Saccharin sodium dihydrate occurs as a white, odorless or faintly aromatic, efflorescent, crystalline powder. It has an intensely sweet taste, with a metallic or bitter aftertaste that at normal levels of use can be detected by approximately 25% of the population.
Saccharin sodium dihydrate is the sodium dihydrate form of saccharin, which belongs to the family of aromatic homomonocyclic compounds. It is an artificial sweetener that is hundreds times as sweet as sucrose.