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CAS 1319-46-6

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White lead

Description:
White lead, chemically known as lead(II) carbonate, is a white, opaque pigment historically used in paints, ceramics, and as a corrosion inhibitor. Its chemical formula is PbCO₃, and it is characterized by its high opacity and excellent covering power, making it a favored choice in artistic and industrial applications. White lead is relatively insoluble in water but can dissolve in acidic solutions, releasing toxic lead ions. Due to its toxicity, particularly concerning lead poisoning, its use has been heavily restricted or banned in many countries. The substance can also undergo photochemical reactions, leading to the formation of lead oxide when exposed to light. In terms of safety, handling white lead requires strict precautions, including the use of personal protective equipment, to prevent inhalation or ingestion of lead particles. Overall, while white lead has historical significance in various applications, its health risks necessitate careful management and consideration of safer alternatives in modern practices.
Formula:CO3·HO·Pb
InChI:InChI=1S/CH2O3.H2O.Pb/c2-1(3)4;;/h(H2,2,3,4);1H2;/p-3
InChI key:InChIKey=FKRDCRZYTCMHEM-UHFFFAOYSA-K
SMILES:[OH-].[Pb].C(=O)([O-])[O-]
Synonyms:
  • Almex
  • Basic carbonate white lead
  • Basic lead carbonate
  • Basic lead carbonate (2PbCO3.Pb(OH)2)
  • Basic lead carbonate (2PbCO<sub>3</sub>.Pb(OH)<sub>2</sub>)
  • BasicLeadCarbonate
  • Basicleadcarbonate(2Pbco3.Pb(Oh)2)
  • Berlin White
  • Berlinwhite
  • Bis(Carbonato(2-))Dihydroxytri-Lea
  • See more synonyms
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