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Sodium Cyanide

    • Product Name Sodium Cyanide
    • Alias sodium-cyanide
    • Einecs 205-599-4
    • 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

    611736

    Chemicalname Sodium Cyanide
    Chemicalformula NaCN
    Molarmass 49.01 g/mol
    Appearance White crystalline solid
    Odor Faint almond-like odor
    Meltingpoint 563.7 °C
    Boilingpoint Decomposes before boiling
    Solubilityinwater 48.2 g/100 mL (20 °C)
    Density 1.596 g/cm³
    Casnumber 143-33-9

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

    Packing & Storage
    Packing Sodium Cyanide is packaged in heavy-duty, sealed 50 kg steel drums with hazard labels, moisture protection, and secure closures for transport.
    Shipping Sodium cyanide must be shipped in tightly sealed, corrosion-resistant containers, clearly labeled as toxic and hazardous. Transportation follows strict regulations for dangerous goods, often requiring UN-approved packaging. It should be kept dry, away from acids and foodstuffs, with proper documentation, emergency instructions, and handled only by trained personnel.
    Storage Sodium cyanide should be stored in a cool, dry, well-ventilated area away from acids, oxidizers, moisture, and incompatible substances. Containers must be tightly sealed, clearly labeled, corrosion-resistant, and kept off the floor. Strict security and restricted access are essential, as it is highly toxic. Emergency spill kits and proper signage should be readily available near the storage area.
    Application of Sodium Cyanide

    Applications of Sodium Cyanide in Industrial Manufacturing

    Sodium cyanide plays a critical role in various heavy industry sectors due to its reactive properties and efficiency in extraction and synthesis. Our manufacturing experience supports downstream enterprises with high-quality sodium cyanide designed for controlled, consistent integration into specialized processes. Below we detail the practical, regulatory, and formulation perspectives for its main industrial applications.

    1. Precious Metal Mining (Gold and Silver Leaching)

    Ore processors rely on sodium cyanide for hydrometallurgical extraction of gold and silver via the cyanidation process. The chemical’s high reactivity supports efficient recovery from low-grade ores while adhering to rigorous environmental and occupational safety controls throughout solution preparation, leach circuit dosing, and tailings detoxification.

    Industry compliance standards

    • International Cyanide Management Code (ICMC)
    • ISO 14001 Environmental Management Systems
    • OSHA 1910.1200 Hazard Communication Standard (for worker safety)
    • Local governmental environmental discharge regulations

    Typical usage ratio

    • 0.02%–0.05% by weight of ore slurry in the leaching circuit. Operators adjust concentration according to ore cyanide consumption, dissolution kinetics, and sediment content.

    Downstream process integration

    • Direct addition into agitated leach tanks during the slurry preparation stage for rapid dissolution and immediate contact with crushed ore.

    Final product types

    • Dore bars (gold-silver alloy ingots)
    • Electrorefined pure gold or silver bullion
    • Gold/silver powder

    2. Chemical Intermediate Synthesis (Organic & Inorganic Chemicals)

    Producers of specialty chemicals use sodium cyanide as a fundamental reagent for the synthesis of organic nitriles and intermediates such as adiponitrile, essential in polymer manufacture. Control of reaction parameters and trace impurity levels is critical for meeting downstream specification requirements, and the raw material typically enters closed-system reactors under tightly controlled operating permits.

    Industry compliance standards

    • REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals, EU)
    • ISO 9001 Quality Management System
    • Responsible Care Management System
    • National Poison Control Regulations (handling and storage)

    Typical usage ratio

    • Stoichiometric ratios from 1.05:1 to 1.1:1 sodium cyanide to substrate, depending on conversion yields and residual impurity control.

    Downstream process integration

    • Metered dosing into batch or continuous stirred-tank reactors for nucleophilic substitution or addition reactions leading to nitrile or isocyanide formation.

    Final product types

    • Adiponitrile (for nylon-6,6 synthesis)
    • Acetonitrile (solvent for pharmaceuticals and labs)
    • Methyl isocyanide (fine chemicals intermediate)
    • Sodium ferrocyanide (anti-caking agent for salt industry)

    3. Surface Treatment in Metal Finishing (Electroplating & Case Hardening)

    Metal components manufacturers apply cyanide-based solutions for uniform electroplating and controlled case hardening. The precise addition of sodium cyanide ensures bright and stable metal electrodeposition as well as deep carburized case layers, while adherence to occupational exposure and effluent treatment limits is strictly managed during formulation, plating, and post-treatment bath handling.

    Industry compliance standards

    • ASTM B322 Standard Practice for Cleaning Metals Prior to Electroplating
    • ISO 12683 Metallic and other inorganic coatings – Nickel and copper/nickel – Electroplated coatings on plastics
    • RCRA (Resource Conservation and Recovery Act, US) for cyanide waste disposal
    • Directive 2010/75/EU (Industrial Emissions Directive, EU)

    Typical usage ratio

    • Electroplating baths: typically 10–60 g/L, varied according to metal, part geometry, and deposition rate requirements.
    • Case hardening baths: typically 2%–6% by weight, adjusted for workpiece carbon penetration depth and bath turnover cycles.

    Downstream process integration

    • Weighing and dissolving in make-up baths prior to loading workpieces for electroplating or carburizing operations; real-time pH and cyanide concentration checks ensure process stability and final quality.

    Final product types

    • Decorative and protective electroplated jewelry
    • Precision electrical contacts
    • Automotive gears and shafts with hardened surfaces
    • Machinery fasteners

    4. Specialty Agrochemical Manufacturing (Fumigants and Pesticide Precursors)

    Agrochemical formulators use sodium cyanide in the synthesis of select fumigant and rodenticide precursors. Handling protocols demand stringent compliance with chemical safety and environmental protections throughout raw material blending, closed reaction systems operation, and residual cyanide destruction before downstream formulation into commercial products.

    Industry compliance standards

    • FAO/WHO International Code of Conduct on Pesticide Management
    • OECD Principles of Good Laboratory Practice (GLP)
    • GHS (Globally Harmonized System of Classification and Labelling of Chemicals)
    • National agrochemical registration and residue limit controls (e.g., EPA, EU Regulation 1107/2009)

    Typical usage ratio

    • 1.1–1.2 molar equivalents for targeted synthesis; adjustments based on downstream purity and yield optimization in batch or continuous setups.

    Downstream process integration

    • Charged into glass-lined or stainless-steel reactors during precursor synthesis; neutralization and washing steps follow to control active cyanide levels before final product formulation or packaging.

    Final product types

    • Hydrogen cyanide-based fumigants (for grain/cereal pest control)
    • Rodenticide blocks/tablets (phosphide-free cyanogen-type)
    • Synthetic intermediates for restricted agricultural applications
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    Certification & Compliance
    More Introduction

    Sodium Cyanide: A Manufacturer’s Perspective on Our Essential Leaching Agent

    Real-World Experience Drives Quality and Consistency

    We have spent decades perfecting the production of sodium cyanide. Each year brings new challenges in sourcing, processing, and handling this reagent. Some years, feedstock purity shifts. Sometimes, the price of caustic soda spikes, or shipping lanes stall. That experience has shaped our quality control, informing the decisions on how we design and monitor every batch. We produce sodium cyanide both as briquettes and as a solid powder. Customers in gold mining tend to go for our 98% minimum purity solid. No guesswork goes into it: routine lab checks, process audits, and full supply chain visibility. Even after all that, nothing replaces a boots-on-the-ground walkthrough, inspecting the material at every critical stage.

    Proven Specifications and Consistency Above All

    Not all sodium cyanide products are equal, even with similar paperwork. We manufacture with tight in-plant controls, so every bag, drum, or supersack leaving our facility holds the exact sodium cyanide content our certificate claims. The difference isn’t in the PDFs — it shows up in the consistency miners see during leaching or whether a heap leach process holds together for the full season. Our main output runs at a sodium cyanide purity of 98% and above, with small tolerances required in large-scale gold and silver leaching operations. We see buyers from around the world ask about chloride, carbonate, or iron levels; over the years, we’ve had to identify and eliminate trace contaminants at the plant level. Inconsistent formulation or processing often means operational headaches for miners and metallurgists down the line. Based on feedback, we adopted batch traceability systems more than a decade ago, which help mine sites troubleshoot issues quickly.

    Why Physical Form Reveals Attention to Detail

    There is a distinct advantage in having your sodium cyanide production right at hand. For heap leach, some prefer a granular or small briquette form, while others demand powder for fast dissolution in tanks. Early in our manufacturing journey, some buyers raised the issue of dust. In halting operations to switch between product forms, we saw how minor adjustments—like optimizing granulator flow rates or screening—bring a noticeable reduction in airborne dust. We were among the first chemical makers in our region to limit fines contents in briquettes, helping staff avoid exposure and loss of value in handling and storage. This has proven much more meaningful to operators than abstract claims of “user-friendly handling characteristics.” We learned to favor robust packaging and moisture barriers because sodium cyanide absorbs water from the atmosphere and degrades fast in high humidity. Packaging failures, even small punctures, quickly turn into product loss.

    What Sets Our Sodium Cyanide Apart in the Gold Industry

    We keep track of how our product performs when the mine site pressure is high. Season after season, metallurgists send us feedback on how our sodium cyanide dissolves, how it reacts in the leach solution, and how side-impurities affect the metal yield. Even a small deviation in the iron or calcium content can begin to interfere with gold absorption or require extra adjustment steps in the tailings process. Based on these conversations, we made adjustments long before competing manufacturers followed suit—eliminating common contaminants and modernizing purification equipment. Only by keeping to that discipline can we produce sodium cyanide that works reliably “in the field.”

    Many outside the mining sector misunderstand sodium cyanide as a simple, generic commodity. In reality, for leach operations, minor differences in product quality transform operational costs, environmental compliance, and worker safety. Our sodium cyanide undergoes real process validation – dissolubility, purity, and reactivity all matter, and they require consistent, frequent checks. We do not leave parameters like pH and solution clarity to chance.

    The Role of Sodium Cyanide in Modern Gold Extraction

    From our direct experience, sodium cyanide is the backbone of gold extraction in most producing countries. It forms strong complexes with gold in ore, allowing gold to move into solution, and then be recovered by activated carbon or zinc precipitation. We supply to scores of heap leach and CIL/ CIP plants, many of which run on tight production schedules and strict environmental oversight. Because the whole extraction depends on cyanide’s chemical performance, product impurities or batch deviations ripple straight down into lower gold recovery, clogged equipment, or ammonia formation. Our customers value swift technical support and hands-on solutions, which means we stay engaged with metallurgists long after delivery.

    While innovation naturally happens in gold mining chemicals, we tend to find that proven reliability trumps unproven claims of “new and improved” formulations. For most industrial users, trust grows through demonstrated results: clean reaction, predictable cyanide levels, lean waste management, and steady year-to-year supply. Any misstep can halt operations, so trust comes built on long-term delivery rather than aggressive marketing claims.

    Why Sodium Cyanide Remains Indispensable

    Alternative lixiviants get plenty of attention, but none rival the decades-long dataset and industrial experience miners have with sodium cyanide. Every year brings headlines touting greener or alternative leaching systems. Some gold ores do favor thiosulfate solutions, but imitating the consistent yields and low cost per ounce of sodium cyanide has proven tough at industrial scale. As a manufacturer, we do not chase fleeting industry fads. We invest in incremental improvements and robust technical partnerships to help customers squeeze another percent or two from each ore body. The core product—sodium cyanide—still outperforms all competitors where mainstream gold ores are concerned.

    Handling Challenges: Safety Above All Else

    Having spent years walking the production line, we know sodium cyanide must be handled with absolute care. Exposure risks—especially as dust or in solution—require thorough safety protocols at every stage, from our docks to the mine’s mixing tanks. Any discussion of sodium cyanide’s role must address safety culture and environmental stewardship. We built layered safety into raw material offload, automated dosing, and all loading, not just to meet codes, but because real people work with this material every day. Plenty of manufacturers talk safety; we design for it. Years of strict transport control, rapid spill response, and continual staff retraining drive that point home.

    On every shipment, we keep traceability airtight. We know that an error in paperwork, improper sealing, or a careless forklift move can jeopardize entire site operations or worse, local communities. Our crews receive specialized training on environmental response, so they spot risks early. Decades of accountability in sodium cyanide’s production and distribution taught us that nothing replaces vigilance.

    Troubleshooting and Real-Time Technical Support

    Product impurity, from a remote supplier or a new vendor, has caused our customers more headaches than any other factor. Every plant’s ore presents slightly different challenges, and even the same mine will shift in composition over a few years of production. Sodium cyanide with off-spec content—say, too much carbonate or trace iron—can push a gold plant off balance. Sudden drops in leach efficiency, clogged columns, and extra smelting steps all stem from neglecting tight process control. Because we’ve “walked the line” at customer sites, we built in rapid response systems. Our technical teams work on-site or remotely, reviewing plant data, product batch logs, and operational records. This ongoing dialogue, more than just a warranty, allows site managers and chemists to quickly fix leaching issues before losses escalate.

    We support new users, too, especially where sodium cyanide gets introduced for the first time. Many countries regulate sodium cyanide stringently, and each shipment involves careful navigation of transport, storage, and usage rules. Our staff assist in drafting site-specific procedures, adjusting dosing and controlling effluent. As chemical manufacturers, we learned early that the job is not just making and selling sodium cyanide, but acting as process partners for each gold mine.

    Environmental Responsibility Informs Manufacturing

    Environmental performance defines the way we run our production. We emphasize waste minimization at the plant and partner with mining companies to review their cyanide detoxification methods, such as destruction or advanced oxidation. In our experience, the most successful mines run continuous monitoring for cyanide levels in tailings and effluents, plus air and water quality. We match their standards by maintaining strict plant discharge controls and posting clear records of compliance for inspections. Patients and consistency—these take resources, but they prevent future headaches for everyone involved.

    Regulators and local communities demand clear reporting. We share all emissions and waste stats promptly to earn ongoing site permits and public trust. From the earliest days, we discovered transparency wins more goodwill than any public relations campaign. As environmental standards moved upward, we responded by investing in upgraded scrubbers, automated dosing monitors, and closed-circuit handling—all measures that don’t just protect the environment but help sustain partnerships with big and small miners.

    Differentiating Sodium Cyanide From Other Gold Leaching Agents

    Many in the gold industry ask us how sodium cyanide truly compares against newer or alternative leaching agents. Over hundreds of visits to gold mines on three continents, we’ve seen countless alternatives tested: chloride processes, biological leach, even glycine-based systems. Few deliver operational rates, process flexibility, or recovery percentages at the same low total cost. Sodium cyanide works at ambient temperature, handles a wide range of ore geologies, and fits into established plant and regulatory structures.

    No other reagent offers such predictable behavior across heap leach, CIL, and CIP operations, nor so much data on environmental, health, and production impacts. This doesn’t mean we ignore progress. Thiosulfate and alternative lixiviants do make sense for special ore types or where environmental constraints are unique. Still, for nearly every gold producer under economic pressure, sodium cyanide remains the standard because it performs predictably day-in, day-out.

    Solutions for Industry Obstacles

    With each shipment, we recognize the industry’s evolving challenges: tighter environmental controls, variability in ore bodies, and logistical uncertainty. By maintaining direct ownership of our manufacturing and logistics, we can adapt quickly to new emission standards, implement advanced shipment tracking, and rapidly adjust to changes in local infrastructure. We learned to partner early with shippers and regulatory agencies to prevent transit issues.

    Another persistent industry challenge is workforce training. From experience, turnover at mines and processing plants can lead to gaps in sodium cyanide handling knowledge, resulting in accidents or compliance slips. We provide ongoing product and process training for customers, both on new features—like enhanced moisture protection—and on crucial safety updates. We believe chemical manufacturers have a responsibility to drive improvements in application and safety, not just to “deliver product.”

    Building Value Through Honesty, Feedback, and Experience

    Over decades, we found that the deepest trust grows between companies that work collaboratively. Our years of gathering operator feedback, logging every complaint about dust or packaging, paying attention to delivery schedules, and troubleshooting on-site contamination have all shaped the way we manufacture sodium cyanide. We see our role not just as production, but as stewardship—keeping miners and communities safe, maximizing recovery, and doing what’s right for the environment.

    Our investment is in skilled workers, reliable raw materials, safe transport, and ongoing training. That commitment—more than marketing language—paired with constant technical knowledge transfer, keeps us a leader in sodium cyanide manufacture. By keeping our eyes open to global trends and local challenges, we meet the gold industry’s needs not with vague claims of “innovation,” but proven performance backed by direct factory and field experience.

    The Future of Sodium Cyanide: Responsibility and Rigor

    Looking ahead, we know the world’s scrutiny on sodium cyanide production and use will only intensify. We welcome that, knowing that rigorous standards benefit all responsible actors: chemical makers, miners, governments, and the surrounding communities. Continuous improvement—more efficient yield, less waste, and greater transparency—remains our north star. We intend to remain the preferred sodium cyanide supplier to gold mines worldwide not through broad claims, but through precise delivery, meaningful partnerships, and an unwavering focus on safety and reliability. Our sodium cyanide’s true value lies in this quiet discipline and our ongoing dedication to the realities of large-scale gold extraction.