英文名 | Cyclohexane carboxylic acid |
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英文别名 | hexahydrobenzoic acid |
类型 | 脂环族化合物 |
CAS号 | 98-89-5 |
物理性质 | M 172.2, m 31-32℃, b 63-67℃/~0.1mm, 110℃/8mm, 232-233℃/atm, d15 1.480, n20 1.460, pK25 4.90. |
提纯方法 | Crystallise the acid from hot H2O (solubility is 0.2% w/w at 15℃), it is soluble in organic solvents. Also distil it at as high a vacuum as possible and warm the condenser as it solidifies on cooling. The acid chloride [2719-27-9] M 146.6, has b 184℃/atm, d 25 1.096, the methyl ester has b 183℃/atm, and the S-benzylisothiuronium salt has m 165-166℃(from EtOH). [Beilstein 9 H 7, 9 I 5, 9 II 6, 9 III15, 9 IV 16.] |
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