E357 (Potassium adipate) is a chemical compound, potassium salt of adipic acid obtained by a synthesis process with potassium hydroxide.

It appears as a whitish crystalline powder.

What it is used for and where

Food

Ingredient listed in the European food additives list as E357, acidity regulator.

Other uses

Adsorption and surface modification of anionic resin. Mainly used to improve the low-temperature behaviour of plastic production and can be used alone as the main plasticiser, or combined with phthalates.

• Molecular Formula  C₆H₈K₂O₄  
• Molecular Weight     222.32
• CAS  19147-16-1
• UNII    493TD6PDYS
• EC Number   242-838-1
• DSSTox ID  DTXSID60894861
• IUPAC  dipotassium;hexanedioate
• InChl=1S/C6H10O4.2K/c7-5(8)3-1-2-4-6(9)10;;/h1-4H2,(H,7,8)(H,9,10);;/q;2*+1/p-2
• InChl Key      GCHCGDFZHOEXMP-UHFFFAOYSA-L
• SMILES  C(CCC(=O)[O-])CC(=O)[O-].[K+].[K+]
• Nikkaji     J125.426J

Synonyms:

• Hexanedioic acid,dipotassium salt (9CI)
• Hexanedioic acid,potassium salt (1:2)

Studies

Berbar, Y., Amara, M. and Kerdjoudj, H., 2012. Effect of adsorption of polyethyleneimine on the behaviour of anion exchange resin. Procedia engineering, 33, pp.126-133.

Lyutyi, V.P. and Kharitonov, N.P., 1963. Synthesis and some properties of organosilicon polyesters with a siloxane bond in the main chain. Bulletin of the Academy of Sciences of the USSR, Division of chemical science, 12, pp.1895-1897.

Bilinski, H., & Brničević, N. (1983). Precipitation and complex formation of zirconium (IV) with malonic, succinic and adipic acids at 298 K. Croatica Chemica Acta, 56(1), 53-59.

Sépulchre, M., Paulus, G., & Jérôme, R. (1983). Specific functionalization of polyoxirane by amino, carboxyl, sulfo, and halogeno end groups. Die Makromolekulare Chemie, 184(9), 1849-1859.

Chimirri, F., Bosco, F., Ceccarelli, R., Venturello, A., & Geobaldo, F. (2010). SUCCINIC ACID AND ITS DERIVATIVES: FERMENTATIVE PRODUCTION USING SUSTAINABLE INDUSTRIAL AGRO-FOOD BY-PRODUCTS AND IT APPLICATIONS IN THE FOOD INDUSTRY. Italian Journal of Food Science, 22(2).