Nitrosylsulfuric Acid Cas 7782 78 7 Wholesale Nitrosylsulfuric Acid (HNO3S) is a highly reactive inorganic acid. It is a yellow, fuming liquid that is used as a reagent in chemical synthesis, particularly in the production of nitrosyl compounds, which are used in various applications, such as in analytical chemistry, as a reducing agent, and as a catalytic species in organic reactions. Nitrosyl sulfuric acid is a highly toxic and corrosive substance and should only be handled by trained professionals using appropriate protective measures. Specification of Nitrosylsulfuric Acid Linear Formula: HO3SONO CAS No.: 7782-78-7 Molecular Weight: 127.08 If you are looking for a reliable fine chemical distributor, please contact us.