英文名 | Acetal |
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英文别名 | 1,1-Diethoxyacetal; 1,1-Diethoxyethane; Acetaldehyde diethyl acetal |
中文名 | 乙缩醛 |
类型 | 脂肪族化合物 |
CAS号 | 105-57-7 |
物理性质 | M 118.2, b 103.7-104℃, d420 0.831, nD25 1.38054, n25 1.3682. |
提纯方法 | Dry acetal over Na to remove alcohols and H2O, and to polymerise aldehydes, then fractionally distil. Or, treat it with alkaline H2O2 at 40-45℃ to remove aldehydes, then saturate with NaCl, separate, dry with K2CO3 and distil it from Na [Vogel J Chem Soc 616 1948]. [Beilstein 1 IV 3103.] |
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