... , little water content , white granule granular sodium nitratelittle water contentwhite granuleSodium Nitrate Formula: NaNO3, Molecular Weight ... 1.5% max Water insoluble matter...0.06%max Sodium nitrite(NaNO2)...0.02% max Chloride(as Cl)...0 ... heat treatment auxiliary agent, and antispetic in pharmaceutical industry Sodium Nitrate Excellent GradeFirst GradeQualified GradeNaNO3 %99.599.398.5Moisture ...