Description

Potassium Heptafluoroniobate(V) CAS NO 16924-03-1 is an inorganic salt of niobium, characterized by its high fluoride content. This compound is a critical precursor in advanced materials synthesis, valued for its role in introducing niobium into specialized chemical matrices. It is essential for manufacturers and research institutions in the electronics, optical coating, and specialty catalyst industries seeking high-purity niobium sources.

Application

• Optical Thin Film Deposition: A key precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create niobium oxide or niobium-containing films for lenses, filters, and anti-reflective coatings.
• Specialty Glass & Ceramics Manufacturing: Used as a fluxing agent and dopant to modify the refractive index, thermal stability, and electrical properties of high-performance glasses and ceramic materials.
• Catalyst Synthesis: Serves as a starting material for preparing solid acid catalysts and supported niobium catalysts used in petrochemical refining and fine chemical synthesis.
• Electronics & Semiconductor Processing: Employed in the fabrication of dielectric layers and ferroelectric materials for capacitors and memory devices.
• Superconductor Research: Acts as a niobium source in the research and development of low-temperature superconducting materials.
• Surface Treatment & Metal Finishing: Utilized in specialized electrochemical processes and surface conversion coatings for enhanced corrosion resistance.
• Analytical Chemistry & Spectroscopy: Functions as a standard or reagent in analytical methods for fluoride or niobium determination.

Basic Information

Product Name	Potassium Heptafluoroniobate(V)
CAS No.	16924-03-1
Molecular Formula	K2NbF7
Molecular Weight	304.09 g/mol
Synonyms	Dipotassium heptafluoroniobate(V); Potassium fluoniobate; Niobium potassium fluoride; Potassium niobium fluoride; K2NbF7; Heptafluoroniobate(2-) dipotassium
EINECS	240-985-6

Quality Control

Our Potassium Heptafluoroniobate(V) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistency and meets high-purity standards suitable for advanced material applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profiles, and physical characteristics is provided with every shipment.

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 away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (K2NbF7)	≥ 99.0%
Niobium (Nb) Content	30.5 - 31.5 %
Fluoride (F) Content	43.5 - 44.5 %
Chloride (Cl)	≤ 0.01%
Sulfate (SO4)	≤ 0.01%
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 20 ppm
Loss on Drying	≤ 0.5%

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