Lead (||) Bromide Anhydrous

It finds its uses as a catalyst to make polyesters, a filler for polypropylene (flame-resistant), and in glass optical waveguides. It also finds ints use in laboratories and metallurgy. It is used as acryl amide monomer light aggregation function of catalysts and can be used for photoelectric material and heat power semiconductor materials. it is also used as analytical reagent, additive and in the preparation of massicot pigment.

it is also used as pigment ingredient and used for printing and dyeing industry. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Lead (||) Bromide Chemicals Properties

Physical Properties White orthorhombic crystals density 6.66 g/cm3 melts at 373°C vaporizes at 916°C decomposes slowly on exposure to light sparingly soluble in cold water (4.55 g/L at 0°C and 8.44 g/L at 20°C, respectively) moderately soluble in boiling water (44.1g/L at 100°C) slightly soluble in ammonia. soluble in alkalies and also in sodium or potassium bromide solutions.

Chemical Properties: -80mesh with 99.999% purity. enthalpy of vaporization 133 kJ/mol. enthalpy of fusion 16.44 kJ/mol. obtained from PbO or PbCO3 and HBr.

Preparation

Lead bromide is prepared by treating an aqueous solution of lead nitrate with hydrobromic acid or with sodium or potassium bromide: Pb2+ + 2Br¯ → PbBr2 The solution is allowed to stand to let the precipitate settle. The compound also may be obtained by adding lead carbonate or lead monoxide to hydrobromic acid.

Applications

It finds its uses as a catalyst to make polyesters, a filler for polypropylene (flame-resistant), and in glass optical waveguides.
It is used as acryl amide monomer light aggregation function of catalysts and can be used for photoelectric material and heat power semiconductor materials.
It is also used as pigment ingredient and used for printing and dyeing industry.
Use as inorganic filler in fire-retardant plastics.
Use as a photopolymerization catalyst for acrylamide monomer.
Lead(II) bromide (PbBr2) can be used in the fabrication of nanoscale quasi-2D layered perovskites, which are potentially utilized as light-emitting materials.
It can also be used for the synthesis of deep blue fluorescent lead bromide perovskite microdisks. These microdisks can be used as direct bandgap semiconductors for light-emitting diodes (LEDs).

Conclusion

Lead(II) bromide emerges as a cornerstone in chemical innovation, showcasing remarkable versatility across various industries. Its role as a catalyst in polyester production and flame-resistant filler in polypropylene underscores its practical significance. Despite its orthorhombic crystal structure and associated toxicity, Lead(II) bromide's utility extends to cutting-edge applications, notably in photopolymerization processes and the fabrication of advanced perovskite materials. Its enduring relevance in traditional fields like metallurgy and pigment preparation, coupled with its potential in emerging technologies such as light-emitting diodes, highlights its pivotal role in driving progress. As we navigate towards a sustainable future, Lead(II) bromide stands as a testament to the intricate interplay between chemical innovation and industrial advancement, poised to continue shaping the landscape of materials science and engineering.