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Potassium Gold Cyanide

    • Product Name Potassium Gold Cyanide
    • Alias Gold Potassium Cyanide
    • Einecs 240-793-7
    • 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

    492164

    Chemical Name Potassium Gold Cyanide
    Chemical Formula KAu(CN)2
    Molar Mass 339.00 g/mol
    Appearance white to pale yellow crystalline solid
    Solubility In Water highly soluble
    Melting Point decomposes before melting
    Density 3.68 g/cm3
    Cas Number 13967-50-5
    Uses gold electroplating
    Toxicity highly toxic
    Odor faint almond-like (cyanide odor)
    Storage Conditions store in a tightly closed container, in a cool, dry place

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

    Packing & Storage
    Packing Potassium Gold Cyanide, 100g, supplied in a sealed, amber glass bottle with tamper-evident cap, labeled with hazard warnings.
    Shipping **Potassium Gold Cyanide** should be shipped in tightly sealed, chemically resistant containers. It must be clearly labeled as toxic and transported according to hazardous material regulations, including UN 1683 guidelines. Avoid exposure to moisture, heat, and incompatible substances. Shipping should follow all local, national, and international safety and environmental protocols.
    Storage Potassium Gold Cyanide should be stored in a cool, dry, well-ventilated area away from incompatible materials such as acids and oxidizing agents. It must be kept in tightly sealed, labeled containers made of materials resistant to cyanides. Storage areas should be secure, with restricted access, and equipped with appropriate spill containment and emergency washing facilities due to its high toxicity.
    Application of Potassium Gold Cyanide

    Applications of Potassium Gold Cyanide in Industrial Manufacturing

    Potassium Gold Cyanide serves as a key source of gold in a range of high-value industrial processes. Its defined chemical structure and solubility make it essential for precise deposition and gold recovery in sectors requiring uncompromising quality and traceability. Below, we detail major downstream sectors, real-world integration stages, applicable compliance systems, and the specific output achieved by manufacturers utilizing this raw material.

    1. Electronic Connector and Semiconductor Plating

    Electronics manufacturers use this gold complex primarily for electroplating high-reliability connectors, leadframes, and various semiconductor package components. The material dissolves directly in electroplating baths, forming the gold ion source for controlled deposition onto copper, nickel, or other substrates. End applications include wire-bond pads, edge connectors, switching contacts, and printed circuit board (PCB) traces, each demanding tailored deposit thickness for signal integrity and corrosion resistance.

    Industry compliance standards

    • IEC 61340-5-1 (ESD control for electronic components)
    • IEC 60068-2-58 (Solderability and resistance to dissolution)
    • ISO 9001 (Quality Management Systems for electronics manufacturing)
    • Restriction of Hazardous Substances (RoHS) Directive 2011/65/EU

    Typical usage ratio

    • 5–15 g/L gold content as K[Au(CN)2], adjusted for deposit thickness, desired plating speed, and bath replenishment rate

    Downstream process integration

    • Direct dissolution in electrolyte make-up tanks before plating line operation
    • Gold recovery and bath purification from drag-out rinse waters
    • Automatic dosage control via inline concentration measurement
    • Integration with agitation and filtration for process stability

    Final product types

    • Gold-plated PCB connectors
    • Leadframes for integrated circuits
    • Edge contacts for memory modules
    • Relay and switch contact terminals

    2. Watch and Jewelry Manufacturing

    Watchmakers and jewelry production facilities use this chemical as a primary gold electrolyte for decorative and functional surface finishing. Electroplating ensures tightly controlled uniform gold layers on metal substrates such as brass, silver, or stainless steel. Processes demand high bath purity to prevent discoloration and to achieve required thickness, wear resistance, and decorative value on rings, bracelets, watch casings, and luxury accessories.

    Industry compliance standards

    • ISO 8654:2022 (Colours of gold alloys—Designation)
    • ISO 9202:2019 (Jewellery—Fineness of precious metal alloys)
    • REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) compliance
    • EN 1811 (Reference test for nickel release in jewelry articles)

    Typical usage ratio

    • 2–10 g/L gold as K[Au(CN)2], adjusted according to item type, layer thickness (0.1–5 microns), and production line throughput

    Downstream process integration

    • Plating bath make-up and replenishment with real-time gold titration
    • Gold content monitoring to minimize losses during drag-out
    • Polishing and surface activation steps before electroplating
    • Post-plate rinsing and passivation to stabilize color and luster

    Final product types

    • Wristwatch cases and bracelets
    • Necklaces and pendants
    • Rings and earrings
    • Luxury cufflinks and brooches

    3. Gold Plating for Medical Devices

    Medical device manufacturers use the gold cyanide complex to deposit biocompatible gold layers on surgical instruments, dental tools, implantable contacts, and diagnostic sensors. Stringent purity and trace metal control are required to eliminate cytotoxicity risks and meet product lifecycle requirements. Critical applications include pacemaker contacts, surgical stents, and diagnostic electrodes where surface conductivity and resistance to body fluids are mandatory.

    Industry compliance standards

    • ISO 13485:2016 (Medical Devices—Quality Management Systems)
    • ISO 10993-1 (Evaluation of biocompatibility in medical devices)
    • US FDA 21 CFR Part 820 (Quality System Regulation)
    • ASTM F86-21 (Surface preparation of implants)

    Typical usage ratio

    • 1–5 g/L gold as K[Au(CN)2], tailored for device geometry, regulated thickness (commonly 0.1–2 microns), and minimization of nickel underlayers

    Downstream process integration

    • Pre-treatment including ultrasonic cleaning and acid activation
    • Electroplating within Class 100–10000 cleanroom environments
    • In-process gold layer thickness measurement via XRF or coulometric methods
    • Post-plating passivation and batchwise sterility validation

    Final product types

    • Surgical forceps and scissors with gold contacts
    • Implantable defibrillator and pacemaker electrodes
    • Microelectrode arrays for neurophysiological use
    • Dental crown frameworks

    4. Gold Plating for Aerospace Components

    Aerospace industry suppliers apply this gold salt for plating connectors, waveguides, and shielding components used in avionics and satellite systems. Electroplated gold layers prevent corrosion, ensure high-frequency signal transmission, and provide stable contact resistance in hostile environments, including vacuum and radiation exposure.

    Industry compliance standards

    • AS9100 (Quality Management System for aerospace sector)
    • MIL-DTL-45204D (Gold plating for electrical, electronic, and aerospace devices)
    • IPC-4552B (Performance specification for electrodeposited gold on printed boards)
    • RoHS and REACH regulations

    Typical usage ratio

    • 6–12 g/L gold as K[Au(CN)2], set according to required gold thickness (0.76–2.54 microns typical), deposition rate, and target coverage

    Downstream process integration

    • Loaded into plating tanks after alkaline and acid cleaning of substrate
    • Bath parameter monitoring—pH, temperature, current density—during production
    • Waste cyanide recovery systems for effluent compliance
    • Integration with mask-and-strip processes for selective plating

    Final product types

    • Satellite antenna waveguides
    • Connector pins and sockets for avionics
    • RF housing shields
    • Precision contacts in aerospace power distribution

    5. Decorative and Functional Coatings for Eyewear

    Manufacturers of premium eyewear utilize this gold complex for electroplating frames, temple arms, and functional components requiring hypoallergenic and tarnish-resistant finishes. Processes emphasize uniform layer adherence and compatibility with various base metals such as monel, stainless steel, or titanium, with batch validation for surface quality and nickel release rates.

    Industry compliance standards

    • ISO 12870:2016 (Spectacle frames—Requirements and test methods)
    • ISO 11426:2014 (Determination of gold content in precious metal alloys)
    • EN 1811 (Nickel release test—applicable to items in direct skin contact)

    Typical usage ratio

    • 1–6 g/L gold content as K[Au(CN)2], adjusted for frame design, alloy compatibility, and finish durability (surface deposit 0.1–2 microns)

    Downstream process integration

    • Single or multiple gold strike and plate baths in automated finishing lines
    • Preceded by stripping/polishing for consistent layer adhesion
    • Rinse and drying cycles to avoid water or chemical residue
    • In-line quality inspection and gold layer verification by XRF

    Final product types

    • Prescription eyewear frames with decorative gold finish
    • Sunglasses with anti-corrosive gold-plated arms
    • Bespoke fashion eyewear
    • Functional spectacle hinges and screws
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    Competitive Potassium Gold Cyanide prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Potassium Gold Cyanide—Our Experience, Our Commitment

    The Craft and Science Behind Potassium Gold Cyanide Production

    Years of work in the chemical industry teach a manufacturer lessons impossible to gain from third-party sources. Potassium gold cyanide stands apart among our offerings, not just for its crystalline appearance, but for the precision it brings to gold plating and electronic applications. From the day the feedstock gold enters our plant, every step in its synthesis—from solution preparation, reaction management, crystallization, to purification—demands hands-on control, steady nerves, and skill built on hands-in-the-tank realities.

    Most users know potassium gold cyanide for its central role in gold electroplating. With the formula K[Au(CN)2] and gold content that can reach up to 68%, it earns its keep where purity and reliability shape the finished product. What often goes unsaid is that the origins and consistency of raw material—not just the final assay or visual appearance—decide if the plating tank runs well or creates headaches. As a manufacturer working from gold bullion and cyanide salts, we track gold crystallinity and impurity levels daily, not only batch-to-batch but within each run. A trader or packager cannot offer this assurance, nor can any reseller produce the same consistent product profile.

    What Communities Learn From Decades at the Reactor

    Facilities like ours don’t just churn out potassium gold cyanide; we live with the responsibility of handling cyanide compounds and precious metals every day. Strict regulatory requirements govern every movement of raw gold, each measure of cyanide, every gram of product shipped. These rules come with good reason. Incorrect ratios in synthesis or traces of base metal contamination show up painfully at the customer’s electroplating line, where poor throw or color mismatch can lead to entire tanks being discarded—at enormous environmental and financial cost.

    Meeting the standards is not an abstract exercise. Our lab staff logs every gold input and records data down to tenths of a milligram. Automation helps, but so does the judgment of experienced hands who know where losses hide and how to trace them. Our difference lies in stopping issues before they travel downstream. For non-manufacturers, such fine-tuned technical intervention is often out of reach.

    Model, Grade, and Specifications: What Matters on the Floor

    Models of potassium gold cyanide reflect differences in gold concentration, hydration level, and trace impurities. Our main grade—often regarded as the standard for electroplating—keeps gold levels between 68.0 and 68.3% by mass, with moisture content tailored for stability and easy dissolution. Water present on the surface or in the crystal matrix seems trivial, but incorrect handling produces dusting, caking, or “lumpiness”—real problems in commercial plating setups. Entire electroplating lines require days to recalibrate if the potassium gold cyanide fails to match what technicians expect. Real production floors do not forgive surprises.

    Another product in our range features lower alkali metal contamination, achieved through advanced purification. While the gold content stays within 0.1% of standard grade, the lowered sodium and calcium traces cut the risk of rogue reactions during delicate microelectronics electroplating. These distinctions emerge from feedback—when a single semiconductor client spent weeks tracking down an uncooperative plating bath, impurity mapping pinpointed sodium creep. Pinning down that cause needed not just documentation but openness to recalibrate the production process within days.

    Key Differences: Manufacturer Perspective, Not Marketing Fluff

    Potassium gold cyanide stands apart even among high-grade plating salts. Not every product given this name delivers the same plating behavior. As direct manufacturers, we hold control at every stage—starting with gold alloy selection. Even small alloy impurities, such as platinum or palladium at less than 10 ppm, can cause catastrophic breakdown in high-reliability applications like connectors or telecom parts. In purchasing gold and cyanide inputs, we keep documentary trails, but more importantly, we run our own melt and leach tests, looking for signs of contamination that even certified sources might miss.

    Electroplating customers don’t see the inside of a reactor, but they know when something is off. Plating speed, surface finish, deposit grain size, color intensity, and current efficiency all fluctuate with product purity. Once a batch of potassium gold cyanide failed our own in-house test for insoluble residue, we removed it from consideration—others, content to retail, might never catch this. Unlike bulk chemical suppliers who traffic only in off-the-shelf lots, we stake our name on holding the line for every shipment.

    Trusted Scientific Background, Not Just Promises

    Knowledge about potassium gold cyanide production stretches back to the earliest days of modern electrochemistry, and small mistakes multiply at scale. Cyanidation chemistry involves handling volatile poisons alongside precious metals, requiring nerve, experience, and respect for risk. We implement real-time gas detection, automatic quench reactors, and air-tight systems to protect our staff and ensure no residual cyanide finds its way into outgoing product. On-site staff receive continuous retraining. These are not items a distributor can tick off on a checklist—only those present in the plant understand that lapses cost lives and careers.

    Years ago, a fellow producer lost most of their facility to a poorly ventilated gold dissolution sequence. Since that day, our shop floors include redundant venting, secondary containment, and strict hand-off procedures between shifts. New batch records flag any guesswork. Our choice of input cyanide—never bought cheap, always tested for hydrolysis and degradation—means our product brings no unexpected organic byproducts or color instability to the final bath.

    The Human Element—Experience Shapes Product Quality

    Potassium gold cyanide can seem like just another chemical for those outside the manufacturing loop. To us, its quality signals the skill of those who touch every step of its preparation. Our technicians log glassware cleaning cycles, watch for black spots from insoluble gold residues, and track the precise temperature required for crystallization. Any shortcut shows up in clouded liquids, uneven crystals, or failed final assay.

    We understand the real consequences of mistakes—ruined jewelry lots, rejected circuit boards, wasted work hours, and even environmental penalties borne by users. Longstanding customers judge us on these details, not on brochures or claims supplied by middlemen. Integrating feedback, such as optimizing dissolution rates for different plating bath chemistries or eliminating caking in humid storage, keeps our team grounded in daily realities. Our phone lines don’t just connect to sales—they connect to our foremen, chemists, and, sometimes, clients working through a late shift, trusted to solve real-world problems as they arise.

    End Uses: Where Our Product Earns Its Keep

    Once delivered, potassium gold cyanide enters a wide variety of industries. The world of jewelry plating depends on its stability and purity—minor background metals, even at sub-ppm levels, cloud colors and create customer complaints. Electronics producers count on our product for wiring and connection point plating, where every micron of gold influences electrical resistance, signal clarity, and long-term durability.

    Gold-coated connectors must withstand thousands of insertions and removals without developing resistance spikes—a challenge met only through consistent, pure gold layers. Our strict manufacturing, with batch-to-batch documentation, provides reassurance users cannot find with untraceable, bulk-purchased lots. Medical device firms rely on this trust; regulatory regimes ask for more than certificates—they demand evidence of process control, source documentation, and trackability. We produce these not because regulations require them, but because each failed component means more than profit—it means risk for real people.

    Comparing Potassium Gold Cyanide to Other Gold Salts

    Several gold compounds find their way into plating chemistry, but potassium gold cyanide enjoys wide use because it dissolves quickly, behaves predictably in electric fields, and allows for controlled deposition. Alternatives like gold chloride (AuCl3) provide faster gold release but bring risks of unpredictable side reactions—especially in humid environments or poorly maintained baths. Gold sulfite compounds sometimes appeal for their environmental friendliness, but they rarely achieve the same sharp color and tight deposit control required in semiconductor or decorative applications.

    From experience, clients who attempted to swap potassium gold cyanide for lesser-known salts saw unpredictable plating windows, instability in current efficiency, and unexpected bath fouling—especially in long or continuous runs. Traders or secondary suppliers, outside the production line, may overpromise on substitutes. As those who produce both cyanide and non-cyanide gold salts, we know their limitations—and recommend substitutes only when process safety or regulation dictate.

    Real Quality Comes From the Source

    Many on the outside view potassium gold cyanide as a pure commodity, failing to recognize the impact of trace impurities on final product quality. A supplier removed from production never witnesses the long-term effects of chlorine residues, dust-borne sodium, or other trace contaminants; they neither see the plating lines stall nor have to ship replacement lots at a loss. Every manufacturer makes mistakes—our repeat customers judge us by how fast we correct issues and whether our staff have the respect to admit when something failed.

    Our company invests daily in quality checks, not theoretical but physical: crystal habit, color, solubility, and gold content. Our gold preparation rooms receive regular upgrades, but it’s people—those who live with the smell of hydrogen cyanide detectors or check barcoded reagent bottles each morning—who bring muscle and attention to each lot. Tanks cleaned at shift’s end, walls checked for gold dust that could cause loss: these habits separate real makers from those extracting margin alone.

    Continual Improvement Grounded in On-the-Job Learning

    Every batch teaches something—where cold weather changes water content in finished crystals, how minute pH shifts during cyanide addition affect product texture, how storage containers can leach traces into long-held stock. Only those who both manufacture and service their product see these issues recur. Our commitment to potassium gold cyanide centers on improvement, listening to clients’ troubleshooting and never resting on a “standard specification.”

    Customer visits to our plant see us fielding direct questions on shelf stability, methods to eliminate residual moisture, approaches to purifying input salts, ways to extend bath life, and tricks for “reviving” old product. We learn as much from these meetings as any written standard. Hiring former plating operators rather than just chemists ensures our staff know what questions matter most on the shop floor: what causes pinholing, how to spot early signs of bath contamination, or which storage method prevents clumping during monsoon seasons.

    Meeting Modern Plating Needs—Feedback In, Quality Out

    Demand for tighter tolerances in electronics and decorative applications pushes us to push our production further—lowering trace iron, keeping gold particle size narrow, and optimizing addition agents to maintain bath clarity. Each tweak can cost weeks in validation, but skipping steps leads to long-term losses. Internet sellers and bulk packagers might chase the lowest price, but our clients value a partner who stands behind each batch and accepts feedback—even criticism when it helps us improve.

    For our team, potassium gold cyanide isn’t just a product on an order form—it’s hours logged in cleaning, filter replacement, test platings, and careful solution preparation. Trust in our product comes from repeat performance, not one-off deals. No shortcut beats living with each step and answering to real-world outcomes. The next time you see a plated finish or plug in a tiny gold connector, remember the labor and care stitched into every stage—elements that no document or sales sheet alone can certify.

    Collaboration as a Source of Better Product

    Across these years, the changelog in our potassium gold cyanide manufacturing isn’t just equipment or new analytical machines—it’s the ongoing conversations with clients and peers. As direct manufacturers, we can listen and adapt; other sources can only pass on requests to unknown upstream players. When a jewelry firm needs gold’s color shade matched to a legacy line, or when a telecom company identifies an uptick in contact resistance, our onsite experts examine every step. We send test lots, tweak gold content, and—if required—alter production on the advice of field failures, not isolated lab trials. These lessons stick because they cost real money and reputation.

    As the industry pushes into denser, more miniaturized, and more demanding uses, potassium gold cyanide must perform without surprises. Those in research and industrial production expect more than promises—they need process control from source to shipment. Our product reflects decades of facing and fixing real manufacturing challenges, shaped by hands that know both chemistry and consequence.