Potassium sorbate is the potassium salt of sorbic acid, chemical formula CH₃CH=CH−CH=CH−CO₂K. It is a white salt that is very soluble in water. It is primarily used as a food preservative. Potassium sorbate is effective in a variety of applications including food, wine, and personal-care products. Wikipedia
Formula: C6H7KO2
Molar mass: 150.22 g/mol
IUPAC ID: Potassium (2E,4E)-hexa-2,4-dienoate
Melting point: 270 °C
LD50 (median dose): 4340 mg/kg (oral, rat)
Soluble in: Water