19-Diphenyl-1368-nonatetraen-5-one

Dicinnamalacetone was used as an indicator in measuring the surface acidity of homoionic montmorillonites by titrating certain Hammett indicators adsorbed on the clay withn-butylamine[1]. It was also used as an indicator (yellow to bright red) for detection of excess hydrogen halides in many organic solvents (except alcohols).

For R&D use onlynot for drug household or other uses.