CAS: 5470-11-1 EC No: 226-798-2 MDL No: MFCD00051089 RTECS: NC3675000 UN No: UN2923; Haz Class: 8 (6.1); Packing Group: III Solid Linear Formula: NH₂OH·HCl MW: 69.49 Melting Point: 155-157° (decomposes) Density (g/mL): 1.67