ACS reagent
200
≥99.0%
powder or crystals
≤0.005% insolubles
5.5-8.3 (25 °C, 5%)
306 °C (dec.) (lit.)
chloride (Cl-): ≤0.001%iodate (IO3-): ≤5 ppmnitrite (NO2-): ≤0.001%phosphate (PO43-): ≤5 ppmsulfate (SO42-): ≤0.003%
Ca: ≤0.005%Fe: ≤3 ppmMg: ≥0.002%heavy metals: ≤5 ppm (by ICP-OES)
[Na+].[O-][N+]([O-])=O
1S/NO3.Na/c2-1(3)4;/q-1;+1
VWDWKYIASSYTQR-UHFFFAOYSA-N
Warning
Eye Irrit. 2 - Ox. Sol. 3
5.1B - Oxidizing hazardous materials
WGK 1