Date published: 2025-10-15

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Ammonium phosphomolybdate hydrate (CAS 54723-94-3)

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Alternate Names:
Molybdophosphoric acid ammonium salt; Phosphomolybdic acid ammonium salt hydrate; Ammonium-12-molybdophosphate
CAS Number:
54723-94-3
Molecular Weight:
1876.35 (anhydrous)
Molecular Formula:
(NH4)3PMo12O40•nH2O
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Ammonium phosphomolybdate hydrate is used as a reagent in analytical chemistry, particularly in the determination of phosphate and silicate in various samples. It is also utilized in organic synthesis as a catalyst in various chemical reactions, such as oxidation, epoxidation, dehydrogenation, and clycloaddition reactions. Furthermore, it can be used to produce heterocycles. Ammonium phosphomolybdate hydrate is known for its characteristic yellow color, making it visually identifiable in laboratory applications.


Ammonium phosphomolybdate hydrate (CAS 54723-94-3) References

  1. Characterization of the thermal decomposition products of ammonium phosphomolybdate hydrate  |  Sedat Ilhan, Cem Kahruman, Ibrahim Yusufoglu. 2007. Journal of Analytical and Applied Pyrolysis. 78: 363-370.
  2. Flame retardancy of poly(styrene-co-acrylonitrile) by the synergistic interaction between clay and phosphomolybdate hydrates  |  Meifang Liu a b, Xin Zhang c, Mauro Zammarano a, Jeffrey W. Gilman a, Takashi Kashiwagi a. 2011. Polymer Degradation and Stability. 96: 1000-1008.
  3. Preparation of caesium-substituted phosphomolybdic acid via solid-state ion exchange method  |  Powder Technology. 2013. Powder Technology. 246: 643-649.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Ammonium phosphomolybdate hydrate, 50 g

sc-239240
50 g
$115.00