Description

Ammonium Heptafluorotantalate(V) is a key inorganic salt of tantalum, primarily used as a precursor in the production of high-purity tantalum metal and its oxides. This compound is critical for industries requiring materials with exceptional corrosion resistance, high melting points, and stable dielectric properties. It is an essential raw material for manufacturers in the electronics, specialty alloys, and advanced ceramics sectors.

Application

• Tantalum Metal Production: Serves as a primary feedstock in the electrolytic and metallothermic reduction processes to produce high-purity tantalum metal powder and ingots.
• Electronic Components: Used in the manufacture of tantalum pentoxide (Ta₂O₅) for high-performance capacitors, particularly in miniaturized consumer electronics and automotive systems.
• Specialty Alloys: Acts as a source of tantalum for creating superalloys used in jet engine components, chemical processing equipment, and surgical implants due to its biocompatibility and strength.
• Optical & Ceramic Coatings: Employed in chemical vapor deposition (CVD) processes to apply thin, hard, and corrosion-resistant tantalum-based coatings on lenses, tools, and semiconductor wafers.
• Catalyst Synthesis: Utilized as a precursor in the preparation of specialized catalysts for organic synthesis and petroleum refining.
• Research & Development: A fundamental reagent in academic and industrial R&D for exploring new materials in solid-state chemistry and nanotechnology.

Basic Information

Product Name	Ammonium Heptafluorotantalate(V)
CAS No.	12022-02-5
Molecular Formula	(NH₄)₂TaF₇
Molecular Weight	409.99 g/mol
Synonyms	Ammonium Fluotantalate; Diammonium Heptafluorotantalate; Ammonium Tantalum Fluoride; Tantalum Ammonium Fluoride; (NH4)2TaF7; Ammonium Heptafluorotantalate; Ammonium Fluorotantalate(V); AHTF
EINECS	234-656-7

Quality Control

Our Ammonium Heptafluorotantalate(V) is manufactured under strict process controls to ensure batch-to-batch consistency and high chemical purity. Quality is verified through a comprehensive suite of analytical techniques including X-ray diffraction (XRD), inductively coupled plasma optical emission spectrometry (ICP-OES), and ion chromatography. A Certificate of Analysis (COA) detailing purity, assay, and specific impurity limits is provided with each shipment.

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 to prevent moisture absorption and potential hydrolysis. Keep away from strong alkalis and incompatible materials.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (as (NH₄)₂TaF₇)	≥ 99.0%
Tantalum (Ta) Content	≥ 44.0%
Fluoride (F) Content	Contact for details
Ammonium (NH₄⁺) Content	Contact for details
Insoluble Matter	≤ 0.1%
Chloride (Cl)	≤ 50 ppm
Sulfate (SO₄)	≤ 100 ppm
Heavy Metals (as Pb)	≤ 20 ppm
Iron (Fe)	≤ 30 ppm
Niobium (Nb)	≤ 500 ppm

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