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Vanillin
| ITEMS | LIMIT |
| Appearance | White or slightly yellowish, crystalline powder or needles |
| Odor/Flavor | Similar to taste of vanilla |
| Solubility | 1g in 3ml of 70% ethyl alcohol or 2ml 95% ethyl alcohol |
| Assay | 99.0％min |
| Melting point | 81.0℃-83.0℃ |
| Loss on Drying | 0.5%max |
| Content of As | 0.0003% max |
| Heavy Metals (as pb) | 0.001% max |
| Residue on ignition | 0.1%max |
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