... , carton. 1kg, 20kg, 25kg or following your demand Product name:Potassium SorbateMolecular formula:C6H7KO2Molecular weight:150.22Structure formula:CH3CH=CHCH=CHCOOKAppearance ... :plastic bag,carton;1kg, 20kg, 25kg or following your demand. POTASSIUM SORBATE