Description

Potassium Heptafluorotantalate(V) CAS NO 16924-00-8 is a high-purity inorganic salt primarily used as a critical precursor in advanced materials synthesis. This compound is valued for its role in introducing tantalum and fluorine into specialized chemical systems, enabling precise material engineering. It is essential for manufacturers and research institutions in the electronics, optics, and specialty chemical sectors seeking reliable, high-quality raw materials for demanding applications.

Application

• Tantalum Precursor: A key starting material for the synthesis of tantalum-containing compounds, including tantalum pentoxide (Ta₂O₅) and metallic tantalum.
• Electronics Manufacturing: Used in the production of high-k dielectric layers for capacitors and semiconductors, where precise tantalum deposition is required.
• Optical Coatings: Serves as a source material for creating tantalum fluoride-based thin films used in specialized optical lenses and anti-reflective coatings.
• Catalyst Synthesis: Employed in the preparation of catalysts for specific organic fluorination and polymerization reactions.
• Analytical Chemistry: Acts as a standard or reagent in analytical procedures for tantalum determination and related research.
• Specialty Glass & Ceramics: Used to modify the properties of specialty glasses and ceramic materials, enhancing durability and refractive index.

Basic Information

Product Name	Potassium Heptafluorotantalate(V)
CAS No.	16924-00-8
Molecular Formula	K₂TaF₇
Molecular Weight	392.14 g/mol
Synonyms	Potassium fluotantalate; Dipotassium heptafluorotantalate; Potassium tantalum fluoride; Tantalum potassium fluoride; K₂TaF₇; Potassium fluorotantalate(V); Potassium heptafluorotantalate; Potassium tantalum heptafluoride
EINECS	240-989-5

Quality Control

Our Potassium Heptafluorotantalate(V) is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical 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 hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent caking or decomposition. Keep away from strong alkalis and incompatible materials.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (K₂TaF₇)	≥ 99.0%
Tantalum (Ta) Content	46.0 - 46.5%
Potassium (K) Content	19.8 - 20.2%
Fluoride (F) Content	33.5 - 34.2%
Insoluble Matter	≤ 0.1%
Heavy Metals (as Pb)	≤ 50 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.