英文名 | 7-hydroxy-4-oxochromene-2-carboxylic acid |
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英文别名 |
7-hydroxy-4-oxo-4H-chromene-2-carboxylic acid
7-hydroxy-4-oxo-4H-1-benzopyrane-2-carboxylic acid HOCCA 7-Hydroxy-4-oxo-4H-chromen-2-carbonsaeure 7-hydroxy-4-oxochromene-2-carboxylic caid Hydroxycoumarin carboxylic acid 7-hydroxy-4-oxo-4H-1-benzopyran-2-carboxylic acid 7-Hydroxy-4-oxo-4H-chromen-2-carboxylic acid 7-hydroxy-4-oxo-4H-chromone-2-carboxylic acid |
密度 | 1.639g/cm3 |
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沸点 | 441.2ºC at 760 mmHg |
分子式 | C10H6O5 |
分子量 | 206.15200 |
闪点 | 184.1ºC |
精确质量 | 206.02200 |
PSA | 87.74000 |
LogP | 1.19680 |
折射率 | 1.684 |
海关编码 | 2918990090 |
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~52% 30113-83-8 |
文献:MERCK PATENT GMBH Patent: WO2005/97772 A1, 2005 ; Location in patent: Page/Page column 68 ; |
~78% 30113-83-8 |
文献:Ellis, Gwynn P.; Hudson, Henrietta V. Journal of Chemical Research, Miniprint, 1985 , # 12 p. 3830 - 3860 |
~% 30113-83-8 |
文献:Naylor et al. Journal of the Chemical Society, 1958 , p. 1190,1192 |
~% 30113-83-8 |
文献:Naylor et al. Journal of the Chemical Society, 1958 , p. 1190,1192 |
~% 30113-83-8 |
文献:Jacobson et al. Journal of Organic Chemistry, 1953 , vol. 18, p. 1117,1121 |
~% 30113-83-8 |
文献:Ellis, Gwynn P.; Hudson, Henrietta V. Journal of Chemical Research, Miniprint, 1985 , # 12 p. 3830 - 3860 |
~% 30113-83-8 |
文献:Ellis, Gwynn P.; Hudson, Henrietta V. Journal of Chemical Research, Miniprint, 1985 , # 12 p. 3830 - 3860 |
海关编码 | 2918990090 |
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中文概述 | 2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 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:30.0% |
申报要素 | 品名, 成分含量, 用途 |
Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |