... . Propyl Gallate BP Grade / EP Grade 99% Synonyms:Propyl 3,4,5-Trihydroxybenzoate, N-Propyl GallateMolecular Formula:C10H12O5CAS#121-79-9EINECS ... ,C,DA. Melting Point: 148 - 151 °CB. Infrared absorptionC. Gallic Acid test by TLCD. Bismuth subnitrate test (bright yellow precipitate)Melting ...