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CAS 7758-97-6

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Lead chromate (PbCrO4)

Description:
Lead chromate (PbCrO4) is an inorganic compound characterized by its bright yellow color, which has historically made it a popular pigment in paints and coatings. It is a heavy metal chromate that appears as a solid crystalline powder. Lead chromate is insoluble in water but can dissolve in strong acids, releasing toxic lead ions. The compound is known for its stability under normal conditions, but it can decompose at elevated temperatures, releasing toxic chromium oxides. Due to its lead content, lead chromate poses significant health and environmental risks, including potential carcinogenic effects and lead poisoning. As a result, its use has been heavily regulated or banned in many countries. In addition to its pigment applications, lead chromate has been utilized in various industrial processes, including the production of other chromium compounds. Safety precautions are essential when handling this substance, and proper disposal methods must be followed to mitigate its environmental impact.
Formula:CrH2O4·Pb
InChI:InChI=1S/Cr.2H2O.2O.Pb/h;2*1H2;;;/q+2;;;;;/p-2
InChI key:InChIKey=XNDWUFHRHCJHDU-UHFFFAOYSA-L
SMILES:[Cr](O)(O)(=O)=O.[Pb]
Synonyms:
  • 77600
  • Bleichromat
  • Canary Chrome Yellow
  • Chromate de plomb
  • Chrome Lemon
  • Chrome Lemon Yellow [WNd]
  • Chrome Orange
  • Chrome Yellow
  • Chrome Yellow Deep [MA, WNd]
  • Chrome Yellow Lemon [MA]
  • See more synonyms
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