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Zinc Nitrate Hexahydrate

    • Product Name Zinc Nitrate Hexahydrate
    • Alias Zinc(II) nitrate hexahydrate
    • Einecs 231-943-8
    • 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
    VTB
    Specifications

    HS Code

    708509

    Chemical Name Zinc Nitrate Hexahydrate
    Chemical Formula Zn(NO3)2 · 6H2O
    Molecular Weight 297.49 g/mol
    Appearance Colorless crystalline solid
    Solubility In Water Very soluble
    Melting Point 36.4°C
    Density 2.065 g/cm³
    Odor Odorless
    Cas Number 10196-18-6
    Storage Conditions Store in a cool, dry place; keep container tightly closed

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

    Packing & Storage
    Packing 500g of Zinc Nitrate Hexahydrate is packaged in a tightly sealed, high-density polyethylene bottle with a clear hazard warning label.
    Shipping Zinc Nitrate Hexahydrate is shipped in tightly sealed containers to prevent moisture absorption and contamination. Packages are clearly labeled with hazard warnings due to its oxidizing properties. It should be stored and transported in a cool, ventilated area, away from flammable and combustible materials, in accordance with local and international regulations.
    Storage **Zinc Nitrate Hexahydrate** should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances like strong acids, bases, and combustible materials. Protect the chemical from moisture, heat sources, and direct sunlight. Proper labeling and segregation in a chemical storage cabinet—preferably away from organics and reducing agents—are recommended to ensure safety.
    Application of Zinc Nitrate Hexahydrate

    Applications of Zinc Nitrate Hexahydrate in Industrial Manufacturing

    As a direct manufacturer, we deliver Zinc Nitrate Hexahydrate to end-use sectors that depend on precise material performance and regulatory alignment. The following application scenarios reflect real-world downstream usage, each with distinct compliance profiles, formulation ranges, process stages, and finished goods.

    1. Catalyst Precursor for Polyethylene Production

    Major polymerization facilities use zinc nitrate hexahydrate as a catalyst precursor in the preparation of zinc-based catalysts for ethylene polymerization reactors. The additive supports catalyst dispersion and activity, impacting polymer chain formation and reaction yields. Plant engineers carefully monitor nitrate introduction timing to align with heated solvent systems and avoid catalyst fouling.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems – chemical manufacturing
    • REACH Regulation (EC) No 1907/2006 – Registration, Evaluation, Authorisation and Restriction of Chemicals (European Union)
    • Responsible Care® Global Charter – product stewardship in petrochemicals
    • ASTM D3900 – Standard Practices for Sampling and Sample Preparation of Catalyst Materials

    Typical usage ratio

    • 0.1–1.0% by weight in catalyst precursor slurries; plant operators adjust within this range based on ethylene throughput, desired catalyst activity, and solvent selection.

    Downstream process integration

    • Feed into catalyst precursor solution tanks before immobilization on silica or alumina supports; followed by thermal activation, washing, and drying prior to steel reactor charging.

    Final product types

    • Polyethylene pellets for film, molding, pipe, and packaging applications
    • Blended catalyst packages for advanced polymer process licensors

    2. Metal Surface Treatment in Galvanizing Plants

    Manufacturers of galvanized steel and wire utilize zinc nitrate hexahydrate for passivation baths that form anti-corrosion conversion layers. The nitrate content ensures uniform oxide formation, reducing white rust formation during coil storage and export. Application engineers frequently program bath concentrations relative to zinc coating thickness and ambient process temperatures.

    Industry compliance standards

    • ISO 2063-1:2017 – Thermal Spraying – Zinc, Aluminium and Their Alloys
    • RoHS Directive 2011/65/EU – Restriction of Hazardous Substances in Electrical and Electronic Equipment
    • EN 10346:2015 – Continuously Hot-Dip Coated Steel Flat Products
    • ANSI/NAAMM AMP 500-506 – Metal Finishes Manual

    Typical usage ratio

    • 5–20 g/L in passivation immersion baths; concentration chosen based on required film thickness and post-dip rinsing parameters.

    Downstream process integration

    • Added to final passivation bath after zinc plating/wire drawing, prior to air drying and anti-fingerprint packaging; real-time monitoring of nitrate level is standard for batch consistency.

    Final product types

    • Galvanized steel sheet for roofing, automotive, and appliance manufacture
    • Zinc-coated wire for fencing, cable armoring, and fastener markets

    3. Raw Material for Synthesis of Specialty Zinc Oxide

    Specialty ceramics and powder metallurgy segments dissolve zinc nitrate hexahydrate for controlled precipitation or thermal decomposition routes to high-purity nano zinc oxide. This upstream input enables particle morphology engineering and doping with minor cations for electronic ceramics and varistor applications.

    Industry compliance standards

    • ISO 9001:2015 – Quality Management for advanced ceramics
    • IEC 60747 – Semiconductor Devices (zinc oxide used in varistors)
    • ASTM E1621 – Guide for Elemental Analysis of Metals and Ores by Inductively Coupled Plasma Atomic Emission Spectrometry
    • JIS R 6011 – Test Methods for Zinc Oxide

    Typical usage ratio

    • Zinc nitrate input calculated to deliver 0.2–1.0 mol/L Zn²⁺ in precursor solutions; final use adjusted according to particle size distribution and target application (electronic grade vs pigment grade).

    Downstream process integration

    • Fed to precipitation reactors, spray pyrolysis chambers, or thermal decomposition ovens; filtration, washing, and calcination complete zinc oxide powder refining.

    Final product types

    • High-purity zinc oxide powders for varistors, surge arresters, and multilayer ceramic capacitors (MLCCs)
    • Fine zinc oxide for advanced UV protection coatings and catalysts

    4. Precursor in Explosives and Pyrotechnics Manufacturing

    Industrial explosives and pyrotechnics factories employ zinc nitrate hexahydrate as an oxidizing agent to enhance combustion efficiency and stability in certain specialty compositions. Formulation chemists rely on its solubility for blending with combustible matrices, influencing ignition temperature and smoke properties for both mining charges and consumer pyrotechnic devices.

    Industry compliance standards

    • UN Recommendations on the Transport of Dangerous Goods (UN Model Regulations)
    • U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) – Explosives Manufacturing Standards
    • EN 14035 – Pyrotechnic Articles: Safety and Performance Requirements
    • REACH Annex XVII, Entry 47 – Restrictions on Nitrates in Explosive Mixtures

    Typical usage ratio

    • 3–15% by weight in specific oxidizer blends; formula varies with burn rate needs, humidity control, and end-use sensitivity.

    Downstream process integration

    • Blended directly with fine powdered fuels in dispersion mixers or wetted granulation setups; followed by pressing, extrusion, or coating depots as appropriate to the device design.

    Final product types

    • Initiator charge in detonators and delay elements
    • Colored smoke bombs, signal flares, and low-emission pyrotechnic devices

    5. Textile Fiber Mordant in Dyeing Houses

    Textile dyeing operations incorporate zinc nitrate hexahydrate as a mordant to fix synthetic and protein-based dyes onto fabric substrates, particularly for chemical-resistant colorfastness in specialty textiles. Operators tailor dosing and pH adjustment to maximize dye-metal complexation and resist subsequent industrial laundering.

    Industry compliance standards

    • OEKO-TEX® Standard 100 – Testing for Harmful Substances in Textiles
    • ZDHC Manufacturing Restricted Substances List (MRSL)
    • ISO 105-C06:2010 – Colour Fastness to Washing
    • REACH Regulation (EC) No 1907/2006 – Restricted Substances in Textile Dyeing

    Typical usage ratio

    • 0.5–3 g/L in aqueous mordanting baths, adjusted according to fabric weight, dye class, and desired washfastness rating.

    Downstream process integration

    • Added during pre-dye or post-dye treatment stages, with careful temperature and agitation control to ensure uniform mordant distribution and minimal metal leaching in rinse waters.

    Final product types

    • Chemically resistant workwear, technical textiles, and specialty upholstery fabrics
    • High fastness dyed yarns for carpet and contract textile industries

    6. Analytical Reagent Supply for Water Quality Laboratories

    Analytical and environmental laboratories require zinc nitrate hexahydrate for standardized solution preparation, trace metal determinations, and as a reference in colorimetric testing protocols. Quality managers verify lot-specific purity and ion balance according to calibration SOPs and regulatory audit trails.

    Industry compliance standards

    • ISO/IEC 17025:2017 – General Requirements for the Competence of Testing and Calibration Laboratories
    • EPA Method 200.7 – Determination of Metals and Trace Elements in Water by ICP-AES
    • Standard Methods for the Examination of Water and Wastewater (APHA, AWWA, WEF)
    • GLP (Good Laboratory Practice) Guidelines (21 CFR Part 58)

    Typical usage ratio

    • Used to prepare standard solutions of 1–1000 mg/L Zn²⁺ for calibration or spiking; concentration depends on instrument sensitivity and analyte range of interest.

    Downstream process integration

    • Dissolved according to QC-validated SOPs; applied in titration, colorimetric, or atomic absorption spectrometry workflows, with retention samples kept for audit reanalysis.

    Final product types

    • Certified reference solutions
    • Water and wastewater analysis kits
    • Instrument calibration standards for environmental assessment labs
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    Certification & Compliance
    More Introduction

    Zinc Nitrate Hexahydrate: Reliable Sourcing Direct from the Producer

    Our Experience with Zinc Nitrate Hexahydrate Production

    Building dependable supplies of zinc compounds has defined our journey. Among them, Zinc Nitrate Hexahydrate (Zn(NO3)2·6H2O) holds a special place in our facility. Our operation doesn’t rest on intermediaries; we run the reactors, we control every phase from raw materials to finished product. This allows us to maintain real traceability and ensure stability from drum to drum, shipment to shipment. Over several decades, feedback from customers in hydrometallurgy, catalysts, ceramics, and surface treatment shaped the way we approach quality and consistency.

    Our approach involves choosing zinc metal with controlled trace metal content, keeping strict limits on impurities such as lead, cadmium, and copper – not just because standards require it, but because those elements mess with sensitive downstream uses. Throughout the process, every change in temperature and mixing speed impacts crystal formation. Years of iterative tweaking led us to parameters that avoid caking in storage and clumping during shipment. Our product comes as colorless monoclinic crystals, often delivered in moisture-resistant packaging, so customers receive a material they can weigh and dissolve without surprises.

    The Needs Driving Zinc Nitrate Hexahydrate Use

    Each field using zinc nitrate points to a different reason for choosing this material over other zinc salts. In dye manufacturing, controlled reactivity in solution limits precipitate formation and gives better color yield. For specialty glass and ceramic producers, trace impurities hurt clarity, so our customers expect a crystal-clear product that doesn’t leave residue after decomposition. Electroplating customers care most about predictable solubility and exact titration values, so we keep purity specifications tight.

    On the research side, universities and R&D centers often seek a starting material for fabricating catalysts, advanced electronic devices, or even novel nanomaterials. Their requests for certificates of analysis don’t stop at zinc and nitrate; often they want element-by-element breakdowns, and even batch-to-batch crystal size analysis. Since we manufacture from the ground up, we’re able to provide that documentation and open our lab logs to auditors, giving researchers confidence in their inputs.

    Specifications that Actually Matter in Real-World Production

    Far from a one-spec-fits-all material, zinc nitrate hexahydrate’s performance in your process can depend on many small details. Most buyers pay attention to zinc content and nitrate levels, but in our experience, performance in downstream applications often hinges on subtle factors like crystal size, flow behavior, and trace contaminants. In glass production, even a fraction of a percent deviation in Fe or Mn content can tint the final product. Catalysts for the petrochemical industry can fail completely if a lot contains unexpected organic impurities or elevated sodium.

    With years spent solving problems for major and small manufacturers alike, we structure our production steps specifically so contaminants don’t sneak into critical points in the process. Every lot passes a battery of wet-chemical and spectroscopic tests before packaging, so OEMs and SMEs alike avoid downtime and rework due to material quality. Customers have shown us everything from tightly packed granules to lumped and caked crystals from other producers causing loss, proving that trusting a direct manufacturer for stability means fewer headaches later.

    Comparing Zinc Nitrate Hexahydrate to Other Zinc Products

    Never all zinc compounds interchange perfectly in industrial processing. We regularly field questions comparing zinc nitrate hexahydrate with zinc sulfate, zinc acetate, and zinc chloride. Each has unique features but also limits.

    Zinc sulfate excels in fertilizer production due to lower cost, but when nitrates are needed in specialty syntheses or as oxidizing agents, sulfate won’t serve. Zinc acetate dissolves swiftly but brings in extra organic content that might foul up electronic ceramics. With zinc nitrate hexahydrate, you get strong oxidizing power in solution, high solubility in water, and predictable decomposition to the oxide above 125°C, releasing only gases and leaving minimal residue. That fits battery materials, high-purity ceramics, and catalyst fabrication much better than alternatives do.

    Bulk buyers sometimes look at zinc nitrate solution instead of the crystalline hexahydrate, expecting easy dosing. Over the years, we noticed that dry hexahydrate always gives longer shelf life and is easier to ship, especially where transport restrictions limit high-nitrate solutions due to regulatory factors. On-site dissolution of our hexahydrate crystals allows total control and avoids density drift that tends to happen in solutions stored longer than a few weeks.

    Serving a Broad Range of Industrial and Research Applications

    Industries such as textile dyeing, photographic film production, and surface treatment benefit most from hexahydrate’s reliable solubility. The product plays a handy role as a mordant in printing and dyeing, helping bind dye molecules for deeper and more lasting colors. Photographic companies need the cleanest grade with the lowest possible organic background — that’s why we take such pains running carbon and UV tests during QC, not just routine gravimetric checks.

    In ceramic and glass production, zinc nitrate hexahydrate provides zinc source material that disperses evenly in slip casting, and when heated, decomposes fully, leaving just zinc oxide. This matters in transparent or high-performance glass, where every ppm of trace impurity becomes visible as haze or color shift.

    Corrosion inhibitors, flame retardant formulations, and water treatment agents call for zinc nitrate when an oxidizing environment is required or specific pH control matters. These end users demand more than minimum assay — they need predictable rates of reaction and the lowest trace metals. Our reactors and purification lines keep these values consistent, which feedback from each segment helps us adjust as quality expectations climb each year.

    Why Direct Manufacturing Control Makes a Difference

    Firms buying from direct producers see past generic products and appreciate the value in transparency, laboratory support, and flexibility. We have faced our share of surprises when new standards, like stricter REACH and RoHS guidelines, shifted the required impurity profiles for industrial chemicals. By running our own reactors and quality labs, we shift process variables quickly and trace root causes to a back batch, which stops the mistakes becoming future headaches for customers.

    We also hear from clients working on new applications who struggle with supply chains when middlemen can’t answer basic questions. Usually, scientists want to know exactly how each step is performed and whether the same protocol runs from month to month. By reporting our production steps down to filter mesh size and water purity, we help clients scale from lab to pilot, then to full production, without the swap-outs and recalibration cycles caused by off-spec supplies.

    Storage, Handling, and Safety: Practical Guidance from Years in the Field

    Long-term stability matters in bulk storage. Over time, we noticed that atmospheric humidity can pull moisture into bags if packaging isn’t robust enough. To deal with this, we developed multi-layer packaging and include desiccant pouches for higher humidity regions. We recommend keeping drums in dry, ventilated warehouses and stress that resealing must be airtight to avoid water pickup.

    The nitrate ion brings oxidizing properties, so mixing with organic materials or reducing agents poses fire or decomposition risks. Each year, we walk buyer safety teams through optimal warehouse layout and provide actual incident data, not just MSDS sheets. These practical steps, developed over years of incident-free operation, let our partners avoid regulatory troubles and ensure staff stay safe. We pay attention to regulatory changes so our SDS, labeling, and transport documents always meet the latest national and international requirements.

    Sustainability and Responsible Manufacturing

    Operating a large chemical production site brings responsibility. Zinc nitrate solutions have high oxygen demand and can’t go to drain unchecked, so we invested in closed-loop systems to recover both the zinc and nitrate content from process rinse waters and mother liquors. By reducing waste outfalls, we meet tightening local and international standards, from wastewater to workplace safety. Our continuous improvements in waste recovery technology reflect how our customers care about sustainable sourcing and have asked us to verify our practices — which we’re always happy to do during customer audits.

    A rising number of customers now insist on full supply chain transparency. Manufacturing everything in-house allows us to trace every ton back to raw zinc sources, including full documentation of sourcing and conflict mineral declarations. Repeated audits and customer site visits push us to improve both energy use per ton and environmental footprint each year. That trust comes from our willingness to open our floor and our logs to outside scrutiny, building partnerships that last through market swings.

    Meeting Market Changes and New Demands

    The global specialty chemical market never stands still. End users change specifications as products move from batch scale to mass production, and increasingly strict quality expectations challenge established supply practices. We maintain R&D partnerships with academic groups and downstream industrial giants so we see new requirements as they emerge — and we adapt the production floor, rather than scrambling for new sources.

    For battery producers and advanced ceramics, batch-to-batch consistency in trace elements stands out as a key requirement. Several years back, one lead customer developing zinc-based flow batteries needed guaranteed limits on sodium and calcium, both of which can impact performance. We worked together to change purification steps and developed improved product lines specifically matching these needs. Our commitment to true customization only happens because we own and operate every step from raw shipments, through reaction and crystallization, to final QC.

    Why Real-World Knowledge Outshines Standardized Information

    Most product data sheets only skim the surface: zinc content and nitrate assay, crystal habit, bulk packing density, standard impurity ceilings. After working hand in hand with end users who found off-color batches, sticky crystals, or unexpected residues, we learned that actual usability depends on more. We keep photo records of every lot for reference, test flowing and pouring behavior, and retrace lab findings back to both team and machinery. In practice, this helped one customer cut labor costs by a third because our product flows cleanly into feed hoppers without periodic breaks to clear bridges and clogs.

    Quality in specialty chemicals relies on listening and adapting, not on overselling standardization. We built procedures around the kinds of complaints or requests that generic traders just pass back up the chain. No two applications rely on the identical combination of physical and chemical features, so we keep adjusting. If a hydrometallurgy firm needs tighter impurity control for copper, we shift focus in our quality plan; when an advanced ceramics maker explains trouble calcining to pure zinc oxide without residual carbon, we issue a new step to optimize washing and filtration. That adaptability, born from hands-on production and customer partnership, anchors how we support innovative customers scaling new heights.

    Future Directions and Shared Innovation

    We face mounting pressure from industry, regulators, and the scientific community to make specialty chemicals both cleaner and smarter. Zinc nitrate hexahydrate serves today’s needs, but we’re asked every year to test variants: lower residual moisture for dry blends, microgranulated formats for feeding into continuous reactors, or tailored impurity profiles tightly matched to new green technologies. Our technical specialists and production managers work side by side with our customers’ engineers in these projects, supporting tests and adjustments all the way to commercial roll-out.

    Direct manufacturing means every innovation feeds straight into our supply — no disconnected feedback loops. By keeping lines of communication open, showing full process data, and acting on both failures and successes, we’ve built relationships grounded in mutual benefit and trust. For every ton we send out, we back it with a team who knows what went into every drum and can stand behind each shipment.

    Why Choosing Us Means More Than Picking a Product from a Catalog

    Anyone can order zinc nitrate hexahydrate by the bag or drum, but only direct producers support their product with facts, experience, and a willingness to solve problems. We encourage all prospects to ask for data, tours, and random sample tests. Decades making, not trading, zinc nitrate hexahydrate proved that producing the right product involves more than hitting a checklist: it’s a daily, iterative process shaped by feedback, care, and pride in our work. We welcome industry partners, academic innovators, and anyone committed to progress to visit, audit, and work alongside our team.