Propyl gallate, or propyl 3, 4, 5-trihydroxybenzoate is an ester formed by the condensation of gallic acid and propanol. Since 1948, this antioxidant has been added to foods containing oils and fats to prevent oxidation. As a food additive, it is used under the e number e310. Specification:- Molecular weight 212.201 g/mol Xlogp3 1.8 Hydrogen bond donor count 3 Hydrogen bond acceptor count 5 Rotatable bond count 4 Exact mass 212.068 g/mol Monoisotopic mass 212.068 g/mol Topological polar surface area 87 a^2 Heavy atom count 15
