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HomeProduct name listEthyl 1,1,2,2-tetrafluoroethyl ether

Ethyl 1,1,2,2-tetrafluoroethyl ether

Ethyl 1,1,2,2-tetrafluoroethyl ether Structural

What is Ethyl 1,1,2,2-tetrafluoroethyl ether?

Description

Ethyl 1,1,2,2-tetrafluoroethyl ether (ETFE) is a fluorinated linear ether with several fundamental properties that make it useful in batteries. First, ETFE is miscible with many polar organic solvents used in electrolyte formulations, which improves the ionic conductivity of the battery. Additionally, ETFE has a relatively low viscosity (486 mPa?s at 23 °C) and a low boiling point (58 °C), which make it a versatile diluent for low-temperature applications.

The Uses of Ethyl 1,1,2,2-tetrafluoroethyl ether

Ethyl 1,1,2,2-tetrafluoroethyl ether (ETFE) is a highly effective additive in lithium-ion and sodium-ion batteries for improving battery performance, increasing safety, and reducing flammability. ETFE is a versatile co-solvent with high miscibility, which allows it to be blended with other solvents to achieve high ionic conductivities. It is also a good SEI-forming electrolyte additive, stabilizing the Na electrode surface and enhancing the stability of high-voltage batteries. ETFE is particularly useful as an electrolyte co-solvent in lithium-sulfur (Li-S) batteries. Studies have shown that ETFE-containing electrolytes improve the stability of the electrolyte/anode interface and enhance the cycling, rate, and self-discharging of the Li-S cell more than glyme-based cosolvents or unblended solvents.

Properties of Ethyl 1,1,2,2-tetrafluoroethyl ether

Boiling point: 57 °C
Density  1.198
refractive index  1.294
Flash point: 56-58°C
form  clear liquid
color  Colorless to Almost colorless
Specific Gravity 1.198
CAS DataBase Reference 512-51-6(CAS DataBase Reference)
EPA Substance Registry System Ethane, 1-ethoxy-1,1,2,2-tetrafluoro- (512-51-6)

Safety information for Ethyl 1,1,2,2-tetrafluoroethyl ether

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H225:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for Ethyl 1,1,2,2-tetrafluoroethyl ether

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