... as fluoride salt, bomate salt, Sodium Nitrite, water treatment and other sreies.CAS NO. 7632-00-0Formula NaNO2 ... Silk, flax bleach, metal heat treatment agent; Steel corrosion inhibitors; In meat products processing as agent, the hair color microbial agents, ... it lso be used as a mordant, bleach, metal heat treatment agent, electroplating, corrosion inhibitor, also for making and potassium nitrate ...