Octyl gallate

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Octyl gallate
Structural formula of octyl gallate
Space-filling model of the octyl gallate molecule
Names
IUPAC name
Octyl 3,4,5-trihydroxybenzoate
Other names
E311; Progallin O; n-Ocyl gallate; Stabilizer GA-8; Gallic acid octyl ester; 3,4,5-Trihydroxybenzoic acid octyl ester
Identifiers
1034-01-1 YesY
ChEBI CHEBI:83631 N
ChEMBL ChEMBL277346 N
ChemSpider 55194 N
EC number 213-853-0
Jmol-3D images Image
PubChem 61253
Properties
C15H22O5
Molar mass 282.33 g·mol−1
Appearance White solid[1]
Melting point 98 °C (208 °F; 371 K)[1]
Hazards
R-phrases R22-R43[1]
S-phrases S24-S37[1]
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 N verify (what isYesY/N?)
Infobox references

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.

Properties[edit]

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[edit]

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[edit]

  1. ^ a b c d Octyl gallate at chemicalland21.com