5420. Lead Sulfate

Nomenclature

CAS number: 7446-14-2
O4PbS; mol wt 303.26.
O 21.10%, Pb 68.32%, S 10.57%.
PbSO4.

Description and references

Occurs as the minerals: anglesite, lanarkite. Review of toxicology and human exposure: Toxicological Profile for Lead (PB99-166704, 1999) 640 pp.

Properties

White, heavy, cryst powder. Poisonous. d 6.2. mp 1170°. Sol in about 2225 parts water; more soluble in dil HCl or HNO3, less in dil H2SO4; sol in NaOH, ammonium acetate or tartrate soln; sol in concd hydriodic acid. Insol in alcohol.

Use

As pigment instead of white lead; manuf of galvanic and lead-acid batteries; manuf minium, in lithography; preparing rapidly drying oil varnishes; weighting fabrics.