CAS: 70693-62-8 EC No: 274-778-7 MDL No: MFCD00040551 UN No: UN3084; Haz Class: 8 (5.1); Packing Group: II Crystalline/Granular Linear Formula: 2KHSO₅·KHSO₄·K₂SO₄ MW: 614.76 Density (g/mL): 1.15