... % Tech Grade 99.3% Ammonium Chloride 99.3%Molecular Formula: NH4ClMolecular weight: 53 ... mainly used in making day-batteries and storage batteries, ammonium salt, tan, electroplating, electrodes, medicines, bonding agent ... ItemUnitIndustry GradeAgriculture GradeAssay%≥99.395Moisture %≤1.01.0Sodium chloride%≤0.2---Iron (as Fe)%≤0.001---Heavy ... %≤0.02---Nitrogen Potassium%≤---25.4 Ammonium Chloride 99.3%