庚醛 目录 性质 制备 用途 参考资料 导航菜单111-71-781307838C14390Record of CAS RN 111-71-7

醛


乙醇乙醚蓖麻油10-十一烯酸蓖麻酸甲酯亚硫酸氢钠碳酸钠庚醇庚酸














































庚醛[1]


IUPAC名
Heptanal
别名
正庚醛
n-庚醛
水芹醛
识别

CAS号

111-71-7  ✓

PubChem

8130

ChemSpider

7838

SMILES



InChI



InChIKey

FXHGMKSSBGDXIY-UHFFFAOYAJ

KEGG

C14390
性质

化学式

C7H14O

摩尔质量
114.18 g·mol⁻¹
外观
无色具令人不愉快气味的液体[2]

密度
0.80902 (30 °C)

熔点
-43.3 °C（230 K）

沸点
152.8 °C（426 K）

溶解性（水）
1.25 g·l−1(20 °C)[2]

蒸氣壓
86 Pa (20 °C)[2]

折光度n
D
1.4113 (1.4151) (20 °C)[3]
危险性

警示术语
R：R10, R38

安全术语
S：S25

欧盟分类
刺激性 (Xi)

LD50		14,000 mg/kg (大鼠经口)[3]
10,000 mg/kg (小鼠经口)[3]
若非注明，所有数据均出自一般条件（25 ℃，100 kPa）下。

正庚醛，简称庚醛，分子式C7H14O。




目录





  • 1 性质


  • 2 制备


  • 3 用途


  • 4 参考资料




性质


无色有果子香味油状液体。可燃。微溶于水，与乙醇、乙醚混溶。有害，长期接触可引起头晕，并能腐蚀皮肤。



制备


正庚醛为由蓖麻油制取10-十一烯酸时的副产物，由蓖麻酸甲酯在300°C裂解产生。用亚硫酸氢钠和碳酸钠提纯。



用途


用于合成香料、药物、橡胶制品，以及庚醇与庚酸酯等衍生物。



参考资料




  1. ^ 默克索引, 11th Edition, 4578.


  2. ^ 2.02.12.2 Record of CAS RN 111-71-7 in the GESTIS Substance Database from the IFA（英语：Institute for Occupational Safety and Health）


  3. ^ 3.03.13.2 中国化工产品大全 上卷，Da129 正庚醛，页508








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