|Preferred IUPAC name
3D model (JSmol)
CompTox Dashboard (EPA)
|Molar mass||164.16 g/mol|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
o-Coumaric acid is a hydroxycinnamic acid, an organic compound that is a hydroxy derivative of cinnamic acid. There are three isomers of coumaric acids — o-coumaric acid, m-coumaric acid, and p-coumaric acid — that differ by the position of the hydroxy substitution of the phenyl group.
o-Coumaric acid can be found in vinegar.