice for use in high-temperature and high-voltage applications. Recent studies have also highlighted other benefits of DFDEC in battery applications. For instance, it has been found that DFDEC can improve the cycle performance of lithium metal cells by forming a LiF-rich solid electrolyte interphase (SEI).[1,2] Additionally, flammability tests have shown that electrolytes containing over 60% v/v of DFDEC do not catch fire, demonstrating its potential as a flame-retardant.[3] These findings highlight the versatility and importance of DFDEC in the development of safe and high-performance battery technologies.

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Referencia del producto
Descripción
Precios

pictograms

FlameExclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

84.2 °F

flash_point_c

29 °C


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