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Pb(NO₃)₂

Known since the Middle Ages by the name plumbum dulce, the production of lead(II) nitrate from either metallic lead or lead oxide in nitric acid was small-scale, for direct use in making other lead compounds. In the nineteenth century lead(II) nitrate began to be produced commercially in Europe and the United States. Historically, the main use was as a raw material in the production of pigments for lead paints, but such paints have been superseded by less toxic paints based on titanium dioxide. Other industrial uses included heat stabilization in nylon and polyesters, and in coatings of photothermographic paper. Since around the year 2000, lead(II) nitrate has begun to be used in gold cyanidation.

Lead nitrate is a white crystalline solid. The material is soluble in water. It is noncombustible but it will accelerate the burning of combustible materials. If large quantities of the material are involved in the fire an explosion may result. Prolonged exposure of the material to fire or heat may result in an explosion. Toxic oxides of nitrogen are produced in fires involving this material.

Application of Lead Nitrate pbno3

Lead nitrate has been used as a heat stabiliser in nylon and polyesters, as a coating for photothermographic paper, and in rodenticides.

Heating lead nitrate is convenient means of making nitrogen dioxide.

In the gold cyanidation process, addition of lead(II) nitrate solution improves the leaching process. Only limited amounts (10 to 100 milligrams lead nitrate per kilogram gold) are required

In organic chemistry, it may be used in the preparation of isothiocyanates from dithiocarbamates. Its use as a bromide scavenger during SN1 substitution has been reported.

Formula: Pb(NO₃)₂Molecular Weight: 331.2 g/mol
Form: colourless crystals or white powder
CAS Number: 10099-74-8
Density: 4.53 g/cm³
Synonyms: Lead dinitrate, LEAD NITRATE, Lead(II) nitrate, Nitrate de plomb [French], Nitric acid, lead(2+) salt, CCRIS 1945, HSDB 637, EINECS 233-245-9, UN1469, N2O6Pb, EC 233-245-9, DTXSID2035069