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Atomfair 4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide sym-Dimethylethylene sulfite C4H8O3S

Description 4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide (CAS No. 4440-90-8) is a high-purity cyclic sulfite ester with the molecular formula C4H8O3S . This specialized organosulfur compound is widely utilized in organic synthesis, electrolyte formulations, and as a stabilizing agent in advanced chemical processes. Its unique cyclic structure and sulfite functionality make it a valuable intermediate for researchers developing novel materials, battery electrolytes, and pharmaceutical precursors. Our product is rigorously tested to ensure exceptional purity and consistency, meeting the stringent requirements of industrial and academic laboratories. Available in various quantities with detailed analytical documentation, including1H NMR,13C NMR, and HPLC data.

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Description

Description

4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide (CAS No. 4440-90-8) is a high-purity cyclic sulfite ester with the molecular formula C4H8O3S. This specialized organosulfur compound is widely utilized in organic synthesis, electrolyte formulations, and as a stabilizing agent in advanced chemical processes. Its unique cyclic structure and sulfite functionality make it a valuable intermediate for researchers developing novel materials, battery electrolytes, and pharmaceutical precursors. Our product is rigorously tested to ensure exceptional purity and consistency, meeting the stringent requirements of industrial and academic laboratories. Available in various quantities with detailed analytical documentation, including 1H NMR, 13C NMR, and HPLC data.

  • CAS No: 4440-90-8
  • Molecular Formula: C4H8O3S
  • Molecular Weight: 136.17
  • Exact Mass: 136.01941529
  • Monoisotopic Mass: 136.01941529
  • IUPAC Name: 4,5-dimethyl-1,3,2-dioxathiolane 2-oxide
  • SMILES: CC1C(OS(=O)O1)C
  • Synonyms: 4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide, 4440-90-8, sym-Dimethylethylene sulfite, 4,5-DIMETHYL-1,3,2??-DIOXATHIOLAN-2-ONE, 2,3-Butanediol, cyclic sulfite

Application

4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide serves as a key precursor in the synthesis of sulfite-based electrolytes for lithium-ion batteries, enhancing thermal stability and cycle life. It is also employed as a protecting group for diols in carbohydrate chemistry and as a chiral building block in asymmetric synthesis. Researchers utilize this compound to investigate sulfur-containing heterocycles in material science applications.

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