Vitamin B3 Nicotinamide


    AppearanceCrystalline Powder


    Assay99.0 to 101.0%W/W
    99 - 101.0
    -10.0 - 10.0
    -10.0 - 10.0
    of solution: Min 7
    Particle size50μm: Min 90%W/W
    250μm: Max 8%W/W
    WaterMax 0.10 %W/W
    Carbonisable substance
    ImpuritiesLargest unknown impurities: Max 0.10%W/W
    Sum of impurities: Max 1.0%W/W
    Sum of impurities II: Absent
    Chloride (Cl)
    (limit test)
    Max 70 mg/kg
    (5g/100ml water)
    6.0 to 7.5
    Heavy metalsMax 20 mg/kg
    Sulphated ash
    (2h, 600°C, USP/EP)
    Max 0.10 %W/W
    Loss on dryingMax 0.5 %W/W
    Melting Range128.0 - 131.0°C
    (of Solution)
    Max 3.00 NTU
    Acid Value
    Max 0.10 %W/W
    SulphateMax 190 mg/kg
    3-CyanopyridineMax 0.10 %W/W
    Shelf lifeRetest after 3 years

    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 Thu 12 April 2012 (1056)

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