CAS: 7758-09-0 EC No: 231-832-4 MDL No: MFCD00011408 RTECS: TT3750000 UN No: UN1488; Haz Class: 5.1; Packing Group: II Crystalline Molecular Formula: KNO₂ MW: 85.11 Melting Point: 350° (decomposes) Density (g/mL): 1.915