... reagent Name: Pyrogallic Acid Chemical Name: 1,2,3-Benzenetriol. Molecular formula & Molecular weight: C6H3(OH)3; 126.11 Pyrogallic Acid Appearance: white ... (Pharmaceutical/Tech/Dyes/Food Grade),Gallic acid(3,4,5-Trihydroxybenzoic acid),Pyrogallol(1,2,3-Benzenetriol),Ethyl gallate, Progyl Gallate, n-Octyl ...