Pyrogallol A.R. Grade 99.8%. Pyrogallic Acid ACS Pyrogallol A.R. Grade 99.8% Synonyms:Pyrogallic Acid; 1,2,3-Trihydroxybenzene ... photo developing agent, pharmaceutical intermediate, pesticide (Bendiocarb), insecticide, heat sensitizer and polymerization inhibitor.Packing:In fiber drum with light ... in unopened container. 100kg Pyrogallol A.R. Grade 99.8%, Pyrogallic Acid, 1,2,3-Trihydroxybenzene; 1,2,3 ...