Name:3,4,5-Trimethoxy benzoic acid Structural formula: 3,4,5-Trimethoxy benzoic acid Molecular formula & Molecular weight: C10H12O5; 212.2 Appearance: white or ... . Our strong products are:Tannic Acid(Pharmaceutical/Tech/Dyes/Food Grade),Gallic acid(3,4,5-Trihydroxybenzoic acid),Pyrogallol(1,2,3-Benzenetriol),Ethyl ...