TrifluoroMethanesulfinyl chloride CAS 20621-29-8

CAS 20621-29-8
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Chemical Information

  • Synonyms: Trifluoromethylsulfinyl chloride

  • Molecular Formula:C₁F₃ClOS

  • Molecular Weight: ~166.52 g/mol

  • Structure:CF₃–S(O)–Cl

  • Functional Group: Sulfinyl chloride

Physical & Chemical Properties

  • Appearance: Colorless to pale yellow liquid

  • Odor: Pungent, corrosive

  • Boiling Point: ~38–40 °C (may vary by source)

  • Solubility: Reacts with water; soluble in many organic solvents

  • Reactivity: Highly moisture-sensitive; hydrolyzes readily

Typical Applications

  • Fluorinated intermediate in organic synthesis

  • Used for introducing trifluoromethylsulfinyl (–SOCF₃)groups

  • Precursor in the synthesis of sulfoxides, sulfones, and CF₃-containing compounds

  • Research and specialty chemical manufacturing

Handling & Storage

  • Store in a cool, dry place under inert atmosphere

  • Keep container tightly sealed

  • Strictly protect from moisture and heat

  • Handle only in a fume hood

Safety Information

  • Corrosive and reactive; releases acidic gases on contact with moisture

  • Causes severe skin and eye irritation

  • Use full PPE: gloves, goggles, lab coat; respiratory protection if required