Lead(II,IV) oxide
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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,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]
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Quick Facts Names, Identifiers ...
Names | |
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Preferred IUPAC name
Lead tetroxide [1] | |
Other names
Minium, red lead, triplumbic tetroxide | |
Identifiers | |
3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.013.851 |
EC Number |
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PubChem CID |
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UNII | |
UN number | 1479 |
CompTox Dashboard (EPA) |
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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: | |
Danger | |
H272, H302, H332, H360, H373, H410 | |
P201, P220, P273, P308+P313, P501 | |
NFPA 704 (fire diamond) | |
Related compounds | |
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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