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| CAS号 : | 4437-06-3 |
精确质量 : | 100.01600 |
| 分子式 : | C4H4O3 |
logP : | -0.17390 |
| 分子量 : | 100.07300 |
PSA : | 54.37000 |
(2E)-4-Oxo-2-butenoic acid | |
4437-06-3 | |
C4H4O3 | |
100.07300 | |
54.37000 | |
-0.17390 | |
100.01600 |
|
132.1ºC
|
|
|
1.248g/cm3
|
|
|
271.2ºC at 760mmHg
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|
2918300090
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品名, 成分含量, 用途 |
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2918300090 其他含醛基或酮基不含其他含氧基羧酸（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:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
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2918300090. Other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |
