... Structural formula: Molecular formula & Molecular weight:C10H12O5;212.21 Propyl Gallate Appearance: white to milky white crystalline granules Quality index: ... metals. Packing: plastic bag lined cardboard round drum, Net wt 25kg. Purity: % 98-102 Melting point: ℃ 146--150 As: % ... acid),Pyrogallol(1,2,3-Benzenetriol),Ethyl gallate, Progyl Gallate, n-Octyl gallate,3,4,5-Trimethoxybenzaldehyde,Methyl 3,4, ...