Sodium nitrite, as mordant agent,bleaching agent,corrosion inhibitor,antitoxic,analytical agent,preserving agent. Sodium nitriteSynonyms: Nitrous acid, sodium salt CAS No.: 7632-00-0 Molecular Weight: 69 ... in water and has strong groscopicity. Used as mordant agent, bleaching agent, corrosion inhibitor, antitoxic and analytical agent It also used as chromogen agent , preserving agent ...