Melting point 15 °C | ||
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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.
References
Isocrotonic acid Wikipedia(Text) CC BY-SA