Ammonium metatungstate hydrate is the hydrate of AMT with CAS No. of 12333-11-8, molecular formula of (NH4)6H2W12O40•xH2O, and molecular weight of 2974.3. Its WO3 content is determined to be 99.0%. Its total impurity is less than or equal to 0.005% water-insoluble substance.
Ammonium Metatungstate Hydrate Properties
1. Melting point is 100°C (dec.) (lit.);
2. It is soluble in water and its solubility in water is 0.1g/mL. The solution is clear and colorless.
Ammonium Metatungstate Hydrate Applications
1. Used as a raw material for the manufacture of tungsten products;
2. For the preparation of catalysts and coordination agents.
Ammonium Metatungstate Hydrate Safety Information
1. The dangerous mark is Xn;
2. The hazard code is 22-41-52/53;
3. The safety instructions are 26-39-60;
4. WGK Germany is 2.
Other harmful effects: The substance is acutely toxic and harmful to the environment. Special attention should be paid if it is used. And it should be stored in a dry, well-ventilated environment.
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