Title: Potassium Sorbate
CAS Registry Number: 24634-61-5
CAS Name: 2,4-Hexadienoic acid potassium salt
Additional Names: sorbic acid potassium salt; potassium 2,4-hexadienoate; BB powder
Molecular Formula: C6H7KO2
Molecular Weight: 150.22
Percent Composition: C 47.97%, H 4.70%, K 26.03%, O 21.30%
Line Formula: CH3CH=CHCH=CHCOOK
Literature References: Prepd from sorbic acid and KOH: Probst, Oehme, US 3173948 (1965 to Hoechst).
Properties: Crystals, d2025 1.363. Dec above 270°. Soly in water at 20°: 58.2%; in alc: 6.5%.
Density: d2025 1.363
Use: As mold and yeast inhibitor, like sorbic acid, esp where greater soly in water is desirable.