Lead(II,IV) oxide

Lead(II,IV) oxide
Sample of pulverised lead(III,IV) oxide
Sample of pulverised lead(III,IV) oxide
Names
Preferred IUPAC name
Lead tetroxide
Other names
  • Minium
  • Red lead
  • Triplumbic tetroxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.851
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 (932 °F; 773 K) decomposes
Vapor pressure 1.3 kPa (9.8 mmHg) (at 0 °C (32 °F))
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 diamond
3
0
0
Related compounds
Related lead oxides
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkYX markN ?)
Infobox references

Lead(II,IV) oxide, also called red lead, lead tetroxide, 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 in 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 2:1.