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Cyanoacetic Acid

    • Product Name Cyanoacetic Acid
    • Alias 2-Cyanoacetic acid
    • Einecs 203-742-5
    • 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

    379614

    Chemical Name Cyanoacetic Acid
    Molecular Formula C3H3NO2
    Molar Mass 85.06 g/mol
    Appearance White to pale yellow crystalline solid
    Density 1.38 g/cm3
    Melting Point 65-67 °C
    Boiling Point 219 °C (decomposes)
    Solubility In Water Miscible
    Pka 2.48
    Cas Number 372-09-8
    Odor Slightly sour
    Flash Point 127 °C (closed cup)
    Synonyms Cyanomethanoic acid

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

    Packing & Storage
    Packing Cyanoacetic Acid, 500g, packaged in a sealed amber glass bottle with a secure screw cap and caution labeling for laboratory use.
    Shipping Cyanoacetic acid is classified as a hazardous material for shipping. It should be transported in tightly sealed containers, away from sources of heat or ignition. Shipping must comply with relevant regulations (such as DOT, IATA, IMDG). Proper labeling—indicating it is corrosive and toxic—is required, and appropriate documentation must accompany the shipment.
    Storage Cyanoacetic acid should be stored in a tightly closed container, in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizers and bases. Keep away from heat, sources of ignition, and moisture. Store in a corrosion-resistant container with a resistant inner liner. Use secondary containment to prevent accidental release and ensure labels are clear and intact.
    Application of Cyanoacetic Acid

    Applications of Cyanoacetic Acid in Industrial Manufacturing

    We supply cyanoacetic acid for established downstream processes where its unique reactivity supports key chemical syntheses for industrial, pharmaceutical, and dye applications. The following application scenarios detail its real-world use in specialty synthesis lines where formulation precision, process integration, and final product quality are critically shaped by this raw material.

    1. Pharmaceutical Intermediate Synthesis for Active Ingredients

    Pharmaceutical manufacturers regularly incorporate cyanoacetic acid as a critical C2 building block, particularly in the multi-step synthesis of barbiturates such as phenobarbital and other APIs. Its activated methylene group enables Knoevenagel condensation and cyclization reactions under controlled conditions. This material must meet stringent pharmacopoeial specifications, entering reaction stages after solvent charging to guarantee product purity and batch traceability throughout CGMP-validated manufacturing processes. Downstream processors adjust loading based on target yield and required conversion efficiency, with close attention paid to residual solvent removal and impurity profiles as demanded by regulatory authorities.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • EU GMP Part II (APIs, intermediates)
    • USP/NF and EP monographs for starting materials
    • 21 CFR Part 211 (Finished Pharmaceuticals, US FDA)

    Typical usage ratio

    • Ranged at 0.5–1.2 molar equivalents relative to substrate, refined per process Route of Synthesis (ROS), and adjusted for yield optimization

    Downstream process integration

    • Charged into batch reactors post-solvent loading, entering the condensation or alkylation step; followed by acid workup, crystallization, and drying

    Final product types

    • Phenobarbital, secobarbital, and related barbiturate APIs
    • Other pyrimidine-based pharmaceutical intermediates

    2. Agrochemical Synthesis of Herbicide and Pesticide Intermediates

    In agrochemical manufacturing, cyanoacetic acid functions as a key intermediate for synthesizing heterocyclic compounds found in herbicides and specific pesticides. Industrial plants use it to introduce both cyano and carboxylic functional groups required in the active ingredients of products like alloxydim. Accurate dosing—determined by scale and required product purity—ensures compliance with regulatory residue standards, and traceability in environmental discharge permits. Reactors operate under controlled pH to favor selective condensation and minimize by-product formation. Finished goods undergo rigorous quality checks for residual intermediates and compliance with agricultural input laws before market distribution.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 (Quality Management Systems in chemical processing)
    • OECD Guidelines for the Testing of Chemicals
    • REACH Regulation (EC) No 1907/2006 (Europe)

    Typical usage ratio

    • Employed at 15–25% w/w of batch composition, based on the active core’s stoichiometry and required final purity specification

    Downstream process integration

    • Added during the initial condensation or cyclization step within jacketed reactors; followed by neutralization, aqueous workup, and purification by fractional distillation or recrystallization

    Final product types

    • Alloxydim and related oxime herbicide intermediates
    • Pyrimidinone-based pesticide actives

    3. Dye and Pigment Manufacturing: Synthesis of Malononitrile Derivatives

    Dye and pigment producers employ cyanoacetic acid in the synthesis of specialty colorants, especially for creating malononitrile derivatives used as couplers or chromophores. Formulators leverage the acid for its reactivity under condensation conditions, fine-tuning feed ratios according to the chromogenic pathway and pigment hue intensity required. Integrating the compound during pre-polymerization or direct azo coupling steps demands batch-specific process control to prevent side-product formation. Finished dye lots must meet fastness, shade, and heavy metal impurity standards, as defined by global textile and ink regulations.

    Industry compliance standards

    • OEKO-TEX Standard 100 (Textile chemicals safety)
    • EN 71-3 (Migration of certain elements for toy inks and pigments)
    • ISO 18314-1:2015 (Analytical color measurement of pigments and dyes)
    • ZDHC MRSL (Manufacturing Restricted Substances List, apparel)

    Typical usage ratio

    • Loaded at 5–15% of the total monomer or coupling mixture mass, adjusted for target chromophore yield and solubility profile

    Downstream process integration

    • Introduced into condensation or azo-coupling reactors after base/solvent addition; subsequently worked up through precipitation, filtration, and drying

    Final product types

    • Disperse and reactive dyes for textiles
    • Organic pigments for inks and plastics

    4. Synthesis of Cyanoacetic Ester Derivatives for Fine Chemical Production

    Fine chemical manufacturers utilize cyanoacetic acid as a precursor for alkyl cyanoacetate esters, which serve as intermediates for pharmaceuticals, fragrances, and specialty monomers. The acid enters transesterification or Fischer esterification processes, with alcohol selection dictating final ester type for downstream coupling or polymerization. Usage levels are defined by the required molar conversion and minimized by continuous process monitoring under compliant batch documentation. Residual acid and by-products are traced for compliance with chemical purity and safety standards before ester shipment or further reaction.

    Industry compliance standards

    • ISO 9001:2015 (Process and QC management)
    • Global Harmonized System (GHS) labeling and traceability protocols
    • Customs and Excise Regulations for chemical precursors
    • Specialty Chemicals Purity Standards for customer-specific grades

    Typical usage ratio

    • 1.0–1.1 equivalents relative to alcohol in batch or continuous flow systems, depending on ester chain length and reactivity

    Downstream process integration

    • Acid charged into esterification reactor with alcohol and acid catalyst, followed by distillation to isolate the ester fraction; spent catalyst and unreacted acid removed via aqueous workup

    Final product types

    • Ethyl cyanoacetate and higher alkyl esters
    • Specialty monomers, APIs, and fragrance intermediates

    5. Synthesis of Thiophene Derivatives for Electronics and Materials

    Advanced materials manufacturers apply cyanoacetic acid in the synthesis of substituted thiophenes, which are essential for organic semiconductors, OLED components, and sensing materials. Its active methylene group acts in cross-coupling reactions to introduce cyano functionality on the thiophene core. Usage depends on the required electronic properties of the final derivative and precise control of reaction stoichiometry. The material enters the process after catalyst activation, followed by chromatographic purification to meet electronics-grade purity standards for device fabrication.

    Industry compliance standards

    • IEC 60747 (Semiconductor device quality standards)
    • ISO 14644 (Cleanroom and controlled environment processing)
    • RoHS Directive 2011/65/EU (Hazardous substances in electronics)
    • Proprietary electronics-materials grade specifications

    Typical usage ratio

    • 0.9–1.3 equivalents per mole of thiophene precursor, variably set to control substitution efficiency

    Downstream process integration

    • Fed into coupling or cyclization reactors post-catalyst activation step; followed by column purification and solvent exchange for device compatibility

    Final product types

    • Substituted thiophenes for organic electronics
    • OLED monomers and sensor material intermediates
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    Certification & Compliance
    More Introduction

    Cyanoacetic Acid: Direct from the Chemical Manufacturer’s Floor

    Our Approach to Producing Pure Cyanoacetic Acid

    In our facilities, cyanoacetic acid flows through a process built on rigorous process control and chemical know-how. Over years of refining our technology, our team has gained insight into the reactivity, purity requirements, and critical points that turn a batch into a dependable input for downstream syntheses. Chemical manufacturers who use cyanoacetic acid in-house judge our product on consistency and predictable reactivity, because even one off-grade batch can create bottlenecks or introduce yield loss further down the chain.

    Let’s talk directly about the form our customers rely on: solid crystalline cyanoacetic acid with purity levels that routinely hold above 99%. Each lot starts with stable, well-audited supply chains for basic raw materials. The process doesn’t end at crystallization. Finished product goes through thorough filtration, and every kilogram is tested for residual chloride, acidity, color, and most important, the presence of hydrocyanic and other volatile acids. In our line, we batch and store cyanoacetic acid with as little moisture pick-up as possible, since moisture risks downstream hydrolysis and can mar batch-to-batch reproducibility for formulators.

    People working on multi-step organic synthesis projects know why careful quality at the cyanoacetic acid stage leads to time saved later. You’ll find teams in pharmaceutical and agrochemical synthesis checking certificate-of-analysis paperwork for every incoming drum or fiber container, searching for signs of run-to-run deviation. The acid’s nitrile and carboxylic groups lend themselves to a host of reactions, but only a well-controlled batch guarantees reactions won’t drift towards unwanted side products. Minute traces of metal contaminants—a risk during some supplier’s synthetic routes—can poison catalysts or start unwanted polymerization. Testing and traceability aren’t just checkboxes for us; an upstream error takes real dollars out of a manufacturer’s ledger.

    Our model of cyanoacetic acid covers the established melting range of 63–65°C, practical for most synthetic labs and easy to handle under typical plant conditions. The white or near-white color indicates low degradation, as yellowing often suggests thermal or chemical breakdown. With an assay specification not just above 99% but typically hitting 99.5%, there is less risk of unexpected precipitation or color reactions in critical couplings and condensations. For scale-up work, our supply chain supports drums, intermediate bulk containers, or other packaging geared for large-scale plants, always lined or constructed with HDPE or similar robust materials to prevent acid attack during storage and transit.

    How Cyanoacetic Acid Drives Innovation in Chemical Synthesis

    If you talk to chemists in the field, they explain that cyanoacetic acid offers a rare combination in one molecule. The nitrile group’s electron-withdrawing power and carboxylic acid moiety make it a go-to intermediate for nucleophilic substitution, condensation reactions, and functional group installations. In the pharmaceutical sector, teams working on barbiturates, antihypertensives, or non-steroidal anti-inflammatory drug (NSAID) cores often start with our acid as a raw material for Knoevenagel condensations, Michael-type acceptors, and more. The acid finds its way into agrochemical syntheses, forming the core skeleton of certain herbicides and plant protection compounds, where reproducibility and conversion rates impact regulatory approval processes.

    Because of its bifunctional nature, the acidity of the methylene hydrogen in cyanoacetic acid sits above most simple alkyl carboxylic acids. Chemists can easily create active methylene compounds. The acid’s reactivity doesn’t just support high-yield reactions—it enables structural creativity. This lets teams in specialty chemicals design unique colorants, UV absorbers, or intermediates for dyestuffs. When a process chemist plans a multi-step method for a novel heterocycle, using cyanoacetic acid as a core building block simplifies route scouting and sometimes eliminates purification steps that come with less pure alternatives.

    One major strength is how cleanly our grade of cyanoacetic acid proceeds in industrial alkylations and acylations. Lower-grade materials, especially from less controlled routes, shower reaction flasks with side products—cyanides, amides, even oxidized residue—leading to time spent purifying mixtures that rarely hit optimal cost profiles. Pure cyanoacetic acid, directly from a manufacturer invested in quality, drops out those headaches before they can even start. Experienced process teams emphasize that paying a small premium for a high-purity grade means avoiding far greater purification costs downstream, along with fewer run-to-run headaches in continuous production.

    How Our Production Differs from Other Models

    Chemical producers sometimes cut corners by purchasing technical-grade cyanoacetic acid from by-product streams or less tightly controlled syntheses. These lots often head for markets where exacting purification isn’t necessary—low-end industrial applications or commodity reagents, for example. We don’t see ourselves in that business. Instead, our process focuses on minimizing residual reactants and by-product formation, starting as early as the initial condensation of cyanide-based precursors. Unlike batches relying on recycled cyanohydrin by-products, our base material sourcing is chosen for minimum off-grade content, reducing off-odor and coloration.

    In downstream custom synthesis, customers have told us that switching to our manufacturer-grade acid reduced line stoppages, improved overall output purity, and limited post-reaction filtration work. In specialty organics or APIs, these advantages aren’t just conveniences, but competitive necessities; process reliability attracts regulatory and commercial partners, not to mention the operational teams who carry out kilo- to multi-tonne scaleups week in and week out.

    Our focus remains on traceability and batch integrity. We monitor trace heavy metals, often below industry targets, and maintain ultra-low levels of chloride and sulfate contamination. Alternative sources that let chloride or nitrate slip past quality control put customer operations at risk during pharmaceutical, crop sciences, and electronics reactions. Each production run is audited not only for in-spec composition, but for absence of stabilizer residues that generally hover in lower-quality offerings. We actively track feedback from partners, labs, and industrial synthesizers. If an anomaly arises in crystallinity, flow property, or melting point, we investigate at the process stage, not after drums leave the factory.

    How Cyanoacetic Acid Fits into Industrial Supply Chains

    The backbone of any vibrant chemical value chain is security of supply, together with the confidence that a seemingly small molecule like cyanoacetic acid doesn’t introduce variability into a much larger synthetic scheme. Process engineers at our facility meet regularly with key technical staff from customer operations—we discuss not only today’s needs, but how quality signals upstream impact routine batch campaigns and site scheduling.

    In large-scale facilities, downtime is catastrophic. Our business is built on the idea that dependable cyanoacetic acid, arriving when needed, delivered in well-sealed, compatible packaging, heads straight from warehouse to reactor. This eliminates the delay and cost of repackaging and retesting, and lets customer lines stay on schedule even during supply crunches elsewhere in the world. Consistency, in this case, translates directly to value for downstream partners who must meet contractual, regulatory, and market-driven deliverables. We keep rigorous records of every incoming drum lot, and every dispatch is logged by a team that understands the importance of not just paperwork, but actual chain-of-custody in the chemical business.

    In the broader view, cyanoacetic acid remains a specialty intermediate that benefits from a partnership mentality between manufacturer and user. From support during process validation, to help resolving differences between laboratory and plant-scale reactivity, to short-term storage consultation (since the acid can slowly pick up water when exposed to air), our teams work alongside our customers to keep their processes robust and their end-products sharp. The feedback loop here acts as both our strongest asset and a responsibility we don’t take lightly.

    Comparisons with Other Classes of Intermediates

    Discussions on cyanoacetic acid often highlight its bifunctional nature. Someone accustomed to working with simple carboxylic acids or monofunctional nitriles soon sees why cyanoacetic acid commands a unique seat at the table: the adjacent nitrile and acid functionality enable access to both nucleophilic and electrophilic reactivity at the same molecular site. This property jump-starts key condensation reactions, and unlocks substitution chemistry that isn’t practical starting from simple acetic acid or benzonitrile.

    Users sometimes ask about substituting malonic acid, acetonitrile, or ethyl cyanoacetate for cyanoacetic acid in legacy or cost-cutting projects. They quickly discover that the core differences—acidity, reactivity, and practical group installability—add steps, decrease selectivity, or increase purification headaches. Malonic acid, while strong for certain couplings, can’t deliver the same nucleophilicity adjacent to a nitrile, often producing muted yields and extra by-product workup. Acetonitrile misses out entirely on carboxyl-based transformations, and its volatility and toxicity can complicate plant safety. Ethyl cyanoacetate requires a hydrolysis step after reaction, which just lengthens process time. We’ve watched teams return to cyanoacetic acid when project timelines or yields come under pressure, writing off short-term cost savings in favor of the operational reliability that high-purity acid brings.

    In pigment and dyestuff synthesis, cyanoacetic acid holds additional ground because of its ability to anchor both electron-rich and electron-withdrawing groups during dye construction. The synthetic latitude this gives research groups can’t be matched by single-functional intermediates. In our own work with application-focused partners, we supply not just the acid, but technical insight on solvent compatibility, order of addition, common fouling issues, and even how tiny process tweaks alter final color tone or pigment strength. Conversations here revolve around much more than a list of specs: they’re about finding ways to perfect a formulation at scale, reduce environmental impact, or anticipate new downstream needs as global regulations shift.

    Our Perspective: Why the Grade and Purity Matters

    Having spent years at the intersection of manufacturing floor realities and fine chemical application, our staff stays in constant dialogue with plant operators, scale-up engineers, and supply chain managers. Low-quality or inconsistent cyanoacetic acid doesn’t just challenge spec sheets; it can crater entire campaigns of downstream material. Poor filtration, product discoloration, off-odors, and even corrosion in unlined reactors have emerged as direct consequences of lower-standard, poorly handled material in our customers’ plants.

    One challenge that comes up in pharma and agricultural chemical manufacturing is regulatory scrutiny. Residual impurities in cyanoacetic acid don’t just lower process yields. They risk batch rejection or lengthy root-cause investigation under cGMP regimes, eating up engineering and compliance resources. Pharmacopeia-registered users, especially those shipping to Europe and North America, ask detailed questions about trace contaminants, sub-lot traceability, and our cleaning protocols—a level of detail we can provide from each stage of production, tracked down to the shift responsible for crystallization and final packaging.

    Compared with resellers or traders, direct manufacturers have a deeper handle on the stories behind each lot and the ability to dial procedures up or down to address emerging issues. We test each run for micro-crystallite formation, avoid graded releases of off-spec material, and retain samples for audit. Every kilogram that leaves our plant does so with the expectation that it will face tight regulatory, operational, and analytical scrutiny—and that it will deliver consistent performance without the headaches found in less traceable supply.

    Troubleshooting and Real-World Solutions

    Problems with cyanoacetic acid aren’t abstract concerns; we’ve run up against the common ones ourselves and helped address them alongside multiple partners. Batch-to-batch color drift almost always traces back to solvent or reagent impurities upstream. We run secondary purification steps and review all in-process solvents for re-use cycles, limiting such risk. For unexpected melting-point shifts, a common issue is low-level moisture uptake during transit or at storage points. Our drums remain tightly sealed and always use non-porous liners, and we share best practices on warehouse conditions with customer facilities, including open-air storage pitfalls, dehumidification equipment, and the kinds of field testing that can quickly flag early-stage problems.

    In scale-up environments, exothermic runaways and forced venting from loose drums have historically come from use of recycled containers or improper vent configuration. To stay ahead of these risks, we use approved drum types with acid-resistant gaskets and clear tamper-evident seals—every outgoing lot meets both our internal physical-chemical compatibility checklist and broader regulatory standards. Our technical service group holds regular line reviews with frequent buyers, going beyond post-sale troubleshooting and aiming to anticipate seasonal, supply, or application-driven changes so that each buyer faces fewer surprises.

    For applications that demand even tighter impurity control—specialty pharma, advanced organic electronics, or pigment precursors—our R&D group can refine purification protocols or offer additional analytical test runs per customer request. Over the years, projects like enzymatically-catalyzed synthesis or direct incorporation into high-sensitivity photoresists have challenged us to go beyond routine specs, pushing for even lower levels of UV-absorbing impurities or better compatibility with specialized stabilizers. We take these as welcome signals to further improve core process robustness, closing feedback loops for everyone who partners with us for regular-scale or custom-request supply.

    Customer Experience from a Manufacturer’s Perspective

    Working with industry partners for such a reactive intermediate has taught us direct lessons about communication, accountability, and follow-up. For some clients, rapid response during raw material shortages or sudden upsurges in market demand has made the difference between staying on or falling off supply contracts. We hold finished material buffer stock specifically for verified partners, keep real-time records for every production lot, and deliver regular updates when raw material or logistics become volatile—actions that only a direct producer truly manages.

    We maintain a culture of improvement. Even small changes in regulatory perspectives—requirements for purity, stricter limits on environmental emissions, or requests for pre-approval inspection—translate into new process checkpoints, audit trails, or supplier certifications ahead of material entering our system. Our teams embrace this drive, layering in new analytics, documenting supply-chain provenance, and inviting feedback that will make us, and our product, stronger in the field.

    Key managers, chemists, and operators across our plants share cross-shift notes so that knowledge travels directly, not just up to management and back down, but across real users and handlers. We believe in training up every operator so that the person at the crystallizer or packing line sees not just “product,” but material destined for major synthesis projects worldwide and destined to pass hands-on inspection, not just paper compliance. That pride in our work, we believe, ends up crystallized in every batch of cyanoacetic acid we send to our partners—no exceptions, no hedges, no detours through cut-rate shortcuts.

    Environmental, Safety, and Traceability: Real Factors, Not Buzzwords

    Environmental and safety controls are core parts of manufacturing cyanoacetic acid at scale. Handling hydrogen cyanide and acid-based condensation steps requires ventilation, on-line monitoring, and strong response protocols that keep our workforce safe and emissions within benchmark standards. These aren’t just regulatory checkboxes or press-release claims. They’re lessons written in safety drills, operational logs, and continuous review of solvent handling, air-scrubber construction, and off-gas treatment. Our compliance records prove that direct manufacturers bear full responsibility for what leaves and remains at our plant, impacting communities and the environment far beyond our gates.

    In sum, cyanoacetic acid, produced under tightly held conditions with experienced teams and open lines of technical communication, serves much more than a line item in a chemical catalog. From the manufacturer’s view, it’s the quiet backbone of complex syntheses, the peace of mind behind robust supply chains, and the stage upon which entire innovation campaigns rely. We keep our eyes on every part of that chain, championing reliability, quality, and readiness—not just to meet definitions or tick regulatory boxes, but to deliver on the exacting expectations of professional synthesizers everywhere.