| 英文名 | Formaldehyde dimethyl acetal |
|---|---|
| 英文别名 | dimethoxymethane, methylal, formal |
| 类型 | 脂肪族化合物 |
| CAS号 | 109-87-5 |
| 物理性质 | M 76.1, m -108℃, b 41-42℃/736mm, 41-43℃/atm, 42-46℃/atm, d420 0.8608, nD20 1.35335. |
| 提纯方法 | It is a volatile flammable liquid which is soluble in three parts of H2O, and is readily hydrolysed by acids. Purify it by shaking with an equal volume of 20% aqueous NaOH, stand for 20minutes, dry over fused CaCl2, filter and fractionally distil it through an efficient column. Store it over molecular sieves. [Buchler et al. Org Synth Coll Vol III 469 1955, Rambaud & Besserre Bull Soc Chim Fr 45 1955, IR: Wilmshurst Can J Chem 36 285 1958, Beilstein 1 IV 3026.] |
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Formaldehyde dimethyl acetal提纯方法
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