... , V and K8780 reagent Name: Pyrogallic Acid Chemical Name: 1,2,3-Benzenetriol. Molecular formula & Molecular weight: C6H3(OH)3; ... AR grade Appearance: White powder White powder White powder Purity %: ≥99.2 ≥99.5 ≥99.8 Water solubility: clear clear clear Melting point ℃ : ≤131 ... Grade),Gallic acid(3,4,5-Trihydroxybenzoic acid),Pyrogallol(1,2,3-Benzenetriol),Ethyl gallate, Progyl Gallate, n-Octyl gallate ...