... is 25kg bag 4.delivery date: within 15 days Potassium sorbate1.Chemical Name: Potassium sorbate.2,4-di-ethene acid kalium, 2,4 ... -Hexadienoic acid potassium salt 2.Molecular Formula:C6H7KO23.Molecular weight: 150 ... Pb), ≤%10ppm0.001Aidehyde10ppm0.001Arsenic, ≤%3ppm0.0003Lead, ≤%5ppm0.0002 food preservative potassium sorbate food grade