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Vanillin

Vanillin
CAS NO.121-33-5
M.F:C8H8O3
M.W:152.15
Appearance:White to slightly yellow needle-like crystal or crystal powder
Purity:≥99.5%
The detailed specifications are as below:


Item of testing 

Inspection Standard

Result 

Characteristics

 

White to slightly yellow crystals, Usually needlelike

conformity

Odour

Characteristics of Vanillia

conformity

Solubility

1g of vanillin soluble in 100ml water at

25°C,in 20ml glycerol, in 20 ml water at 80°C. Freely

soluble in alcohol and methanol, soluble in ether

conformity

Melting Point

81.0-83.0°C

81.5°C

Purity (by GC)

≥99.50%

99.90%

Loss On Drying

≤0.5%

0.03%

Arsenic(As)

≤0.0003%

<0.0003%

Heavy Metal (based on Pb)

≤0.001%

<0.001%

Residue on ignition

≤0.05%

 

0.04%

Conclusion 

The product has been conformed to the food chemicals codex(FCC Fifth Edition),

the USA Pharmacopoeia (USP NF 21 Revision) and European Pharmacopoeia 5.0