Wiktionary
n. (context organic compound English) The carboxylic acid, benzene-1,3,5-tricarboxylic acid, obtained by oxidation of mesitylene
Wikipedia
Trimesic acid, also known as benzene-1,3,5-tricarboxylic acid, is a benzene derivative with three carboxylic acid groups.
Trimesic acid is a planar molecule (and is one of only four benzenecarboxylic acids with that property).
ZORAN MARKOVIĆ, DALIBOR BADJUK and IVAN GUTMAN (2004), Geometry and conformations of benzenecarboxylic acids. J. Serb. Chem. Soc. volume 69 issue 11, pages 877–882 (paper JSCS 3214), UDC 547.584/.585:539.193:54.02
Trimesic acid can be combined with para-hydroxypyridine to make a water-based gel, stable up to 95 °C.
Li Ming Tang and Yu Jiang Wang (2009), Highly stable supramolecular hydrogels formed from 1,3,5-benzenetricarboxylic acid and hydroxyl pyridines. Chinese Chemical Letters volume 20, issue 10, pp. 1259–1262.
Trimesic acid crystallizes from water in a hydrogen-bonded hydrated network with wide unidimensional empty channels.
F.H. Herbstein (1987), Structural Parsimony and Structural Variety Among Inclusion Complexes, Top. Curr. Chem., volume 140, p. 107