Lead Oxide
Product Description
Lead oxide, also known as lead monoxide or litharge, is utilized in various industrial applications due to its unique properties.
Product:
Lead Oxide
CAS:
1335-25-7
Synonym:
Lead(II) oxide; Lead monoxide; Litharge
Structure:
Typical Characteristics
Appearance
Red or yellow powder
Boiling point
1477 °C
Density
9.53 g/cm3
Melting point
888 °C
Molecular Weight
223.20
Odor
Odorless
Purity
99%
Refractive index
2.535-2.665
Uses, Applications & Markets
Key applications
Markets
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Lead Oxide used in many
industry applications
Lead oxide, also known as lead monoxide or litharge, is utilized in various industrial applications due to its unique properties. Here are some of its common uses:
- Battery Manufacturing: Lead oxide is a key component in the production of lead-acid batteries, which are widely used in automotive, marine, and industrial applications. It serves as a cathode material, facilitating the conversion between lead and lead sulfate during the battery's discharge and recharge cycles.
- Glass and Ceramics: Lead oxide is employed as a flux in the manufacturing of glass and ceramics. It lowers the melting point of silica-based materials, improves their workability, and enhances the transparency and brilliance of glass products. Lead oxide is also used as a pigment in colored glass and ceramic glazes.
- Lead-Based Paints: Historically, lead oxide was a common component in lead-based paints due to its durability, opacity, and ability to accelerate drying. However, its use in paints has declined significantly due to health and environmental concerns associated with lead exposure.
- Rubber Industry: Lead oxide is utilized as a vulcanization agent in the rubber industry. It reacts with sulfur to form lead sulfide, which cross-links the polymer chains in rubber, improving its mechanical properties, such as strength, elasticity, and heat resistance.
- Lead Oxide Batteries: Lead oxide can be used in the production of lead oxide batteries, which are used in stationary power backup systems, uninterruptible power supplies (UPS), and renewable energy storage applications. These batteries typically contain a mixture of lead oxide and other lead compounds as active materials.
- Pigments: Lead oxide-based pigments, such as red lead (lead tetroxide) and yellow lead oxide (lead monoxide), are utilized in the manufacturing of paints, coatings, and plastics. These pigments provide vibrant colors, excellent opacity, and corrosion resistance in various applications.
- Chemical Reagents: Lead oxide is used as a precursor or catalyst in certain chemical reactions, particularly in the production of lead salts, lead-based catalysts, and other lead-containing compounds used in organic synthesis and industrial processes.