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Natural Vanillin
| Appearance： | White to light yellow needle crystal or crystal powder白色至微黄色针状结晶或结晶性粉末 |
| Heavy metal： | （以pb计mg/kg）≤10 |
| Melting point： | （℃）：81－83 |
| Loss on drying： | ≤0.5% |
| As： | （mg/kg）：≤3 |
| Solubility： | （25℃）:Lg：3ml（70%） |
| akg Lg：2ml（95%）（乙醇中） |
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