Lead(II,IV) oxide, also known as lead tetroxide, minium, red lead, or triplumbic tetroxide, is a chemical compound. It contains some lead atoms in the +2 oxidation state and some in the +4 oxidation state. It is used in batteries, paints, and glass. It dissolves in acids. It is made by heating lead(II) oxide in air. It is toxic because it contains lead.
Its formula is Pb3O4. It is commonly said "Sandur".
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