... 99%. A safe antioxidant for food, feed, pet food, cosmetics. Propyl Gallate Food Grade (E310) 99% Synonyms:Propyl gallate, propyl ester of ... containers, protected from light, and avoid contact with metals.Shelf Life:24 months under above-mentioned conditions and in unopened ... container. 100kg Propyl Gallate Food Grade 99%, N Propyl Gallate, PG, CAS 121-79 ...