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| CAS号 : | 108-56-5 |
精确质量 : | 188.06800 |
| 分子式 : | C8H12O5 |
logP : | 0.55450 |
| 分子量 : | 188.17800 |
PSA : | 72.83000 |
草酰乙酸二乙酯 | |
Diethyl Oxalacetate | |
108-56-5 | |
C8H12O5 | |
188.17800 | |
72.83000 | |
0.55450 | |
188.06800 |
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1.4492 (20ºC)
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87 °C / 1mmHg
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41ºC
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1.14
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0.0175mmHg at 25°C
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Freezer
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3
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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: |
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其制备方法是在三口瓶中加入乙酸乙酯、草酸乙酯和乙醇钠,反应得到草酰乙酸二乙酯盐,再进行酸化得到草酰乙酸二乙酯。 | |
草酰乙酸二乙酯是除草剂咪唑乙烟酸的中间体。有机合成中间体,用于生产白内停。 |
