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| CAS号 : | 21577-50-4 |
精确质量 : | 255.83700 |
| 分子式 : | C4H2Br2O3 |
logP : | 1.27130 |
| 分子量 : | 257.86500 |
PSA : | 54.37000 |
2,3-二溴-4-氧-2-丁烯酸 | |
2,3-dibromo-4-oxobut-2-enoic acid | |
21577-50-4 | |
C4H2Br2O3 | |
257.86500 | |
54.37000 | |
1.27130 | |
255.83700 |
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1.625
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148.4ºC
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321.8ºC at 760mmHg
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2.43g/cm3
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5.99E-05mmHg at 25°C
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2918300090
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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