607. Amylene

Nomenclature

CAS number: 513-35-9
2-Methyl-2-butene; β-isoamylene; trimethylethylene.
C5H10; mol wt 70.13.
C 85.63%, H 14.37%.

Description and references

Prepd by dehydration of tert-amyl alcohol in the presence of p-toluenesulfonic acid: Applequist, Babad, J. Org. Chem. 27, 288 (1962); by disproportionation of isobutene with propylene or 2-butene: Banks, Regier, Ind. Eng. Chem. Prod. Res. Dev. 10, 46 (1971).

Chemical structure

Properties

Liquid, bp 37.5-38.5°. Highly flammable, flash pt 0°F. d415 0.66. Disagreeable odor. Polymerizes on long standing. Practically insol in water. Miscible with alc, ether.

Caution

A simple asphyxiant.