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Atomfair 4,5-Difluoro-1,3-dioxolan-2-one C3H2F2O3 CAS 171730-81-7

4,5-Difluoro-1,3-dioxolan-2-one (CAS No. 171730-81-7) is a high-purity fluorinated cyclic carbonate compound with the molecular formula C3H2F2O3. This specialty chemical is widely utilized in advanced electrochemical applications, particularly as a key electrolyte additive in lithium-ion batteries to enhance thermal stability and cycling performance. Its unique fluorinated structure contributes to improved SEI (Solid Electrolyte Interphase) formation, reducing decomposition at high voltages. Suitable for research and industrial use, this product is rigorously tested for purity (typically ≥98%) and is available in various quantities to meet laboratory and bulk requirements. Store in a cool, dry place under inert conditions to maintain stability.

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Description

4,5-Difluoro-1,3-dioxolan-2-one (CAS No. 171730-81-7) is a high-purity fluorinated cyclic carbonate compound with the molecular formula C3H2F2O3. This specialty chemical is widely utilized in advanced electrochemical applications, particularly as a key electrolyte additive in lithium-ion batteries to enhance thermal stability and cycling performance. Its unique fluorinated structure contributes to improved SEI (Solid Electrolyte Interphase) formation, reducing decomposition at high voltages. Suitable for research and industrial use, this product is rigorously tested for purity (typically ≥98%) and is available in various quantities to meet laboratory and bulk requirements. Store in a cool, dry place under inert conditions to maintain stability.

Properties

  • CAS Number: 171730-81-7
  • Complexity: 103
  • IUPAC Name: 4,5-difluoro-1,3-dioxolan-2-one
  • InChI: InChI=1S/C3H2F2O3/c4-1-2(5)8-3(6)7-1/h1-2H
  • InChI Key: DSMUTQTWFHVVGQ-UHFFFAOYSA-N
  • Exact Mass: 123.99720025
  • Molecular Formula: C3H2F2O3
  • Molecular Weight: 124.04
  • SMILES: C1(C(OC(=O)O1)F)F
  • Topological: 35.5
  • Monoisotopic Mass: 123.99720025
  • Synonyms: 171730-81-7, 4,5-difluoro-1,3-dioxolan-2-one, DTXSID90628999, DTXCID10579752, 933-663-8, 1,3-Dioxolan-2-one, 4,5-difluoro-, 4,?5-?Difluoro-1,?3-?dioxolan-?2-?one, difluoroethylene carbonate, SCHEMBL140774, DSMUTQTWFHVVGQ-UHFFFAOYSA-N, WGA73081, DB-395978

Application

4,5-Difluoro-1,3-dioxolan-2-one is primarily employed as an electrolyte additive in lithium-ion batteries, where it improves high-voltage stability and reduces gas generation during cycling. Its fluorinated structure enhances the electrochemical performance of energy storage systems by forming a robust SEI layer on electrode surfaces. Researchers also explore its potential in polymer chemistry and as a fluorinated building block for specialty materials.

Safety and Hazards

GHS Hazard Statements

  • H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

  • P261, P264, P264+P265, P270, P272, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P332+P317, P333+P317, P337+P317, P362+P364, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (100%)
  • Skin Irrit. 2 (100%)
  • Skin Sens. 1 (100%)
  • Eye Irrit. 2 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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