... ,moreover,we are factory,our price is very competitive. 1.Chemical Name: Potassium sorbate.2,4-di-ethene acid kalium Molecular Formula ... Pb), ≤%--0.001Aidehyde--0.001Arsenic, ≤%0.00020.0003Lead, ≤mg/kg2-- Potassium sorbate,powder and granular,PSG,PSP