| HS Code | 615372 |
| Chemical Name | Hydrocyanic Acid |
| Alternative Names | Prussic acid, Hydrogen cyanide solution |
| Cas Number | 74-90-8 |
| Molecular Formula | HCN |
| Appearance | Colorless or pale blue liquid |
| Odor | Bitter almond-like odor |
| Concentration Limit | ≤20% |
| Molecular Weight | 27.03 g/mol |
| Boiling Point | 25.6°C (78.1°F) |
| Melting Point | -13.4°C (7.9°F) |
| Density | 0.687 g/cm³ (at 20°C) |
| Solubility In Water | Miscible |
| Flammability | Highly flammable |
| Toxicity | Highly toxic |
| Un Number | UN1613 |
As an accredited Hydrocyanic Acid [Content ≤20%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Hydrocyanic Acid [Content ≤20%] is packaged in a 2.5-liter amber glass bottle, tightly sealed, with hazard labeling and safety instructions. |
| Shipping | Hydrocyanic Acid (Content ≤20%) must be shipped in tightly sealed, corrosion-resistant containers under cool, well-ventilated conditions. It is classified as a toxic and volatile substance; strict adherence to hazardous material regulations, including labeling and documentation, is required. Personal protective equipment and emergency procedures must be ensured during transport to prevent exposure. |
| Storage | Hydrocyanic Acid (≤20% concentration) should be stored in a cool, dry, well-ventilated area away from sunlight and sources of ignition. Use tightly sealed containers made of compatible materials (such as glass or specific plastics). Store away from oxidizers, acids, alkalis, and metals. Ensure proper labeling and access restriction. Employ secondary containment and leak detection systems for added safety due to its toxicity and volatility. |
Hydrocyanic acid solution with a content not exceeding 20% serves as a critical feedstock in several industrial manufacturing processes. Its applications span across chemical synthesis, plastics production, mining, and agrochemical industries. Below we detail real downstream scenarios, outlining compliance, usage ratio, process integration, and common finished product types for each use case.
In the large-scale synthesis of adiponitrile—a key intermediate for nylon 6,6 manufacturing—producers utilize dilute hydrocyanic acid as a nucleophile for hydrocyanation of butadiene. This controlled addition step helps manage reactivity and ensures workplace safety while complying with industrial production norms for specialty monomers. Strict purity standards govern input streams to maintain polymer performance in the final nylon product.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Hydrocyanic acid serves as the precursor in sodium cyanide production, which downstream users apply for gold and silver leaching in mining. Producers carry out neutralization with caustic soda, strictly monitoring pH and temperature to maximize yield. Final sodium cyanide solution or briquettes must conform to stringent safety and purity criteria for shipment to mining sites and process plants worldwide.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Methacrylic acid esters like MMA rely on hydrocyanic acid as a reactant during the acetone cyanohydrin process. This route demands precise dosing of HCN to acetone under controlled pressure and chilling to stabilize intermediates before further catalytic rearrangement. Resulting MMA serves as a foundation for paints, coatings, and polymethyl methacrylate (PMMA) products.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Agrochemical manufacturers make use of hydrocyanic acid in the synthesis of cyanohydrin intermediates for active pesticide ingredient production. Typical applications include the preparation of intermediates for herbicides and insecticides via catalytic addition to carbonyl compounds. This process requires rigorous quality control and risk management due to the critical nature of downstream crop protection product safety.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Competitive Hydrocyanic Acid [Content ≤20%] prices that fit your budget—flexible terms and customized quotes for every order.
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Working at the source of hydrocyanic acid production means facing both the technical and practical challenges day in and day out. Years on the shop floor have shown us what buyers and end-users rarely see: the difference between a safe, reliable product and one that simply meets the numbers. We constantly monitor and test each lot. This matters most with something as potent as hydrocyanic acid, even at content ≤20%. The real value comes not just from meeting industry standards, but from holding ourselves to even stricter internal controls.
Our hydrocyanic acid, capped at a maximum of 20% content, offers a blend tailored for industrial and laboratory use where precise control is critical. At this low concentration, users find a balance between strength and manageability. In contrast, higher concentrations may introduce unnecessary hazards without delivering meaningful performance gains for certain applications.
Production involves direct synthesis from raw materials, without relying on pre-made intermediates. This maintains purity and consistency, critical for processes that downstream users rely on—such as organic synthesis, metallurgy, and fumigation. Rather than just shipping bulk materials, we focus on maintaining batch-to-batch uniformity, with modern quality assurance equipment operated by trained personnel.
Hydrocyanic acid demands respect. Unlike many everyday chemicals, even a modest concentration brings immediate risks. By maintaining the concentration at or below 20%, we help industrial partners minimize risk during storage, handling, and dosing.
Our experience gives us a clear view of the safety protocols needed at various stages—right from the initial fill through to transport and customer unloading. Many handlers mistakenly believe that if something is diluted, it ceases to be dangerous. That misconception never makes it past our doors. On our production lines, every cylinder and container gets individually inspected. Leaks, corrosion, and valve issues get flagged before a shipment leaves the warehouse. Upstream, we manage emissions and effluent to lower occupational exposure.
Low-concentration hydrocyanic acid finds steady demand among fine chemical manufacturers, laboratories, and metallurgists. The ≤20% product often serves as a reactive agent for synthesizing nitriles and organic intermediates. Metallurgists count on our consistent profile when extracting precious metals or treating ores, where high-purity output is non-negotiable.
In fumigation, even a slight fluctuation in acid content can impact regulatory compliance. Our direct control over the concentration and purity helps our partners stay on the right side of local and international guidelines. In our experience, end-users waste fewer resources and achieve better yields by starting with a reliable supply. Inconsistent fillers from traders or resellers, who often lack any real stake in production, only add variables that complicate both operational workflows and compliance paperwork.
Many chemicals make the rounds several times before they reach the final user. Resellers and brokers may not know—or disclose—details about the product’s origin, grade, or handling. By dealing directly with the source, our customers sidestep those unknowns.
Some products marketed as hydrocyanic acid actually contain undisclosed stabilizers, buffer agents, or trace contaminants introduced by intermediate processing, old tanks, or careless storage. A common issue from indirect supply chains involves high levels of sodium, iron, or other metals that impact effectiveness in high-sensitivity processes. Our quality lab routinely checks for these outliers, rejecting any material that does not meet internal criteria. Years working in batch production reveal how even trace contamination translates into lost yield, increased cleaning downtime, and higher waste streams at user facilities. We don’t cut corners because we answer to customers who notice.
Packaging makes another key difference. Some suppliers dilute more heavily or use containers poorly suited for hydrocyanic acid’s reactivity, risking leaching or pressure build-up. We select containers specifically engineered to withstand both the chemical and physical stresses involved—rigid, leak-proof, properly vented. Before each fill, we run pressure and integrity checks. We’ve learned to put ourselves in the shoes of the technician who must handle these materials on a daily basis.
Meeting legal benchmarks is only half the story. Regulatory inspections look for documentation, correct labeling, and minimum safety thresholds, but safety culture grows from experience in the field.
We engineer each production and packaging step not only to fulfill official guidelines, but to anticipate the real day-to-day scenarios faced by handlers and users. This might mean extra training at our shipping terminals, or running practical drills alongside quality assurance. Regulations shift over time, but those on the factory floor see firsthand which precautions hold up—and which fall short. Our compliance team works hand-in-hand with operators and maintenance staff to maintain readiness for regulatory review, but more importantly, to avoid incidents before they happen.
Owning the process from raw material to finished acid changes the game. We operate reactors under tightly controlled temperatures and pressures, with all feedstock tracked from arrival to use. Continuous, live instrument readings allow the operators to act on any deviation the moment it happens—not hours or days later.
Batch records get updated in real time. This supports robust traceability, which customers value when questions arise or unexpected results occur in downstream processes. Unlike traders who collect material from scattered sources, we back every cylinder with a record of how it was made, the inputs involved, and the results of its final assays. In technical problem-solving, this traceability is more than just paperwork—it cuts down downtime and root cause diagnosis from days to hours.
Years of producing and refining hydrocyanic acid have taught us to speak our customers’ language. When a niche manufacturer calls about a subtle shift in a reaction yield, we respond with actionable detail, not just a certificate of analysis.
Our staff includes chemists and engineers who run bench-scale experiments to simulate customer applications. If we encounter a recurring issue—like selective absorption, unusual residue, or stabilization problems—we work on-site with users to solve them. Instead of waiting for someone else’s R&D report, we draw directly on operational know-how. This feedback loop makes our product the choice for applications where transparency and reliability matter more than headline prices.
Hydrocyanic acid presents unique environmental handling challenges. As operators, we don’t view disposal and emissions as afterthoughts. Our facilities use closed-loop scrubbers and chemical neutralization systems with remote monitoring. We treat effluent to bring cyanide levels down to safe thresholds before release, and track every liter of waste from tank to treatment.
On the customer side, we provide detailed recommendations for safe disposal—even after containers are empty. Over time, we have identified recurring customer pain points, such as accidental residual contamination or improper container venting. We take these learnings back to our production processes, designing new packaging types or adjusting pre-fill cleaning steps where needed.
Some of our best improvements come from listening carefully to customers facing unexpected bottlenecks. Operators handling fumigation or large-scale synthesis often come back to us with valuable suggestions. For example, adjusting nozzle design for better dosing accuracy, updating container closure styles for improved safety, or tweaking formulation to reduce off-gassing during storage.
Every improvement starts on the factory floor. We prototype in small runs before full-scale rollout, monitoring how minor changes impact user outcomes. This hands-on approach beats theoretical optimization because operators see what works—sometimes in ways that surprise our laboratory engineers.
Among industrial chemicals, hydrocyanic acid holds a notorious reputation for volatility and toxicity. That reputation is earned. From production workers to logistics coordinators, everyone plays a critical role in containing and controlling its hazards.
Manufacturing experience exposes potential failure points others might overlook—thermal cycling during transport, fluctuating ambient pressure, or wear on container gaskets. Our protocols reflect hard-earned lessons, such as doubling inspection frequency during seasons with large temperature swings, or posting staff specifically to monitor high-turnover storage areas.
By dealing first-hand with regulatory updates, we understand what inspectors watch for—proper marking, updated MSDS, tamper-proof seals—and embed compliance steps throughout the workflow. Basic principles like frequent refresher trainings and strict separation between incompatible chemicals make a difference over the long haul.
Relationships with end-users never remain static. New regulations, technological updates, or customer audits prompt us to continually reassess both process and product. We encourage plant visits, audits, and independent testing.
We urge partners to bring issues directly to our engineers and technicians. Problems in conversion rates, product compatibility, or storage concerns get prompt answers. For existing users, this direct channel means quick resolution—often drawing on decades of cumulative production experience.
Newer entrants to the hydrocyanic acid market sometimes underestimate the value of transparency and operational dialog. Over time, we have seen that this culture of openness protects both producer and user, aligning expectations and reducing risks for everyone down the supply chain.
Environmental scrutiny grows stronger each season. Energy use and waste management no longer just satisfy corporate responsibility—they keep us viable. We invest in high-efficiency catalytic incineration and automated leak detection. Each major process upgrade incorporates energy audits and waste minimization targets. These investments may not always deliver immediate profit, but they pay in reliability, reputation, and regulatory compliance.
Raw material volatility challenges even established players. We hedge risk by maintaining stable sourcing contracts and by qualifying multiple feedstock sources. This cushions sudden swings in prices or supply chain interruptions. By taking the long-term view, we can focus on delivering stable product quality, even as market conditions shift.
Low-concentration hydrocyanic acid remains integral for certain high-value sectors—even as alternatives enter the market. Its reactivity and selectivity stand unmatched in key organic syntheses. For example, pharmaceutical manufacturers require both purity and tightly controlled content. They depend on our precise, transparent batch data, and on our willingness to troubleshoot directly with technical staff.
Mining operations, another major consumer, rely on timely deliveries and container integrity. A leak or contamination issue can lose an operator substantial sums in downtime and wasted ore. Our experience in handling logistics—especially across challenging geographies—means the product arrives on spec, with full chain-of-custody documentation.
For universities and research labs, we support both standard and custom requests, maintaining small-batch flexibility while integrating advanced analytics. Scientific progress depends on predictable reactants; we make it possible by maintaining not only minimum purity, but thorough documentation and responsive technical support.
Looking forward, regulatory terrain and technological shifts promise further change. We monitor emerging standards developed by international agencies and local governments. Whenever practical, we implement process changes in anticipation of new benchmarks, not in response to fines or citations.
Customers now expect more than just the product. They want production transparency, clear statements about feedstocks, independent test data, and problem-solving partnerships. With each new year, we double down on staff training, capital improvements, and customer transparency, ensuring that our hydrocyanic acid gains trust not just from regulators, but from those who use it every day.
Years of hands-on work with hydrocyanic acid—specifically at content ≤20%—have taught us that every stage, from synthesis to shipping, impacts both safety and effectiveness. We do not chase volume for its own sake. Instead, we focus on building a reputation for honesty, continous quality, and open communication with our partners. Every improvement, every feedback loop, every minor adjustment rests on lived experience. This shapes the difference between a product that merely arrives on time and one that consistently delivers as promised, batch after batch. Our ongoing commitment supports not just current users, but the sustainable, safe use of hydrocyanic acid for years to come.