It is used as buffer, corrective, preservative, color protection. 1Chemical name: POTASSIUN ACETATE2Formular : C2H3KO23Molecular Weight: 98.144Character: White crytalline powder. Taste salty, easy deliquescence. Relative density 1.570. melting point 292. Easy soluble in water , ethanol and carbinol,insoluble in aether.5Uses: It is used as buffer, corrective, preservative, color protection. ...