... Potassium sorbate.2,4-di-ethene acid kalium, 2,4-Hexadienoic acid potassium salt 2.Molecular Formula:C6H7KO23.Molecular weight: 150.224.CAS:24634-61 ... -55.Specificity: White crystal or crystalline powder6.Use: It is used for food, cosmetic, medical health ... Pb), ≤%10ppm0.001Aidehyde10ppm0.001Arsenic, ≤%3ppm0.0003Lead, ≤%5ppm0.0002 food preservative potassium sorbate food grade