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| CAS号 : | 3943-89-3 |
精确质量 : | 182.05800 |
| 分子式 : | C9H10O4 |
logP : | 1.27450 |
| 分子量 : | 182.17300 |
PSA : | 66.76000 |
3,4-二羟基苯甲酸乙酯 | |
Ethyl 3,4-dihydroxybenzoate | |
3943-89-3 | |
C9H10O4 | |
182.17300 | |
66.76000 | |
1.27450 | |
182.05800 |
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1.573
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白色晶体或粉末
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147ºC
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358.1ºC at 760 mmHg
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132-134 °C(lit.)
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1.294 g/cm3
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Store in a cool, dry place. Store in a tightly closed container.
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3
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S26-S36-S37/39
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2918290000
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Xi
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R36/37/38
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HS: 2918290000 Other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives |
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品名, 成分含量, 用途 |
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A.入境货物通关单 B.出境货物通关单 |
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R.进口食品卫生监督检验 S.出口食品卫生监督检验 |
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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% |
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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% |
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由3,4一二羟基苯甲酸与乙醇酯化而得。 | |
本品用作食品添加剂等。 |