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| CAS号 : | 93-35-6 |
精确质量 : | 162.03200 |
| 分子式 : | C9H6O3 |
logP : | 1.49860 |
| 分子量 : | 162.14200 |
PSA : | 50.44000 |
7-羟基香豆素 | |
umbelliferone | |
93-35-6 | |
C9H6O3 | |
162.14200 | |
50.44000 | |
1.49860 | |
162.03200 |
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1.64
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灰白色结晶粉末
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382ºC
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230 °C (dec.)(lit.)
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1 g/100 mL (100 ºC)
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1.403g/cm3
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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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GN6820000
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29322980
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3
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S26-S36
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Xi
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R36/37/38
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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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暂时无法加载合成路线，请稍后刷新重试 |
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<p>由2,4-二羟基苯乙酮与苹果酸在硫酸存在下于90-130℃之间进行缩合,消去乙酰基即得伞形酮。</p> | |
<p>用作荧光指示剂和酸碱指示剂(pH为6.5-8.0)。</p> |
