Propyl Gallate Food Grade 99%. A safe antioxidant for food, feed, pet food, cosmetics. Propyl Gallate Food Grade (E310) 99% Synonyms:Propyl gallate, propyl ester of ... ethanol, ether and propane-1,2-diolAssay(on dry base)98.0% - 102.0%Melting Range146 -150°CLoss on Drying0. ... above-mentioned conditions and in unopened container. 100kg Propyl Gallate Food Grade 99%, N Propyl Gallate, PG, CAS 121-79-9, ...