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 gallic acid, n ... -mentioned conditions and in unopened container. 100kg Propyl Gallate Food Grade 99%, N Propyl Gallate, PG, CAS 121-79-9, EINECS 204-498-2