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             Diketene
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             2-Hydroxybenzyl alcohol
             Acetoacetanilide(AAA)
             Acetoacet-o-chloroamilide(AAOCA)
             Acetoacet-p-chloroamilide(AAPCA)
             Acetoacet-o-toluidide(AAOT)
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      Products


    Diketene

    Product name: diketene; diketen; Ketenedimer, 99 %; Ketene Dimer; DK; Acetyl ketene; 4-Methylene-2-oxetanone; But-3-en-3-olide 
    CAS No .: 674-82-8 
    EINECS number: 211-617-1 
    Molecular formula:C4H4O2

    Basic information  Product Name: diketen; Ketenedimer, 99%; Ketene Dimer; DK; Acetyl ketene; 4-Methylene-2-oxetanone; But-3-en-3-olide; 4-methylideneoxetan-2-one; but -1-ene-1, 3-dione 
    Molecular weight 84.0744

    Main quality index:

    Index name index
    Appearance: Colorless or light yellow liquid, irritating odor
    content: ≥ 97.0%
    Acetic anhydride: ≤ 3%

    Physical and chemical properties  nature: colorless, flammable liquid odor stimuli. The relative density of 1.0897 (20/20 ℃). Melting point of -7.5 ℃.  boiling point 127.4 ℃. Refractive index nD (20 °C) 1.4379. Specific heat capacity 0.1990kJ/(kg • ℃). Flash point 34 ℃. Soluble in ordinary organic solvents. Chemical nature of lively. Layered in water.

    Packaging and Storage: flammable materials, glass-lined or should be stored in an aluminum container, a low temperature (0 ~ 5 ℃) storage. Transport and fire, inorganic acid and water contact, is strictly prohibited to prevent explosion. According to the provisions of storage of flammable chemicals.

    The main uses: as drug intermediates, food preservatives, pigments and modifiers

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