Lactose monohydrate is a natural disaccharide, obtained from milk, which consists of one glucose and one galactose moiety. Product name:lactose monohydrate Appearance: white to off-white crystalline particles or powder Cas no.64044-51-5 Molecular formula : c12h22o11•h2o Molecular weight360.31 Specification: pharmaceutical grade. Application: Lactose is widely used as a filler or diluent in tablets and capsules, and to a more limited extent in lyophilized products and infant formulas. Lactose is also used as a diluent in dry-powder inhalation. Period of validity 2 years. Package:25kg/bag.