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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 | 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. |
Applications of Potassium Metavanadate in Industrial ManufacturingPotassium 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 AdditiveSteelmakers 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
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2. Heterogeneous Catalyst Preparation for Chemical SynthesisChemical 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
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3. Ceramics and Glass Colorant ManufacturingAdvanced 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
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4. Electrochemical Energy Storage MaterialsManufacturers 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
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5. Analytical Reagents for Laboratory and Quality Control UseLaboratory 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
Typical usage ratio
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.