Lead Monoxide Properties, Molecular Formula, Applications - WorldOfChemicals

Lead Monoxide Properties

Lead Monoxide

Molecule Structure Image



Lead monoxide is an inorganic compound. It is produced on a large scale as an intermediate in the conversion of lead ores, mainly galena into metallic lead. The consumption of lead, and hence the processing of PbO, correlates with the number of automobiles because it remains the key component of automotive lead-acid batteries. It is used extensively in manufacturing of lead glasses and ceramic glazes as well as in fine dinnerware. Other less dominating applications include the vulcanization of rubber and the production of certain pigments and paints. It is used in cathode ray tube glass to block X-ray emission, but mainly in the neck and funnel because it can cause discoloration when used in the faceplate. Strontium oxide is preferred for the faceplate. PbO is used in certain condensation reactions in organic synthesis.

Chemical Properties

Appearance Red or Yellow Powder
Boiling Point 1477 °C
CAS Number 1317-36-8
Class 6.1
Crystal Structure Tetragonal
Density 9.64 g/cm3
EINECS Number 215-267-0
IUPAC Name Lead(II) Oxide
InChI 1S/O.Pb/q-2;+2
Melting Point 888 °C
Molar Mass 223.20 g/mol
Molecular Formula PbO
NFPA 704 H-3,F-0,R-0,C-NA
Other_Cations Carbon Monoxide;Silicon Monoxide;Tin(II) Oxide
PG 3
RTECS Number OG1750000
Related Compounds Thallium(III) Oxide;Bismuth(III) Oxide
Solubility Insoluble
Synonyms Litharge;Massicot;Plumbous Oxide;Lead(II) Oxide;C.I. 77577;C.I. Pigment Yellow 46;Lead Monooxide;Lead Oxide
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