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1-Chloro-1,1-difluoroethane

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Origin: China

Cas No: 75-68-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 75-68-3 Formula: C2H3ClF2 Molecular Weight: 100.49500

    Description

    1-Chloro-1,1-difluoroethane, also known by trade names including Freon 142b is a haloalkane with the chemical formula CH3CClF2. It is primarily used as a refrigerant.

    Basic Info

    Chemical Name 1-Chloro-1,1-difluoroethane
    Synonyms

    Chlorodifluoroethane;
    1,1-difluoro-1-chloroethane;
    R-142b;
    difluorochloroethane;
    R 142b;
    HFA142b;
    FKW142b;
    cfc142b;
    F142b;
    monochlorodifluoroethane;
    Ethane, 1-chloro-1,1-difluoro;
    Freon 142b;
    HCFC-142b;
    FC 142b;

    CAS No. 75-68-3
    Molecular Formula C2H3ClF2
    Molecular Weight 100.49500
    PSA 0.00000
    LogP 1.83790

    Properties

    Appearance & Physical State transparent colorless liquid with no odour
    Density 1.108
    Boiling Point -9ºC
    Melting Point -131ºC
    Refractive Index 1.316
    Stability Stable. Highly flammable. Incompatible with strong oxidizing agents, metals - use brass regulators, steel cylinders for storage.
    Storage Condition Grounding and bonding required. Keep separated from incompatible substances. Avoid heat, flames, sparks and other sources of ignition.
    Vapor Density 3.49 (vs air)
    Vapor Pressure 2196 mm Hg ( 21 °C)

    Safety Info

    RTECS KH7650000
    Hazard Class 2.1
    Safety Statements S38-S59
    WGK Germany 1
    RIDADR UN 2517
    Risk Statements R12; R59
    Hazard Codes F+; N

    Synthesis Route

    dichloromethane→1,3-dichloro-2,2-bis(chloromethyl)propane+isobutane
    1,1-dichloroethene→1,1,1-Trichlorotrifluoroethane+1,1,1-Trifluoroethane
    1,1-dichloroethene→1,1,1-Trichlorotrifluoroethane+1-Chloro-1,1-difluoroethane

    GC Analysis

    Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
    Capillary OV-101 - 402. temperature ramp
    Capillary Methyl Silicone - 346. custom temperature program

    Precursor

    1,1-dichloroethene
    1-chloroethanesulfonyl chloride
    1,1-Difluoroethane
    1,1-DIFLUOROETHYLENE

    Downstream Product

    1,2-Dichloro-1,1-difluoroethane
    1,1-DIFLUOROTETRACHLOROETHANE
    1,1-DIFLUOROETHYLENE
    1,1-Difluoro-1,2,2-trichloroethane

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