| 英文名 | p-Aminobenzoic acid |
|---|---|
| 类型 | 芳香族化合物 |
| CAS号 | 150-13-0 |
| 物理性质 | M 137.1, m 187-188℃, pK125 2.45, pK225 4.85. |
| 提纯方法 | Purify p-aminobenzoic acid by dissolving it in 4-5% aqueous HCl at 50-60℃, decolorising with charcoal and carefully precipitating it with 30% Na2CO3 to pH 3.5-4 in the presence of ascorbic acid. It can be recrystallised from water, EtOH or EtOH/water mixtures. [Beilstein 14 IV 1126.] |
| 相关文献 | 暂无权限 |
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