英文名 | 2-[(6-carboxy-2,3,4-trihydroxyphenyl)methyl]-3,4,5-trihydroxybenzoic acid |
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英文别名 |
Benzoic acid,2,2'-methylenebis[3,4,5-trihydroxy
3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid) EINECS 209-005-4 3,4,5,3',4',5'-hexahydroxy-2,2'-methanediyl-di-benzoic acid Methylenedigallic acid 2,2'-methylenebis(3,4,5-trihydroxybenzoic acid) 3,4,5,3',4',5'-Hexahydroxy-2,2'-methandiyl-di-benzoesaeure |
密度 | 1.909g/cm3 |
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沸点 | 820.9ºC at 760 mmHg |
分子式 | C15H12O10 |
分子量 | 352.25000 |
闪点 | 464.1ºC |
精确质量 | 352.04300 |
PSA | 195.98000 |
LogP | 0.90740 |
折射率 | 1.825 |
海关编码 | 2918290000 |
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~% 552-21-6 |
文献:Baeyer Chemische Berichte, 1872 , vol. 5, p. 1098 |
~% 552-21-6 |
文献:Moehlau; Kahl Chemische Berichte, 1898 , vol. 31, p. 271 |
海关编码 | 2918290000 |
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中文概述 | 2918290000 其他含酚基但不含其他含氧基羧酸及其酸酐、酰卤化物、过氧化物和过氧酸及它们的衍生物。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。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 |
监管条件 | A.入境货物通关单 B.出境货物通关单 |
检验检疫 | R.进口食品卫生监督检验 S.出口食品卫生监督检验 |
Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |