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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
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    Email: sales@nthuanyuchem.com
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    2-Carboxybenzaldehyde

    [Alias]: Phthalaldehydic acid; Phthalaldehyd; 2-Formylbenzoic acid; o-Formylbenzoic acid

    [Molecular formula]:C8H6O3

    [Molecular weight]:150.13
          
    [Structural formula]:
                  

    [CAS No.]: 119-67-5

    [Properties]:  Lamellar crystal, Specific gravity 1.404, Melting point96 ~99℃, , easily soluble in alcohols and aether, soluble in water. 

    Quality index:                        

    Test Method Specification
    Appearance Visual description white to off-white solid
    Assay ( C8H6O3
    ■2-carboxybenzaldehyde HPLC min 98.0%(W/W)
    Identification by HPLC
    ■Purity                         min 98.5 %
    ■Largest unspecified impurity max 0.5 %
    ■5-Chloro-2-carboxybenzaldehyde max  0.5 %
    Residue on ignition
    Sulphated ash   0.10%
    Water content Karl Fischer titration  max  1.0 %

    [Uses]:Organic reagents, pharmaceutical intermediates, are the main raw materials for the synthesis of butylphthalide, phenothiazine, hydralazine and ketotifen fumarate, as well as the anticancer drugs olapani and simindril, or a new type of liquid crystal. material. It is also widely used in the field of electroplating.

    [Packaging, storage & transportation]:25KG composite bag, lined with double-layer plastic bag or cardboard drum, kept in cool and dark place.

     
     
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