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| CAS号 : | 1540-29-0 |
精确质量 : | 186.12600 |
| 分子式 : | C10H18O3 |
logP : | 1.94490 |
| 分子量 : | 186.24800 |
PSA : | 43.37000 |
2-正丁基乙酰乙酸乙酯 | |
Ethyl 2-acetylhexanoate | |
1540-29-0 | |
C10H18O3 | |
186.24800 | |
43.37000 | |
1.94490 | |
186.12600 |
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无色液体
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1.4320
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65°C/1mm
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0.107mmHg at 25°C
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0,95 g/cm3
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65°C 1mm
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2918300090
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S24/25
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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: |
其制备方法是在反应釜加入无水乙醇,然后慢慢加入小块金属钠,需要3～4h加完,在金属钠全部溶解后加入乙酰乙酸乙酯,开动搅拌,并加热至回流,在反应液中加入1-溴丁烷,加完后继续搅拌回流反应10h,反应结束后,冷却过滤,用无水乙醇洗涤沉淀,合并反应液和洗涤液,先蒸出乙醇,然后再减压蒸馏得成品。反应方程式:CH3COCH2COOC2H5+C4H9Br+CH3CH2ONa→CH3COCH(C4 | |
2-正丁基乙酰乙酸乙酯是杀菌剂二甲嘧酚和乙嘧酚的中间体 |
