Description

Natriumdodecametawolframat-Hydrat is a specialized inorganic compound, specifically a sodium salt of a polytungstate anion. This material is valued in advanced industrial and research applications for its unique chemical properties derived from its tungsten-oxygen cluster structure. It is primarily utilized in sectors such as catalysis, materials science, and analytical chemistry where precise inorganic precursors are required.

Application

• Catalyst Precursor: Serves as a starting material for the synthesis of heterogeneous and homogeneous tungsten-based catalysts used in petrochemical and fine chemical processes.
• Material Science Research: Used in the development of novel functional materials, including tungsten oxide films, ceramics, and nanocomposites.
• Analytical Reagent: Acts as a standard or reagent in specific gravimetric and spectrophotometric analytical methods within laboratory settings.
• Corrosion Inhibition: Investigated for use in formulations designed to provide corrosion-resistant coatings on metal surfaces.
• Electrochemistry: Employed in research related to electrodeposition and the study of electrochemical properties of tungsten-containing systems.

Basic Information

Product Name	Natriumdodecametawolframat-Hydrat
CAS No.	12333-13-0
Molecular Formula	Na6W12O39·xH2O
Molecular Weight	Contact for details (Anhydrous approx. 3046.2 g/mol)
Synonyms	Sodium Dodecatungstate Hydrate; Sodium Metatungstate Hydrate; Sodium Polytungstate; Sodium 12-Metatungstate; Sodium Tungstate (W12); Na6W12O39 Hydrate; Sodium Paratungstate (related form); Sodium Tungsto-phosphate (related compound)
EINECS	Contact for details

Quality Control

Our Natriumdodecametawolframat-Hydrat is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing key parameters is provided with every shipment to guarantee it meets your technical requirements and supports your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic nature, store in a cool, dry place at room temperature (15-25°C) with controlled low humidity. For long-term stability, consider storage under an inert atmosphere or in a desiccator.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (as Na6W12O39)	≥ 98.0%
Water Content (LOD)	≤ 2.0%
Chloride (Cl)	≤ 0.01%
Sulfate (SO4)	≤ 0.01%
Heavy Metals (as Pb)	≤ 10 ppm
Solubility (in Water)	Clear, colorless solution

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