6746. 2,2,3,3,4,4,5,5-Octafluoro-1-pentanol

Nomenclature

CAS number: 355-80-6
1H,1H,5H-Octafluoropentanol; 1,1,5-trihydroperfluoropentanol.
C5H4F8O; mol wt 232.07.
C 25.88%, H 1.74%, F 65.49%, O 6.89%.

Description and references

Prepd by free radical telomerization of tetrafluoroethylene in methanol: Hanford, Joyce, US 2562547 and Joyce, US 2559625 (both 1951 to du Pont).

Chemical structure

Properties

Liquid. d420 1.6647. bp760 140-141°. nD20 1.3178. Surface tension at 20° = 27.6 dynes/cm.

Use

To introduce fluoroalkyl groups into an organic molecule: Kramer, Gilbert, US 2963526 (1960 to Esso). Proposed intermediate for plastics, surface-active agents, lubricants, elastomers.