... : ASSAY (as KNO3)99.4% minPOTASSIUM OXIDE (as K2O )46.0% minNITROGEN13.0% minMOISTURE0.1% maxWATER INSOLUBLES0.02% maxSUIPHATE (as SO4 ... packing Do not store near combustible materials. Store in a tightly closed container. Store in a cool, dry, well-ventilatedarea away from ... , Petrochemicals, Toothpaste, Denitrifies, eat Curing, Cheese, rocket propellants potassium nitrate 13-0-46