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    Coated Ascorbic Acid 97%(CAS No.:50-81-7)
    Description
    Coated Ascorbic Acid 97% EC consists of ascorbic acid coated with ethyl cellulose. It is white to pale yellow micro-crystalline powder.
     
    Product identification
    Chemical names:
    (5R)-5-[(1S)-1,2-Dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one.
    Synonyms: L-ascorbic acid; L-xylo-ascorbic acid; L-(+)-ascorbic acid; vitamin C
    CAS No.: 50-81-7
    Einecs-No: 200-066-2
    Empirical formula: C6H8O6
    Molecular mass: 176.13 g/mol
     
    Specifications
    Appearance: white to pale yellow micro-crystalline powder
    Identity for ascorbic acid:corresponds
    Loss on drying: max. 0.5%
    Ascorbic Acid content: 97.0-98.5%
    Sulphated ash (residue on ignition): max. 0.1%
    Heavy metals: max. 20 ppm
    Arsenic: max. 3 ppm
    Total plate count: ≤1000CFU/g
    Total molds yeasts: ≤100CFU/g
    Coliform organisms: Negative
     
    Solubility
    This product is slightly soluble in water.
     
    Stability and storage
    This product is fairly stable to air if protected from humidity, but is somewhat sensitive to heat. The product may be stored for at least 24 months from the date of manufacture when the unopened original container and at room temperature below 25°C. On prolonged storage, a slight yellow discoloration may occur which, however, does not affect the biological activity.
     
     Uses
    This product is used for the enrichment, standardization or stabilization of dry food preparations .
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