Octyl gallate

Octyl gallate

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
3D model (JSmol)	Interactive image
ChEBI	CHEBI:83631 N
ChEMBL	ChEMBL277346 N
ChemSpider	55194 N
ECHA InfoCard	100.012.594
EC Number	213-853-0
E number	E311 (antioxidants, ...)
PubChem CID	61253
UNII	079IIA2811 N
CompTox Dashboard (EPA)	DTXSID4040713
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	282.336 g·mol−1
Appearance	White solid
Melting point	98 to 101 °C (208 to 214 °F; 371 to 374 K)
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).