... ,5-trihydroxybenzoic acid, propyl 3,4,5-trihydroxybenzoateMolecular Formula:C10H12O5CAS#121-79-9EINECS:204-498-2Molecular Weight:212.20SpecificationsItemRequirementAppearanceWhite or creamy ... .5% maxChloride Organic compounds (as CL)100mg/kg maxSpecific absorbent(E 1% 1 cm in ethanol at 275nm)485 - 520Arsenic3 mg ... Propyl Gallate Food Grade 99%, N Propyl Gallate, PG, CAS 121-79-9, EINECS 204-498-2