Fever-allaying,analgesia,antirheumatism,used for arthralgia and rheumatoid arthritis partially. Fever-allaying,analgesia,antirheumatism,used for arthralgia and rheumatoid arthritis partially. Colorless crystal or crystal thin slice(scale)or white crystal powder,odorless or smelt sweet or salty slightly.Appears qualitative change when meets light,easily soluble in water,alcohol,and glycerin, ...