... . 1kg, 20kg, 25kg or following your demand Product name:Potassium SorbateMolecular formula:C6H7KO2Molecular weight:150.22Structure formula:CH3CH=CHCH=CHCOOKAppearance ... crystal,crystal powder or flaky.Specification: ItemIndexAssay(as dry ), % ≥98.0-101.0Acidity(as sorbic acid)qualifiedAlkalinityqualifiedLoss on dry , % ≤1Heavy ... bag,carton;1kg, 20kg, 25kg or following your demand. POTASSIUM SORBATE