... 98.5 Moisture, %, ≤ 1.5 1.8 2.0 Insol. in water, %, ≤ 0.03 0.06 -- Chlorides (cl)Assay(dry basis ... crystal with slight bitter taste; easily easily soluble in water, liquid ammonia, slightly soluble in glycerol and ethanol. Density: 2.257(20oC ... used as fluxing medium for enamel industry; as decolorizer, defoamer and clarifying agent for glass industry. Sodium nitrate is also used for ...