Octyl gallate

from Wikipedia, the free encyclopedia
Structural formula
Structural formula of octyl gallate
General
Surname Octyl gallate
other names
  • Octyl 3,4,5-trihydroxybenzoate
  • Octyl 3,4,5-trihydroxybenzoate
  • Octyl gallate
  • E  311
Molecular formula C 15 H 22 O 5
Brief description

white solid

External identifiers / databases
CAS number 1034-01-1
EC number 213-853-0
ECHA InfoCard 100.012.594
PubChem 61253
Wikidata Q2317929
properties
Molar mass 282.35 g mol −1
Physical state

firmly

Melting point

100-101 ° C

solubility
  • practically insoluble in water
  • soluble in ethanol
safety instructions
GHS hazard labeling from  Regulation (EC) No. 1272/2008 (CLP) , expanded if necessary
07 - Warning

Caution

H and P phrases H: 302-317
P: 280-302 + 352
Toxicological data

1960 mg kg −1 ( LD 50 ,  rat ,  oral )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Octyl gallate ( octyl-3,4,5-trihydroxybenzoate ) is a chemical compound from the group of gallates and an ester of gallic acid .

Extraction and presentation

The compound can be obtained by esterifying gallic acid with octanol .

properties

Octyl gallate is a flammable white solid that is practically insoluble in water.

use

Octyl gallate has a slightly bitter taste and is used in the food industry due to its antioxidant effect.

Studies report fungicidal activity against Saccharomyces cerevisiae and Zygosaccharomyces bailii and antibacterial activity against Staphylococcus aureus .

The maximum amount in food is 100 to 200 mg / kg based on the fat content of food.

Individual evidence

  1. ↑ Entry on E 311: Octyl gallate (REMOVED FROM UNION LIST) in the European database on food additives, accessed on June 28, 2020.
  2. ↑ a b c d e f g h Entry on octyl 3,4,5-trihydroxybenzoate in the GESTIS substance database of the IFA , accessed on July 23, 2016(JavaScript required) .
  3. ^ Gerhard Eisenbrand, Peter Schreier, Alfred Hagen Meyer: RÖMPP Lexikon Lebensmittelchemie, 2nd edition, 2006 . Georg Thieme Verlag, 2014, ISBN 3-13-179282-5 , p. 418 ( limited preview in Google Book search).
  4. ↑ Entry on Octyl 3,4,5-trihydroxybenzoate in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
  5. ↑ Lebensmittellexikon.de : Octyl gallate, E 311: Definition, product knowledge, food science , accessed on September 19, 2015
  6. ↑ Data sheet Octyl gallate, antioxidant, ≥99.0% (HPLC) from Sigma-Aldrich , accessed on September 19, 2015 ( PDF ).
  7. ↑ Sarastro GmbH: Ordinance on the approval of food additives for technological purposes (Additive Approval Ordinance - ZZulV) . BoD - Books on Demand, 2012, ISBN 978-3-86471-742-0 , pp. 68 ( limited preview in Google Book search).