Tianjin Soda Plant
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Zinc Selenite

    • Product Name:Zinc Selenite
    • Chemical Name (IUPAC):Zinc selenite
    • CAS No.:13597-46-1
    • Chemical Formula:ZnSeO3
    • Form/Physical State:Solid
    • Factroy Site:No.3369 Bohai 10th Road,Lingang Economic Zone,Binhai New Area,Tianjin City,China
    • Price Inquiry:sales2@liwei-chem.com
    • Manufacturer:Tianjin Soda Plant
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    Specifications

    HS Code

    711942

    Chemical NameZinc Selenite
    Chemical FormulaZnSeO3
    Molecular Weight174.34 g/mol
    AppearanceWhite crystalline powder
    Solubility In WaterSlightly soluble
    Melting PointDecomposes before melting
    Density4.44 g/cm³
    Cas Number13597-46-1
    Pubchem Cid159402
    Storage ConditionsStore in a cool,dry place,tightly closed
    Hazard ClassificationIrritant
    GradeLaboratory grade
    UsesChemical research

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

    Packing &Storage
    PackingZinc Selenite,100g,is packaged in a sealed,amber glass bottle with a tamper-evident cap and clear hazard labeling.
    Container Loading (20′ FCL)20′ FCL container loads approximately 18-20 metric tons of Zinc Selenite,securely packed in drums or bags,suitable for export.
    ShippingZinc Selenite should be shipped in tightly sealed containers,protected from physical damage and moisture. Label clearly as hazardous,and handle with care to prevent inhalation or contact. Transport according to local,national,and international regulations for hazardous chemicals,ensuring compatibility with other shipped materials and compliance with safety guidelines.
    StorageZinc Selenite should be stored in a tightly sealed container in a cool,dry,and well-ventilated area,away from moisture,incompatible substances,acids,and reducing agents. Keep it protected from physical damage and sources of ignition. Properly label the storage container and restrict access to authorized personnel only. Handle with suitable protective equipment and follow all relevant safety regulations.
    Shelf LifeZinc selenite has a shelf life of around 2-5 years if stored in tightly sealed containers,away from moisture and light.
    Application of Zinc Selenite

    Purity 99.5%:Zinc Selenite with 99.5% purity is used in advanced ceramic manufacturing,where it ensures enhanced structural integrity and optimal dielectric properties.

    Particle size <5 µm:Zinc Selenite with particle size less than 5 µm is used in pigment formulations,where it provides uniform color dispersion and improved opacity.

    Stability temperature 320°C:Zinc Selenite with a stability temperature of 320°C is used in glass production,where it maintains thermal consistency and prevents phase decomposition.

    Melting point 680°C:Zinc Selenite with a melting point of 680°C is used in metallurgical fluxes,where it facilitates efficient alloy refining and slag removal.

    Molecular weight 192.35 g/mol:Zinc Selenite with molecular weight 192.35 g/mol is used in chemical synthesis processes,where it delivers precise stoichiometric control and high conversion efficiency.

    Solubility 0.025 g/100 mL (H2O,20°C):Zinc Selenite with solubility of 0.025 g/100 mL in water at 20°C is used in analytical reagent preparation,where it allows accurate titration calibration and consistency.

    Viscosity grade low:Zinc Selenite of low viscosity grade is used in slurry applications for coating technologies,where it promotes even application and reduces processing time.

    Bulk density 2.9 g/cm³:Zinc Selenite with bulk density of 2.9 g/cm³ is used in optoelectronic device fabrication,where it enhances layer uniformity and device reliability.

    pH (5% solution) 7.4:Zinc Selenite at pH 7.4 (5% solution) is used in biochemical assays,where it provides optimal reaction environments and minimizes side reactions.

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    Certification &Compliance
    More Introduction

    Zinc Selenite:Dependable Performance Rooted in Chemistry

    At the core of our chemical line,Zinc Selenite stands out because of the trust built through decades of hands-on production and real-world application. Manufactured in controlled,closed-loop systems,the consistency batch-to-batch is not a claim;it is something we check,measure,and record with every shift. Our team has handled the nuances of synthesizing Zinc Selenite,understanding not only its crystal structure,but what choices in our process actually matter to downstream users. Working with raw selenium and zinc compounds on a large scale introduces real safety and reactivity challenges—our plant workers know this firsthand,and every drum shipped has already passed the scrutiny of experienced eyes,not just analytical instruments.

    Model and Purity Beyond Laboratory Claims

    We offer Zinc Selenite in an industrial-grade hydrated form with a typical purity above 99%. Chemically,each batch is produced with hydrometallurgical controls from high-grade zinc oxide and elemental selenium,using refined process water to keep extraneous ions below strict limits. Our current standardized model is a fine white powder,usually ranging from 325 to 800 mesh,letting our partners add it directly into their own operations without need for extra milling or pre-treatment. Every order comes with a full lot analysis,but most of our customers keep coming back because they know the visible difference—they can see,feel,and use it with confidence.

    Other forms of zinc selenium compounds do exist,such as Zinc Selenide or Zinc Selenate,but the selenite form serves a niche where controlled release,solubility,and bioavailability really matter. Different methods of production can leave trace byproducts;poorly-controlled synthesis can raise sulfate or chlorate residues that throw off sensitive formulations. We have invested in precise filtration and precipitation steps,followed by thorough washing and drying regimes. These steps demand both technical know-how and the discipline to repeat excellence daily.

    Applications Built by End-User Demands

    Our relationships with several established glass manufacturers led us to recognize the key role Zinc Selenite plays in decolorizing glass and specialized pigment production. Glass manufacturers have tough requirements:off-color batches waste hours of production,and unpredictable minor constituents can cause surface crazing or structural weaknesses in specialty glass. By working closely with furnace operators,we adjusted the drying curve during the selenite production,which limits water content below 1% and assures easy integration with molten glass without spattering or false coloring. Realizing how vital repeatable color correction is in these operations gave us the feedback required to refine our product standards over years,long before laboratory testing could flag all the subtle issues.

    In ceramics,Zinc Selenite plays a dual role as both a flux and a colorant,particularly in producing gentle pink hues and stabilizing red glazes. Ceramists need a product that can disperse thoroughly in their base glazes—lumpiness or hydration variance can cause local over-firing. Our manufacturing method aims for a fine particle size and low loss on ignition. Unlike some imports that carry inconsistent particle sizing or off-odors from unreacted selenium,customers using our material tell us about clean,even-fired finishes time after time.

    Outside these visual arts,Zinc Selenite’s use in micronutrient blends for animal feed has grown quietly. Trace selenium is required for animal health,but both deficiency and excess pose challenges. Unlike selenate or organically-bound selenium,Zinc Selenite offers moderate bioavailability. Feed supplement formulators want a compound that resists over-rapid dissolution and supplies selenium at a pace animals can process safely. Over the years,we’ve fine-tuned the balance between solubility and stability by controlling moisture percentage and aggregate size. Our customers in animal nutrition have reported fewer handling issues and more confidence when blending at scale,compared to earlier supply options.

    Quality from the Source,Not Only on Paper

    There’s no shortcut to reliable chemical manufacturing. Customers remember the time we caught a minor zinc oxide impurity before shipping to a specialty pigment producer—the entire batch would have risked unpredictable color changes. Our own staff know the smell and texture of Zinc Selenite that’s been dried perfectly,and the subtle cues of a batch that has spent too long in the granulation drum. These details never show up in a typical certificate of analysis,but they save end-users hours (or even days) of troubleshooting and adjustment.

    Some producers source selenium from recycled electronic waste or low-grade mineral concentrates,which adds a layer of risk for trace metallic contamination. By sticking to high-purity primary selenium and zinc inputs,and by running regular ICP-MS checks for unwanted elements,our product history stays clean. We have encountered requests for “extra bright” or “off-white” grades in glassmaking,pushing us to tweak drying and filtration again. Sometimes these changes take several cycles to perfect,but the willingness to pursue feedback differentiates real producers from intermediaries who simply relay specifications from one party to another.

    Comparisons to Other Zinc Selenium Compounds

    Zinc Selenite differs from Zinc Selenate by its lower oxidation state,which alters how it dissolves and interacts with other substances. Feed manufacturers have raised concerns about selenate’s rapid dissolution and higher toxicity risk at scale;with selenite,the controlled release fits more cautious nutritional programs. Zinc Selenide,on the other hand,brings very different chemical and physical characteristics—it’s insoluble and useful primarily in infra-red optics,not in the fields our customers depend on. Over the years,companies have tried cutting costs by contaminating selenite with sulfate or using mixed zinc salts to stretch a batch. Experience shows that these shortcuts lead to performance complaints and failed process runs,especially in sensitive pigment or glass applications.

    Our customers in animal nutrition,ceramics,and technical glass demand a selenite that acts the same batch after batch. By focusing on selenite instead of other selenium compounds,we have streamlined our purification processes to emphasize clarity in both appearance and solubility profile. In the early days,we had to adapt our processes in real-time,reacting to feedback from glassmakers whose color outcomes revealed details no analytical machine could catch. This back-and-forth has honed the current product:stable,reproducible,and free from the off-odors or color tints that mark poorly controlled manufacturing.

    Practical Handling Insights from Years of Production

    Unlike theoretical write-ups,daily plant operations have shown us that Zinc Selenite’s moderate solubility actually protects both workers and downstream users. Selenite dust can pose inhalation risks—tight dust control,physical isolation of drying zones,and training sessions focused on real-world experience reduce incidents and limit exposure. By producing consistent,low-dust powders,we have lowered risks for everyone down the line. Over the years,safety has led process improvements. For example,hydration levels directly affect both handling and storage—early batches occasionally showed mild caking after storage in humid regions,so we altered both packaging material and in-plant humidity control to extend storage life.

    Precision in drying and milling has also helped with automated dosing in bulk feed and ceramic operations. Feed mills and color shops need predictable flow—progress with air-knife sieving and improved drum drying on-site came about because customers shared problems blending our earlier grades. Every operator on our line has seen firsthand how a few percentage points of water can cause major headaches downstream,especially in climate zones with wide humidity swings. Addressing these practical issues resulted in a robust supply chain,where producers—and not just lab technicians—can trust what arrives at their dock each order.

    Environmental and Regulatory Considerations in Modern Production

    Handling selenium and zinc on a large scale prompts careful process and waste decisions. The toxicity and environmental persistence of selenium compounds require tight recapture and waste management standards. We invested in emission scrubbers,closed water recycling loops,and solid waste stabilization long before expansion to current volumes. These aren’t just headline environmental commitments—they’re now routine,tested daily by our own team and periodically confirmed by third-party labs.

    Our understanding of local and international regulations doesn’t come from checklists,but from the work of keeping production steady through evolving requirements. For instance,some years ago,new rules on allowable trace metals in animal feed led us to upgrade the purity of both the selenium and the zinc supply chain. Over time,similar pressures in glass pigment and electronics markets forced tighter lot documentation,chain-of-custody controls,and batch-to-batch sampling. Failing to adapt means product rejections and lost business. This first-hand experience means we take pride in making Zinc Selenite to meet not only our current standards,but to adjust swiftly when regulations tighten or customer priorities evolve.

    Why Our Zinc Selenite Continues to Lead

    Growing Zinc Selenite production from a small operation to the current scale took more than tweaks in chemical engineering. Real progress came through years of collaboration between our plant technicians,customers’ process engineers,and feedback loops built from hands-on troubleshooting. Every batch ships with documentation,but the most useful knowledge comes from regular conversations with users at end-sites. We hear directly about improvement ideas,and we stay open to critique.

    Zinc Selenite’s versatility comes from its chemical nature,but the reliability customers describe develops from operational discipline. We calibrate mills and drying ovens daily,sample finished goods from every single lot,then double-check against past production for trends. Over time,these habits shape not just the quality of the selenite,but the confidence our partners extend to us season after season. Trust grows because our team stands behind each shipment—we’ve lived through the rare failed batch,found root causes,and made adjustments.

    Shifting Market Demands and Looking Forward

    Whether responding to surging glass production or the rising trace mineral needs in feed,our Zinc Selenite plant runs at the pace set by these industries,not by generic market reports. During times of volatile raw selenium costs or tight zinc markets,we make decisions transparently,explaining surcharges and supply warnings before they hit customers. Maintaining balanced inventory between animal nutrition,pigments,and ceramics is not simple—seasonal swings in demand and regulatory updates never wait for plant downtime. Our logistics and production planners work directly with partner companies,which means adjustments happen in days,not quarters.

    Steady shifts toward higher environmental standards in Asia and Europe have required changes in packaging,documentation,and traceability. Customers now want reassurance about both supply safety and upstream sourcing. By sticking to carefully-selected raw materials and by updating our in-plant documentation formats,we keep up with increasingly tight audit requirements. It hasn’t always been easy,but addressing these market forces together with partners,rather than against them,means greater stability for all involved.

    Lessons Only Producers Learn

    The daily challenge with Zinc Selenite production sits in details:the moment a batch turns chalky instead of bright,the hint of an off-odor that betrays a reactor leak,a day when an operator’s careful extra filter swap saves a pallet from off-grade. Over time,these lessons from the plant floor teach that lasting quality and partnership are grounded in discipline and direct feedback.

    Each drum of our Zinc Selenite carries years of refinement:tweaks in washing procedures,investment in better pumps,even simple fixes like switching to lined totes to stop moisture ingress. Most customers never see these steps. Still,their benefits echo downstream,realized in smoother pigment batches,steadier feed dosing,and ceramics that fire on tone every time.

    For us as manufacturers,Zinc Selenite represents not just a chemical,but a story of evolving with our customers—listening for problems,investing in actionable solutions,and building trust that doesn’t come from a label or certificate. Each improvement comes from experience:from people on the plant floor and from those blending,coloring,and feeding at the production line. In every sense,Zinc Selenite is more than a product—it’s a craft,carried forward by the effort and detail only a producer truly understands.