Lead(II,IV) oxide

Lead(II,IV) oxide
Sample of pulverised lead(III,IV) oxide
Names
Preferred IUPAC name
Lead tetroxide [1]
Other names
Minium, red lead, triplumbic tetroxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.851 Edit this at Wikidata
EC Number
  • 215-235-6
UNII
UN number 1479
  • InChI=1S/4O.3Pb checkY
    Key: XMFOQHDPRMAJNU-UHFFFAOYSA-N checkY
  • O1[Pb]O[Pb]11O[Pb]O1
Properties
Pb3O4
Molar mass 685.6 g·mol−1
Appearance Vivid orange crystals
Density 8.3 g/cm3
Melting point 500 °C (decomposition)
Vapor pressure 1.3 kPa (at 0 °C)
Structure
Tetragonal, tP28
P42/mbc, No. 135
Hazards
GHS labelling:
GHS07: Exclamation mark GHS08: Health hazard GHS09: Environmental hazard
Danger
H272, H302, H332, H360, H373, H410
P201, P220, P273, P308+P313, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 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 hazards (white): no code
3
0
0
Related compounds
Related lead oxides
 Lead(II) oxide
Lead(IV) oxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Lead(II,IV) oxide, also called red lead or minium, is the inorganic compound with the formula Pb3O4. A bright red or orange solid, it is used as pigment, in the manufacture of batteries, and rustproof primer paints. It is an example of a mixed valence compound, being composed of both Pb(II) and Pb(IV) in the ratio of two to one.[2]

  1. ^ "VOLUNTARY RISK ASSESSMENT REPORT ON LEAD AND SOME INORGANIC LEAD COMPOUNDS". Retrieved 2012-12-25.
  2. ^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.