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Name Acetal
synonym 1,1-Diethoxyacetal; 1,1-Diethoxyethane; Acetaldehyde diethyl acetal
Chinese Name 乙缩醛
Type 脂肪族化合物
CAS No 105-57-7
Physical Properties M 118.2, b 103.7-104℃, d420 0.831, nD25 1.38054, n25 1.3682.
Method for Purification 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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