Description

Tetrapotassium Decatungstate is an inorganic salt of the versatile decatungstate anion, a polyoxometalate known for its unique catalytic and photochemical properties. This compound matters for its role as a powerful and selective photocatalyst, enabling challenging organic transformations under mild, visible-light conditions. Industries involved in fine chemical synthesis, pharmaceutical intermediate production, and advanced materials research need this reagent to develop more efficient and sustainable chemical processes.

Application

• Photoredox Catalysis: Acts as a potent, homogeneous photocatalyst for C-H functionalization, oxidation, and decarboxylative coupling reactions under visible light.
• Organic Synthesis: Enables the synthesis of complex pharmaceutical intermediates and fine chemicals through selective activation of strong C-H bonds.
• Polymer Science: Used in photoinitiation systems for polymerization and in the surface modification of polymers.
• Environmental Remediation: Applied in advanced oxidation processes for the photocatalytic degradation of organic pollutants in water.
• Material Precursor: Serves as a molecular precursor for the synthesis of tungsten-based nanomaterials and thin films.
• Research & Development: A key reagent in academic and industrial R&D for exploring new photocatalytic pathways and reaction mechanisms.

Basic Information

Product Name	Tetrapotassium Decatungstate
CAS No.	88410-88-2
Molecular Formula	K4W10O32 • xH2O
Molecular Weight	~ 2873.2 (Anhydrous)
Synonyms	Potassium Decatungstate; Decatungstic Acid Tetrapotassium Salt; Potassium 10-Tungstate(6-); K4W10O32; Tetrapotassium Decatungstate Hydrate; Decatungstate Photocatalyst; TBADT (Tetrabutylammonium Decatungstate is a related compound)
EINECS	Contact for details

Quality Control

Our Tetrapotassium Decatungstate is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including assay by titration and identification by FT-IR, to ensure high purity and consistent catalytic performance. Certificates of Analysis (COA) detailing purity, heavy metal content, and other critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (as K4W10O32)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, yellow solution

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.