Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

Potassium Cyanide

    • Product Name Potassium Cyanide
    • Alias KCN
    • Einecs 205-792-3
    • 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

    726095

    Chemical Name Potassium Cyanide
    Chemical Formula KCN
    Molar Mass 65.12 g/mol
    Appearance White crystalline solid
    Odor Faint bitter almond-like odor
    Melting Point 634°C (1173°F)
    Boiling Point 1625°C (2957°F, decomposes)
    Solubility In Water Very soluble
    Density 1.52 g/cm³
    Cas Number 151-50-8
    Ph 1 Solution 11
    Refractive Index 1.534

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

    Packing & Storage
    Packing Potassium Cyanide, 500 grams, is supplied in a sealed, clearly labeled, airtight HDPE bottle with a tamper-evident cap and hazard warnings.
    Shipping Potassium cyanide must be shipped as a hazardous material in compliance with international and local regulations. It is packaged in tightly sealed, corrosion-resistant containers, clearly labeled with hazard warnings. Transport requires secure handling, documentation, and emergency procedures, typically only by authorized, trained personnel. Direct contact and moisture exposure must be strictly avoided during shipment.
    Storage Potassium cyanide should be stored in a tightly sealed, clearly labeled container made of compatible material, such as polyethylene, away from moisture, acids, and incompatible substances. Keep it in a cool, dry, well-ventilated, and secure location with restricted access. Storage areas should be equipped with cyanide emergency kits and be designated for toxic chemicals only, separate from food and combustible materials.
    Application of Potassium Cyanide

    Applications of Potassium Cyanide in Industrial Manufacturing

    As the original manufacturer of high-purity potassium cyanide, we supply this specialized chemical to global industrial partners who require precise formulations and strict compliance for advanced production processes. Our products address critical application needs in gold extraction, fine electroplating, organic synthesis, metal treatment, and chemical laboratory synthesis. Each downstream segment demands exact dosage controls, reliable integration into technical workflows, and comprehensive documentation supporting end-product quality and regulatory adherence.

    1. Gold and Precious Metals Extraction

    Mining operations and precious metals refiners rely on potassium cyanide for efficient leaching of gold and silver from ores and recycled materials. The material dissolves targeted metals selectively, supporting high-yield bullion production under regulated environmental protocols. Advanced circuit design and addition of detoxification processes enable compliance with discharge controls and responsible use policies. Our supply supports both heap leaching and agitation leach systems where continuous quality monitoring is essential for yield and downstream purity assurance.

    Industry compliance standards

    • International Cyanide Management Code (ICMC)
    • ISO 14001 Environmental Management System
    • U.S. EPA National Pollutant Discharge Elimination System (NPDES)
    • Relevant national mining safety laws (e.g., OSHA, MSHA, CNCA)

    Typical usage ratio

    • 0.05% – 0.10% w/v in leach solutions; dosage adjusted according to ore grade, mineralogy, pH, and process temperature for optimal dissolution and recovery rates.

    Downstream process integration

    • Direct addition to primary leaching tanks or cyanide solution circuit in gold or silver refining plants.
    • Continuous monitoring for free cyanide content and tight pH control throughout extraction and subsequent metal recovery.

    Final product types

    • Dore bars (gold, silver)
    • High-assay bullion
    • Refined precious metal ingots

    2. Industrial Electroplating

    Metal finishing plants utilize potassium cyanide-based bath chemistries to deposit uniformly bright gold, silver, or copper coatings onto electronic contacts, connectors, watches, jewelry, and high-reliability hardware. Controlled cyanide levels ensure deposit integrity and surface properties. Our product quality supports analytic testing for trace impurities, enabling downstream operators to achieve required thickness tolerances and adhesion standards under audited plating line protocols.

    Industry compliance standards

    • ISO 9001 Quality Management for Electroplating
    • RoHS Directive (2011/65/EU) for restricted hazardous substances
    • QPL/QML (Qualified Product List) for military and aerospace connectors
    • German Federal Emission Guidelines TA Luft for plating emissions

    Typical usage ratio

    • Gold or silver baths: 2 – 8 g/L potassium cyanide; copper baths: 23 – 27 g/L potassium cyanide.
    • Dosing value varies with metal content, bath temperature, agitation, and deposition rate targets.

    Downstream process integration

    • Formulation of plating solutions in pre-mix tanks.
    • Periodic replenishment of cyanide concentration based on analytical bath monitoring.
    • Strict segregation from acid treatment zones and post-plate rinse/waste neutralization.

    Final product types

    • Gold electroplated electronic contacts
    • High-brightness silver jewelry and tableware
    • Precision copper foil connectors

    3. Organic Synthesis of Nitriles and Chemical Intermediates

    Chemical synthesis plants and pharmaceutical intermediates manufacturers employ potassium cyanide in the preparation of aliphatic and aromatic nitriles, vital for agrochemical, vitamin, and specialty chemical production. The reagent acts as a nucleophile in alkylation and addition reactions, requiring closed system handling and validated in-process controls for regulatory documentation and operator health protection. Integrated scrubber and waste gas treatment ensure process site safety and emission minimization.

    Industry compliance standards

    • GMP (Good Manufacturing Practice), as per ICH Q7 for active pharmaceutical ingredient (API) intermediates
    • REACH registration (EC No. 205-792-3) in the European Union
    • OSHA Process Safety Management (PSM) for highly hazardous chemicals
    • Responsible Care Management System (RCMS) for chemical plants

    Typical usage ratio

    • Stoichiometric to slight excess (1:1–1.2:1 molar ratio) relative to target halide or aldehyde substrate; precise charge set based on lab-scale optimization and target yield.

    Downstream process integration

    • Introduction at the reactor nucleophile step under controlled solvent and inert gas environment.
    • Ensures selectively in the preparation of nitrile or cyanohydrin intermediates for further purification.

    Final product types

    • Adiponitrile for nylon-6,6 synthesis
    • Mandelonitrile for synthetic pharmaceuticals
    • Pyridine nitriles for agrochemical actives

    4. Silver Plating for High-Performance Electrical Components

    Production of silver-plated aerospace contacts, relays, and critical connectors implements potassium cyanide as a key complexing agent in advanced bath chemistries. Proprietary additive blends and rigorous testing for trace potassium carbonate, sodium, or chloride ensure deposit ductility and silver purity. This regime maintains electrical conductivity specifications and joint reliability in demanding service environments. Operations integrate waste treatment systems that continuously detoxify spent solution and comply with regulatory effluent limits.

    Industry compliance standards

    • IPC-4553 for thickness specifications (printed circuit boards)
    • AS9100 for aerospace quality management
    • EN 61192 for electrical components
    • WEEE (Waste Electrical and Electronic Equipment Directive) for end-of-life management

    Typical usage ratio

    • 11 – 36 g/L potassium cyanide for silver bath formulations; dosage and plating current adjusted for required deposit thickness (typically 2 – 25 µm).

    Downstream process integration

    • Feeding to automated plating tank lines with continuous pH and free cyanide monitoring.
    • Integration with cell agitation and controlled temperature circuits for uniform deposit.

    Final product types

    • Silver-plated aerospace contacts
    • Relay terminals
    • High-frequency RF connectors

    5. Surface Hardening and Metal Heat Treatment

    Potassium cyanide enters use in case hardening and carburizing processes to diffuse carbon and nitrogen into low alloy steel surfaces, forming hard, wear-resistant outer layers while preserving core toughness. Use in salt bath nitriding and cyaniding furnaces requires strict segregation, dedicated injection controls, and inline analysis to confirm salt composition stability. Downstream operators implement closed-loop gas scrubbing and batch trace serialization for full regulatory and quality compliance.

    Industry compliance standards

    • AMS 2759/10 (Aerospace Material Specification – Cyanide Case Hardening)
    • ISO 9001:2015 Quality Management
    • ISO 14001 Environmental Controls for heat treatment operations
    • Local Occupational Health & Safety Standards

    Typical usage ratio

    • 10 – 15% potassium cyanide by weight in heat treatment salt baths; loading adjusted by part geometry, steel grade, and required case depth.

    Downstream process integration

    • Direct with salt bath furnace feed systems at atmospheric or reduced pressure.
    • Process operators manage cyanide content and bath temperature to sustain targeted carburization/nitriding kinetics.

    Final product types

    • Gears and transmission sprockets
    • Steel dies and tooling parts
    • Automotive camshafts and crankshafts

    6. Laboratory Analytical Reagent & Academic Synthesis

    Certified analytical laboratories and chemical research institutes utilize potassium cyanide as a reagent for spectrophotometric metal ion determination and as a key reactant in academic organic syntheses. Carefully validated purity levels and full traceability documentation support reproducibility in both quantitative and qualitative methods, particularly in transition metal assays and mechanistic chemistry research. Waste cyanide solutions are neutralized under established laboratory protocols and documented for compliance in research audits.

    Industry compliance standards

    • ASTM E200-19 Standard Practice for Preparation & Standardization of Standard Solutions
    • ISO/IEC 17025:2017 Laboratory Accreditation
    • OECD Principles of Good Laboratory Practice (GLP)
    • National research laboratory safety guidelines (e.g., NIH, CNAS)

    Typical usage ratio

    • 0.1 – 2.0 g per analytical sample, or molar quantities in stepwise synthesis; laboratories adjust addition based on protocol sensitivity and safety.

    Downstream process integration

    • Directly measured into analytical apparatus or flask in synthesis sequence.
    • Steps include safe storage, sample dissolution, and controlled neutralization/disposal upon method completion.

    Final product types

    • Metal ion calibration solutions
    • Research-grade organic nitrile compounds
    • Published reference standards
    Free Quote

    Competitive Potassium Cyanide prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing Potassium Cyanide from the Manufacturer’s Perspective

    A Straightforward Approach to Manufacturing

    Potassium cyanide has a long history in the chemical industry. We produce it here, on site, under careful control and strict safety standards. Our operations rely on trained personnel, high-quality raw materials, and a constant review of process variables. Every batch goes through multiple stages—raw sodium cyanide reacts with potassium hydroxide, forming the white, crystalline powder chemists know well. Each step happens in custom-reactors and filtration units, with careful attention to purity and consistency.

    Our in-house team monitors every lot for content and clarity. From the first mixing phase to final evaporation, the entire workflow keeps tight reins on small details. It’s not just about churning out a product; repeated analysis and real-time checks keep quality predictable. Several colleagues have spent decades on the floor refining how crystals form, aiming for even particle size, fewer by-products, and smooth handling during packaging.

    Product Models and Specifications

    The potassium cyanide we manufacture comes in a few primary models. Industrial clients typically choose between technical-grade with minimum purity of 98% and a higher-purity grade for laboratories. A handful of specialty applications call for reconstituted solutions, which we prepare to customer specifications on site, using deionized water and new vessels for each batch.

    Our product presents as a colorless, slightly hygroscopic crystalline mass. We take pride in producing steady, reliable crystal structure—free flowing under typical handling conditions, but tightly sealed to reduce moisture uptake. Particle size runs from fine powder to coarse crystals, packaged in containers lining up to international transport and safety standards. Batch-to-batch differences arise primarily from raw material variability, but deliberate testing minimizes outliers. These specifications come not just from contract fulfillment but from direct input of users who need minimal residue, steady dissolution rates, and predictable reactivity.

    How Potassium Cyanide Finds Its Place in Industry

    Potassium cyanide plays a major role in precious metal extraction, electroplating, organic synthesis, and select laboratory routines. Our staff knows these uses well—they’ve walked the gold recovery plants, sat in on circuit design meetings, and received samples from researchers looking for clean reagent. In gold mining, potassium cyanide enables rapid leaching; it forms stable, soluble gold complexes under mild alkaline conditions. The feedback we get says purity and fineness of our product make a direct difference in recovery efficiency.

    Electroplaters reach out to us often. For gold and silver baths, the stability of potassium cyanide becomes critical. Technicians tell us how slight traces of carbonate or excess moisture can introduce pitting or tarnish. The quality control routines our company emphasizes—whether during drying, sieving, or container sealing—reduce these risks. Synapses in organic synthesis also benefit. Chemists trust the consistency and fast solution time of our higher-purity grade when they’re making nitriles or pharmaceuticals.

    We also fill specialty requests for laboratories searching for precise reactivity—even small differences in trace compounds swing the outcome of sensitive reactions. Our lab has fielded hundreds of phone calls about compatibility with specific solvents or downstream synthetic steps. Not every manufacturer stands behind every container; we stand ready to talk outcomes and real world solutions, not just paperwork.

    Comparing Our Potassium Cyanide to Other Chemicals and Grades

    Potassium cyanide might look similar to sodium cyanide, but the chemical properties and downstream effects stand apart. Many clients ask if they can swap between the two. Potassium’s solubility and salt response mean different outcomes in gold leaching or plating tanks. Potassium cyanide forms more stable complexes with gold and silver at certain concentrations. In silver plating baths, customers notice brighter, smoother deposits when sticking with potassium over sodium.

    We’ve run our own side-by-side tests. At the same molar concentrations, potassium cyanide dissolves faster for key gold compounds, especially at lower temperatures. This saves time and improves recovery in cooler climates or winter work shifts. Handling safety and end-of-use remediation pose similar risks for both, so training and plant design don’t switch much. Environmental engineers always focus on the fate of cyanide ions, but potassium counterparts tend to leave less overall residue once reclamation finishes.

    Comparing grades, we never pass off lesser purity as “good enough.” Even small parts per million of heavy metals or carbonate impact performance. Many customers, especially in cleanrooms or pharmaceutical synthesis, reject out-of-spec sources entirely. We take this feedback into our prepping routines, double-washing equipment, examining crystal formation under digital scope, and screening for trace metal content from upstream feedstocks. The extra effort has turned repeat users into long-term partners.

    Quality Assurance—Direct Feedback Loops

    No quality standard matters more than what gets seen in the customer’s process. Over the years, we’ve arranged countless factory visits and open-lid inspections, talking shop with process engineers—seeing exactly where our cyanide enters the workflow. Some plants blend our material with acids under glass; others dissolve in jacketed tanks for flow to gold circuits. They point out where variability in moisture or particle size interrupts dosing. Their stories fuel changes here. We swapped out an old drying hood for a closed-vacuum system because a single batch picked up excess humidity. Several mining companies run our in-house reference standard against every new shipment. They track tailings, weigh gold beads, and share recovery numbers in near real time. This information flows back to our product managers, shaping every cycle.

    Suppliers who skip this dialogue fall out of favor fast. The world moves on live data, not empty claims. We keep chemists on call for technical support and open to learning. If a customer says the dissolution rate dropped five percent, we dig into the raw material batch, compare with lab controls, and rerun the process if needed. Problems don’t get explained away—they get solved on the ground.

    Differentiating Product by Origin and Method

    Prices fluctuate in the global cyanide market. Multinational companies buy from resellers, not always knowing where their powder came from or what treatment it underwent. Our edge comes from vertical integration and transparency. We contract sources, keep processing in house, and log every lot against the operator, day, and meter readings. ERP systems map source-of-origin from potassium hydroxide supplier down to the last drum. This level of traceability makes a difference once end-users demand proof of provenance for compliance or insurance audits.

    Our process lines use contained reactor vessels, scrubbers, and rigorous effluent controls. We’ve invested in remediation infrastructure—full cyanide destruction, air monitoring, and closed loop water handling. We encourage clients to visit and check our approach, learn how the crystalline structure forms and what safety protocols we’ve built into the workflow. This openness brings not only trust but a continuous dialog about process improvements.

    Several of our colleagues started their careers handling legacy product—variable color, off-odor, lots with trace iron or oils. The shift to closed-system crystallization, new tank linings, and constant product sampling has cut these issues in half. Most users know pure potassium cyanide only as a white, almost odorless solid; a far cry from the old, yellowed or chunky lots that once required on-site drying. We keep evolving, driven from the inside out, so finished goods stay a cut above.

    Safe Handling—From the Factory Floor to Your Site

    Few chemicals demand more care than potassium cyanide. Both here and at our customers’ facilities, handling starts with thorough training and gear. Our staff wears full respiratory, eye, and skin protection from raw feed to final seal. We run environmental controls, double-seal bins, and never skip a lockout on the plant floor. Regular emergency drills prepare us for spills or exposure events. No one touches unlabelled containers, and no batch leaves the factory without completed safety paperwork.

    Clients often invite us out to audit their sites—checking transfer rooms, dosing methods, waste streams, or sensor calibration. This ongoing feedback ensures best practices stick, not just flash compliance. As we transitioned to new container designs, customers pointed out how dust generation affected their own personnel and waste handling. We swapped out bag liners, updated sealing tape, and simplified container handling to cut loose powder. If a transfer line fouls or a shipment fails to match expectations, we show up with solutions, not excuses.

    Regulatory oversight plays a powerful role across all jurisdictions. We welcome it, and actively engage with inspectors and safety assessors. The world takes potassium cyanide control very seriously; every movement gets logged, every permit double-checked. Our plant staff sits in review meetings for audits, keeping open records and a culture where anyone can flag a concern or improvement.

    Sustained Relationships Based on Trust and Results

    We build our business one handshake at a time. This isn’t just a slogan—our daily routine pulses with real conversations, ongoing feedback, and direct exchanges with clients both big and small. An R&D chemist in France calls up about residue in a flare stack; a mining engineer in Australia asks about optimizing leach times. Our operations team addresses these calls and messages directly, passing along experience, shipping best practices, or new lab data straight from our own technicians.

    Repeat buyers don’t just want a product, they want a trusted partner who knows what happens past the loading bay. When someone new comes on board, we start by understanding their application. Do they run small test reactions, or does their team manage bulk flows in automated systems? Each setting opens unique risks—material compatibility, heat load, or even room airflow. By building the relationship face to face, over video, or on factory visits, we bring field data back to our own processes. Getting the right potassium cyanide into the right hands is a joint effort, not a one-way street.

    Many relationships span years, some decades. Stories of troubleshooting, rapid shipment during outages, or sharing technical notes have become company lore. When a process change at their facility upends outcomes, they don’t hesitate to call for experimental runs, replacement lots, or talk through technical barriers. In this line of work, honesty and technical openness protect both lives and long-term business.

    Continuous Improvement—Listening and Responding

    No production run is ever “set and forget.” We invest heavily in routine upgrades, driven by standards, feedback, and R&D initiatives. A new humidity sensor might seem minor, but a quarter-turn off in the drying cycle can swing the product from premium to subpar. We watch trends on every parameter—raw input concentration, mixing temperature, even factory HVAC performance. This kind of attention didn’t come from reading manuals; it’s the lived experience of operators, lab techs, and line supervisors who have seen both process upsets and smooth batch flows up close.

    Clients want to see data backing up claims, not boilerplate. Over the years we’ve introduced batch certificates with tighter reporting; customers can view full trace metal sweeps, moisture readings, even archivable digital microscope shots of the last lot. This doesn’t happen by magic. Our own chemists validate each reading, our QA team stays trained on the latest reference methods, and every new process tweak gets logged for trend analysis.

    Improvements don’t just cut risk; they often open new potential. Precise particle sizing has pushed more customers to try automated dosing, cut batch times, or reduce operating losses. We grab feedback from every failure analysis and success story, pressing for change in the factory, not just in glossy ads. Several breakthroughs—like direct-to-container dosing lines or closed-loop scrubbers—came from end-user frustration and persistent hands-on effort.

    Transparency, Authenticity, and Shared Responsibility

    The story of potassium cyanide extends beyond our factory gates. Each use—whether extracting gold, plating memory contacts, or synthesizing pharmaceuticals—brings weighty responsibilities. We believe in sharing the facts: how the product is made, where it’s stored, what the real risks and effective mitigations look like. Customers need honesty about shelf-life, cross-contamination, or shelf damage. Our commitment is to speak plainly, provide all analytical and procedural detail requested, and to stand by in support long after delivery.

    We encourage site audits, testing, and additional third-party validations. Openness about process, handling, and supply chain history makes a difference in regulatory review and customer confidence. The world has seen what happens when shortcuts appear; our company’s reputation stands on a foundation of visible improvement and plainspoken support across decades and industries.

    Conclusion and Perspective on Value

    Potassium cyanide is not just a product for us; it’s the sum of decades of technical knowledge, persistent learning, and trust earned in the field. From raw input to finished crystal, from rigorous safety protocols to listening to the end user, we’re committed to continuous improvement and shared results. Every batch leaves our plant backed by people who know what it means to depend on reliability, transparency, and technical support. In this industry, these qualities carry more weight than price or contract terms—they shape the outcome for every client and community we serve.