Tags: Chemical Compound, Chemical Substance.
Isocrotonic acid (or quartenylic acid) is the cis analogue of crotonic acid. It is an oil possessing a smell similar to that of brown sugar. It boils at 171.9 °C concomitant with conversion into crotonic acid. Isomerizaton is complete when the cis acid is heated to 170–180 °C in a sealed tube.
