您好,欢迎来到魔法化学网!

| CAS号 : | 3147-58-8 |
精确质量 : | 204.04200 |
| 分子式 : | C11H8O4 |
logP : | 1.94920 |
| 分子量 : | 204.17900 |
PSA : | 77.76000 |
1,3-二羟基萘-2-甲酸 | |
1,3-dihydroxynaphthalene-2-carboxylic acid | |
3147-58-8 | |
C11H8O4 | |
204.17900 | |
77.76000 | |
1.94920 | |
204.04200 |
|
2918290000
|
HS: 2918290000 Other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives |
|
品名, 成分含量, 用途 |
|
A.入境货物通关单 B.出境货物通关单 |
|
R.进口食品卫生监督检验 S.出口食品卫生监督检验 |
|
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% |
|
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% |
由1,3-二羟基-2-萘甲酸乙酯在二氧六环中与氢氧化钡溶液反应,然后用硫酸酸化而得,收率90%。 | |
有机合成中间体。 |