中文名 | 3,4-二羟基-2-甲基苯甲酸 |
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英文名 | 3,4-Dihydroxy-2-methylbenzoic acid |
英文别名 |
3,4-dihydroxy-2-methyl-benzoic acid
Benzoic acid, 3,4-dihydroxy-2-methyl- 3,4-Dihydroxy-2-methyl-benzoesaeure 3.4-Dixoy-2-methyl-benzoesaeure 3.4-Dioxy-o-toluylsaeure 3,4-Dihydroxy-2-methylbenzoic acid 2-Methyl-protocatechusaeure 2-Methyl-3,4-dihydroxybenzoic acid 3,4-dihydroxy-2-methyl benzoicacid |
密度 | 1.5±0.1 g/cm3 |
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沸点 | 395.7±42.0 °C at 760 mmHg |
分子式 | C8H8O4 |
分子量 | 168.147 |
闪点 | 207.3±24.4 °C |
精确质量 | 168.042252 |
PSA | 77.76000 |
LogP | 1.62 |
蒸汽压 | 0.0±1.0 mmHg at 25°C |
折射率 | 1.646 |
海关编码 | 2918290000 |
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~79% 168899-47-6 |
文献:Hormann, Robert Eugene; Tice, Colin M.; Chortyk, Orestes; Smith, Howard; Meteyer, Thomas Patent: US2005/209283 A1, 2005 ; Location in patent: Page/Page column 33 ; |
~% 168899-47-6 |
文献:Perkin Journal of the Chemical Society, 1916 , vol. 109, p. 828,831 Journal of the Chemical Society, 1919 , vol. 115, p. 713 |
~% 168899-47-6 |
文献:Perkin Journal of the Chemical Society, 1916 , vol. 109, p. 828,831 Journal of the Chemical Society, 1919 , vol. 115, p. 713 |
上游产品 2 | |
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下游产品 1 | |
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% |