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Lead(II,IV) oxide
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<p>Lead(II,IV) oxide, also called red lead or <a href="/facts/Minium_(mineral)/2TWmmyhX">minium</a>, is the inorganic compound with the formula Pb3O4. A bright red or orange solid, it is <a href="/facts/Minium_(pigment)/Eu8kFbsn">used as pigment</a>, in the manufacture of <a href="/facts/Lead%25E2%2580%2593acid_battery/84b8hALA">batteries</a>, and <a href="/facts/Rust/sajUmaz8">rustproof</a> <a href="/facts/Primer_(paint)/GjfeFxNh">primer paints</a>. It is an example of a <a href="/facts/Mixed_valence_compound/N5Ru4JCw">mixed valence compound</a>, being composed of both <a href="/facts/Oxidation_number/W53W6s6V">Pb(II) and Pb(IV)</a> in the ratio of two to one. </p>