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4-Fluoro-1,3-dioxolan-2-one CAS

Names and Identifiers

Name 4-Fluoro-1.3-dioxolan-2-one
Synonyms FEC
FloroEthylene carbonate
Fluoroethylene Carbonate
FLUOROETHYLENE CARBONATE
4-Fluoroethylene Carbonate
4-Fluoroethylene carbonate
4-FLUORO-1.3-DIOXALAN-2-ONE
4-Fluoro-1.3-dioxolan-2-one
4-Fluoro-1.3-Dioxalan-2-One
4-FLUORO-1.3-DIOXOLAN-2-ONE
FLUOROETHYLENE CARBONATE (FEC)
Fluoroethylene Carbonate (FEC)
[(2R,3S,5S)-3-hydroxy-5-[(5S)-5-methyl-2.4-dioxo-1.3-diazinan-1-yl]oxolan-2-yl]methyl [hydroxy(phosphonooxy)phosphoryl] hydrogen phosphate
CAS
EINECS 483-360-5
InChI InChI=1/C3H3FO3/c/h2H,1H2

Physico-chemical Properties

Molecular Formula C3H3FO3
Molar Mass 106.05
Density 1.454
Melting Point 18-23 °C
Boling Point 212℃
Flash Point >102°(216°F)
Water Solubility Slightly miscible with water.
Vapor Presure 51Pa at 25℃
Appearance Liquid
Color Colorless
Storage Condition 2-8°C
Sensitive Sensitive to heat
Refractive Index 1.3960 to 1.4000
MDL MFCD06247543
Use Usually used as an electrolyte additive in Lithium ion batteries. It enables the formation of thin, smooth and stable passive solid electrolyte interphase (SEI) layer, which is insoluble in the electrolyte, in turn increasing the cycling efficiecny a

Risk and Safety

Hazard Symbols Xn – Harmful
Risk Codes R22 – Harmful if swallowed
R36/38 – Irritating to eyes and skin.
R43 – May cause sensitization by skin contact
R48/22 – Harmful danger of serious damage to health by prolonged exposure if swallowed.
Safety Description S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37 – Wear suitable protective clothing and gloves.
WGK Germany 1
TSCA Yes
HS Code 29329990

Reference Information

LogP -0.435 at 20.1℃
EPA chemical information Information provided by: ofmpub.epa.gov (external link)
use fluoroethylene carbonate is an organic solvent-based electronic chemical, which can be used in lithium ion battery electrolyte. lithium ion secondary batteries assembled with positive and negative plates and battery separators are mainly used in the field of battery material research.


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