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1,1-Difluoroethane

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Origin: China

Cas No: 75-37-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 75-37-6 Formula: C2H4F2 Molecular Weight: 66.05000

    Description

    1,1-Difluoroethane, or DFE, is an organofluorine compound with the chemical formula C2H4F2. This colorless gas is used as a refrigerant, where it is often listed as R-152a (refrigerant-152a) or HFC-152a (hydrofluorocarbon-152a). As an alternative to chlorofluorocarbons, it has an ozone depletion potential of zero, a lower global warming potential (120) and a shorter atmospheric lifetime (1.4 years). It has recently been approved for use in automobile applications as an alternative to R-134a.

    Basic Info

    Chemical Name 1,1-Difluoroethane
    Synonyms

    Ethane, 1,1-difluoro-;
    Difluoroethane;

    CAS No. 75-37-6
    Molecular Formula C2H4F2
    Molecular Weight 66.05000
    PSA 0.00000
    LogP 1.27140

    Properties

    Appearance & Physical State liquefied colourless gas under pressure
    Density 0.966
    Boiling Point -25ºC
    Melting Point -117ºC
    Refractive Index 1.3011 (-72ºC)
    Stability Stable at normal temperatures and pressure.
    Storage Condition Avoid heat, flames, sparks and other sources of ignition. Keep separated from incompatible substances.
    Vapor Density 2.28 (vs air)

    Safety Info

    RTECS KI1410000
    Hazard Class 2.1
    Safety Statements S16-S33-S36-S38
    HS Code 2903399090
    WGK Germany 1
    RIDADR UN 1030/2602
    Risk Statements R11
    Hazard Codes F
    Symbol GHS02, GHS04
    Hazard Declaration H220; H280
    Caution Statement P210; P377; P381; P410 + P403
    Signal Word Danger

    Synthesis Route

    butan-2-one→1,1-Difluoroethane+1,1,2-TRIFLUOROETHANE
    ethene→1,1-Difluoroethane+1,2-Difluoroethane
    ethene→1,1-Difluoroethane+1,2-Difluoroethane

    GC Analysis

    Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
    Capillary OV-101 - 326. temperature ramp
    Capillary SPB-1 - 242. custom temperature program

    Precursor

    1,2-Dichloroethane
    1,1-Dichloro-2,2,2-trifluoroethane
    2-Chloro-1,1,1,2-tetrafluoroethane
    1,1-Dichloroethane

    Downstream Product

    1,1-DICHLORO-2,2-DIFLUOROETHANE
    1,1,2,2-TETRAFLUOROETHANE
    1,1,2-TRIFLUOROETHANE
    1,1,1-Trifluoroethane

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