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 ... soluble in water; freely soluble in ethanol, ether and propane-1,2-diolAssay(on dry base)98.0% ... 24 months under above-mentioned conditions and in unopened container. 100kg Propyl Gallate Food Grade 99%, N Propyl Gallate, PG, CAS ...