Octyl gallate

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
CAS Number	1034-01-1 Y
ChEBI	CHEBI:83631 N
ChEMBL	ChEMBL277346 N
ChemSpider	55194 N
EC Number	213-853-0
Jmol 3D model	Interactive image
PubChem	61253
InChI InChI=1S/C15H22O5/c1-2-3-4-5-6-7-8-20-15(19)11-9-12(16)14(18)13(17)10-11/h9-10,16-18H,2-8H2,1H3 N Key: NRPKURNSADTHLJ-UHFFFAOYSA-N N InChI=1/C15H22O5/c1-2-3-4-5-6-7-8-20-15(19)11-9-12(16)14(18)13(17)10-11/h9-10,16-18H,2-8H2,1H3 Key: NRPKURNSADTHLJ-UHFFFAOYAL
SMILES CCCCCCCCOC(=O)C1=CC(=C(C(=C1)O)O)
Properties
Chemical formula	C15H22O5
Molar mass	282.34 g·mol−1
Appearance	White solid
Melting point	98 to 101 °C (208 to 214 °F; 371 to 374 K)
Vapor pressure	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
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

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).