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Potassium Metavanadate

    • Product Name Potassium Metavanadate
    • Alias Vanadic acid potassium salt
    • Einecs 231-960-0
    • 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

    981541

    Chemical Name Potassium Metavanadate
    Chemical Formula KVO3
    Molar Mass 138.03 g/mol
    Appearance White crystalline powder
    Solubility In Water Soluble
    Melting Point 300 °C (decomposes)
    Density 2.79 g/cm³
    Cas Number 1375-36-8
    Ph Of Solution 8-9 (1% solution)
    Oxidation State Of Vanadium +5
    Hazard Statements Harmful if swallowed, causes serious eye irritation
    Uses Analytical reagent, catalyst, dyeing, and printing fabrics

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

    Packing & Storage
    Packing White plastic bottle labeled "Potassium Metavanadate, 99% purity, 500g." Includes hazard symbols, batch number, and manufacturer details.
    Shipping Potassium Metavanadate should be shipped in tightly sealed containers, labeled as hazardous. It must be protected from moisture, direct sunlight, and incompatible substances. Shipping should follow regulations for toxic and environmentally hazardous materials, often under UN 2862, Class 6.1. Adequate ventilation and appropriate personal protective equipment (PPE) are required during handling.
    Storage Potassium metavanadate should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as strong acids and reducing agents. It should be kept away from direct sunlight and heat sources. Clearly label the storage area and ensure that appropriate safety signage and spill containment are in place.
    Application of Potassium Metavanadate

    Applications of Potassium Metavanadate in Industrial Manufacturing

    Potassium Metavanadate is a specialty vanadium salt with established roles across metallurgy, catalysis, chemical synthesis, advanced ceramics, and electronics production. As a manufacturer, we supply high-purity product tailored for demanding downstream operations. Below you will find dedicated industrial application segments, each reflecting real-world process integration, regulatory compliance, and consumption data.

    1. Steel and Alloy Metallurgy Additive

    Steelmakers utilize Potassium Metavanadate as a vanadium source for micro-alloying during the production of high-strength low-alloy (HSLA) steels and specialty cast irons. The material enters the melt as a finely controlled addition, delivering vanadium ions that promote grain refinement and improve mechanical properties, such as tensile strength and abrasion resistance. Our manufacturing supply supports precise batching, minimizing inclusions and ensuring homogenous vanadium uptake in downstream ladle metallurgy and continuous casting environments.

    Industry compliance standards

    • ASTM A108—Standard Specification for Steel Bar, Carbon and Alloy, Cold-Finished
    • GB/T 1591—China Standard for Low Alloy High Strength Structural Steels
    • ISO 4957—Tool Steels
    • ISO 9001 certified production practice required for audited supply chains

    Typical usage ratio

    • 0.02% to 0.12% vanadium element in steel, derived from dosing Potassium Metavanadate, with dosage calculated based on melt chemistry and targeted mechanical properties

    Downstream process integration

    • Added during secondary metallurgy stage, often after deoxidation; dissolved and homogenized prior to casting or rolling

    Final product types

    • Structural beams for construction
    • Automotive high-strength sheet steels
    • Oil and gas pipeline steels
    • Wear-resistant cast irons (mining and excavation components)

    2. Heterogeneous Catalyst Preparation for Chemical Synthesis

    Chemical manufacturers employ Potassium Metavanadate as a precursor for vanadium-based catalysts, particularly for the oxidation of sulfur dioxide to sulfur trioxide in sulfuric acid plants and for selective oxidation of hydrocarbons. Through controlled precipitation, impregnation, or spray drying methods, vanadium oxides are secured onto carrier substrates. Material purity directly impacts catalyst activity, selectivity, and lifespan in high-throughput reactors. We ensure consistency across multi-ton batches for large-scale catalyst fabricators.

    Industry compliance standards

    • ISO 9001 certified catalyst manufacturing
    • REACH Registration, Evaluation, Authorization and Restriction of Chemicals—EU chemical handling standards
    • US EPA—Hazardous Air Pollutant (HAPs) compliance for vanadium compounds
    • Chinese GB 30484—Safety Technical Standards for Chemical Catalysts

    Typical usage ratio

    • 2% to 10% V2O5 equivalent in final catalyst composition; dosing adapts to the target oxidation process and substrate surface area

    Downstream process integration

    • Converted to vanadium pentoxide in situ or co-precipitated with other catalyst actives; incorporated in wet impregnation of silica or alumina carriers; followed by calcination and activation under controlled atmosphere

    Final product types

    • Sulfuric acid plant vanadium pentoxide catalysts
    • Propane and butane selective oxidation catalysts
    • Acrylonitrile production catalysts
    • Naphthalene and phthalic anhydride oxidation catalysts

    3. Ceramics and Glass Colorant Manufacturing

    Advanced ceramics and glass factories use Potassium Metavanadate as a vanadium oxide donor for producing blue, green, or yellow hues in technical ceramics and architectural glass. Dropping this vanadate salt into the batch ensures uniform color intensity and thermal stability at high sintering temperatures. The precise formulation depends on silica/alumina ratios and desired chromatic properties. Our controlled particle size distribution enables efficient dispersion, minimizing pigment waste and batch-to-batch color variation.

    Industry compliance standards

    • EN 777-1—European standard for pigment quality in glass
    • ASTM C21—Chemical Analysis of Glass
    • ISO 9001 traceability on pigment feedstock
    • RoHS Directive—Restriction of Hazardous Substances in finished goods

    Typical usage ratio

    • 0.05% to 0.4% by mass of batch material, adjusted for glass composition and intensity of color required

    Downstream process integration

    • Introduced at powder blending phase with fluxes and colorants; integrated through melt homogenization before casting, pressing, or fritting

    Final product types

    • Decorative architectural glass
    • Ceramic tiles and sanitary ware with colored glazing
    • Glassware for lighting and tableware sectors
    • Technical ceramic components for electronics with color markers

    4. Electrochemical Energy Storage Materials

    Manufacturers in the battery and energy storage industry employ Potassium Metavanadate as a vanadium source in the synthesis of vanadium oxide cathodes and electrolytes for vanadium redox flow batteries (VRFBs). The controlled solubility and high purity enable efficient vanadium loading, critical for stable electrochemical cycling and capacity retention. Our production supports stringent impurity control, vital for scale-up from pilot lines to full-scale cell manufacturing.

    Industry compliance standards

    • UN 38.3—Transport of Battery Lithium and Metal Cells
    • IEC 62619—Safety for Secondary Lithium Cells and Batteries
    • ISO 9001 quality system for material traceability
    • IEC 61427—Secondary Cells and Batteries for Renewable Energy Storage

    Typical usage ratio

    • 4% to 8% vanadium by weight in cathode formulation or redox electrolyte, driven by battery design parameters and performance targets

    Downstream process integration

    • Dissolved and processed into vanadium electrolyte solutions; also used for wet chemical synthesis of V2O5 or mixed vanadium oxide cathode materials, followed by electrode fabrication

    Final product types

    • Vanadium redox flow battery electrolyte solutions
    • Cathode materials for stationary energy storage
    • Hybrid supercapacitor electrodes
    • Grid-scale storage system modules

    5. Analytical Reagents for Laboratory and Quality Control Use

    Laboratory reagent producers incorporate Potassium Metavanadate into validated analytical methodologies, including redox titration, spectrophotometry, and catalyst testing. Accurate trace element determination in fertilizer, alloy, and mineral analyses relies on the reliability and certified composition of reagent lots. As an upstream supplier, we enable glass ampoule filling and bulk supply, with full QC documentation and batch retention for reproducibility in regulated testing laboratories.

    Industry compliance standards

    • ISO/IEC 17025—Accreditation for testing and calibration laboratories
    • ASTM E200—Standard Practice for Preparation, Standardization, and Storage of Standard Solutions for Chemical Analysis
    • Reagent Grade specification under ACS and GHS labeling
    • REACH preregistration for analytical use sales in the EU

    Typical usage ratio

    • Preparation of 0.01 to 0.1 M vanadate solutions; dosage determined by the titration method or sensitivity required by the detection protocol

    Downstream process integration

    • Dissolved in ultrapure water or supporting buffers for immediate use or for formulation into laboratory test kits; filled into glass ampoules or plastic dropper bottles for distribution

    Final product types

    • Analytical titration solutions
    • Spectrophotometric reagents for trace element analysis
    • Certified reference materials
    • Commercial laboratory test kits
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    Certification & Compliance
    More Introduction

    Potassium Metavanadate: Reliable Chemistry from the Source

    Direct Insights from Our Production Floor

    Making Potassium Metavanadate starts with careful chemistry and attention to environmental health. In our plant, raw vanadium pentoxide reacts with high-purity potassium carbonate under precisely controlled temperatures. The result is a consistently white crystalline powder, Potassium Metavanadate, with well-defined KVO3 composition. Each batch runs through a dedicated line, avoiding cross-contamination with other vanadium products to keep specifications true for customers building catalysts, dyes, or ceramic glazes.

    Product Model and Specifications

    We ship Potassium Metavanadate with a target purity of 99% minimum, measured by both weight and spot-checking for residual sodium, chloride, or moisture. The standard mesh size is 80, allowing for easy weighing and solution preparation in laboratories and production tanks. Our team monitors color and granularity by visual inspection and calibrated instruments. Samples from every lot are tested by X-ray fluorescence and classic volumetric titration routines. Moisture content drops below 0.5%, helping customers avoid unwanted variability in their own process controls.

    Why Our Manufacturing Approach Matters

    On the shop floor, it’s not enough to just hit purity and size targets. We’ve learned from years of experience that trace impurities and batch fluctuations can upend entire downstream runs. Our reactors use special lining and filtration to prevent even rare metals hitchhiking from feedstock. Every operator in our facility knows that finicky reactions—like those in catalyst synthesis—rely on consistent ingredient chemistry. That’s why technician training and real-time data logs shape every step from mixing to final packing.

    What Sets Potassium Metavanadate Apart from Vanadium Compounds

    Unlike sodium metavanadate, which can leave sodium residues that interfere with many organic or high-temperature reactions, potassium-based vanadates introduce less stress for formula adjustments and scale-up. Ceramics specialists and pigment formulators come to us seeking potassium salts since their firing processes avoid unwanted sodium phases and color shifts. Compared with ammonium metavanadate, our Potassium Metavanadate leaves no volatile byproducts during heating, making it preferred in vacuum or reduced-pressure processes.

    Raw material handling gives Potassium Metavanadate an edge for those producing heteropoly acid catalysts or vanadate test solutions in analysis kits. Potassium’s gentle reactivity profile means pickling lines, steel plants, and specialty glasshouses do not face the corrosion or off-gassing headaches seen with other base metals. In the lab, it dissolves easily in water at ambient temperatures; our chemists have seen clear, stable solutions form with just mild stirring.

    Supporting Modern Industry Needs

    Catalyst producers count on us to support vanadium redox reactions. Potassium Metavanadate enters the process where stable vanadyl ions matter for multi-cyclic conversions. Our historical data shows physical and chemical consistency provides repeatable color intensity in pigment and dye synthesis, important for fabric mills scaling up seasonal runs. Ceramics foundries turn to us for reliable fluxing, reducing firing temperatures and stabilizing glaze lusters. Battery developers—pushing for longer cycle lives in vanadium redox flow cells—select our material when they want to tune ionic transport in electrolytes.

    Our production team adjusts lot sizes from as little as twenty-five kilograms for R&D groups up to metric tons for bulk processors. Each lot ships double-lined to avoid moisture pickup. End-users in analytical laboratories wax enthusiastic about the ease of weighing our material and how little residue it leaves in glassware or beakers. Technical sales support speaks with every new customer directly to match the lot characteristics with their application, rather than pushing out-of-the-box material.

    Handling and Storage Experience

    In our warehouse, storage routines focus on air and water exclusion. Potassium Metavanadate resists caking in tightly sealed drums. Unlike some vanadium oxides that clump and degrade fast, KVO3 holds up over time, giving users predictable performance weeks to months after receipt. We encourage end-users to store at room temperature, away from acidic vapors. Years of bulk handling teach us powder flows best between 10°C and 28°C; colder or humid storage risks clumping.

    For customers looking to minimize handling hazards, our experience proves valuable. Dry powder pickup can create fine airborne dust, so we recommend local exhaust and slow, scoop-filled transfer for production-scale operations. Our plant safety team reviews logistic data regularly and can suggest best-fit PPE based on volume, frequency, and workplace layout.

    Product Applications and Industry Feedback

    Feedback from catalyst manufacturers shows that potassium-based vanadates outperform comparable sodium or ammonium products in selectivity and shelf-life. Glass producers have noted enhanced uniformity in glass color and fewer inclusions when making colored architectural panels. Stain and glaze formulators in ceramics industries appreciate the freedom from sodium artifacts, which sometimes shift melted glaze tone or reduce surface smoothness. In chemical research, teams report replicable reaction kinetics and clear endpoint titrations every time.

    We watch industry trends closely. As energy storage needs push demand for vanadium redox batteries, we see more requests for high-purity potassium metavanadate in electrolyte preps. Our operators are keenly aware that small impurities affect electrode lifespan. We regularly sample across our packing runs, checking for trace metals or unwanted cations. Extra steps on our line, like differential scanning calorimetry or ICP-MS screening, keep products aligned with customer technical specs.

    Differences from Other Vanadium Compounds in Real-World Context

    In our experience, Potassium Metavanadate suits modern multi-process plants that avoid sodium cross-contamination—critical in precision glassmaking and advanced batteries. Sodium metavanadate, widely used in older analytics labs, often triggers solubility and interaction issues, forcing repeated filtering or reprocessing steps. Ammonium vanadate, favored in dyeing and metallurgy, can leave ammonia residues that affect pH or reactiveness. We see no such fallout with potassium salts, as post-process rinsing or heating does not unlock unwanted byproducts.

    Our technical team fields daily calls about the stability of different vanadium inputs. From firsthand observation, potassium-based vanadate outperforms alternatives in wet-milling, high-heat syntheses, and in systems where volatile losses undermine recovery rates. It brings clarity and confidence to analytical titrations—particularly for labs tracking chromium, uranium, or manganese minerals by redox methods.

    Real Production Challenges and Solutions

    Producing potassium metavanadate is not routine chemistry. Source vanadium stocks often contain transition metal traces or silica that arrest the clean reaction to KVO3. In our workshop, repeated dissolution, recrystallization, and careful decanting ensure a bright, pure yield. Early-morning shifts sometimes tackle feedstock with higher iron loads, requiring us to adjust reaction stoichiometry and acid-wash sequences. We keep operator notes and sensor logs on every run—sharing trends with plant engineers who flag deviations before major problems arise.

    Over time, buildup in reaction kettles or fillers forced us to redesign sections of our plant and adopt more robust cleaning schedules. High-throughput batches risk density layering, so we rotate drums mid-process to avoid striation. These measures, learned over years of hands-on manufacturing, help us deliver a uniform product for demanding end-uses in metallic paint, select catalysts, and specialty glass.

    Environmental and Safety Considerations from Experience

    Potassium metavanadate’s environmental profile differs from many industrial chemicals. As vanadium can be toxic in large doses, our team handles internal waste streams with dedicated collection and neutralization. All packing areas feature fume hoods and sealed waste chutes. Years in the field convinced us that low-dust powder minimizes risk for workers and downstream clients. Final product packaging uses moisture- and airtight bags in rigid drums, reducing waste and exposure.

    We support users with practical knowledge for spill control and neutralization, based on plant operations and local regulations. Our protocols address potential inhalation during bulk tipping and propose stepwise cleanup with minimal water use, reducing the chance for leaching or runoff. Training videos and site visits reinforce real-world handling, not just theory.

    Responding to Industry Shifts

    Global sourcing pressures require quick adaptation as demand spreads beyond pigments or steel alloying. The rise of vanadium flow batteries pulled more requests for high-purity potassium metavanadate, pushing us to refine purification and raise output consistency. We analyze feedback from battery start-ups and research labs, finding new ways to cut trace lead or arsenic below analytical detection. Our investment in in-house quality screening came directly from conversations with clients scaling up grid-storage projects.

    Laboratory clients expressed frustration with inconsistent solubility from other sources. Responding to their input, we focused on drying techniques and double-filtration to remove hygroscopic inclusions. As new reactor systems emerged in the specialty ceramics industry, customers sought higher temperature resistance and color uniformity—requirements only achievable by refining both batch purity and mixing speed on our lines.

    Our Perspective: Potassium Metavanadate as an Industry Backbone

    For generations, manufacturers have shaped color, reaction pathways, and material strength with potassium vanadate salts. Our role as direct producers lets us adapt to new industry targets and troubleshooting needs. Whether supporting industrial-scale catalyst manufacturing or small-batch pigment design, the conversation always starts with what works on the factory floor. By building close knowledge of how potassium metavanadate interacts with reagents under real process conditions, we help our partners avoid rework, waste, or failed batches.

    We base our methods on years of data plus direct operator expertise. Every process innovation—whether a better purification rinse, advanced drying, or moisture proof packaging—stems from witnessing changes in finished product performance when details shift upstream. Long-haul customers come back for the reliability and hands-on support that distributors cannot match. Our experience confirms that each batch of potassium metavanadate plays a key role in ensuring predictable results and success across industries ranging from advanced energy storage to specialty coatings.

    Looking Ahead with Confidence

    Potassium metavanadate production will continue adjusting to end-user needs as manufacturing processes evolve. We expect further growth in battery, ceramic, and glass applications. As regulations tighten around vanadium use, direct producers have a responsibility to ensure purity, safety, and full traceability—areas we treat as core business, not marketing promises.

    Our team maintains an ongoing dialogue with both returning and new clients. We see emerging requirements for even lower trace contaminants and higher solution clarity. These demands drive investments in both technology and skill building on our line. From raw material selection through to packaging, every step stays rooted in practical know-how and feedback from the field.

    Through it all, potassium metavanadate remains more than just a chemical commodity. It connects advanced science with tangible results—something we witness every day at our plant. This connection shapes our approach to both ongoing innovation and everyday production, ensuring customers receive practical solutions backed by real-world expertise. Our commitment stays constant: deliver pure, predictable potassium metavanadate, informed by the lessons and successes that only direct hands-on manufacturing can bring.