... . Propyl Gallate Food Grade (E310) 99% Synonyms:Propyl gallate, propyl ester of gallic acid, n-propyl ester of 3,4,5-trihydroxybenzoic acid ... , ether and propane-1,2-diolAssay(on dry base)98.0% - 102.0%Melting Range146 -150°CLoss on Drying0.5% max , 110 oC for ... 4hSulfated ash0.1% maxFree Acid (as Gallic Acid)0.5% maxChloride Organic compounds (as CL)100mg/kg maxSpecific absorbent(E ...