Vitamin B2 USP30/BP2007


    AppearanceOrange Yellow crystalline powder


    Assay98.0 - 102.0% (USP 30)
    97.0 - 103.0% (BP 2007)
    Particle size100% passes through 80 mesh sieve
    Organic Volatile ImpuritiesMeets the requirements
    Acidity or Alkalinity Check the colour of the test solution after adding the respective solutions
    Heavy metalsMax 10 ppm
    Loss on dryingMax 1.5 %
    AbsorbanceA373nm/A267nm=0.31 ~ 0.33 (USP 30)
    A444nm/A267nm=0.36 ~ 0.39 (BP 2007)
    Specific Rotation
    -115.0 to ~-135.0
    LumiflavinAbsorbance of the filtrate at 440nm
    Does not exceed 0.025 (USP)
    Not more intense than BY6 (EP/BP)
    Residue on ignitionMax 0.3% (USP30)
    Max 0.1% (BP 2007)
    Shelf lifeThree years

    Conclusion: The product meets all requirements of the following Valid compendia when tested accordingly: EP5 + BP2005 + USP29

    Direct Food Ingredients will ensure that any material supplied this specification will confirm to the above physical and chemical properties. However, we have no control over the use of the material and can accept no responsibility for problems caused by the customer's failure to ensure the material supplied is suitable for the intended use.

    This specification has been last modified on Tue 31 August 2010 (109)

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