... Application:It is used in hair dying, dying of suturing materials and for oxygen absorption in gas analysis, photo ... intermediate, pesticide (Bendiocarb), insecticide, heat sensitizer and polymerization inhibitor.Packing:In fiber drum with light resistant inner bag , ... in unopened container. 100kg Pyrogallol A.R. Grade 99.8%, Pyrogallic Acid, 1,2,3-Trihydroxybenzene; 1,2,3-Benzenetriol; CAS 87-66-1 ...