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 ... as chromogen agent , preserving agent in food industry.Specifications:Sodium Nitrite (on dried basis): 98.5% Max.Sodium Nitrate (on dried basis): 1% max ... : in 25kg net each PP bags lined with PE bags. sodium nitrite