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Tungstosilicic acid (CAS 12027-43-9)

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Alternate Names:
Silicotungstic acid
CAS Number:
12027-43-9
Molecular Weight:
2878.29
Molecular Formula:
H4[Si(W3O10)4]
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Tungstosilicic acid hydrate, with its diverse range of applications, plays a pivotal role in scientific research. This compound finds utility in catalytic reactions, serves as a reagent for organic compound synthesis, and acts as a catalyst for the oxidation of organic substances. Furthermore, it contributes to the manufacturing of pharmaceuticals and the production of high-purity silicon wafers. Tungstosilicic acid hydrate also finds use in the creation of pigments, dyes, and various industrial products. At the core of its versatility lies the catalytic activity of Tungstosilicic acid hydrate in numerous chemical reactions. It excels in catalyzing the oxidation of organic compounds, including alcohols, aldehydes, and ketones. Additionally, it facilitates the hydrolysis of esters and amides, as well as the condensation of aldehydes and ketones. Tungstosilicic acid hydrate showcases its efficacy in catalyzing the dehydration of alcohols and the polymerization of olefins. By harnessing the catalytic potential of Tungstosilicic acid hydrate, researchers and industrial practitioners can unlock novel pathways for the synthesis of organic compounds, achieve targeted oxidation processes, and optimize manufacturing procedures.


Tungstosilicic acid (CAS 12027-43-9) References

  1. [Spectral study of three compounds of tungstosilicic salt with Keggin structure].  |  Chen, YP., et al. 2004. Guang Pu Xue Yu Guang Pu Fen Xi. 24: 257-60. PMID: 15759969
  2. Synthesis of acetals and ketals catalyzed by tungstosilicic acid supported on active carbon.  |  Yang, SJ., et al. 2005. J Zhejiang Univ Sci B. 6: 373-7. PMID: 15822150
  3. Synthesis and cytotoxicity of novel 2,2'-bis- and 2,2',2″-tris-indolylmethanes-based bengacarboline analogs.  |  Pingaew, R., et al. 2012. Arch Pharm Res. 35: 949-54. PMID: 22870803
  4. B-SBA-16 encaged functional tungstosilicic acid type ionic liquids to catalyze the ketal reaction.  |  Xie, Y., et al. 2019. Dalton Trans. 48: 17106-17116. PMID: 31702757
  5. Effects of support and reaction pressure for the synthesis of dimethyl ether over heteropolyacid catalysts.  |  Peinado, C., et al. 2020. Sci Rep. 10: 8551. PMID: 32444653
  6. Adsorption of Tungstophosphoric or Tungstosilicic Acids from Ethanol-Water Solutions on Carbon.  |  Pizzio, LR., et al. 1997. J Colloid Interface Sci. 190: 318-26. PMID: 9241173
  7. Chemiluminescent derivatization of adenyl compounds with glyoxal derivatives in the presence of heteropoly acids and its application to the simple and sensitive determination of DNA.  |  Kuroda, N., et al. 1998. J Biolumin Chemilumin. 13: 25-9. PMID: 9608363
  8. Magnetic nanoparticles-supported tungstosilicic acid: as an efficient magnetically separable solid acid for the synthesis of benzoazoles in water  |  , et al. (2014). Journal of the Iranian Chemical Society,. volume 11: pages 1311–1319.
  9. Stabilization and Fluorescence Enhancement of CsPbX3 (X = Cl, Br, I) Perovskite Nanocrystals with Tungstosilicic Acid  |  Shuoshuo Zang, Guoqing Xu, Renci Yang, Qinyi Zhu, and Hewen Liu*. 2022,. J. Phys. Chem. C. 126, 31,: 13032–13042.
  10. Iron–Organic Framework Nanoparticle-Supported Tungstosilicic Acid as a Catalyst for the Biginelli Reaction  |  Hong Zhang*, Qiang Hu, Jutao Liu, Penghui Zhang, Shuaishuai Fu, and Shang Wu*. 2022,. CS Appl. Nano Mater. 5, 11,: 16987–16995.
  11. Sulfonated polyether ether ketone composite membrane using tungstosilicic acid supported on silica–aluminium oxide for direct methanol fuel cell (DMFC)  |  AF Ismail, NH Othman, A Mustafa - Journal of membrane science, 2009 - Elsevier. 5 March 2009,. Journal of Membrane Science. Volume 329, Issues 1–2,: Pages 18-29.
  12. Synthesis and characterization of a novel tungstosilicic acid immobilized on zeolites catalyst for the photodegradation of methyl orange  |  CL Marchena, L Lerici, S Renzini, L Pierella… - Applied catalysis B …, 2016 - Elsevier. 5 July 2016,. Applied Catalysis B: Environmental. Volume 188,: Pages 23-30.
  13. Preparation and conductivity of the Keggin-type trivanadium-substituted tungstosilicic acid H7SiW9V3O40·9H2O  |  N Tian, M Zhu, Q Wu, W Yan, AB Yaroslavtsev - Materials Letters, 2014 - Elsevier. 15 January 2014,. Materials Letters. Volume 115,: Pages 165-167.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Tungstosilicic acid, 50 g

sc-251410
50 g
$124.00