E421

E421: properties, uses, pros, cons, safety E421 (Mannitol) is a polyol (sugar alcohol) widely used in the food, pharmaceutical, and cosmetic sectors. From a chemical point of view, it corresponds to D-mannitol, with the formula C6H14O6 and a molecular weight of about 182.17 g/mol. It generally appears as a white crystalline powder, with a sweet...