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Potassium Vanadate

    • Product Name Potassium Vanadate
    • Alias Vanadic acid dipotassium salt
    • Einecs 231-155-4
    • 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
    VTB
    Specifications

    HS Code

    896146

    chemical_name Potassium Vanadate
    chemical_formula KVO3
    molar_mass 138.04 g/mol
    appearance White crystalline solid
    solubility_in_water Soluble
    melting_point 600°C (approximate)
    density 3.36 g/cm³
    CAS_number 13709-49-4
    pH Alkaline in aqueous solution
    odor Odorless

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

    Packing & Storage
    Packing Potassium Vanadate, 100g: Supplied in a sealed, amber glass bottle with a secure screw cap and detailed hazard labeling.
    Shipping Potassium Vanadate should be shipped in tightly sealed, labeled containers to prevent contamination and moisture absorption. It must be transported according to local, national, and international regulations for hazardous materials. Ensure the material is handled by trained personnel and kept away from incompatible substances. Shipping must include appropriate safety documentation.
    Storage Potassium vanadate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as acids and strong oxidizers. Protect it from moisture and direct sunlight. Properly label the storage container and keep it away from food and drink. Always adhere to local regulations and safety guidelines for chemical storage.
    Application of Potassium Vanadate

    Applications of Potassium Vanadate in Industrial Manufacturing

    Potassium Vanadate serves as a specialized raw material across multiple high-value industries. As a dedicated chemical manufacturer, we supply carefully controlled grades for applications with defined technical demands. Below, we break down major manufacturing routes and their downstream integration for real-world sectors.

    1. Catalysis in Sulfuric Acid Production

    Potassium Vanadate acts as a key catalyst precursor in the manufacture of sulfuric acid using the contact process. Producers use it for vanadium-based catalyst systems, ensuring strong catalytic activity and oxidation efficiency for SO2 conversion. The raw material requires precise chemical purity and controlled vanadium valency, introduced during catalyst preparation or recharging. QC analysts monitor potassium and vanadium ratios to maintain process throughput, with strict adherence to environmental and occupational safety requirements. This application focuses on maximizing the catalytic bed's lifetime, minimizing contamination, and optimizing acid quality for downstream use in fertilizers and petrochemicals.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • REACH Regulation (EC) No 1907/2006 Annex XVII (usage of vanadium compounds)
    • Occupational exposure limits per EU Directive 2000/39/EC
    • Environmental emissions standards: Directive 2010/75/EU (Industrial Emissions Directive)

    Typical usage ratio

    • 0.3–0.5% vanadium (as V2O5 equivalent) by mass in final catalyst mix; ratio tuned based on SO2 feed concentration and plant design

    Downstream process integration

    • Introduced during wet impregnation of catalyst carriers (often silica or diatomaceous earth)
    • Used in solution form for uniform metal distribution
    • Periodic replenishment in fixed-bed reactors

    Final product types

    • Vanadium-based oxidation catalysts
    • Sulfuric acid (98–99% concentration)
    • Spent catalyst materials (for recycling or disposal)

    2. Colorant Production for Ceramic and Glass Manufacturing

    Potassium Vanadate delivers vanadium chemicals as a source of color for specialty ceramics and glass. Glassmakers apply vanadium ions for coloration, especially green, blue, and yellow shades, relying on redox state control during batch fusion. Ceramic glaze formulators use potassium vanadate for stable color development and resistance to high-temperature fading. The material integrates into frits and glaze slurries, requiring tight control over impurity elements to avoid glaze defects or unwanted hues. Manufacturers demand reproducibility in shade and consistency during mass production of decorative tiles and utility wares.

    Industry compliance standards

    • EN 1388-1/2: Release of metals from ceramic and glassware (food contact items)
    • ASTM C21-15: Standard Test Methods for Ceramic Whitewares
    • RoHS Directive 2011/65/EU (control of restricted elements in consumer ceramics and glass)
    • REACH Regulation (for pigment-grade material registration)

    Typical usage ratio

    • 0.05–1.5% by weight in pigment or glass batch; level adjusted for target color depth and firing schedule

    Downstream process integration

    • Blended into glass melts during formulation or batch charging
    • Added to glaze suspensions or ceramic slips prior to application and firing
    • Quality control by spectrophotometric color analysis

    Final product types

    • Colored architectural glass panes
    • Specialty tableware and decorative ceramics
    • Enamel coatings for sanitaryware

    3. Corrosion-Resistant Surface Coatings for Steel and Aluminum

    Potassium Vanadate functions as an additive in the formulation of conversion coatings that improve corrosion resistance of steel and aluminum. Metal finishing plants use controlled vanadate ions within phosphating or passivation baths, benefiting from strong adherence and tolerance to aggressive environments. The raw material enters coatings designed for automotive bodies, infrastructure, and marine hardware, with regulatory oversight for vanadium emissions and application worker exposure. Formulators prioritize low impurity levels to meet automotive and aerospace industry inspection standards, ensuring functional surface treatments without heavy environmental side-effects.

    Industry compliance standards

    • ISO 12944-5:2018 (Protective Paint Systems)
    • BS EN 12472:2005+A1:2009 (Metal release euro-norm)
    • Automotive OEM corrosion specification (e.g., GMW14872 for General Motors)
    • OSHA 1910.1200: Hazard Communication (worker safety covering vanadates)

    Typical usage ratio

    • 100–500 ppm vanadate ions in aqueous conversion bath, adjusted based on base metal and targeted coating thickness

    Downstream process integration

    • Dosed into metal surface pre-treatment lines before painting or finishing
    • Monitored by bath titration to maintain functional concentration
    • Used in combination with phosphate or silicate agents

    Final product types

    • Corrosion-resistant automotive body parts
    • Marine and industrial hardware with passivated surfaces
    • Pre-coated steel sheets for construction

    4. Vanadium Battery Electrolyte Manufacturing

    Potassium Vanadate serves as a precursor for the preparation of vanadium electrolytes used in vanadium redox flow batteries (VRFBs). Manufacturers reduce and dissolve it into acidic solutions to generate high-purity V(IV) or V(V) ions, critical for battery performance and longevity. The supply chain requires batch-to-batch traceability, with a focus on low impurity levels and stable redox state during processing. Battery integrators specify analytical vanadium content and request supporting QC documentation, as impurities may directly affect cell efficiency and self-discharge. Safety and environmental controls apply during high-volume electrolyte preparation, where customer requirements also dictate product packaging and transportation standards.

    Industry compliance standards

    • ISO 14001:2015 Environmental Management for battery supply chain
    • IEC 62932-3:2022 (Flow battery safety and performance)
    • UN Recommendations on the Transport of Dangerous Goods (electrolyte shipping)
    • Customer-driven QC protocols (ICP-OES impurity profiling, redox titration)

    Typical usage ratio

    • Determined stoichiometrically: 1 mol KVO3 delivers 1 mol vanadium to electrolyte; solution molarity set at 1.5–2.0 mol/L based on cell design

    Downstream process integration

    • Dissolved into sulfuric acid matrices, reduced to required vanadium oxidation state
    • Filtered and polished to remove insoluble residues before final blending
    • Batched with supporting vanadium salts for total electrolyte preparation

    Final product types

    • VRFB vanadium electrolyte solutions (V(IV)/V(V))
    • Stationary energy storage modules
    • Utility-scale energy storage system electrolyte reserves

    5. Specialty Oxidation Catalysts for Organic Synthesis

    Chemical synthesis companies utilize potassium vanadate as a component in mixed-metal catalytic systems for selective oxidation of hydrocarbons and alcohols. Its vanadium content enables precise redox cycling during manufacture of phthalic anhydride, maleic anhydride, and certain aldehydes. Operators introduce it either as a stand-alone precursor or as a minor phase with molybdates and antimonates. The feedstock purity must meet internal catalytic activity thresholds documented in validated SOPs, with end-customers frequently performing their own QC validation. Manufacturing traceability and compliance with hazardous chemicals management regulations are critical for this application, given the nature of the final products.

    Industry compliance standards

    • ISO 45001:2018 Occupational Health and Safety (plant operation)
    • EU Regulation 1272/2008 (Classification, Labelling and Packaging – CLP) for handled vanadates
    • REACH authorization for use in chemical synthesis
    • Internal validated operating procedures for catalyst handling

    Typical usage ratio

    • Variable: 0.1–1.2% vanadium by catalyst mass; exact ratio based on feedstock, reaction temperature, and process reactor design

    Downstream process integration

    • Homogenized into catalyst matrix before calcination and shaping
    • Dosed as a precursor solution during spray-drying of catalyst pellets
    • QC by catalytic activity excitation testing and surface element analysis

    Final product types

    • Supported vanadium oxidation catalysts
    • Bulk organic intermediates (e.g., phthalic anhydride, maleic anhydride)
    • High-purity chemical intermediates for polymer and resin industries

    6. Chemical Standards and Reference Material Preparation

    Analytical laboratories and chemical producers rely on potassium vanadate as a source material for vanadium calibration standards, serving ICP, AAS, and wet chemistry reference procedures. We support customers by providing high-purity material for gravimetric or volumetric solution preparation, with impurity and moisture levels certified to fit strict compliance environments. Technical specialists emphasize packaging, documentation, and chain-of-custody traceability, as laboratory and reference material standards must support audits and accreditations. End-use requirements include explicit certificates of analysis and lot-level conformance documentation.

    Industry compliance standards

    • ISO/IEC 17025:2017 (Testing and Calibration Laboratories)
    • ISO Guide 34:2009 (Reference Material Producers)
    • NIST SRM program procedures for reference compound validation
    • OECD GLP Principles (for accredited testing labs)

    Typical usage ratio

    • Concentration range: 1–1000 mg/L V as stock calibration solution; prepared gravimetrically for precision audits

    Downstream process integration

    • Dissolved directly in acidified water for calibration standard preparation
    • Used to formulate multi-element standard mixes for instrument calibration
    • Bottled under inert atmosphere for consistent stability

    Final product types

    • Vanadium ICP/AAS calibration solutions
    • Certified reference materials for analytical method validation
    • Standard solutions for environmental and quality control laboratories
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    Certification & Compliance
    More Introduction

    Potassium Vanadate: Manufacturing, Uses, and Value from the Producer’s Perspective

    What Potassium Vanadate Is and Why Our Manufacturing Process Matters

    Potassium vanadate stands as one of those chemical products that often sits behind the scenes in industrial processes, but its impact can be far-reaching. As a substance made by careful reaction of vanadium pentoxide with potassium sources under controlled conditions, the endpoint lies in consistent crystalline or powdery solid, almost white in color. Our daily experience producing potassium vanadate has taught us that its reliability comes down to purity and uniformity, which translates into its efficiency in downstream applications. It’s not a material to simply purchase off a catalog; every batch tells a story through its solubility, trace element profile, and particle size consistency.

    Our process adheres closely to quality control benchmarks. Every lot travels through rigorous filtration and purification steps. Impurities like iron or silicon get carefully monitored since even trace metals can interfere with the performance, especially when it comes to applications in catalysts or specialty glass manufacturing. Analytical instruments and decades of practice come together – we never count on shortcuts.

    Key Specifications We Focus On

    Consistent quality does not happen by accident. In our plant, we focus on several key specifications for the most commonly provided grade: high solubility in water, minimal moisture uptake on storage, and extremely low levels of contaminant cations. A batch’s success in meeting these benchmarks means less trouble downstream for our partners who use potassium vanadate as a precursor in vanadium alloy preparation or as a reagent in chemical syntheses.

    Reactivity stands as another detail that is front and center. The vanadate ion, as produced here, maintains a stable oxidation state, crucial in redox reactions and laboratory preparations. Purity levels typically surpass 99%, verified both by titrimetric and spectroscopic methods. We measure this regularly; our staff takes samples directly off the final filter, checking potassium and vanadium content to several decimal points. If numbers deviate, the product does not go forward. There’s no guesswork.

    Particle size is more than an afterthought, especially since customers let us know if they require finer powder for solution-based processes or a course fraction for slower dissolution. Our staff does not rely on assumptions; we consult the equipment and test on the ground. Hydrate levels and water-soluble residue get monitored in every routine. Over the years, we have invested in drying and screening technology to respond to this requirement, saving users from the frustration of clumping or excessive dust.

    Applications: What Experience Teaches about Real-World Use

    Many purchase potassium vanadate for catalyst production, particularly in systems where vanadium’s oxidation potential plays a central role. In industrial oxidation of organic compounds for fine chemical manufacture, consistent catalyst behavior depends not just on the total vanadium loading, but on how it enters the catalyst support material. Laboratory experiments taught us early on that even minor variations in our potassium vanadate purity could impact the yield or selectivity of reactions, so we work closely with technical managers and engineers from our customer base to ensure consistency.

    Glass and ceramics use remains another core area. In our material, transparency and absence of color are non-negotiable for glassmakers. The slightest impurity translates directly into unwanted haze or discoloration; repeated feedback cycles have forced us to develop steps to remove metallic and organic contaminants that older manufacturing methods might have missed. This flow of information with customers often gets overlooked in basic data sheets, but it drives us to keep refining our process.

    Some research groups and industrial users rely on the reactivity of potassium vanadate for analytical chemistry or laboratory work, especially in preparing standard vanadate solutions or as part of colorimetric assays for detecting certain cations. Because these users need minute detail and accuracy, we put extra effort into documentation and batch tracking, ensuring every container shipped matches the calibration reference.

    Water treatment sometimes crops up as a use – particularly for trace element management and sometimes as a minor additive in corrosion inhibition systems. Occasionally, we get requests for technical guidance about compatibility with other chemicals or about storage practices. Our facility’s packaging choices help maintain stability and keep the vanadate in its intended chemical form, with moisture barriers and appropriate labeling always included from production line to shipping dock.

    Comparing Potassium Vanadate to Other Vanadium Compounds from the Producer’s View

    Our plant produces vanadium derivatives in several forms: potassium vanadate, ammonium vanadate, sodium metavanadate, and vanadium pentoxide most commonly. Normally, potassium vanadate offers higher stability compared to the ammonium salts, which tend to decompose more easily and release ammonia under some conditions. Users working in high purity processes or thermal sensitive systems usually ask for potassium vanadate for this very reason. While sodium metavanadate dissolves more quickly, its higher sodium content sometimes poses compatibility concerns in fine chemical or high-performance material applications.

    Pricing and ease of handling often sway a purchase, but downstream results carry the real weight. We have spent years gathering feedback from customers across metallurgy, catalysis, and pigment industries. Potassium vanadate features lower reactivity with containers and less absorption of atmospheric moisture compared to some ammonium-based vanadates. Clients who transfer vanadium products manually or store them for a long time confirm fewer issues related to caking or inconsistent flow.

    Environmental goals increasingly shape specification requests. Sodium-based vanadates sometimes draw regulatory scrutiny in certain markets, where users prefer potassium analogs to limit sodium emissions during disposal or incineration. The shift toward potassium vanadate grows stronger every year as awareness around wastewater composition hardens regulatory controls. Our internal analysis shows the potassium routes fit more neatly into closed-loop systems and chemical recycling schemes, compared to others.

    Vanadium pentoxide remains a reliable raw material for many users, but needs extra handling steps before it can dissolve, and requires significant pH control. By offering potassium vanadate directly, we help users skip bottlenecks. For glassmakers and specialist catalyst formulators, this reduces process time and risk of inconsistency.

    Meeting Modern Demands: Quality, Traceability, and Technical Support

    Each batch of potassium vanadate shipped from our facility carries a chain of documentation linking raw materials to finished lot. This transparency comes from necessity rather than marketing. Customers working with catalysts in regulated industries need full traceability. Laboratory chemists and industrial users want a product that matches documentation, with measurements that hold up to third-party audits. Compliance frameworks demand clear labeling, and our staff records every stage, from weighing to final packing.

    Across years of operating and working through international supply chains, quality management has proven its importance. We do not separate quality from service or technical support; our teams respond directly to users, providing samples, answering formulation questions, and sharing process data. Some calls revolve around optimizing dissolution or minimizing sediment in a customer’s reactor. Others relate to long-term storage stability in damp climates. These conversations guide our process improvements, pushing us to change drying methods or update packaging specifications as needed.

    We have learned not every buyer faces the same problems. A pigment manufacturer may worry more about iron contamination, while a water treatment operator asks about potassium release in application. By keeping the dialogue open, evolving processes, and sharing technical data, we have reduced returns, avoided disruptions, and supported R&D at partner companies. Technical staff run collaborative tests, tracking product behavior outside our own plant walls, so we know how potassium vanadate works in real-world contexts.

    Improvement and Innovation in Potassium Vanadate Manufacturing

    Continuous improvement drives most of our manufacturing changes. We introduced new purification protocols in response to glass industry demand for higher clarity. Deionized water, inert atmosphere handling, and more rigorous Kanban inventory management now play a role at every stage. Staff bring up flaws – no matter how small – and we do not dismiss them, because every cycle of feedback has sharpened our approach.

    Innovation extends from the shop floor to R&D. Years ago, we switched to a closed reactor system to capture and re-use wash water, not just to save costs, but to control variability in the ionic background of the product. These steps feed back into product quality and environmental compliance, giving our potassium vanadate a reproducible trace element profile. Users notice these changes, especially when their own analytical routines show fewer outliers in product performance.

    We watch the supply chain closely, making sourcing decisions based on proven suppliers and sometimes changing sources to improve purity. This responsiveness does not come from market pressure, but from lived experience. Previous supply issues have driven us to keep buffer stock on hand, anticipate logistical delays, and maintain transparent communication with partners. In today’s landscape, flexibility in production and procurement protects both us and our customers.

    Resting on process design and Standard Operating Procedures only gets you so far; real improvement springs from the shop floor and the scientists who use our products. We run plant trials in parallel with larger production, testing tweaks to washing or drying settings. Every time a complaint or suggestion comes in, it returns to our lab for evaluation. Potassium vanadate is not a one-size-fits-all material, so constant adaptation is key.

    Safe Handling, Compliance, and Environmental Considerations

    All chemicals carry risk, and potassium vanadate is no exception. With experience, the right handling protocols become second nature: using dust controls, storing the product away from acids and incompatible oxidizers, and making full use of protective equipment. Our staff undergo regular training, staying current with evolving safety guidelines. External audits and internal compliance programs keep occupational health risks low.

    We track regulatory changes on a global scale. Potassium vanadate often sits under controlled substance categories in certain jurisdictions, making clear labeling and documentation essential for cross-border transport. For us, ensuring customers understand the correct handling and disposal protocols goes beyond paperwork. We support waste management queries, landfill acceptability discussions, and wastewater compatibility reviews.

    Our facility pursues reduced emissions and seeks to minimize waste by recycling process water and capturing airborne particulates at every transfer point. Environmental monitoring in our operations tracks discharge and confirms compliance. Feedback from environmental partners pushes us to adopt stricter policies than those demanded by current regulation. Sustainability does not stand apart from quality; recycled water and careful material sourcing now shape our routine operations.

    Customers often request environmental impact profiles, so we provide emissions data and product lifecycle information directly. Many end users want full understanding of potassium’s role in their process and the fate of vanadium after use, especially in sectors where pressure to show reduced environmental footprint grows year by year. We stay open to new developments, adjusting practices to meet stakeholder needs.

    Challenges and Looking Forward

    Every industry faces challenges, and in potassium vanadate production, we see ours in fluctuating raw material costs, evolving environmental standards, and ever-increasing customer expectations. Transportation regulations for specialty chemicals tighten globally. Customers demand more agile response to specification changes. Through direct partnerships with buyers and steady investment in equipment, we strive to keep ahead.

    We cannot afford complacency. The rise of new vanadium uses – including energy storage and specialty electronics – brings new purity and reactivity requirements. Our technical team stays in close contact with R&D units across industries, preparing for changes in demand. As the global market for environmentally friendly chemistries grows, we see demand shifting away from sodium or ammonium vanadates toward potassium-based options, increasing pressure on production planning.

    Building trust, batch after batch, takes real-world action. Our staff meet with users, share data, and collaborate on problems that do not always have easy answers. Experience has taught us that complex problems need practical, immediate solutions as much as they need long-term planning. By maintaining a strong technical base and a willingness to adapt our process, we ensure potassium vanadate users get the product performance and support they deserve.

    Conclusion: Why We Stand Behind Our Potassium Vanadate

    Years of direct experience manufacturing potassium vanadate taught us reliability is a daily challenge, not a given. Each step from raw material to shipping reflects close attention to detail and honest communication with downstream users. By focusing on purity, traceability, and technical support, we create lasting value for industries relying on precise vanadium chemistry. Trust grows batch by batch, and our factory remains committed to meeting new demands, tackling problems together with the people who use and rely on our products every day.