... ; 1,2,3-BenzenetriolMolecular Formula:C6H3(OH)3CAS#87-66-1EINECS:201-762-9Molecular Weight:126.11Specifications:ItemUnitRequirementAppearance White Crystalline ... 02 maxSulfate%0.005 maxChloride%0.001 max Application:It is used in hair dying, dying of suturing materials and for ... Pyrogallol A.R. Grade 99.8%, Pyrogallic Acid, 1,2,3-Trihydroxybenzene; 1,2,3-Benzenetriol; CAS 87-66-1 EINECS 201-762 ...