Used as a source for oxygen.Appearance:Blackish or brownish black powderSolubility:Insoluble in waterMelting Point:~1026°Insoluble Material≤0.02% (in dilute HCl)Purity (Ttitration):≥99.0%Carbon compounds (C):≤0.01%Chloride (Cl-):≤0.005%Sulfate (SO42-):≤ 0.02%Nitrogen Compounds (as N):≤ 0.002%Calcium (Ca):≤ 0.01%Iron (Fe):≤0.05%Potassium (K):≤0.02%Sodium (Na):≤0.05%Storage Temp: Store at RT