Ammonium tungstate pentahydrate is an inorganic compound with the chemical formula (NH₄)₂WO₄-5H₂O, and the CAS number is 76585-22-3.Below is a detailed introduction of ammonium tungstate pentahydrate:
Basic properties of ammonium tungstate pentahydrate
Ammonium tungstate pentahydrate is a colorless crystal or powder, soluble in water and slightly soluble in alcohol solvents.
It is a weakly acidic compound with a molecular weight of 373.99092.
Ammonium tungstate pentahydrate use
Ammonium tungstate pentahydrate has a variety of uses in the chemical industry, mainly used in the manufacture of ammonium phosphotungstate and other tungsten compounds. For example, it can be used in the preparation of environmentally friendly friction-reducing and antioxidant non-thiophosphorus organotungsten additives, such as N-octadecylimine diethyl tungstate. In certain catalyst regeneration solutions, ammonium tungstate pentahydrate is also used as one of the components of the anti-toxicity inhibition solution to improve the regeneration effect and anti-toxicity performance of the catalyst.
Preparation method of ammonium tungstate pentahydrate
The preparation method of ammonium tungstate pentahydrate may involve multiple steps, such as obtaining tungstic acid by decomposing tungsten concentrate with hydrochloric acid, and then preparing it by ammonia solubilization, evaporation and crystallization and other steps.
The specific preparation process may vary according to the requirements of raw materials, purity and particle size of the target product.
Safety Information of Ammonium Tungstate Pentahydrate
Although Ammonium Tungstate Pentahydrate is relatively safe under normal conditions of use, its chemical properties should still be noted when handling and storing, and contact with strong acids and bases should be avoided.
Before use, product instructions and safety data sheets should be read in detail and relevant safety operating procedures should be followed.
To summarize, ammonium tungstate pentahydrate is an important inorganic compound with a wide range of applications in the chemical industry. It has various preparation methods and uses, which need to be selected and optimized according to specific application scenarios and requirements.
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