CAS: 10034-88-5 EC No: 231-665-7 MDL No: MFCD00149210 RTECS: VZ1860000 UN No: UN3260; Haz Class: 8; Packing Group: III Crystalline Linear Formula: NaHSO₄·H₂O MW: 138.07 Melting Point: 183° (decomposes) Density (g/mL): 2.103