Isocrotonic acid

• (Z )-2- butenoic acid
• Cis-2- butenoic acid
• Cis- β -methyl acrylic acid
• (Z)- β -methyl acrylic acid

Liquid

1.03 g · cm -3

15 ° C.

168-169 ° C

1.4450 (20 ° C)

Template: Infobox chemical / molecular formula search available

Isocrotonic, systematic name is (Z )-2- butenoic acid (obsolete: cis-2- butenoic acid ) is a short-chain unsaturated carboxylic acid. The (E) - isomer of the isocrotonic acid is crotonic acid.

Production

Isocrotonic acid produced during the distillation of β - hydroxyglutaric acid (3- hydroxyglutaric acid ) under reduced pressure:

Safety

Isocrotonic has the UN number 3472 and the number of hazard identification 80