What Is Ammonium Metatungstate

Ammonium Metatungstate Picture

What is ammonium metatungstate? Ammonium metatungstate is a white crystalline powder, soluble in water, insoluble in aocohol.

Chinese Name: 偏钨酸铵

Abbreviation: AMT

Molecular Formula:H8N2O4W;

Chemical Formula:(NH4)6H2W12O40.XH2O;

Molecular Weight:283.9145;

CB No.:CB41411564;

EC No.:234-364-9;

CAS No.: 14311-52-5;

HS Code:28418040;


W valance in AMT: +6

W content in AMT:72%

Ammonium metatungstate has no harmful components, it has subacidity, often used in the preparation of tungsten products, catalyst in petroluem industry, nuclear shielding material, also ceramic industry, steel alloy, fire resistant fiber and inhibiter. In recent years, it is also used in emerging industry like semiconductor and thin film.