CAS: 7601-90-3 EC No: 231-512-4 MDL No: MFCD00011325 RTECS: SC7500000 UN No: UN1873; Haz Class: 5.1 (8); Packing Group: I Liquid Molecular Formula: HClO₄ MW: 100.46 Melting Point: -112° Boiling Point: 203° Flash Point: >110°C (>230°F) …