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114435-02-8
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114435-02-8
Product Name: Fluorinated Ethylene Carbonate
English alias: 4-Fluoro-1,3-dioxolan-2-one 97%; FloroEthylenecarbonate; FLUOROETHYLENECARBONATE;4-FLUORO-1,3-DIOXOLAN-2ONE;4Fluoroethylenecarbonate;FLUOROETHYLENECARBONATE(FEC);4Chemicalbook-FLUORO-1,3-DIOXALAN-2-ONE;[(2R,3S,5S)-3-hydroxy-5-[(5S)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl[hydroxy(phosphonooxy)phosphoryl]hydrogenphosphate
CAS number: 114435-02-8
Molecular formula: C3H3FO3
Appearance: Colorless to pale yellow transparent liquid at room temperature, with a slight ether odor
Conventional packaging: 20kg/drum; 1L small package
Fluorinated ethylene carbonate (FEC), molecular weight 106.05, relative density 1.454, melting point 25 ℃, boiling point 249, colorless and transparent liquid. It can serve as both a solvent and an additive. As a solvent, its relative dielectric constant is as high as 102, higher than EC, which is conducive to the good dissociation of lithium salts. Its melting point is about 10 degrees lower than EC, and its molecular structure contains fluorine atoms, which is conducive to the infiltration of the battery cell system, and is very beneficial for the capacity and low-temperature performance of the battery. Due to the absence of easily polymerizable structures such as double chemical book bonds in the molecule, using FEC as a solvent has the aforementioned advantages. As an additive, it can also enhance the capacity and low-temperature performance of batteries. Due to the good oxidation resistance of fluorine-containing structures, FEC is also commonly used in high-voltage systems, with usage ranging from 3% to 10%.
No. | Item | Standard |
1 | Appearance | Colorless to pale yellow transparent liquid |
2 | Melting point |
18-23 °C |
3 | Assay | ≥99% |
Fluorinated vinyl carbonate is an organic solvent based electronic chemical that can be used in lithium-ion battery electrolytes. It is mainly used in the field of battery material research for lithium-ion secondary batteries assembled with positive and negative electrode sheets and battery separators.
Fluorinated vinyl carbonate is a low toxicity substance with an acute oral toxicity (LD50) greater than 2000mg/kg (rats). It may cause a slight degreasing sensation upon skin contact (prolonged exposure to high concentrations), and inhalation of high concentrations of vapor (>500ppm) may cause mild respiratory irritation. Wear nitrile protective gloves , chemical resistant goggles, and a half face gas mask during operation to avoid direct skin contact and inhalation of vapors; If accidentally in contact with the skin, rinse immediately with running water for at least 15 minutes. If accidentally in the eyes, rinse with a large amount of physiological saline and seek medical attention promptly; Electronic grade products should be kept out of reach of children.
It needs to be stored in a cool, dark, and well ventilated warehouse with a temperature controlled between 5-30 ℃. It should be kept away from direct sunlight (brown packaging must be used or a shading board must be installed in the warehouse to prevent oxidation and deterioration caused by light exposure), and kept away from heat sources (such as heating pipes, boilers, heating equipment) and fire sources. Explosion proof lighting fixtures and ventilation equipment should be equipped in the warehouse, and open flame work is strictly prohibited.
During transportation, it is necessary to load and unload gently. When using forklifts or pallets for handling, avoid collisions and squeezing of packaging (especially the sealing caps of stainless steel drums and glass bottles) to prevent packaging damage and leakage; When manually handling small packages (1L glass bottles), anti slip gloves should be worn, and throwing or rolling is strictly prohibited to avoid glass bottle breakage.
Product Name: Fluorinated Ethylene Carbonate
English alias: 4-Fluoro-1,3-dioxolan-2-one 97%; FloroEthylenecarbonate; FLUOROETHYLENECARBONATE;4-FLUORO-1,3-DIOXOLAN-2ONE;4Fluoroethylenecarbonate;FLUOROETHYLENECARBONATE(FEC);4Chemicalbook-FLUORO-1,3-DIOXALAN-2-ONE;[(2R,3S,5S)-3-hydroxy-5-[(5S)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl[hydroxy(phosphonooxy)phosphoryl]hydrogenphosphate
CAS number: 114435-02-8
Molecular formula: C3H3FO3
Appearance: Colorless to pale yellow transparent liquid at room temperature, with a slight ether odor
Conventional packaging: 20kg/drum; 1L small package
Fluorinated ethylene carbonate (FEC), molecular weight 106.05, relative density 1.454, melting point 25 ℃, boiling point 249, colorless and transparent liquid. It can serve as both a solvent and an additive. As a solvent, its relative dielectric constant is as high as 102, higher than EC, which is conducive to the good dissociation of lithium salts. Its melting point is about 10 degrees lower than EC, and its molecular structure contains fluorine atoms, which is conducive to the infiltration of the battery cell system, and is very beneficial for the capacity and low-temperature performance of the battery. Due to the absence of easily polymerizable structures such as double chemical book bonds in the molecule, using FEC as a solvent has the aforementioned advantages. As an additive, it can also enhance the capacity and low-temperature performance of batteries. Due to the good oxidation resistance of fluorine-containing structures, FEC is also commonly used in high-voltage systems, with usage ranging from 3% to 10%.
No. | Item | Standard |
1 | Appearance | Colorless to pale yellow transparent liquid |
2 | Melting point |
18-23 °C |
3 | Assay | ≥99% |
Fluorinated vinyl carbonate is an organic solvent based electronic chemical that can be used in lithium-ion battery electrolytes. It is mainly used in the field of battery material research for lithium-ion secondary batteries assembled with positive and negative electrode sheets and battery separators.
Fluorinated vinyl carbonate is a low toxicity substance with an acute oral toxicity (LD50) greater than 2000mg/kg (rats). It may cause a slight degreasing sensation upon skin contact (prolonged exposure to high concentrations), and inhalation of high concentrations of vapor (>500ppm) may cause mild respiratory irritation. Wear nitrile protective gloves , chemical resistant goggles, and a half face gas mask during operation to avoid direct skin contact and inhalation of vapors; If accidentally in contact with the skin, rinse immediately with running water for at least 15 minutes. If accidentally in the eyes, rinse with a large amount of physiological saline and seek medical attention promptly; Electronic grade products should be kept out of reach of children.
It needs to be stored in a cool, dark, and well ventilated warehouse with a temperature controlled between 5-30 ℃. It should be kept away from direct sunlight (brown packaging must be used or a shading board must be installed in the warehouse to prevent oxidation and deterioration caused by light exposure), and kept away from heat sources (such as heating pipes, boilers, heating equipment) and fire sources. Explosion proof lighting fixtures and ventilation equipment should be equipped in the warehouse, and open flame work is strictly prohibited.
During transportation, it is necessary to load and unload gently. When using forklifts or pallets for handling, avoid collisions and squeezing of packaging (especially the sealing caps of stainless steel drums and glass bottles) to prevent packaging damage and leakage; When manually handling small packages (1L glass bottles), anti slip gloves should be worn, and throwing or rolling is strictly prohibited to avoid glass bottle breakage.
