Ammonium metatungstate is an inorganic compound with clear chemical properties and wide industrial applications. The following is a detailed introduction to ammonium metatungstate:
What is the basic information of ammonium metatungstate?
English name: AMMONIUM (META)TUNGSTATE HYDRATE or AMT
CAS number: 12333-11-8
Molecular formula: HN₆OW (also expressed as (NH4)6H2W12O40·xH2O in some literature, where x represents the number of water molecules)
Molecular weight: 2974.32000 (exact mass)
PSA: 603.47000
Color: white crystalline powder or slightly yellow
What are the physical properties of ammonium metatungstate?
Ammonium metatungstate is soluble in water, while the similar ammonium paratungstate is slightly soluble in water.
It is stable at room temperature and is a colorless crystal.
What is the chemical structure of ammonium metatungstate?
It is composed of tungsten oxygen octahedrons and ammonium oxide ions, which are connected to each other by hydrogen bonds to form a stable three-dimensional structure.
This structure gives it good oxidizability, as well as high density and melting point.
What are the uses of ammonium metatungstate?
Ammonium metatungstate is an important raw material for the production of metallic tungsten, alloy steel and fireproof fabrics.
It is widely used in the ceramic industry.
It is used to manufacture various petrochemical catalysts and other tungsten compounds, and is the main raw material for tungsten-based catalysts in refineries.
It can be used as a catalyst for organic synthesis and petroleum refining and the production of hydrocarbon fuels.
Because of its high atomic number and high density, it has high radiation absorption capacity, so it is used as a radiation shielding material for nuclear reactors.
It is also used in electronic devices, optical materials and other fields.
What is the production method of ammonium metatungstate?
There are various methods for preparing ammonium metatungstate, including solvent extraction, ion exchange, neutralization, tungstic acid method and thermal decomposition.
What is the safety information of ammonium metatungstate?
Ammonium metatungstate is a dangerous product with corresponding safety category code and hazard category code (such as R22).
Relevant safety instructions and warning statements need to be followed when using.
In summary, ammonium metatungstate is an important inorganic compound with a wide range of applications in multiple industrial fields, and attention should be paid to its safe use.
More details of ammonium metatungstate product, please visit website: http://ammonium-metatungstate.com/
Please contact CHINATUNGSTEN for inquiry and order of ammonium metatungstate:
Email: sales@chinatungsten.com
Tel.: 86 592 5129595
