中文名 | 4-羟基-7-甲基香豆素 |
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英文名 | 4-hydroxy-7-methylchromen-2-one |
英文别名 |
4-hydroxy-7-methyl-2h-chromen-2-one
4-Hydroxy-7-methyl-cumarin 4-hydroxy-7-methylycoumarin 7-methyl-4-hydroxycoumarin 4-Hydroxy-7-methylcoumarin 4-hydroxy-7-methyl-chromen-2-one 2-hydroxy-7-methylchromen-4-one |
熔点 | 216 °C |
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分子式 | C10H8O3 |
分子量 | 176.16900 |
精确质量 | 176.04700 |
PSA | 50.44000 |
LogP | 1.80700 |
外观性状 | 固体;White to Light yellow to Light orange powder to crystal |
储存条件 | 室温,干燥 |
危害码 (欧洲) | Xi: Irritant; |
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海关编码 | 2932209090 |
上游产品 4 | |
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下游产品 4 | |
海关编码 | 2932209090 |
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中文概述 | 2932209090. 其他内酯. 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% |
申报要素 | 品名, 成分含量, 用途 |
Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |