White crystal or crystalline powder. Smell-less, melting point: ~ 245 ( decompound) . No optical rotation. The chemical properties are stable. Soluble in water( 20.1g/ 100ml 25 ) , the aqueous solution has sweet taste and it is tasty and refreshing. Hard to dissolve in methanol, ethanol 0.07g/ 100ml 25 , acetone, etc.