Propyl gallate

Aliase: Propyl 3,4,5-trihydroxybenzoate

CAS No.: 121-79-9

MF: C10H12O5

MM: 212.20

EC No.: 204-498-2

Appearance: White crystalline powder

MP: 150 °C

InChI=1S/C10H12O5/c1-2-3-15-10(14)6-4-7(11)9(13)8(12)5-6/h4-5,11-13H,2-3H2,1H3

Propyl gallate, or propyl 3,4,5-trihydroxybenzoate is an ester formed by the condensation of gallic acid and propanol.

Propyl gallate is used to protect oils and fats in products from oxidation; it is used in foods, cosmetics, hair products, adhesives, and lubricants.

It is used as a triplet state quencher and an antioxidant in fluorescence microscopy.