Analysis Item

Indexes

Analyst Result

Appearance

    White to slightly yellow crystals, Usually needlelike

conformity

Odor

    Characteristics of Vanilla

conformity

Solubility

      1g of vanillin soluble in 100Ml water at 25℃, in 20ml glycerol, in 20ml water at 80℃, freely soluble in alcohol and methanol, soluble in ether

conformity

Melting point

      81-83℃

81.1℃

Purity (by GC)

     ≥99.5%

99.90%

Loss on Drying

≤0.5%

0.009%

Arsenic(As)

≤0.0003%

<0.0003%

Heavy Metal(based on Pb)

≤0.001%

<0.001%

Residue on ignition

≤0.05%

0.043%

Conclusion: The product has been conformed to GB 3861-2008, the food chemicals codex(FCC Fifth Edition), the USA Pharmacopoeia(USP NF 21 Revision) and European Pharmacopoeia 5.0