Name: Propyl Gallate CAS:121-79-9 Chemical Name: Propyl 3,4,5-trihydroxybenzoate Structural formula: Molecular formula & Molecular weight:C10H12O5;212. ... ),Gallic acid(3,4,5-Trihydroxybenzoic acid),Pyrogallol(1,2,3-Benzenetriol),Ethyl gallate, Progyl Gallate, n-Octyl gallate,3,4,5-Trimethoxybenzaldehyde,Methyl 3,4,5 ...