| Color: | White |
|---|---|
| Appearance: | Powder |
| Resource: | Natural |
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| ITEMS | SPECIFICATION |
| Characteristics | White to slightly yellow crystals, usually needlelike |
| Odour | Characteristic of vanilla, stronger than vanillin |
| Solubility(25ºC) | 1g of ethyl vanillin should be soluble in 3ml 95% ethanol, and the obtained solution should be clear |
| Melting point | 76.0ºC~78.0ºC |
| Purity(by GC) | ≥99.5% |
| Loss on drying | ≤0.5% |
| Content of As | ≤0.0003% |
| Heavy metal(based on Pb) | ≤0.001% |
| Residue on ignition | ≤0.05% |
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