Sodium nitrate is 1.used in azodyestuff,bleaching agent, 2.metal heat treatment auxiliary agent, 3.and in pharmaceutical in Sodium Nitrate Molecular formula ... , Potassium nitrate , azodyestuff, dye mordant in textile coloration, bleaching agent, metalheat treatment auxiliary agent, and antispetic in pharmaceuticalindustrySpecification:Assay (on Dried basis): 99 ...