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:
| Itemoftesting | InspectionStandard | Result |
| Characteristics | Whitetoslightlyyellowcrystals,Usuallyneedlelike | conformity |
| Odour | CharacteristicsofVanillia | conformity |
| Solubility | 1gofvanillinsolublein100mlwaterat25°C,in20mlglycerol,in20mlwaterat80°C.Freelysolubleinalcoholandmethanol,solubleinether | conformity |
| MeltingPoint | 81.0-83.0°C | 81.5°C |
| Purity(byGC) | ≥99.50% | 99.90% |
| LossOnDrying | ≤0.5% | 0.03% |
| Arsenic(As) | ≤0.0003% | <0.0003% |
| HeavyMetal(basedonPb) | ≤0.001% | <0.001% |
| Residueonignition | ≤0.05% | 0.04% |
| Conclusion | Theproducthasbeenconformedtothefoodchemicalscodex(FCCFifthEdition),theUSAPharmacopoeia(USPNF21Revision)andEuropeanPharmacopoeia5.0 | |