Formula C15H22O5 Appearance White solid | Molar mass 282.33 g/mol | |
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Octyl gallate is the ester of 1-octanol and gallic acid. As a food additive it is used under the E number E311 as an antioxidant and preservative.
Contents
Properties
Octyl gallate is a white powder with a characteristic odor. It is very slightly soluble in water and soluble in alcohol. Its solubility in lard is 1.1%. Octyl gallate darkens in presence of iron.
Uses
This antioxidant is used in numerous cosmetics and pharmaceutical, cosmetic, and food products such as soaps, shampoos, shaving soaps, skin lotions, deodorants, margarine, and peanut butter.
It is a synergistic antioxidant with butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA).
References
Octyl gallate Wikipedia(Text) CC BY-SA