|IUPAC name||propyl 3,4,5-trihydroxybenzoate|
|Other names||Gallic acid, propyl ester|
3D model (JSmol)
|ECHA InfoCard||Lua error in Module:Wikidata at line 879: attempt to index field 'wikibase' (a nil value). Lua error in Module:Wikidata at line 879: attempt to index field 'wikibase' (a nil value).|
|Molar mass||212.20 g/mol|
|Appearance||White crystalline powder|
|Except where noted otherwise, data are given for|
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references
Propyl gallate, or propyl 3,4,5-trihydroxybenzoate is an ester formed by the condensation of gallic acid and propanol. It is an antioxidant added to foods containing oils and fats to prevent oxidation. As a food additive, it is used under the E number E310.
Propyl gallate is an anti-oxidant. It protects against oxidation by hydrogen peroxide and oxygen free radicals, in a catalytic manner similar to superoxide dismutase.
Propyl gallate is used to protect oils and fats in products from oxidation.
It is used in foods, cosmetics, hair products, adhesives, and lubricants.