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Silver permanganate

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Silver permanganate
Names
IUPAC name Silver(I) permanganate
Systematic IUPAC name Silver(I) manganate(VII)
Other names Argentous permanganate
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.127 Edit this at Wikidata
EC Number
  • 232-040-1
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/Ag.Mn.4O/q+1;;;;;-1Key: FBDQITNNUANGAD-UHFFFAOYSA-N
  • InChI=1/Ag.Mn.4O/q+1;;;;;-1/rAg.MnO4/c;2-1(3,4)5/q+1;-1Key: FBDQITNNUANGAD-URBVJNAFAD
SMILES
  • .(=O)(=O)=O
Properties
Chemical formula AgMnO4
Molar mass 226.804 g/mol
Appearance purple crystals or gray powder
Density 4.27 g/cm
Melting point 160 °C (320 °F; 433 K) (decomposes)
Solubility in water 0.55 g/100 mL (0 °C)
1.69 g/100 mL (30 °C)
Magnetic susceptibility (χ) −63.0·10 cm/mol
Structure
Crystal structure monoclinic
Hazards
Occupational safety and health (OHS/OSH):
Main hazards Eye irritant
GHS labelling:
Pictograms GHS03: Oxidizing GHS07: Exclamation mark
Signal word Warning
Hazard statements H272, H312, H319, H332
Precautionary statements P210, P220, P261, P264, P270, P271, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P311, P321, P330, P337+P313, P362+P364, P370+P378, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Silver permanganate is an inorganic compound with the chemical formula AgMnO4. This salt is a purple crystal adopting a monoclinic crystal system. It decomposes when heated or mixed with water, and heating to high temperature may lead to explosion. The compound is used in gas masks.

Production

It can be produced through the reaction of silver nitrate and potassium permanganate:

AgNO3 + KMnO4 → AgMnO4 + KNO3

References

  1. Boonstra, E. G. (14 August 1968). "The crystal structure of silver permanganate". Acta Crystallographica Section B. 24 (8): 1053–1062. Bibcode:1968AcCrB..24.1053B. doi:10.1107/S0567740868003699.
  2. Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.
Silver compounds
Silver(0,I)
Silver(I)
Organosilver(I) compounds
  • AgC2H3O2
  • AgC22H43O2
  • CH3CH(OH)COOAg
  • C
    18H
    36AgO
    2
  • AgC4H3N2NSO2C6H4NH2
  • AgC
    11H
    23COO
    • Silver(II)
    Silver(III)
    Silver(I,III)
    Salts and covalent derivatives of the permanganate ion
    HMnO4 He
    LiMnO4 Be B C NH4MnO4 O F Ne
    NaMnO4 Mg(MnO4)2 Al(MnO4)3 Si P S Cl Ar
    KMnO4 Ca(MnO4)2 Sc Ti V Cr Fe Co Ni Cu Zn Ga Ge As Se Br Kr
    RbMnO4 Sr(MnO4)2 Y Zr Nb Mo Tc Ru Rh Pd AgMnO4 Cd(MnO4)2 In Sn Sb Te I Xe
    CsMnO4 Ba(MnO4)2 * Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
    Fr Ra ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
     
    * La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb
    ** Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No


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