Product Short Description: Potassium Permagnate Ampule its other name is Potassium manganate Product Description: Potassium permanganate IUPAC name: Potassium manganate Other names: Potassium permanganate Potassium manganate CAS number 7722-64-7 Y EC number 231-760-3 UN number 1490 KEGG D02053 RTECS number SD6475000 Properties Molecular formula KMnO4 Molar mass 158.034 g/mol Appearance purplish-bronze-gray needles magenta–rose in solution Odor odorless Density 2.703 g/cm3 Melting point 240 °C decomp. Solubility in water 6.38 g/100 ml (20 °C) 25 g/100 mL (65 °C) Solubility decomposes in alcohol and organic solvents Structure Crystal structure Orthorhombic Thermochemistry Std enthalpy of formation ΔfHo298 −813.4 kJ/mol Standard molar entropy So298 171.7 J K–1 mol–1 Hazards MSDS External MSDS EU Index 025-002-00-9 EU classification Oxidant (O) Harmful (Xn) Dangerous for the environment (N) Non-Flammable R-phrases R8, R22, R50/53 S-phrases (S2), S60, S61 NFPA 704 020OXRelated compounds Other anions Potassium manganite Potassium manganate Other cations Sodium permanganate Ammonium permanganate Related compounds Manganese heptoxide Y. Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)