Molecular formula: BiK2C6H7O7and8226;H2O Molecular weight: 495.98 Charactor: Bismuth potassium citrate is white powder,has salty taste and easily absorb moisture.Easily dissolve in the water,slightly dissolve in the ethanol. Bismuth potassium is used for chronic gastritis and relief of stomachache,stomach burning sensation and sour regurgitation caused by overmuch gastric acid;as well gastric ulcer,duodenal ulcer etc. Quality standard(CP)