Description

Hexafluorozirconic Acid is a high-purity inorganic acid solution, a key source of zirconium and fluoride ions for advanced industrial processes. Its primary value lies in its ability to form stable, corrosion-resistant zirconium-based coatings and complexes, which are critical for enhancing material performance. This product is essential for manufacturers in the surface treatment, electronics, and specialty chemical synthesis sectors seeking reliable, high-quality precursors.

Application

• Metal Surface Treatment: As a key component in conversion coatings and pretreatment processes for aluminum, magnesium, and steel to improve paint adhesion and corrosion resistance.
• Glass & Ceramics Manufacturing: Used in the formulation of opacifiers, glazes, and refractory materials to enhance durability and thermal properties.
• Electronics & Semiconductors: Employed as a precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) of zirconium-containing thin films and dielectric layers.
• Catalyst Synthesis: Serves as a source of zirconium in the preparation of solid acid catalysts and supported catalytic systems for organic reactions.
• Textile & Leather Processing: Utilized in flame-retardant and water-repellent finishing treatments for fabrics and leather goods.
• Specialty Chemical Intermediate: Acts as a starting material for the synthesis of other zirconium fluorides and organozirconium compounds.

Basic Information

Product Name	Hexafluorozirconic Acid
CAS No.	12021-95-3
Molecular Formula	H2ZrF6 (typically in aqueous solution)
Molecular Weight	207.22 g/mol (anhydrous basis)
Synonyms	Zirconium hexafluoride dihydrate; Dihydrogen hexafluorozirconate; Zirconium(IV) fluoride solution; Fluorozirconic acid; Hexafluorozirconate(2-) dihydrogen; Zirconium fluoroacid; HFA; H2ZrF6
EINECS	234-666-0

Quality Control

Our Hexafluorozirconic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for zirconium content, fluoride content, acidity, and impurity levels. A comprehensive Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from incompatible materials such as strong bases and reactive metals. The product is a strong acid and moisture-sensitive; ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture and to minimize fume release. Recommended storage temperature: 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to slightly yellow liquid
Assay (as H2ZrF6)	≥ 45.0 %
Zirconium (Zr) Content	≥ 20.0 %
Fluoride (F) Content	≥ 40.0 %
Free Acid (as HF)	≤ 2.0 %
Specific Gravity (20°C)	1.45 - 1.55
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.01 %
Iron (Fe)	≤ 0.005 %

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