Ascorbic Acid(Vitamin C)

Short Description:

Introduction CAS No.: 50-81-7 Vitamin C is a white monoclinic crystal or crystalline powder with melting point on 190 ℃ -192 ℃, no smell, sour, yellowish color after long time standing. The product is easily soluble in water, slightly soluble in ethanol, insoluble in ether, chloroform. The aqueous solution is acidic. 5% (W / V) aqueous solution PH2.1-2.6 (W / V), the rotation of aqueous solution is +20.5 ° ~ +21.5°. Specification:     BP2011/USP33/EP 7/FCC7/CP2010 Item Standard As...


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    Introduction

    CAS No.: 50-81-7
    Vitamin C is a white monoclinic crystal or crystalline powder with melting point on 190 ℃ -192 ℃, no smell, sour, yellowish color after long time standing. The product is easily soluble in water, slightly soluble in ethanol, insoluble in ether, chloroform. The aqueous solution is acidic. 5% (W / V) aqueous solution PH2.1-2.6 (W / V), the rotation of aqueous solution is +20.5 ° ~ +21.5°.

    Specification:    

    BP2011/USP33/EP 7/FCC7/CP2010

    Item

    Standard

    Assay

    99.0%-100.5%

    Melting point

    about 190℃

    PH value

    2.1-2.6

    Clarity of solution

    Clear

    Color of solution

    BY7 max.

    Copper

    5ppm max.

    Heavy metals

    10ppm max.

    Mercury

    1mg/kg max.

    Lead

    2mg/kg max.

    Arsenic

    3ppm max.

    Iron

    2ppm max.

     


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