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Atomfair 4-Chloro-1,3-dioxolan-2-one C3H3ClO3 CAS 3967-54-2

4-Chloro-1,3-dioxolan-2-one (CAS No. 3967-54-2) is a high-purity chlorinated cyclic carbonate ester with the molecular formula C3H3ClO3. This specialized chemical is widely utilized in organic synthesis, electrolyte formulations, and as a precursor for advanced materials. Its unique structure, featuring a reactive chloro-substituted dioxolane ring, makes it valuable for nucleophilic substitution reactions and as a building block for functionalized polymers. Available in >98% purity (GC), our product is rigorously tested for moisture content, heavy metals, and other critical impurities to ensure consistent performance in sensitive applications. Packaged under inert gas in amber glass bottles or customized bulk containers to prevent degradation.

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Description

4-Chloro-1,3-dioxolan-2-one (CAS No. 3967-54-2) is a high-purity chlorinated cyclic carbonate ester with the molecular formula C3H3ClO3. This specialized chemical is widely utilized in organic synthesis, electrolyte formulations, and as a precursor for advanced materials. Its unique structure, featuring a reactive chloro-substituted dioxolane ring, makes it valuable for nucleophilic substitution reactions and as a building block for functionalized polymers. Available in >98% purity (GC), our product is rigorously tested for moisture content, heavy metals, and other critical impurities to ensure consistent performance in sensitive applications. Packaged under inert gas in amber glass bottles or customized bulk containers to prevent degradation.

Properties

  • CAS Number: 3967-54-2
  • Complexity: 92.2
  • IUPAC Name: 4-chloro-1,3-dioxolan-2-one
  • InChI: InChI=1S/C3H3ClO3/c4-2-1-6-3(5)7-2/h2H,1H2
  • InChI Key: OYOKPDLAMOMTEE-UHFFFAOYSA-N
  • Exact Mass: 121.9770716
  • Molecular Formula: C3H3ClO3
  • Molecular Weight: 122.51
  • SMILES: C1C(OC(=O)O1)Cl
  • Topological: 35.5
  • Monoisotopic Mass: 121.9770716
  • Synonyms: 4-Chloro-1,3-dioxolan-2-one, 3967-54-2, Chloroethylene carbonate, 1,3-Dioxolan-2-one, 4-chloro-, EINECS 223-583-5, NSC 74446, Cyclic chloroethylene carbonate, 1,2-Ethanediol, 1-chloro-, cyclic carbonate, OYOKPDLAMOMTEE-UHFFFAOYSA-, 4-Chloro-1,3-dioxolane-2-one, Carbonic acid, cyclic chloroethylene ester, Carbonic acid, cyclic 1-chloroethylene ester, 223-583-5, inchi=1/c3h3clo3/c4-2-1-6-3(5)7-2/h2h,1h2, oyokpdlamomtee-uhfffaoysa-n, NSC74446, MFCD00005383, 4-Chloro-2-oxo-1,3-dioxolane, Monochloroethylene carbonate, SCHEMBL47888, 4-chloro-[1,3]dioxolan-2-one, DTXSID301312786, NSC-74446, SBB070680, AKOS015850590, FC36825, 4-Chloro-1,3-dioxolan-2-one, 90%, BS-44075, SY051659, DB-049464, C1858, NS00049359, C13865, EN300-243589, 4-Chloro-1,3-dioxolan-2-one, technical, >=90% (GC)

Application

4-Chloro-1,3-dioxolan-2-one serves as a key intermediate in lithium-ion battery electrolytes, where it modifies SEI layer formation. Researchers employ it as a reactive monomer for synthesizing functional polycarbonates with tailored properties. In pharmaceutical chemistry, it acts as a protected glyoxal equivalent for heterocycle synthesis.

Safety and Hazards

GHS Hazard Statements

  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (97.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2 (100%)
  • STOT SE 3 (97.7%)

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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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