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sulfur tetrafluoride

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Origin: China

Cas No: 7783-60-0

Specification: 99%min

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 7783-60-0 Formula: F4S Molecular Weight: 108.05900

    Description

    Sulfur tetrafluoride is the chemical compound with the formula SF4. This species exists as a gas at standard conditions. It is a corrosive species that releases dangerous HF upon exposure to water or moisture. Despite these unwelcome characteristics, this compound is a useful reagent for the preparation of organofluorine compounds, some of which are important in the pharmaceutical and specialty chemical industries.

    Basic Info

    Chemical Name sulfur tetrafluoride
    Synonyms

    tetrafluoro-λ<sup>4</sup>-sulfane;
    Sulfur tetrafluoride;

    CAS No. 7783-60-0
    Molecular Formula F4S
    Molecular Weight 108.05900
    PSA 25.30000
    LogP 2.32900

    Properties

    Appearance & Physical State Sulfur tetrafluoride is a colorless gas with a distinct sulfur odor.
    Density 1.56 g/cm3
    Boiling Point 4.84ºC
    Melting Point -120.5ºC
    Refractive Index 1.229
    Storage Condition Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
    Vapor Pressure 140 psi ( 21 °C)

    Safety Info

    RTECS WT4800000
    Hazard Class 2.3
    Safety Statements S26; S36/37/39; S38; S45
    WGK Germany 3
    RIDADR UN 2418
    Risk Statements R14; R26; R34; R37
    Hazard Codes C; T+

    Synthesis Route

    Hexafluoropropylene+pentafluoro(trifluoromethyl)-λ<sup>6</sup>-sulfane→perfluoroheptane+hexafluoroethane
    bis(difluorothio)nitronium hexafluoroarsenate(V)+Caesium fluoride→azanylidyne(fluoro)-λ<sup>4</sup>-sulfane+cesium,hexafluoroarsenic(1-)
    Thiophosphoryl fluoride+sulfur hexafluoride→cyclooctasulfur+phosphorus pentafluoride

    Precursor

    Dinitrogen tetrafluoride
    pentafluoro(1,1,2,2,2-pentafluoroethyl)-λ6-sulfane
    chlorodifluorosulfur(IV) hexafluoroarsenate
    pentafluoro-(pentafluoro-λ<sup>6</sup>-sulfanyl)-λ<sup>6</sup>-sulfane

    Downstream Product

    Benzene
    cyclooctasulfur
    TRIPHENYLTIN FLUORIDE
    carbonyl sulfide

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