Lead(II,IV) oxide

Lead(II,IV) oxide
Names
	Preferred IUPAC name Lead tetroxide
	Other names Minium, red lead, triplumbic tetroxide
Identifiers
CAS Number	1314-41-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	21169908 ;
ECHA InfoCard	100.013.851
EC Number	215-235-6;
PubChem CID	16685188;
UNII	A4G39L7HN2 ;
UN number	1479
CompTox Dashboard (EPA)	DTXSID5029637 ;
	InChI InChI=1S/4O.3Pb Key: XMFOQHDPRMAJNU-UHFFFAOYSA-N ;
	SMILES O1[Pb]O[Pb]11O[Pb]O1;
Properties
Chemical formula	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
Crystal structure	Tetragonal, tP28
Space group	P42/mbc, No. 135
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H272, H302, H332, H360, H373, H410
Precautionary statements	P201, P220, P273, P308+P313, P501
NFPA 704 (fire diamond)	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). verify (what is ?) Infobox references

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.

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