7122. 1-Pentene

Nomenclature

CAS number: 109-67-1
Propylethylene; α-n-amylene.
C5H10; mol wt 70.13.
C 85.63%, H 14.37%.

Description and references

Occurs in coal tar. Prepd from allyl bromide and ethylmagnesium bromide in ether or better in dipropyl ether: Meisenheimer, Casper, Ber. 54, 1663 (1921); Norris, Joubert, J. Am. Chem. Soc. 49, 885 (1927); Kirrmann, Compt. Rend. 184, 1178 (1927).

Chemical structure

Properties

Liquid. d420 0.6429; bp760 30.1°; nD20 1.3714. Insol in water. Miscible with alcohol, ether, benzene.