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Barium Hexafluorosilicate

    • Product Name Barium Hexafluorosilicate
    • Alias Barium fluosilicate
    • Einecs 237-476-8
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    475334

    Chemical Name Barium Hexafluorosilicate
    Chemical Formula BaSiF6
    Molar Mass 292.49 g/mol
    Appearance White crystalline powder
    Density 3.24 g/cm3
    Solubility In Water Slightly soluble
    Melting Point Decomposes before melting
    Cas Number 7787-32-8
    Odor Odorless
    Ph Acidic (in aqueous solution)
    Stability Stable under normal conditions

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

    Packing & Storage
    Packing 1 kg white plastic bottle with tamper-evident cap; labeled “Barium Hexafluorosilicate,” CAS number, hazard symbols, and handling instructions.
    Shipping Barium Hexafluorosilicate should be shipped in tightly sealed containers, protected from moisture, and clearly labeled as a hazardous material. It must be handled with care, adhering to appropriate safety regulations, including transport under UN number 1564. Avoid contact with incompatible substances and ensure documentation complies with local, national, and international shipping regulations.
    Storage Barium hexafluorosilicate should be stored in a tightly sealed container, in a cool, dry, well-ventilated area away from moisture, acids, and incompatible substances. The storage area should be clearly labeled, protected from physical damage, and isolated from food and feedstuffs. Appropriate secondary containment is recommended to prevent environmental release in case of spills or leaks.
    Application of Barium Hexafluorosilicate

    Applications of Barium Hexafluorosilicate in Industrial Manufacturing

    Barium hexafluorosilicate serves key roles in advanced manufacturing segments where its unique chemical properties yield distinct process and product benefits. As a specialized inorganic salt, it supports core functions in glass, ceramics, electronics, surface modification, and corrosion protection. The following sections detail precise downstream applications, integration points, benchmark usage data, and applicable compliance protocols for industrial users.

    1. Glass and Enamel Frit Formulations

    Downstream glass and enamel frit producers utilize barium hexafluorosilicate as a fluxing and opacifying additive. Its fluoride content lowers melting temperatures, aiding homogeneous glass melt and regulating viscosity during fusion. Sourcing partners in technical enamel, architectural glass, and decorative glaze lines value the salt's capacity to deliver reliable opacity and whiteness, ensure proper glass network modification, and enhance product brightness for consumer-facing and industrial specifications. Operators select the material for precision in matching customer color, chemical stability, and physical durability requirements as they target various end-use architectures.

    Industry compliance standards

    • EN 1388-1:2007 (Migration of certain elements - Glassware)
    • ISO 28764:2015 (Vitreous and porcelain enamels - Manufacturing of enamelled articles)
    • RoHS Directive 2011/65/EU (Restriction of certain hazardous substances in electronics)
    • ASTM C225-95 (Standard Reference for Glass Standards)

    Typical usage ratio

    • 0.2% to 1.5% by batch weight for glass and enamel frits, tuned by melt viscosity, opacity, and specific formulation performance

    Downstream process integration

    • Charged directly into glass or frit batch pre-melt
    • Homogenized with silicates, carbonates, and opacifiers at the batch mix stage
    • Contributes during furnace fusion and subsequent frit quenching or glass fiber drawing

    Final product types

    • Ceramic tile glazes
    • Architectural glass panels
    • Enameled cookware and appliance surfaces
    • Glass fiber for insulation and composites

    2. Fluoride Source in Specialty Ceramics

    Custom ceramics manufacturers deploy barium hexafluorosilicate in base compositions to deliver controlled fluoride introduction, crucial for formulating high-performance technical ceramics. The material enables lower firing temperatures, refined grain structures, and chemical resistance essential in electronics, aerospace, fuel cell, and refractory applications. By modulating fluoride dose, ceramicists enhance component insulation, densification, and provide barriers to corrosive attack. Its precise decomposition profile gives process engineers the ability to drive desired sintering dynamics and microstructure outcomes in advanced oxide systems.

    Industry compliance standards

    • IEC 60672 (Specification for ceramic and glass insulating materials for electrical purposes)
    • ASTM C485-21 (Test Methods for Ceramic Tiles)
    • UL 94 Flammability Standards (for electrical insulation ceramics)
    • REACH Regulation (EC) No 1907/2006 (Registration, Evaluation, Authorisation and Restriction of Chemicals)

    Typical usage ratio

    • 0.05% to 0.8% of clay or oxide batch weight, prescribed based on target fluorine content, firing temperature reduction, and specific surface property

    Downstream process integration

    • Dosed into ceramic slurry or powder blend prior to ball-milling or spray drying
    • Decomposes and reacts during kiln firing at 800–1300°C for microstructure control
    • Remains as a distributed fluoride phase, modifying grain boundaries and insulating characteristics

    Final product types

    • Dielectric ceramics for capacitors
    • Ceramic substrates for electronic circuits
    • High-wear ceramic valves and pump components
    • Structural parts in fuel cell assemblies

    3. Electroplating Additive for Corrosion-Resistant Coatings

    Industrial metal finishing and electroplating lines use barium hexafluorosilicate as a controlled fluoride source to enhance metal surface passivation. It enables fine-tuned formation of conversion coatings on aluminum, magnesium, and zinc-based substrates, boosting corrosion barrier properties and paint adhesion in automotive, construction, and marine equipment. The additive enters both immersion and electrolytic baths, providing robust surface integrity through fluoride ion exchange and subsequent hydrolysis. Quality teams leverage its uniform solubility and low impurity content to ensure compliant, high-performance finishes meeting advanced durability standards.

    Industry compliance standards

    • ISO 9227:2017 (Corrosion tests in artificial atmospheres - Salt spray tests)
    • ASTM B733-15 (Autocatalytic deposition coatings for metallic parts)
    • RoHS Directive 2011/65/EU (Limits on heavy metal use in coatings)

    Typical usage ratio

    • 0.1 to 0.6 g/L bath concentration, calibrated following surface area, base alloy type, and desired coating thickness

    Downstream process integration

    • Added directly to aqueous electroplating or conversion coating electrolyte baths during initial charge-up
    • Maintained by periodic replenishment to sustain bath chemistry and coating consistency
    • Plating line managers monitor fluoride ion activity with inline analytical control

    Final product types

    • Automotive fasteners and trims
    • Zinc-aluminum architectural panels
    • Marine hardware and electrical connectors
    • High-durability machine casings

    4. Etching Agent for Microelectronics Processing

    Within semiconductor and microelectronics fabrication, process engineers rely on barium hexafluorosilicate as an anhydrous fluoride source in dry and wet etching protocols. Integrated circuit and MEMS manufacturers add the salt to precision etchant formulations targeting silicon-based wafer features. The compound facilitates selective removal of silicon oxide and silicate layers, supporting intricate patterning at sub-micron scales. Its low metal ion contamination profile offers process stability, essential for maintaining circuit reliability during wafer-level photolithography and microfabrication.

    Industry compliance standards

    • SEMI C35-1103 (Specification for Silicon Etchants and Strippers for Semiconductor Manufacturing)
    • IEC/EN 60749-10 (Semiconductor reliability and testing)
    • IATF 16949:2016 (Automotive Quality Management for electronic components)

    Typical usage ratio

    • 0.01 M to 0.1 M concentration in buffered etchant solutions, adjusted by silicon oxide film thickness and desired etch rate

    Downstream process integration

    • Dosed to aqueous or mixed solvent etchant baths under controlled agitation
    • Introduced at the photolithography or cleaning stage for circuit patterning or vertical profile formation
    • Completely rinsed post-etch for residue-free wafer surface

    Final product types

    • CMOS and BICMOS integrated circuits
    • MEMS (Microelectromechanical systems) devices
    • Thin-film transistor displays (TFT-LCD, OLED)
    • High-frequency RF circuit wafers

    5. Chemical Intermediate for Fluorine-Containing Compounds

    Fine chemical and specialty fluorine compound manufacturers adopt barium hexafluorosilicate as a controlled-fluoride transfer agent in the synthesis of organofluorine and inorganic fluoride derivatives. In engineered batch reactors, it serves as a convenient, stable source of fluoride under mild thermal or catalytic triggers. This property assists in downstream production of silicon-based coupling agents, fluorosilicate pigments, and functional coatings. Plant chemists appreciate its reliable reactivity profile and lower handling hazard relative to many alternative fluorinating agents.

    Industry compliance standards

    • ISO 9001:2015 (Quality management in chemical production)
    • REACH Regulation (EC) No 1907/2006 (Registration and reporting for chemical intermediates)
    • OECD Guidelines for the Testing of Chemicals

    Typical usage ratio

    • Stoichiometric to 10% excess over limiting reactant, set according to required fluorine yield and process safety limits

    Downstream process integration

    • Added to reactor charge as direct fluoride donor or in tandem with catalysts
    • Reacts under thermal or acid activation to liberate fluoride for silicon and metal fluoride synthesis
    • Managed by in-process QC for purity and conversion yield

    Final product types

    • Silane coupling agents for polymer composites
    • Specialty fluorosilicate pigments
    • Polymeric surface treatment additives
    • Glass etchants and fluorinated reagents

    6. Corrosion Inhibitor in Water Treatment Chemicals

    Specialty formulators for industrial water systems, boiler plants, and closed-loop cooling lines use barium hexafluorosilicate in tailored inhibitors to mitigate scale and minimize corrosion. The compound provides controlled release of fluoride and silicate ions that adsorb onto metal surfaces, forming adherent, protective films. Engineers target these formulations for demanding environments in power generation, food process equipment, and HVAC installations, where regulated dosages and predictable performance are critical for minimizing maintenance downtime and extending system life.

    Industry compliance standards

    • ANSI/AWWA B510-12 (Standard for Fluorosilicates)
    • ASTM D1384-05 (Standard Test Method for Corrosion Test for Engine Coolants)
    • ISO 5667-3:2018 (Water quality - Sample preservation and handling)

    Typical usage ratio

    • 2 to 20 mg/L system concentration, set by water chemistry, plant metallurgy, and required inhibitor action time

    Downstream process integration

    • Metered dosing to system recirculation lines via automated chemical feed pumps
    • Combined with scale inhibitors and pH regulators for synergistic effect
    • Monitored through on-line and periodic lab water analysis for fluoride and silicate residuals

    Final product types

    • Industrial boiler water treatment formulations
    • Circulating cooling water inhibitors
    • Corrosion-resistant process cooling fluids
    • Engine and compressor preservation additives
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    Certification & Compliance
    More Introduction

    Barium Hexafluorosilicate: Reliable Quality from Source to Solution

    Introducing Our Barium Hexafluorosilicate

    Barium hexafluorosilicate stands as a precise, purpose-built chemical that serves professionals across numerous industries. Working inside the plant and along every stage of our production line, we've learned quite a bit about what customers actually need. We make barium hexafluorosilicate by reacting barium carbonate with hydrofluorosilicic acid under controlled conditions, yielding a consistently pure, white crystalline powder with a precise chemical structure. Our team regularly monitors each batch, running tight particle size analyses and impurity profiles, never satisfied with “almost” when it comes to fulfilling detailed requirements. Our standard commercial model targets 98–99% purity. Bulk density falls within the expected range for high-grade powder, supporting downstream processing without headaches like uneven flow or clumping.

    Specifications and Production Controls

    Chemists and engineers both care about more than just purity. From our decades at the factory bench, we know even trace amounts of unwanted cations or water content disrupt sensitive formulations. In our facility, we keep all fluorosilicate handling isolated and pH-balanced, avoiding iron and other transition metals. Moisture is kept well below 1.5% to tighten shelf life and avoid caking. Finer grades average 5–10 microns particle size and we regularly check using laser diffraction. Inspection instruments run daily calibration checks and the whole lab stands behind every test certificate.

    Real-World Uses: Built for Industry

    Barium hexafluorosilicate didn’t simply get listed in a catalog — users demanded it for real reasons. We hear from manufacturers of ceramics, glass, specialty coatings, and electroplating shops all through the year. In glass production, our hexafluorosilicate helps create glass with a lower melting point so you get cleaner melts without warping expensive furnace liners. During enamel and ceramic glazes, the product encourages a smooth, glossy finish and helps eliminate micro-bubble pinholes. In a corrosion-resistant coating plant, it’s not enough to sprinkle any old salt in the mix. Our product stabilizes resins and creates water barriers, standing up to test after salt-fog test. Electroplating operations see more uniform layer build-up when using this chemical, particularly for non-stick or chemically inert surfaces.

    The biggest difference between barium hexafluorosilicate and generic silicates or simple fluoride additives shows up at the application stage. Other cheap silicates often introduce unwanted sodium or potassium and interrupt chemical stability. Straight fluoride sources lack the complexing effect of the hexafluorosilicate anion, so they tend to release fluoride too quickly—too aggressive for controlled deposition. With barium as the counterion, precipitation remains predictable and the end-product is less susceptible to leaching or environmental instability. Any advantage might sound subtle, but over dozens of batches, small gains count.

    Meeting Stringent User Demands

    Technical managers and lab supervisors trust our hexafluorosilicate because every sack and drum gets the same careful production oversight. We focus especially on batch-to-batch consistency so your recipes run true without each shipment becoming a guessing game. A small difference in water, particle size, or cation contamination can throw a glass run out of spec. Plant engineers don’t have time to revalidate raw materials mid-campaign, so our customers rely on us to keep those surprises away.

    Over the years, we’ve heard a wide range of practical user concerns. Anyone who has ever unclogged a pneumatic transfer line appreciates a powder that flows correctly under pressure. Coating operators want to see no scum lines or unreacted residues. At our plant, we run transferability and reactivity tests to ensure performance matches the technical sheets—because no one wants excuses when a production line stalls.

    Differences that Matter

    Many users ask what distinguishes our barium hexafluorosilicate from simple barium fluoride or sodium fluorosilicate. Simple answers about solubility or cost only skim the surface. Sodium versions might bring down raw material expenses but usually mean more sodium in final products, causing issues in applications like microelectronics or water treatment. Unwanted cations interfere with end-use properties, such as glass dielectric strength or surface finish in specialty coatings.

    We use barium for its unique interaction with the hexafluorosilicate group: the cation's size and lattice energy makes for a less soluble, more stable compound, ideal for processes needing precise fluoride release. In our labs, typical sodium or potassium analogs fail to control fluorination reactions the way barium does; they dissolve too quickly, lack thermal stability, and get lost during firing or curing. So we stick to barium for customers who need reliability, repeatability, and chemical integrity under high temperatures or reactive conditions.

    What We Hear from Real-World Users

    We hear from customers in regions with challenging water supplies who need a product that doesn’t contribute excessive salts. Glass-makers working for smartphone panels or high-durability lighting want no interference from stray metal ions, so our tight trace controls keep panels clearer and durability higher. Surface treatment firms who anodize aluminum mention that our product helps them avoid pitting and color streaks, credits we take seriously since those results cost real money to fix.

    Raw materials never behave like lab standards once machinery meets production scale. For decades, we’ve seen how small differences in hydration or trace byproducts spell trouble at scale. We’re careful about quality from reaction monitoring to the last bag on the pallet. We track product by lot so our support team can trace every shipment back to its production day and batch log. It’s a point of pride, but more importantly, it keeps customer processes smooth.

    Tackling Industry Challenges

    Not every country or region handles fluoride-based compounds the same way. Over the years, regulations have grown more detailed and environmental limits tighter. For companies in North America, Western Europe, and some Asian markets, disposal standards and trace element analysis now mean every input must clear strict scrutiny. In response, our plant adjusted upstream processing, using high-purity raw materials and closed-loop water purification to cut down on surprises. Finished lots get screened by both X-ray fluorescence and ICP-MS to scan for trace metals.

    Handling and storage also matter—our plant switched to multi-layer packaging and humidity-controlled shipping to deal with condensation, especially during hot, damp shipping seasons. Customers have told us that avoiding even small clumps in storage saves on downtime and labor, since forklifts and augers no longer jam up as often. These changes seem minor in the lab but keep large operations running without costly interruptions.

    Addressing Workplace Safety and Handling

    Anyone using barium or fluoride compounds in a manufacturing context understands safety requirements get real, fast. Early on, we saw how dust generation or poor labeling created confusion, risking operator exposure. Now, every drum and sack we ship includes printed hazard information with clear graphics, and we design packaging so powder stays sealed until fully loaded into process hoppers. Our team visits larger customers to review loading systems, working side by side to tweak handling so each transfer stays as clean as possible.

    We update our internal procedures as regulatory bodies revise their recommendations. We incorporate the latest personal protective equipment strategies and update our safety data files every time ingredient purity or sourcing shifts. These choices do more than meet checklists; they give credibility to the workflow our industry depends on.

    Technical Questions, Honest Answers

    Chemists and line managers never run out of questions about upstream and downstream compatibility. We encourage direct communication—sharing past test results, third-party analytical data, and best practices we’ve built over the years. Some teams inquire about interaction with soft metals, resin crosslinking, or influence on byproduct generation during combustion. We maintain an open technical library for qualifying teams, sharing past use-cases and letting newcomers see exactly what worked and what didn’t for similar projects.

    Our application specialists respond to inquiries about how barium hexafluorosilicate handles under atypical processing (like fast ramp-up heating, strong acidic blending, or long-term storage under variable climates). We offer candid feedback if we see formulations that might work better, and avoid promoting the product for situations where it wouldn’t deliver—instead pointing to more fitting alternatives or partners. This kind of transparency builds relationships that last through changing market conditions and shifts in regulatory frameworks.

    Our Commitment: Stable Supply and Ongoing Reliability

    Running a chemical plant isn’t about filling orders one day at a time. True manufacturing value appears in steady, predictable deliveries, reliable supply chain practices, and open communication. We've faced raw material shortfalls, logistics backups at major ports, and sudden surges in demand from critical industries. Lessons from these experiences push us to maintain target inventory levels on site, with secondary vendor relationships as a backup. Emergency orders require a fast turnaround, so we handle labeling, packing, and documentation internally, avoiding the confusion of outsourcing at busy times.

    Many end-users focus on environmental management. Our plant works to optimize yield from every batch, decreasing waste and reusing process water. Any byproduct barium compounds get recaptured and either reused or safely neutralized. Our team engages with environmental auditors regularly, opening the plant to review and feedback. Step-by-step, we have adjusted our footprint to match customer and regulatory needs.

    Upstream Sourcing: Why It Matters

    Sourcing for barium and fluorosilicate precursors can spell the difference between real value and recurring headaches. We deal directly with long-established miners for barium carbonate, bypassing unreliable traders who mix lots or mislabel grades. Fluorosilicic acid must be consistent—fluctuations in strength or impurity spike batch reject rates down the line. We rely on direct long-term suppliers and yearly audits so downstream quality doesn’t rest on chance. Such efforts become invisible only when nothing goes wrong—and that’s the kind of stability end-users deserve.

    Looking Forward: Solutions for Tomorrow

    Technology rarely stands still. As industries move toward new materials and higher performance expectations, our R&D team keeps exploring how modified barium hexafluorosilicate might benefit upcoming markets. In the last few years, electronic manufacturers and water treatment engineers have begun trials on advanced grades of our compound for specialty filter coatings and dielectric layers. Some customers now request finer particle size or adjusted surface properties, so we’re evaluating new grinding and surface treatment methods. We’re investing in automated blending and real-time quality sensors so batches deliver closer to custom requirements.

    Direct feedback cycles between users and our production team drive genuine improvements. We invite customer visits, both virtual and in-person, to offer transparency about how we run our facility and address issues together. Failures and missteps don’t get hidden—they provide the lessons that drive future progress.

    Why Experience Trumps a Data Sheet

    Over the years, flashy brochures and technical sheets promised much—but experience separates the posturing from the truly well-made product. In our plant, many senior operators have followed barium compounds from raw mineral all the way to finished, inspected powder. Problems spotted by experienced eyes get solved before shipping, not after. The small touches that protect material integrity go unnoticed by most, but professionals in glass, ceramics, and coatings recognize the value after a few production cycles.

    Production teams trust in a supplier’s experience as much as the numbers on a certificate. The process of making barium hexafluorosilicate consistently—and delivering it in tune with evolving user needs—demands an ongoing commitment to training, equipment investment, and honest feedback. Success in this business comes from attention to detail, willingness to adapt, and a respect for the complex requirements that define modern industry.

    Conclusion: Partnering for Predictable Results

    We see barium hexafluorosilicate not only as a product, but as an ongoing connection between experienced manufacturing teams and industrial users who value certainty. Solutions grow from lived knowledge—our own and those of our customers. Every decision in synthesis, handling, and shipping echoes back to the priorities shared by users in real plants and labs. As markets and technologies evolve, we remain committed to close collaboration, flexible adaptation, and a level of support that goes beyond the transaction. Reliable chemicals, honest practices, and shared technical insight create results that last.