Basic Lead Carbonate
Title: Basic Lead Carbonate
CAS Registry Number: 1319-46-6
CAS Name: C.I. Pigment White 1
Additional Names: C.I. 77597; lead subcarbonate; white lead; flake lead; ceruse; cerussa; bleiweiss (German)
Molecular Formula: C2H2O8Pb3
Molecular Weight: 775.63
Percent Composition: C 3.10%, H 0.26%, O 16.50%, Pb 80.14%
Line Formula: (PbCO3)2.Pb(OH)2
Literature References: Occurs in nature as the mineral hydrocerussite. See: Mellor's vol. VII, 837 (1927); Colour Index vol. 4 (3rd ed., 1971) p 4676. Review of chemistry and use as pigment: E. J. Dunn, Jr., Pigment Handbook 1, 65-84 (1973). Microdetermn by nuclear microprobe for use in analysis of masterpieces: B. Nens et al., Nucl. Instruments Methods Phys. Res. B14, 148 (1986); by laser breakdown: D. Anglos, Appl. Spectrosc. 55, 186A (2001).
Properties: White, heavy powder. Poisonous! Dec at 400°, leaving a residue of PbO. Insol in water or alcohol. Sol in acetic acid or dil HNO3 with effervescence.
Use: Pigment in oil paints and water colors; in cements; for making putty and lead carbonate paper; in the processing of parchment.

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