Description

Potassium Hexafluoroniobate is an inorganic salt of niobium, widely recognized for its role as a crucial precursor in advanced materials synthesis. Its primary value lies in providing a soluble and reactive source of niobium and fluoride ions for specialized chemical processes. This high-purity compound is essential for manufacturers and research institutions in the electronics, optics, and specialty chemical sectors seeking to develop next-generation products.

Application

• Optical Coatings & Glass Manufacturing: A key precursor for depositing niobium oxide (Nb₂O₅) thin films, which are vital for creating high-refractive-index, anti-reflective, and protective coatings on lenses, displays, and optical components.
• Electronics & Semiconductor Industry: Used in the chemical vapor deposition (CVD) or atomic layer deposition (ALD) of niobium-containing dielectric layers and ferroelectrics for capacitors and memory devices.
• Catalyst Synthesis: Serves as a starting material for preparing solid acid catalysts, such as niobium phosphate, which are employed in petrochemical refining and fine chemical synthesis.
• Superconductor & Ceramic Research: Acts as a niobium source in the research and development of high-temperature superconductors (e.g., Nb₃Sn) and advanced structural ceramics.
• Surface Treatment & Metal Finishing: Utilized in specialized electroplating and surface conversion processes to impart corrosion resistance and specific functional properties to metal substrates.
• Laboratory Reagent: Employed as a high-purity analytical standard and reagent in research laboratories for fluoride and niobium chemistry.

Basic Information

Product Name	Potassium Hexafluoroniobate
CAS No.	16919-14-5
Molecular Formula	K[NbF6]
Molecular Weight	304.00 g/mol
Synonyms	Potassium hexafluoroniobate(V); Potassium niobium fluoride; Niobium potassium fluoride; Potassium fluoniobate; Potassium niobate fluoride; K[NbF6]; Hexafluoroniobate(1-) potassium
EINECS	240-973-3

Quality Control

Our Potassium Hexafluoroniobate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, metal content, and anion composition. A comprehensive Certificate of Analysis (COA) detailing assay results, impurity profiles, and physical characteristics is provided with every shipment to guarantee traceability and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic) and incompatible with strong acids and bases. Keep the container tightly sealed when not in use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (K[NbF6])	≥ 99.0%
Niobium (Nb) Content	30.5 - 31.0 %
Potassium (K) Content	12.8 - 13.2 %
Fluoride (F) Content	Balance
Chloride (Cl)	≤ 0.01%
Sulfate (SO4)	≤ 0.01%
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 20 ppm
Moisture (Loss on Drying)	≤ 0.5%

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