Dimethyl Sulfoxide BP-USP is a pharma grade liquid that is widely used as a solvent in various chemical reactions. Its chemical formula is C2H6OS with a molecular weight of 78.13 g/mol Grams (g). It has a boiling point of 189 Degree Centigrade and a melting point of 19 Degree Centigrade. This product is known for its excellent solvent properties and is used to dissolve a wide range of organic and inorganic compounds. It is also used as an extraction solvent for separating various compounds. This product is stored at room temperature and is highly stable.