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  • Phthalide
    3-Bromophthalide
    2-Carboxybenzaldehyde
    Potassium 2,5-dihydroxybenzenesulfonate
    p-Phenolsulfonic Acid Sodium Salt
    Tetramethylammonium bromide
    FERROUS FUMARATE
    Tetramethylammonium Hydroxide

    Nantong Huanyu Chemicals Co., Ltd.
    Add: Yangkou Township Chemical Park, Rudong County, Jiangsu, China.
    Zip code: 226407
    Contact: Shi Taibing
    Tel: +86-13951425530
    Fax: +86-0513-84813318
    Email: sales@nthuanyuchem.com
    URL: www.cqxwpk.com

     

    [Appearance]: White flake crystal. 
    [Molecular formula]: C8H6O2
    [Molecular weight]: 134.13. 
    [Structural formula]:

    [CAS] : 87-41-2   

     

    [Quality indicators]:

    Index name

    Index value

    Description

     White flake crystalline

    Assay(GC) %                   min

    99.0

    Melting point ℃

      71 – 74 ℃

    Water content  %                   max

    0.2

    Ash(As sulphated)%             max

    0.1

     

    [Usage]: used in the production of fungicides azoxystrobin, tetrachlorophenolphthalide, dye intermediates 1-dichloroanthraquinone, 1-chloroanthraquinone, reducing brown BR, anticoagulant phenyl indendione, antianxiety drug doxepin, and can also be used as organic synthesis. 
    [Packing]: 25kg / cardboard barrel or 25kg / composite bag, packed in double-layer plastic bags. 
    [Storage]: store in a dry and cool place.

     
     
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