2-辛醇

2-辛醇[1][2]
IUPAC名
Octan-2-ol
别名 仲辛醇
识别
CAS号 123-96-6  checkY
PubChem 1968
ChemSpider 1892
SMILES
 
  • c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)N5C=CCC(=C5)N)O)O)O)OP(=O)(O)O)N
InChI
 
  • 1/C20H30N7O16P3/c21-9-2-1-3-26(4-9)19-15(30)13(28)10(40-19)5-38-45(34,35)43-46(36,37)39-6-11-14(29)16(42-44(31,32)33)20(41-11)27-8-25-12-17(22)23-7-24-18(12)27/h1,3-4,7-8,10-11,13-16,19-20,28-30H,2,5-6,21H2,(H,34,35)(H,36,37)(H2,22,23,24)(H2,31,32,33)
InChIKey IMPUPYZMUDSKSF-UHFFFAOYAA
EINECS 204-667-0
性质
化学式 C8H18O
摩尔质量 130.23 g·mol⁻¹
外观 无色、有特殊气味的油状液体
密度 0.822 g/cm³
熔点 −38 °C
沸点 178−179 °C
溶解性（水） 1 g/L (20 ºC)
溶解性（其他） 可混溶于乙醇、乙醚、氯仿等
危险性
警示术语 R：R36/37/38
安全术语 S：S26, S36, S37/39
欧盟分类 刺激性 (Xi)
闪点 88 °C（开杯）[3]
致死量或浓度：
LD50（中位剂量）
 4000 mg/kg (小鼠经口)
＞3200 mg/kg (大鼠经口)
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

2-辛醇，分子式C8H18O。

性质

无色、有芳香气味的油状液体。易燃。低毒，稍有杀菌性。微溶于水，与乙醇、乙醚和氯仿等溶剂混溶。

制备

蓖麻油水解得混合脂肪酸和甘油。将蓖麻醇酸制成相应钠盐，然后将钠盐与强碱在高温下进行反应，使其裂解为2-辛醇和癸二酸二钠。分出2-辛醇水溶液，经蒸发得2-辛醇。

用途

用于制取增塑剂邻苯二甲酸二仲辛酯、消泡剂、纤维油剂、煤矿浮选剂、表面活性剂和农药乳化剂。也用作蜡和油脂的溶剂。

参考资料

  1. ^ 2-辛醇(6169-06-8)
  2. ^ 仲辛醇(6169-06-8)
  3. ^ 中国化工产品大全 上卷，Da064 2-辛醇，页480

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