Acesulfame potassium is a colorless to white crystalline powder, odorless, with a strong sweet taste, about 150 times as sweet as sucrose, taste similar to saccharin. High concentration has a bitter taste. With sugar alcohol, sucrose and other good mixture, and stable. Melting point is about 225℃, absorption spectrum 227nm, density 1.83g/m3 (loose density 1.1~1.3kg/dm3).Not hygroscopic, stable at room temperature. Soluble in water (30g/100ml, 20℃), slightly soluble in ethanol and other solvents.