Product Overview

Hydrofluorosilicic Acid (H2SiF6) is a critical industrial chemical compound derived from the reaction of fluorosilicate salts with strong mineral acids. This highly reactive 23% ACS grade solution represents a sophisticated inorganic acid with significant industrial applications across multiple technical sectors. The compound is characterized by its unique molecular structure, featuring a central silicon atom bonded to six fluorine atoms, which contributes to its exceptional chemical reactivity and industrial utility.

As a specialized fluorine-containing acid, hydrofluorosilicic acid plays a crucial role in advanced industrial processes, serving as a versatile reagent in various technical applications. Its precise composition and controlled concentration make it particularly valuable for specialized industrial treatments, environmental management, and sophisticated chemical engineering processes.

Key Properties

• Chemical Formula: H2SiF6
• Molecular Weight: 144.08 g/mol
• Boiling Point: 108°C
• Melting Point: -37°C
• Specific Gravity: 1.12
• Appearance: Clear, colorless liquid
• Solubility: Miscible with water
• Chemical Stability: Stable under recommended storage conditions
• UN Number: 1778

Common Applications

• Industrial Water Treatment: Hydrofluorosilicic acid serves as a critical reagent in water treatment processes, effectively controlling pH levels and facilitating metal ion removal through complex chemical interactions. Its precise chemical properties enable efficient precipitation and neutralization of contaminants in industrial wastewater systems.
• Metal Surface Preparation: Utilized in advanced metal surface etching and cleaning processes, this acid provides exceptional capability to remove oxidation layers and prepare metallic surfaces for subsequent manufacturing treatments. Its controlled reactivity allows precise surface modification without compromising underlying metal integrity.
• Laboratory Chemical Analysis: Scientific researchers employ hydrofluorosilicic acid as a specialized analytical reagent for complex chemical characterizations and quantitative trace element determinations. Its high purity ACS grade ensures reliable and reproducible analytical outcomes across sophisticated research applications.
• Ceramic and Glass Processing: The acid plays a critical role in ceramic and glass industry processes, facilitating precise etching, surface modification, and chemical treatment of silicon-based materials. Its fluorine-containing composition enables controlled material interactions at microscopic levels.
• Environmental Remediation: Utilized in specialized environmental treatment protocols, hydrofluorosilicic acid supports advanced chemical remediation strategies for managing industrial waste streams and facilitating complex chemical transformation processes.

Safety Precautions

Hydrofluorosilicic acid requires strict handling protocols due to its highly corrosive nature. Personnel must utilize comprehensive personal protective equipment, including acid-resistant rubber gloves, chemical splash goggles, and full-body protective clothing. All handling must occur in well-ventilated areas with immediate access to emergency washing facilities.

Storage demands specialized containment using fluoropolymer or high-density polyethylene containers, maintaining temperatures between 15-25°C and protecting the product from direct sunlight. Segregate from incompatible materials such as strong bases, metals, and organic compounds to prevent potentially dangerous chemical reactions.

Emergency response procedures mandate immediate dilution with large water volumes in case of accidental exposure, followed by professional medical evaluation. Neutralization should only be performed by trained personnel using appropriate calcium gluconate or specialized acid neutralization agents.

Benefits

This ACS grade hydrofluorosilicic acid delivers exceptional purity and consistent performance, meeting rigorous American Chemical Society specifications. The precisely controlled 23% concentration ensures optimal reactivity while maintaining superior stability during storage and transportation, making it an invaluable resource for demanding industrial applications.

By providing a highly refined chemical solution, this product offers significant advantages in technical precision, reliable performance, and versatile applicability across multiple industrial sectors. The controlled molecular composition enables sophisticated chemical interactions with minimal batch-to-batch variation, supporting advanced manufacturing and research requirements.