C6H7O2K
Potassium sorbate is a potassium salt having sorbate as the counterion. It has a role as an antimicrobial food preservative. It contains an (E,E)-sorbate.
Mold and yeast inhibitor. Used as a fungistatic agent for foods, especially cheeses.
National Center for Biotechnology Information. PubChem Database. Potassium sorbate, CID=23676745, https://pubchem.ncbi.nlm.nih.gov/compound/23676745 (accessed on July 13, 2020)