Ammonium metatungstate hydrate is a chemical substance whose chemical formula can be expressed as (NH4)6H2W12O40-xH2O, where x represents the number of water molecules, which may vary depending on the preparation conditions.
Basic properties of ammonium metatungstate hydrate
Chemical formula of ammonium metatungstate hydrate
(NH4)6H2W12O40-xH2O
CAS No. of Ammonium metatungstate hydrate
12333-11-8
Molecular weight of ammonium metatungstate hydrate
Depending on the number of water molecules x, the specific molecular weight will vary
Physical state of ammonium metatungstate hydrate
Usually appearing as white crystalline powder or yellowish substance
Solubility of ammonium metatungstate hydrate
Easily soluble in water
Application of ammonium metatungstate hydrate
Ammonium metatungstate hydrate has a wide range of industrial applications, mainly used in the manufacture of tungsten metal, alloy steel, fireproof fabrics and so on. It is also one of the important raw materials for ceramic industry. In the field of petrochemical industry, ammonium metatungstate hydrate is used as the main raw material of tungsten-based catalysts in oil refineries, and to manufacture various petrochemical catalysts and other tungsten compounds.
Production process of ammonium metatungstate hydrate
Ammonium metatungstate hydrate can be produced by a variety of methods, including solvent extraction or ion exchange method using ammonium tungstate solution as raw material, solvent extraction method using sodium tungstate solution as raw material, and heating thermal dissociation APT and other methods. These processes usually include steps such as solution preparation, evaporation and crystallization, filtration and drying.
Safety Information for Ammonium Metatungstate Hydrate
Ammonium metatungstate hydrate is classified as a hazardous chemical with the safety category code R22 and the hazard symbol Xn. During handling and use, appropriate safety regulations need to be followed, such as wearing protective gloves and glasses.
Additional information on Ammonium metatungstate hydrate
In addition to industrial applications, ammonium metatungstate hydrate is used in scientific research and education in the discipline of chemistry. It is chemically stable but may react with other substances under certain conditions.
Ammonium metatungstate hydrate is an important inorganic compound with a wide range of applications. In the process of use and storage, it is necessary to pay attention to its safety properties and take appropriate protective measures.
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