Description

Bis(2-fluoroethyl) carbonate (CAS No. 406-15-5) is a high-purity fluorinated organic compound with the molecular formula C₅H₈F₂O₃. This specialty chemical is widely utilized in advanced energy storage applications due to its unique fluorine-containing structure. The compound is synthesized under strict quality control to ensure optimal performance in lithium battery electrolytes. Its bis(2-fluoroethyl) groups contribute to enhanced thermal stability and flame-retardant properties, making it particularly valuable for high-safety battery formulations. Available in various purity grades to meet research and industrial needs, this product is packaged under inert atmosphere to maintain stability.

Key Features:

• IUPAC Name: bis(2-fluoroethyl) carbonate
• Molecular Weight: 154.11 g/mol
• Appearance: Colorless to pale yellow liquid
• High purity grade available (≥98%)
• Moisture-sensitive – store under inert gas

Properties

• CAS Number: 406-15-5
• Complexity: 86.9
• IUPAC Name: bis(2-fluoroethyl) carbonate
• InChI: InChI=1S/C5H8F2O3/c6-1-3-9-5(8)10-4-2-7/h1-4H2
• InChI Key: YZWIIIGEQKTIMS-UHFFFAOYSA-N
• Exact Mass: 154.04415044
• Molecular Formula: C5H8F2O3
• Molecular Weight: 154.11
• SMILES: C(CF)OC(=O)OCCF
• Topological: 35.5
• Monoisotopic Mass: 154.04415044
• Synonyms: Bis(2-fluoroethyl) carbonate, 406-15-5, Carbonic acid, bis(2-fluoroethyl) ester, bis(2-fluoroethyI)carbonate, TL 885, BRN 1761993, 3-03-00-00007 (Beilstein Handbook Reference), SCHEMBL320827, DTXSID20193605, AT42940

Application

Bis(2-fluoroethyl) carbonate serves as a critical electrolyte additive in fluorine-containing lithium batteries, where its flame-retardant properties significantly increase the ignition point of the electrolyte system. The compound’s fluorine content improves thermal stability while maintaining good ionic conductivity, leading to enhanced battery cycle life and safety performance. Researchers particularly value this additive for high-energy-density battery applications where thermal runaway prevention is crucial.

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