ACS reagent
200
≥99.0%
crystals
≤0.005% insolubles
4.5-8.5 (25 °C, 5%)
334 °C (lit.)
chloride (Cl-): ≤0.002%iodate (IO3-): ≤5 ppmnitrite (NO2-): ≤0.001phosphate (PO43-): ≤5 ppmsulfate (SO42-): ≤0.003%
Ca: ≤0.005%Fe: ≤3 ppmMg: ≤0.002%Na: ≤0.005%heavy metals: ≤5 ppm (by ICP-OES)
[K+].[O-][N+]([O-])=O
1S/K.NO3/c;2-1(3)4/q+1;-1
FGIUAXJPYTZDNR-UHFFFAOYSA-N
Warning
Ox. Sol. 3
5.1B - Oxidizing hazardous materials
WGK 1