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Tungsten Oxide WO3 CAS 1314-35-8
  • Tungsten Oxide WO3 CAS 1314-35-8

Tungsten Oxide WO3 CAS 1314-35-8

Tungsten Oxide WO3 is also called tungsten trioxide. Tungsten trioxide is an inorganic substance, chemical formula WO3, is a light yellow crystalline powder. Insoluble in water, soluble in alkali, slightly soluble in acid.Used for making high melting point alloy and hard alloy, tungsten wire and fireproof material.
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Overview of Tungsten Oxide WO3 Powder:

Tungsten Oxide WO3 is also called tungsten trioxide. Tungsten trioxide is an inorganic substance, chemical formula WO3, is a light yellow crystalline powder. Insoluble in water, soluble in alkali, slightly soluble in acid.Used for making high melting point alloy and hard alloy, tungsten wire and fireproof material. It can be obtained by adding acid after the eutectic of tungsten ore and soda. Tungsten trioxide is a light yellow rhombic crystal powder. The color changes from light to dark when heated. The specific gravity of 7.16g/cm3, the melting point of 1473℃, the boiling point of 1750℃, 850℃ significantly sublimation, melting when green. Stable in air, insoluble in water and inorganic acids except for hydrofluoric acid, slowly soluble in ammonia and concentrated hot sodium hydroxide solutions. The structure of tungsten trioxide depends on temperature: above 740°C it is tetragonal, 330-740°C orthogonal-monoclinic, 17-330°C monoclinic, -50-17°C triclinic. The monoclinic structure is the most common, and its space group is P21/n.

Tungsten has a long history, dating back to its discovery during the 18th century. Peter was the first to acknowledge a new element of the natural mineral tungsten, originally called tungsten, explaining its elemental symbol as the "W" of choice. Swedish chemist Carl scheelite was responsible for the discovery of the mineral scheelite with his research as well.

The first procedure for preparing tungsten trioxide and sodium tungstate was performed by a chemist named Robert in 1841. He was granted a patent for his work shortly after and is credited with being the founder of the system of tungsten chemistry.

Tungsten trioxide is one of the most stable tungsten oxides, insoluble in water and inorganic acids except hydrofluoric acid can be dissolved in hot concentrated sodium hydroxide solution and ammonia water to form soluble tungstate salt. When the temperature is higher than 650℃, it can be reduced by H2, and it can be reduced by C at 1000 ~ 1100℃ to get tungsten powder.

 Application of Tungsten Oxide WO3 Powder:

What is the scope of application of tungsten oxide WO3 powder?

Tungsten trioxide is used for many purposes in everyday life. It is often used in the manufacture of tungstate for industrial X-ray screen phosphors and fireproof fabrics. Because of its rich yellow element, tungsten oxide is also used as a pigment in ceramics and paints. In addition, examples of other applications of tungsten trioxide are as follows:

Tungsten trioxide is mainly used in calcination reduction to produce tungsten powder and tungsten carbide powder, which is further used in the production of cemented carbide products, such as the manufacture of tools and molds.

Tungsten trioxide can also be used to manufacture pure tungsten products, tungsten bar, tungsten wire, tungsten electrode;

And the use of counterweight and radiation shielding materials.

There is also a small amount used in industrial production as a colorant for yellow ceramics. In the shipbuilding industry, tungsten oxide is used as an important anticorrosive paint and coating material.

Tungsten Trioxide has been employed in the production of electrochromic windows, smart Windows. These Windows are electrically switched glass, light transmittance and applied voltage changes. This allows users to tint their Windows through changes in the amount of heat or light.

Part of tungsten oxide is used in the production of chemical products, such as paints and coatings, petroleum industry catalysts, etc. But tungsten oxide is a kind of intermediate product, a large number of tungsten oxide is used for metal tungsten powder and tungsten carbide powder, and then used in the production of metal tungsten products, and a large number of application and production of tungsten alloy products, into tungsten copper, tungsten nickel, tungsten nickel-iron, tungsten silver, tungsten rhenium, tungsten thorium, etc., And the most widely used in the contemporary industrial field is a variety of grades and uses of tungsten-based cemented carbide products.

Tungsten trioxide is also used in ceramic colorants and analytical reagents; Used for the production of metal tungsten materials; Gas sensor; Fireproof fabric; Imaging; Large area display; The catalyst; Ceramic pigment; Humidity sensor; Infrared switchgear; High-density storage equipment; The catalyst; Temperature sensor; For X-ray screens and fireproof textiles; Tungstate;Wastewater treatment; Solar energy conversion; Through powder metallurgy production of tungsten carbide, hard alloy, cutting cooling, superhard mold, tungsten strip, etc.

Tungsten Oxide WO3 Powder Price:

Tungsten Oxide WO3 Powder price will vary randomly with the production cost, transportation cost, international situation, exchange rate, and market supply and demand of Tungsten Oxide WO3 Powder. Tanki New Materials Co.,Ltd Aims to help All industries and Chemical Wholesalers to find high-quality, cheap price Nanomaterials and chemicals by providing turn-key customize manufacturing services. If you are looking for Tungsten Oxide WO3 Powder, please feel free to send an inquiry for the latest price of Tungsten Oxide WO3 Powder.

Tungsten Oxide WO3 Powder Supplier:

As a global Tungsten Oxide WO3 Powder supplier, Tanki New Materials Co.,Ltd has rich experiences in the properties, applications, and cost-effective manufacturing of advanced and engineered materials. The company has successfully developed a series of powder materials (including oxides, carbides, nitrides, single metal, etc.), high-purity targets, functional ceramics, and structural devices, OEM service is available.



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More information about Tungsten Oxide WO3 Powder

Tungsten Trioxide Properties (Theoretical)

Compound Formula

WO3

Molecular Weight

231.85

Appearance

Yellow Powder

Melting Point

1473 °C (2683 °F)

Boiling Point

1700 °C ( 3092 °F)

Density

7.16 g/cm3

Solubility in H2O

Insoluble

Crystal Phase / Structure

Monoclinic

Exact Mass

231.936 g/mol

Monoisotopic Mass

231.935644 Da

Charge

-6

 

Tungsten Trioxide Health & Safety Information

Signal Word

N/A

Hazard Statements

N/A

Hazard Codes

N/A

Precautionary Statements

N/A

Flash Point

Not applicable

Risk Codes

N/A

Safety Statements

N/A

RTECS Number

YO7760000

Transport Information

NONH for all modes of transport

 

 

 

 


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