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THIONYL FLUORIDE

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Origin: China

Cas No: 7783-42-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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  • Products Specification
  • Product Description
  • Property

    CAS No.: 7783-42-8 Formula: F2OS Molecular Weight: 86.06120

    Description

    Thionyl fluoride is the inorganic compound with the formula SOF2. This colourless gas is mainly of theoretical interest, but it is a product of the degradation of sulfur hexafluoride, an insulator in electrical equipment. The molecule adopts a distorted pyramidal structure, with Cs symmetry. The S-O and S-F distances are 1.42 and 1.58 Å, respectively. The O-S-F and F-S-F angles are 106.2 and 92.2°, respectively. Thionyl chloride and thionyl bromide have similar structures, although these compounds are liquid at room temperature. Mixed halides are also known, such as SOClF, thionyl chloride fluoride.

    Basic Info

    Chemical Name THIONYL FLUORIDE
    Synonyms

    EINECS 231-997-2;
    Sulfurous oxyfluoride;
    Fluorure de thionyle [French];
    Fluorure de thionyle;
    Sulfur difluoride monoxide;
    Sulfur difluoride oxide;
    liquid SOF2;
    SOF2 (liquid);
    Thionyl difluoride;
    thionil difluoride;

    CAS No. 7783-42-8
    Molecular Formula F2OS
    Molecular Weight 86.06120
    PSA 36.28000
    LogP 1.36980

    Properties

    Appearance & Physical State Colorless gas
    Density 1.758g/cm3
    Melting Point -110.5ºC
    Refractive Index 1.376
    Stability Reacts with water. Decomposes on heating.

    Safety Info

    Hazard Class 2.3
    Safety Statements 36/37/39-45
    RIDADR UN 3308
    Risk Statements R20; R34
    Hazard Codes C; F; T

    Synthesis Route

    (1,2-dibromotrifluoroethyl)pentafluorosulfur(VI)+pentafluoro-(pentafluoro-λ<sup>6</sup>-sulfanyl)-λ<sup>6</sup>-sulfane
    thionyl dichloride+pentachloro-λ<sup>5</sup>-stibanethionyl chlorofluoride+THIONYL FLUORIDE
    thionyl dichloride+pentachloro-λ<sup>5</sup>-stibanethionyl chlorofluoride+sulfur dioxide

    Toxicity

    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Inhalation LCLo - Lowest published lethal concentration Rodent - mouse 260 ppm/1H 1.Lungs, Thorax, or Respiration-acute pulmonary edema
    2.Lungs, Thorax, or Respiration-dyspnea
    Inhalation LCLo - Lowest published lethal concentration Rodent - rabbit 1000 ppm/1H 1.Lungs, Thorax, or Respiration-acute pulmonary edema
    2.Lungs, Thorax, or Respiration-dyspnea

    Precursor

    Antimony trifluoride
    difluorine
    thionyl dichloride
    thionyl chlorofluoride

    Downstream Product

    sulfur dioxide
    hydrogen sulfide
    Water
    Sulfur

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