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1,1,2,2-Tetrabromoethane

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Origin: China

Cas No: 79-27-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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  • Products Specification
  • Product Description

  • Quick Details

    CAS No.:
    79-27-6
    Other Names:
    Acetylene tetrabromide
    MF:
    C2H2Br4
    EINECS No.:
    79-27-6
    Place of Origin:
    China
    Type:
    Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
    Purity:
    ≥99%
    Brand Name:
    FinerChem
    Model Number:
    79-27-6
    Application:
    Used as plastic foaming
    Appearance:
    White or light yellow liquid
    Product name:
    1,1,2,2-Tetrabromoethane
    CAS:
    79-27-6
    Assay:
    ≥99%

    Packaging&Delivery

    Packaging Details
    Fluorinated bottle for 1kg, 25kg/drum,200L Iron drum or as your special request
    Port
    SHANGHAI, QINGDAO , BEIJING, SHENZHEN , DALIAN
    Lead Time:
    Quantity(Kilograms)1 - 500>500
    Est. Time(days)4To be negotiated

    Products Description

    Product Name
    1,1,2,2-Tetrabromoethane
    CAS No.
     79-27-6
    Appearance
    White or light yellow liquid
    Assay
    ≥99%
    Capacity
    200mt/year
    Min.packing
    1gram
    Application
    Acetylene tetrabromide
    Standard
    Export 
    Brand
    Finerchem 


    More information

    Molecular Formula: C2H2Br4 
    Molecular Weight: 345.65 
    CAS Registry Number: 79-27-6 
    EINECS: 201-191-5 
    Density: 2.966 
    Melting point: -2 ºC 
    Boiling point: 244 ºC 
    Refractive index: 1.636-1.638 
    Water solubility: 0.63 g/L (20 ºC)

  • Property

    CAS No.: 79-27-6 Formula: C2H2Br4 Molecular Weight: 345.65300

    Description

    Tetrabromoethane (TBE) is a halogenated hydrocarbon, chemical formula C2H2Br4. Although three bromine atoms may bind to one of the carbon atoms creating 1,1,1,2-tetrabromoethane this is not thermodynamically favorable, so in practice tetrabromoethane is equal to 1,1,2,2-tetrabromoethane, where each carbon atom binds two bromine atoms.
    It has an unusually high density for an organic compound, near 3 g/mL, due largely to the four bromine atoms. TBE is a liquid at room temperature, and is used to separate mineral ores from its supporting rock by means of preferential flotation. Sand, limestone, dolomite, and other types of rock material will float on TBE, while minerals such as sphalerite, galena and pyrite will sink. A related compound, bromoform, is also sometimes used in these applications, however, TBE is more practical because of its wider liquid range and lower vapor pressure. Acute TBE poisoning has been known to occur.

    Basic Info

    Chemical Name 1,1,2,2-Tetrabromoethane
    Synonyms

    Muthmanns liquid;
    sym-Tetrabromoethane;
    Ethane,1,1,2,2-tetrabromo;
    Acetylene tetrabromide;
    Ethane, 1,1,2,2-tetrabromo-;
    tetrabromo-1,1,2,2 ethane;
    1,1,2,2,-tetrabromoethane;
    s-Tetrabromoethane;
    Tetrabromoacetylene;

    CAS No. 79-27-6
    Molecular Formula C2H2Br4
    Molecular Weight 345.65300
    PSA 0.00000
    LogP 3.21820

    Properties

    Appearance & Physical State Colorless to yellowish liquid.
    Density 2.966
    Boiling Point 244ºC
    Melting Point -2ºC
    Flash Point 97ºC
    Refractive Index 1.636-1.638
    Water Solubility 0.63 g/L (20 ºC)
    Stability Stable. Incompatible with strong oxidizing agents, aluminium, magnesium, alkali metals.
    Storage Condition Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from metals.
    Vapor Density 11.9 (vs air)
    Vapor Pressure 0.1 mm Hg ( 20 °C)

    Safety Info

    RTECS KI8225000
    Hazard Class 6.1
    Safety Statements S1/2-S24-S27-S45-S61
    HS Code 29033036
    WGK Germany 2
    Packing Group III
    RIDADR UN 2504
    Risk Statements R26; R36; R52/53
    Hazard Codes T+

    Synthesis Route

    Ethane→1,1,2,2-Tetrabromoethane+Bromoethane
    acetylene→1,1,2,2-Tetrabromoethane
    1,2-dibromoethane→1,1,2,2-Tetrabromoethane

    GC Analysis

    Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
    Packed OV-1 100. 1226. isothermal
    Packed OV-1 125. 1245. isothermal
    Packed OV-1 75. 1206. isothermal
    Packed SE-30 150. 1265. isothermal
    Capillary OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. - 1269. custom temperature program

    Precursor

    acetylene
    Ethane
    1,2-dibromoethane
    2-phenyl-1,3-oxathiolane

    Downstream Product

    1,1,2,2-TETRAFLUOROETHANE
    1,1,2-tribromoethene
    hydrogen bromide
    ETHYLAMINE HYDROBROMIDE

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