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| CAS号 : | 92-48-8 |
精确质量 : | 160.05200 |
| 分子式 : | C10H8O2 |
logP : | 2.10140 |
| 分子量 : | 160.16900 |
PSA : | 30.21000 |
6-甲基香豆素 | |
6-methylcoumarin | |
92-48-8 | |
C10H8O2 | |
160.16900 | |
30.21000 | |
2.10140 | |
160.05200 |
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白色结晶粉末
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303°C/725mm
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303 °C725 mm Hg(lit.)
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73-76 °C(lit.)
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1.2 g/cm3
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Stable at room temperature in closed containers under normal storage and handling conditions.
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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GN7792000
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3
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S22-S36/37-S45
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Xn
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R22; R42/43
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2932209090
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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<p>由对甲酚与反丁烯二酸作用而得。将72%的硫酸预热至80℃,加入反丁烯二酸与对甲酚的混合物,在160-170℃保温反应3-4h,冷却,倒入碎冰中析出沉淀,过滤。滤液用苯提取,加收苯后将所得粗品进行减压蒸馏而得6-甲基香豆素。或由对高水杨醛和醋酐在乙酸钠存在下缩合制得。</p> | |
<p>主要用于配制椰子、香草和焦糖等型香精.用于有机合成、香料和化妆品的配制，GB2760-96规定为允许使用的食品用香料。</p> |
