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异戊烯醇

维基百科,自由的百科全书
Prenol
IUPAC名
3-Methylbut-2-en-1-ol
别名 3,3-Dimethylallyl alcohol
识别
CAS号 556-82-1  checkY
PubChem 11173
ChemSpider 10700
SMILES
 
  • OC\C=C(/C)C
InChI
 
  • 1/C5H10O/c1-5(2)3-4-6/h3,6H,4H2,1-2H3
ChEBI 16019
性质
化学式 C5H10O
摩尔质量 86.132 g/mol g·mol⁻¹
密度 0.848 g/cm3
溶解性 17 g/100 ml (20 °C)
log P 0.91
蒸氣壓 3.17 hPa (25 °C, extrapolated)
危险性
GHS危险性符号
Flam. Liq. 3Acte Tox. (oral) 4
GHS提示词 WARNING
H-术语 H226, H302
P-术语 P210, P233, P240, P241, P242, P243, P264, P270, P301+312, P303+361+353, P330, P370+378, P403+235, P501
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

异戊烯醇3-甲基-2-丁烯-1-醇)是一种有机化合物,化学式为C5H10O,它是可溶于水的无色液体。

制备

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异戊烯醇在工业上可由甲醛异丁烯为原料反应,得到3-甲基-3-丁烯-1-醇后经异构化制得:[1]

The reaction of isobutene with formaldehyde to give isoprenol, the first step in the industrial manufacture of prenol
The reaction of isobutene with formaldehyde to give isoprenol, the first step in the industrial manufacture of prenol
The isomerization of isoprenol to prenol, the second step in the industrial manufacture of prenol
The isomerization of isoprenol to prenol, the second step in the industrial manufacture of prenol

参考文献

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  1. ^ See, e.g., Kogan, S. B.; Kaliya, M.; Froumin, N., Liquid phase isomerization of isoprenol into prenol in hydrogen environment, Appl. Catal. A: Gen., 2006, 297 (2): 231–36, doi:10.1016/j.apcata.2005.09.010 .