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| CAS号 : | 4487-61-0 |
精确质量 : | 304.03600 |
| 分子式 : | C13H8F4O4 |
logP : | 2.83450 |
| 分子量 : | 304.19400 |
PSA : | 56.51000 |
乙基5,6,7,8-四氟-2-甲基-4-氧代-4H-苯并吡喃-3-羧酸酯 | |
Ethyl 5,6,7,8-tetrafluoro-2-methyl-4-oxo-4H-chromene-3-carboxylat e | |
4487-61-0 | |
C13H8F4O4 | |
304.19400 | |
56.51000 | |
2.83450 | |
304.03600 |
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1.5
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164.7ºC
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1.49g/cm3
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358.2ºC at 760 mmHg
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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: |
