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This is an old revision of this page, as edited by Beetstra (talk | contribs) at 09:23, 6 December 2011 (Saving copy of the {{chembox}} taken from revid 464292597 of page Potassium_permanganate for the Chem/Drugbox validation project (updated: 'KEGG').). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Revision as of 09:23, 6 December 2011 by Beetstra (talk | contribs) (Saving copy of the {{chembox}} taken from revid 464292597 of page Potassium_permanganate for the Chem/Drugbox validation project (updated: 'KEGG').)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)
This page contains a copy of the infobox ({{chembox}}) taken from revid 464292597 of page Potassium_permanganate with values updated to verified values.
Potassium permanganate
Names
IUPAC name Potassium manganate(VII)
Other names Potassium permanganate
Potassium manganate(VII)
Chameleon mineral
Condy's crystals
Permanganate of potash
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
EC Number
  • 231-760-3
PubChem CID
RTECS number
  • SD6475000
UN number 1490
InChI
  • InChI=1S/K.Mn.4O/q+1;;;;;-1Key: VZJVWSHVAAUDKD-UHFFFAOYSA-N
SMILES
  • .(=O)(=O)=O
Properties
Chemical formula KMnO4
Molar mass 158.034 g/mol
Appearance purplish-bronze-gray needles
magenta–rose in solution
Odor odorless
Density 2.703 g/cm
Melting point 240 °C (464 °F; 513 K)
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 molar
entropy (S298) 		171.7 J K mol
Std enthalpy of
formation (ΔfH298) 		−813.4 kJ/mol
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazard OX: Oxidizer. E.g. potassium perchlorate
2 0 0OX
Related compounds
Other anions Potassium manganite
Potassium manganate
Other cations Sodium permanganate
Ammonium permanganate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Tracking categories (test):
Chemical compound