| 出生地 |
China (Mainland) |
| 牌子的名字 |
Polar Bear |
| 化学文摘社编号. |
121-32-4 |
Appearance: white to slightly yellow needle-like crystal or crystal powder Fragrance: similiar to vanilla beans stronger than vanillin Solubility( 25 degree centigrade): 1g of ethyl vanillin is soluble in 2ml of 95% ethanol and the solution is transparent Melting point: 76-78 degree centigrade Content: 99% min. Loss on drying: 0.5% max. Arsenic: 0.0003% max. Heavy metal(Pb): 0.001% max. The quality complies with FCC/USP standard.