Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing sales7@sinochem-nanjing.com 3389378665@qq.com
Follow us:

Ammonium Hexafluorosilicate

    • Product Name Ammonium Hexafluorosilicate
    • Alias Ammonium silicofluoride
    • Einecs 232-089-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    596001

    Chemical Name Ammonium Hexafluorosilicate
    Chemical Formula (NH4)2SiF6
    Cas Number 16919-19-0
    Molar Mass 178.14 g/mol
    Appearance White crystalline solid
    Solubility In Water Soluble
    Melting Point Approx. 100 °C (decomposes)
    Density 2.15 g/cm³
    Odor Odorless
    Ph 1 Solution Acidic (~2.5)
    Boiling Point Decomposes before boiling
    Common Uses Water fluoridation, glass etching, metal treatment

    As an accredited Ammonium Hexafluorosilicate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 500g of Ammonium Hexafluorosilicate is securely packed in a sealed, labeled HDPE bottle with hazard and handling instructions.
    Shipping Ammonium Hexafluorosilicate is shipped as a hazardous material, typically in tightly sealed, corrosion-resistant containers. It must be labeled with appropriate hazard warnings, protected from moisture, and stored away from incompatible substances. Handling and transport should comply with local, national, and international regulations due to its toxicity and potential to release dangerous gases.
    Storage Ammonium hexafluorosilicate should be stored in a cool, dry, well-ventilated area away from moisture, acids, and incompatible substances. Keep the container tightly closed and properly labeled. Store in corrosion-resistant containers such as glass or certain plastics, as it may react with metals. Avoid exposure to direct sunlight and sources of heat. Follow all standard chemical safety protocols and local regulations.
    Application of Ammonium Hexafluorosilicate

    Applications of Ammonium Hexafluorosilicate in Industrial Manufacturing

    As a dedicated manufacturer of high-purity ammonium hexafluorosilicate, we focus on established industrial applications where this material provides repeatable value in technical processes. Below, we outline key downstream sectors, each reflecting real deployment scenarios, with precise information on regulatory conformity, application concentrations, processing integration, and typical end product formats.

    1. Glass Etching for Decorative and Electronic Applications

    Glass processors consistently utilize ammonium hexafluorosilicate as a controlled etching agent, particularly in the production of decorative architectural glass, display panels, and precision electronic substrates. The compound's ability to create fine, matte finishes or specific patterned textures has solidified its role in both manual and automated etching lines. Our technical guidance supports formulators and process engineers in optimizing etch speeds and ensuring surface quality, assisting compliance with both occupational safety and finished goods regulations.

    Industry compliance standards

    • OSHA 29 CFR 1910.1200 (Hazard Communication Standard)
    • REACH Regulation (EC) No 1907/2006 for chemical safety
    • RoHS Directive 2011/65/EU for electrical and electronic equipment (as relevant to glass substrate use)
    • Local Public Health and Environmental Restrictions on HF derivatives

    Typical usage ratio

    • Between 2% and 10% by weight in aqueous etching solutions, depending on target etch depth and line speed; concentrations adjusted upwards for thicker glass or deeper patterns

    Downstream process integration

    • Direct dosing into etching baths, following glass pre-cleaning and temperature stabilization; automatic dosing systems ensure steady-state concentration during high-throughput production

    Final product types

    • Etched decorative window panes
    • Glass touch panels for electronics
    • Architectural patterned glass sheets
    • Specialty sensor substrates

    2. Metal Surface Treatment in Aluminum and Magnesium Alloy Processing

    Manufacturers processing aluminum and magnesium alloys apply ammonium hexafluorosilicate to enhance surface cleaning and activate substrates prior to anodizing and electroplating. This application helps remove oxide, silicate, or stubborn inorganic residues, ensuring strong, uniform conversion coatings essential for further surface finishing. Process engineers validate the raw material's addition to tightly controlled cleaning and pre-treatment lines to meet both surface quality and metal finishing industry protocols.

    Industry compliance standards

    • ISO 9227 (Corrosion tests in artificial atmospheres)
    • ASTM B117 (Salt Spray test for evaluating coatings)
    • EPA Metal Finishing Effluent Guidelines (40 CFR Part 433)
    • RoHS Directive and WEEE compliance where used on components for electronics

    Typical usage ratio

    • Typically 0.5% to 3% by weight in surface activation baths; adjusted according to metal type and contaminant burden as confirmed by surface analytics

    Downstream process integration

    • Injected into pre-treatment tanks after degreasing and prior to rinsing, where it reacts with metal substrates to facilitate scale removal and micro-etching

    Final product types

    • Anodized aluminum panels for the automotive and aerospace sector
    • Aluminum housings for consumer electronics
    • Magnesium alloy optical and camera components
    • Electroplated connectors and terminals

    3. Ceramic and Porcelain Manufacturing – Opacifier Processing

    Producers in the ceramics industry use ammonium hexafluorosilicate during glaze formulation to achieve controlled opacification and whiteness in high-grade porcelain and sanitaryware. The compound contributes to microcrystalline formation upon firing, improving opacity and surface aesthetics without compromising mechanical strength. Technical teams monitor the addition in glaze slurry to maintain color uniformity and compliant release of fluoride during kiln operations.

    Industry compliance standards

    • EN 1388-1 (Release of metals from ceramic articles – determination of lead and cadmium)
    • FDA 21 CFR 175.300 for glaze coatings on food contact articles
    • ISO 13006 (Ceramic tile standards)
    • National and EU limits on soluble fluoride residues in household ceramics

    Typical usage ratio

    • 0.1% to 1.5% by weight in glaze formulations; optimized empirically based on clay body composition, firing temperature, and required opacity

    Downstream process integration

    • Blended into the liquid or powder glaze batch prior to sieve milling, ensuring even distribution before dip or spray coating onto shaped ware ahead of kiln firing

    Final product types

    • Hotel porcelain tableware
    • Ceramic sanitaryware
    • Architectural ceramics and tiles
    • Specialty art ceramics requiring high opacity

    4. Synthetic Cryolite and Aluminium Electrolyte Manufacturing

    Producers of synthetic cryolite incorporate ammonium hexafluorosilicate as a fluorine source during synthesis, supporting the supply chain for primary aluminum smelters. The material's controlled decomposition ensures consistent fluorine yield and purity, vital for the subsequent formulation of electrolyte blends used in the Hall-Héroult process. Plant operations team monitor batchwise addition to assure stoichiometry and minimize hazardous byproduct formation, facilitating compliance with emissions and product purity demands in the nonferrous metals sector.

    Industry compliance standards

    • ISO 9001:2015 for quality management in industrial chemical production
    • ASTM D6646 (Purity determination for synthetic cryolite)
    • Environmental permitting standards for fluoride emissions (local EPA and EU BREF)
    • ISO 14001:2015 (Environmental management systems for mineral processing plants)

    Typical usage ratio

    • Stoichiometric levels determined by the sodium and aluminum input matrices, with typical batch additions ranging from 5% to 20% by weight in the synthesis step

    Downstream process integration

    • Charged into high-temperature synthesis reactors in coordination with sodium carbonate and aluminum hydroxide, initiating solid-state or aqueous phase reaction to form cryolite followed by filtration and drying

    Final product types

    • High-purity synthetic cryolite powder or granules
    • Frozen electrolyte blocks for aluminum smelters
    • Packaged electrolyte blends for primary aluminum electrolysis cells

    5. Disinfectant and Industrial Cleaning Compound Production

    Formulators in the industrial and institutional cleaning sector incorporate ammonium hexafluorosilicate in specialty disinfectant preparations for targeted microbial control, especially in water treatment circuit cleaners and heavy-duty facility maintenance products. Its strong oxidizing and fluoride ion release properties serve applications where deep mineral surface penetration and scale disruption are engineering priorities. Compliance and safety management teams oversee formulation stages to balance efficacy with regulatory fluoride limits and handler protection requirements.

    Industry compliance standards

    • EPA FIFRA (for use of antimicrobial and disinfectant chemicals in the US market)
    • UN GHS/CLP (Classification, Labelling and Packaging of substances and mixtures)
    • OSHA PPE regulations for industrial chemical use
    • REACH Annex XVII restrictions (for professional and downstream user safety)

    Typical usage ratio

    • Normally in the 0.05% to 0.5% range by weight in finished disinfectant or cleaner concentrates; dosage varies based on discharge regulations and specific cleaning protocols

    Downstream process integration

    • Added during blending and homogenization of industrial cleaning agent bases, followed by controlled pH adjustment and stabilization before packaging

    Final product types

    • Heavy equipment descalers for factories and power plants
    • Industrial surface disinfectants for food processing plants
    • Scale and stain removers for municipal water treatment infrastructure
    • Circuit cleaning agents for process engineering systems
    Free Quote

    Competitive Ammonium Hexafluorosilicate prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to sales7@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: sales7@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Understanding Ammonium Hexafluorosilicate from a Manufacturer’s Perspective

    Building on Years of Hands-on Experience

    Working in the chemical manufacturing industry for decades gives you a different relationship with your products. Ammonium Hexafluorosilicate is one of those compounds that demands both respect and attention. Day in and day out, we’ve watched it move through blending vessels, reaction columns, and careful bagging operations, knowing each step affects not only quality, but safety down the supply chain. For those new to this field, the name can be a mouthful, but to people who handle it, the crystalline white powder brings to mind strict cleanliness, consistency, and attention to detail during every batch.

    Clarity in Composition and Reliable Quality

    The Ammonium Hexafluorosilicate we produce is created through controlled reaction and purification. We keep an eye on particle size, moisture, and purity, monitoring with on-site lab instruments. On average, our product grade follows a consistent model that meets or exceeds 99% assay (as per chemical titration results). Workers often point out if a batch appears off-color or if flow properties suggest contamination, but over the years, our refining and crystallization processes have brought these inconsistencies almost to zero.

    Manufacturing Ammonium Hexafluorosilicate at industrial scale isn’t about churning out powder, hoping it reaches its destination unscathed. Reliability comes from repeatable protocols and rugged monitoring. We avoid introducing impurities and cross-contamination by shutting down lines for deep cleaning during product switches, especially between fluorine compounds. Each time a shipment leaves, it reflects not just our methods, but a sense of accountability to customers relying on exact chemical behavior every single time.

    What It Does, and Where It’s Needed

    Few people outside of chemical plants know what Ammonium Hexafluorosilicate does. In many applications, its primary value lies in creating other chemicals or in industrial treatments. The glass and ceramics sectors use it for opacification and etching. Water fluoridation programs depend on accurate dosages from this compound, and metallurgical operations add it to surface treatment baths. Even synthetic mica starts from this fluoride, giving us that pearlescent shine in paints and plastics.

    Customers regularly ask about performance differences between batches—especially when they shift supply from other vendors. Over the years, our technical staff has seen that small variances in particle size or residual acidity can make a difference in automated dosing systems. We’ve solved these issues by fine-tuning drying and milling steps. Some water treatment plants, for instance, have older equipment that jams if the product cakes or absorbs moisture. Knowing this, we keep water content low and control the granule size for reliable flow.

    Comparing with Alternatives: Differences That Matter

    People sometimes debate the differences between various fluoride sources. Sodium fluorosilicate and Ammonium Fluoride often come up in the same discussions. Ammonium Hexafluorosilicate distinguishes itself because of its balanced solubility and absence of sodium, which can interfere with some chemical processes, especially where alkali content causes side reactions or scale formation.

    Switching between similar products isn’t always straightforward. We’ve seen customers run into unexpected process interruptions when a formulation developed for sodium versions is hastily replaced with an ammonium salt. The chemistry changes can seem minor on paper but result in higher costs or difficulties in downstream reactions. Over time, our application engineers started working with partner laboratories and plant managers to walk through potential adjustments, advising on compatibility and answering tough questions about yield and purity.

    Use in Water Treatment

    One of the high-impact uses of Ammonium Hexafluorosilicate revolves around municipal water fluoridation. Many cities, especially those with older dosing equipment, ask about the product’s handling properties. Bulk shipments arrive as a stable solid, not a liquid concentrate prone to accident or spillage. Water authorities need assurance about trace metals and impurities, and that’s a guarantee we can make, since our purification steps exceed regulatory requirements including heavy metal thresholds.

    Operators have shared feedback over the years—anything from caking during humid storage to dust concerns when silo systems are charged. Each round of feedback led us to refine packaging, handling recommendations, and the physical form of our material. Now, we’re able to supply a granulated version with lower dustiness and predictable solubility rates, a feature not always matched by basic crystalline grades from less-experienced producers. The lower dust generation also means less product loss—every kilogram matters in public projects.

    Glass and Ceramics: Meeting the Demands of High-Temperature Processing

    In glassmaking, Ammonium Hexafluorosilicate serves as a useful flux and opacifier. Glass composition engineers care about residue, melting point depression, and the removal of certain color-forming ions. While sodium-based alternatives can lead to haze or undesired color shifts, our ammonium salt integrates cleanly, leaving fewer ionic residues after decomposition.

    Kiln operators have sometimes raised concerns about off-gassing and odor during heating stages. After consulting with these technical experts, we modified our granulation and drying steps to achieve more complete decomposition, reducing the release of ammonia odors in confined plant environments. It didn’t happen overnight—years of batch observation, feedback, and operational input from partners led us to our current process. The results show up in fewer complaints, more predictable product, and improved acceptance in specialty ceramics plants.

    Surfaces, Finishes, and Specialty Industrial Applications

    Beyond the obvious roles, this compound also finds its way into electroplating shops and surface treatment plants. In these settings, process engineers evaluate Ammonium Hexafluorosilicate based on contaminant levels, predictability in solution, and effects on metal surfaces. In some lines, trace levels of calcium or iron—Harmless in some applications—can trigger deposition issues and lower finish quality. We have responded to those concerns by setting stricter batch release criteria based on customer feedback.

    Over several years, we noticed that shops working on high-value components, such as aerospace parts or electronic connectors, demanded rigorous documentation and increasingly pure input material. Our plant introduced more frequent analytical testing and began keeping detailed records for each lot number. Maintenance teams can now trace any unusual deposit or defect back to individual shipments, supporting accountability and quality improvements.

    What Sets Genuine Manufacturer Supply Apart

    Many buyers aren’t aware of the difference between product coming straight from a manufacturer’s plant and material passing through traders or resellers. Often, the end-users only find out after running into surprise deviations. Our batches of Ammonium Hexafluorosilicate carry both a chemical and process “fingerprint”—trends in trace elements and physical characteristics that show where the chemical was made and how closely it matches previous deliveries.

    We always stress chain-of-custody and direct traceability. Requests for support or documentation come straight to our in-house team, not a middleman. When there’s an issue or a need for a custom grade, our engineers work alongside the production crew, making hands-on adjustments or offering specialized blending and packing options. Years of tracking have proven that open dialogue and factory direct supply bring more consistent performance—a direct benefit for buyers managing cost, safety, and regulatory pressure.

    Addressing Challenges in Handling and Logistics

    Manufacturing and shipping Ammonium Hexafluorosilicate at large scale creates a unique set of challenges. Bulk bags need to resist puncture during sea or rail transit. Moisture protection inside shipping containers keeps the powder free-flowing. By keeping a close relationship with logistics partners and even providing bracing material or desiccant packs when needed, we’ve reduced product failures on arrival.

    Customs delays, incorrect documentation, and mismatched labeling have caused headaches in the past, prompting us to rework our procedures for compliance. Now, every pallet and drum sent abroad is checked for compatibility with import requirements in its destination country, including languages and hazard labeling standards. The lessons learned from every product return or customer query influence our ongoing improvements, making each next shipment better aligned with global market needs.

    The Human Side of Chemical Manufacturing

    Chemicals such as Ammonium Hexafluorosilicate may look like simple powders, but their manufacture involves dozens of skilled hands and sharp eyes. Operators who watch over the reactor vessels have learned to anticipate trouble before it reaches the quality lab—catching clumping or discoloration before packing saves big headaches for end users down the line. Maintenance teams check for corrosion and leaks, knowing that clean lines prevent off-product results or accidental mixing, both of which break customer confidence.

    Plant workers have started suggesting process improvements based on years of lived experience, and many of those tweaks have made it into our operations manuals. Examples include improved feeding systems at packing lines, modified drum seals, and more thorough operator training for safe handling of fluoride salts. Prioritizing safety and product stability has created not just a cleaner plant, but a sense of pride among those who turn raw materials into reliable finished product every day.

    Finding Solutions Together With End Users

    Technical support doesn’t end once the shipment leaves our gates. Many of our relationships with customers began with a specific problem—a product that needed tighter control, a new purification barrier, or a delivery method matched to a unique factory environment. In collaboration, we’ve engineered solutions such as low-dust granules, high-purity batches, and containerized delivery systems.

    Keeping communications open is a two-way street. We learn a great deal from feedback about equipment fouling, process upsets, or even lost time to regulatory audits. Troubleshooting and continuous improvement are part of our role as chemical manufacturers, not tasks we delegate away. End-users who reach out with process questions find real answers—often including suggestions for mixing procedures, adjustments to storage, or even visits from our technical staff.

    Meeting Modern Standards: Safety, Sustainability, and Compliance

    Manufacturers always face the evolving landscape of chemical safety, environmental rules, and new user requirements. Compliance isn’t just about following the letter of the law. For Ammonium Hexafluorosilicate, safety efforts show in our active emissions management, careful waste handling, and constant reviews with regulatory auditors. Many processes have been adjusted over the years to minimize worker exposure, reduce fugitive emissions, and support better energy use.

    Sustainability now plays a growing role in how we plan and execute manufacturing. Sourcing raw materials responsibly, boosting processing efficiency, and moving toward closed-loop water systems isn’t just a marketing line—it’s where long-term viability and good stewardship intersect. We’ve cut manufacturing waste, looked for alternative energy sources, and designed new product forms that use fewer packaging resources, all while keeping material integrity front and center.

    Looking Forward: Innovation and Responsiveness

    Customers increasingly expect chemical suppliers who not only deliver the product, but support new technologies and emerging applications. As new industries develop—such as advanced ceramics, renewable energy devices, or environmental remediation—demands on purity, form, and documentation keep rising. We respond by investing in laboratory upgrades, trialing novel purification technologies, and keeping an ear to the ground for upcoming regulatory changes.

    Feedback from customers, end-users, and research partners guide our research priorities. The team reviews field reports, product returns, and journals to catch early signals of shifting needs. Sometimes, the solution is as simple as a change in particle size distribution, sometimes it’s a multi-year investment in plant upgrades. Either way, innovation only works when real-world concerns are heard and acted on by an experienced manufacturer.

    Conclusion: The Value of a Manufacturer’s Experience

    Ammonium Hexafluorosilicate is more than a commodity in the hands of a manufacturer. Each batch represents years of accumulated expertise across chemistry, engineering, logistics, and above all, human effort. As needs shift and applications evolve, direct experience in chemical production and customer collaboration ensure product quality and reliability remain at the highest standard.

    Choosing a source matters—not just for supply chain efficiency but for real-world, measurable results in every plant, waterworks, or workshop that relies on chemical precision. By focusing on safety, direct support, and ongoing improvement, we continue to supply Ammonium Hexafluorosilicate that meets the needs of both seasoned users and newcomers seeking trustworthy performance.