Mannitol(D-Mannitol) is a type of functional sugar alcohl with excellent performance.Its molecular formula is C6H14O6 and molecular weight is 182.17 .It is nonhygroscopic,odorless,white or colorless crystal powder.It can be wedely used in pharmaceutical,food,and other industries. Main application Medicine: Antihypertensive agents, diuretics, dehydration, laxative, pharmaceutical tablet excipients and filler, preparation with mannitol, mannitol hexanicotinate Food: sweeteners or anti adherent of sugarless gum, making ice cream, making the flavored sugar of the candy chocolate, and to be used in beverage, candy, and other food. Others: to replace glycerol in the production of toothpaste, Mannitol polyurethane, mannitol anhydride oleic acid ester, electrolytic capacitor of the electrolyte, and some good medium of micro-organisims.