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| CAS号 : | 609-08-5 |
精确质量 : | 174.08900 |
| 分子式 : | C8H14O4 |
logP : | 0.74870 |
| 分子量 : | 174.19400 |
PSA : | 52.60000 |
甲基丙二酸二乙酯 | |
Diethyl Methylmalonate | |
609-08-5 | |
C8H14O4 | |
174.19400 | |
52.60000 | |
0.74870 | |
174.08900 |
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n20/D 1.413(lit.)
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透明液体
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170 °F
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198-199 °C(lit.)
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1.022 g/mL at 20 °C(lit.)
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immiscible
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Stable under normal temperatures and pressures.
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Keep away from heat, sparks, and flame. Keep away from sources of ignition. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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3
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S23-S24/25
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2917190090
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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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暂时无法加载合成路线，请稍后刷新重试 |
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<p>生产方法:将草酰丙酸二乙酯加热至激烈逸出一氧化碳,温度130-150℃。放出的气体减少后,逐步上升高温度,使液体回流直至气体逸尽。蒸馏得甲基丙二酸二乙酯,收率97%。</p> | |
<p>有机合成中间体。</p> |
