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      1. home > Products>Distribution Business>Intermediates & human APIs >API >Riboflavine (Vitamin B2)
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        • Product Name :

          Riboflavine (Vitamin B2)

        • CAS No. :83-88-5
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        Product Details

        RIBOFLAVINE

        Chemical Name:             

        Vitamin B2, Riboflavine, Riboflavin

        CAS   Number

        83-88-5

        Molecular   Formula

        C17H20N4O6

        Molecular   Weight

        376.37

        Molecular Structure

         


        Package

        25kg/drum

        Storage

        Store in a cool, dry   place, away from direct heat and light.

        SPECIFICATION

        Items
        Specification

        Appearance

        Orange yellow crystalline powder

        Identification

        Positive

        Acidity or Alkalinity

        Check the color of the test solution   after adding the respective solutions

        Lumiflavin

        Absorbance of the filtrate at 440nm   does not exceed 0.025(USP);not more intense than BY6(EP/BP)

        Absorbance

        0.31-0.33   A373nm/A267nm

        0.36-0.39   A444nm/A267nm      

        by Spectrophotometric analysis

        Particla Size

        95% passes through 80 mesh sieve

        Specific Rotation

        between -115°and -135°(EP/BP/USP)

        Loss   on Drying

        1.5%

        Heavy   Metals

        10ppm

        Residue on Ignition/ Sulphated Ash

        0.3%(USP)

        0.1%(EP/BP)

        Organic   Volatile Impurities

        Method IV 467(USP)

        Assay(ondried   basis)

        98.0%-102.0%(USP)

        97.0%-103.0%(EP/BP)

        Standad

        EP5/BP2008/USP39

         




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