Lead Monoxide PbO CAS 1317-36-8 Litharge Powder | Zhishang Chemical
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Lead Monoxide PbO CAS 1317-36-8
- Surfactant Appearance: powder
- Proportion: Minimum 99.0%
- Inventory: In stock
- Sample: In stock
- Zhishang Chemical: Supplier and manufacturer of dibutyl phthalate
Basic Info of Lead monoxide
| Lead monoxide Chemical Properties |
| Melting point | 886 °C(lit.) |
| Boiling point | 1470 °C |
| density | 9.53 |
| bulk density | 3500-3700kg/m3 |
| vapor pressure | 10 mm Hg ( 0 °C) |
| refractive index | 2.67 |
| storage temp. | Store below +30°C. |
| solubility | Soluble in concentrated alkali, HCl and ammonium chloride. Insoluble in dilute alkali and alcohol. |
| form | powder |
| color | yellow |
| Specific Gravity | 9.53 |
What is Lead monoxide?
1. Chemical properties and classification
Lead monoxide， Lead monomer, commonly known as Amitabha or Huangdan, is an inorganic compound with the chemical formula PbO and a molecular weight of 223.20. The compound exists in two crystal forms: below 488.5 ° C, the red tetragonal crystal (Mithusen) is thermodynamically stable; The yellow orthorhombic crystal (lead yellow) is a low-temperature metastable phase. As an amphoteric oxide, it can dissolve in acids to form lead salts, and also slightly dissolve in strong bases to form lead salts.
2. Physical characteristics and morphology
At room temperature, Lead monomer appears as a red to yellow powder or small plate-like crystals, which are prone to discoloration upon exposure to light. Its melting point is about 888 ° C, boiling point is about 1470 ° C, and relative density is as high as 9.53. It is insoluble in water and ethanol, but soluble in nitric acid, acetic acid, and hot alkaline solutions.
3. Industry positioning and preparation background
Lead monomer is an important basic inorganic chemical raw material, mainly produced by the oxidation of lead metal at high temperatures in industry. As the cornerstone of the lead industry, it is widely used in various industrial fields such as glass, ceramics, plastics, rubber, paint, and batteries. This substance is classified as a Group 2B carcinogen by the International Agency for Research on Cancer of the World Health Organization. It causes cumulative damage to the nervous system, blood, and kidneys. Strict protective measures must be taken during operation to prevent dust inhalation or skin contact.
Product Packaging
Application of Lead monoxide
The main purpose of Lead Monoxide
Lead monoxide play a crucial role in numerous industrial fields due to their high refractive index, excellent chemical activity, and unique catalytic performance.
1. Glass and Ceramic Industry
In glass manufacturing, Lead monoxide is a key component for producing high refractive index optical glass and lead crystalline glass, which can significantly enhance the refractive index and brightness of the glass. At the same time, it is widely used in the manufacture of lead glass for X-ray protection and cone glass for cathode ray tubes (such as cathode ray tubes) to effectively shield harmful rays. In the field of ceramics, it is used as a flux and coloring agent for porcelain glazes, which can reduce the melting temperature of glazes, enhance the glossiness and smoothness of glazes.
2. Plastics and rubber industryIn plastics, particularly in the polyvinylchloride processing, Lead monoxidereacts with fatty acid to produce lead soap. It is an effective heat stabilizer that inhibits PVC degradation at high temperatures. This prolongs the life of the products. It is used in the rubber industry as a rubber accelerator to speed up the vulcanization and increase the mechanical strength and elasticity of rubber products.
3. Paint and coating industry
Traditionally, Lead monoxide have been extensively used in the paint industry. It reacts with drying oils such as linseed oil to produce lead soap, which serves as an efficient drying agent and can significantly accelerate the oxidation polymerization and drying curing of coatings. In addition, its inherent color characteristics also make it used as an anti rust pigment and coloring agent.
4. Other industrial and fine chemical fields
Lead monoxide is the basic raw material for manufacturing other lead salts, such as lead borate and lead stearate. In the metallurgical industry, it is used as a fluxing agent for analyzing gold and silver and for the decomposition of silicates. In addition, it is also used in the production of battery plates, flat abrasives for precision machinery, petroleum refining catalysts, and hardeners for special adhesives.
The use of Lead monoxide deeply reflects the core supporting role of basic chemical raw materials in modern industrial systems. It is not only the “optical soul” that creates brilliant crystal glass and optical lenses, but also the “thermal stability guard” that ensures the safety and durability of plastic insulation layers for wires and cables. At the same time, it plays an irreplaceable role as an “industrial MSG” in paint drying, rubber vulcanization, and metal smelting.
FAQ
Lead monoxide (PbO) is yellow inorganic lead oxide, also called Litharge, widely used in glass, ceramics, batteries and chemical raw materials.
Ceramic glaze flux, lead glass manufacturing, lead-acid battery plates, anti-rust paint, PVC heat stabilizer and other lead compound synthesis.
Yes, it is toxic heavy metal compound, belongs to hazardous goods, need strict safety operation and compliant dangerous goods shipping.
Sealed and dry warehouse storage, avoid moisture, carbon dioxide and acid contact; prevent dust inhalation.
References
The Manager has Something to Say
If you want to buy Lead monoxide, pls contact us to get a free quote.
This is William, CEO of Zhishang Chemical Co., Ltd.
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Lead monoxide Supplier and Manufacturer
As a Lead monoxide supplier and manufacturer with a strict standard product quality system certificate, Zhishang Chemical has long been providing the best Lead monoxide raw materials to customers all over the world.
Over the years, relying on professional team experience and customer-centric team concept to meet customer needs in a timely manner, our company enjoys a high reputation in the world. At present, our company has served more than 6,000 customers and has established long-term cooperative relations with customers from many countries.
If you have a demand for Lead monoxide and related products, please contact our service staff Zhishang Chemical – White directly, and we will provide you with high-quality products at the best price.
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