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

Pyrazinecarbonitrile

    • Product Name Pyrazinecarbonitrile
    • Alias 3-Cyanopyridine
    • Einecs 249-735-1
    • 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

    628093

    Chemicalname Pyrazinecarbonitrile
    Molecularformula C5H3N3
    Molarmass 105.10 g/mol
    Casnumber 25841-14-9
    Appearance White to off-white solid
    Meltingpoint 107-110°C
    Boilingpoint 302°C
    Density 1.25 g/cm3
    Solubility Slightly soluble in water
    Smiles C1=CN=CN=C1C#N

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

    Packing & Storage
    Packing Pyrazinecarbonitrile, 25g: Supplied in a sealed amber glass bottle with a screw cap, labeled with hazard warnings and chemical details.
    Shipping Pyrazinecarbonitrile should be shipped in compliance with chemical safety regulations. It must be packed securely in appropriate, sealed containers to prevent leaks, protected from moisture and incompatible substances. During transport, label packages clearly with hazard information and ensure documentation accompanies the shipment. Handle with care to avoid breakage or accidental release.
    Storage **Pyrazinecarbonitrile** should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and incompatible substances such as strong oxidizers. Avoid direct sunlight and moisture. Properly label the storage container and ensure access is limited to trained personnel. Follow all applicable chemical storage regulations and safety guidelines.
    Application of Pyrazinecarbonitrile

    Applications of Pyrazinecarbonitrile in Industrial Manufacturing

    Pyrazinecarbonitrile is a specialty intermediate that supports the synthesis of advanced molecules in high-value industries. As a direct manufacturer, we ensure strict quality traceability and offer reliable supply to facilitate various downstream sectors. Below we detail real-world scenarios where this raw material integrates into precise production stages, supported by applicable industry regulations and formulation practices adopted by leading manufacturers.

    1. Pharmaceutical Intermediate for Antineoplastic Drug Synthesis

    Pyrazinecarbonitrile plays a pivotal role as a building block in the synthesis of several small-molecule oncology drugs. Process chemists incorporate this intermediate in the key ring-forming and functionalization steps for the preparation of heterocyclic APIs. Its high purity grade and controlled impurity profile directly support batch reproducibility in GMP-compliant settings. Formulators typically adjust loading based on targeted yield, stoichiometry, and impurity control during route optimization. Inspection points include incoming material QC and in-process HPLC checks to support regulatory submissions.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • 21 CFR Part 211 (FDA cGMP requirements for finished pharmaceuticals)
    • EU GMP EudraLex, Volume 4
    • Relevant national pharmacopoeias (USP, EP, JP)

    Typical usage ratio

    • Varies from 0.2 to 1.0 mole equivalence based on API synthetic route; usually 5–10% by mass of final batch size for the heterocycle-forming step.

    Downstream process integration

    • Introduced as a core reagent during ring closure or nitrile introduction in heterocyclic synthesis (step 3–5 of multi-stage API production); added to reaction reactors under controlled temperature with necessary catalysts.

    Final product types

    • Antineoplastic Active Pharmaceutical Ingredients (APIs)
    • Chemotherapeutic drug substances
    • Oncology intermediates for further transformation

    2. Agrochemical Active Core Synthesis

    Within agrochemical manufacturing, firms use pyrazinecarbonitrile to create functionalized pyrazine derivatives that serve as the active moieties in plant protection agents. The compound enters catalytic condensation or nucleophilic substitution stages, leading to high-efficient active ingredients. Regulatory agencies focus on raw material traceability, batch consistency, and residual analysis in compliance with local and global agrochemical standards. Operators fine-tune input ratios to limit byproduct formation and optimize technical concentrate purity, as residue profiles affect product registration dossiers and final safety margins.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • OECD Guidelines for the Testing of Chemicals
    • China GB Standards for Pesticide Actives
    • REACH Regulation (EC) No 1907/2006

    Typical usage ratio

    • Typically 3–8% by total batch mass in active ingredient synthesis; dosage depends on molecular target and process yield optimization.

    Downstream process integration

    • Added to the initial synthesis reactor during condensation or substitution; subsequent stages include refining, separation, and formulation into technical concentrate.

    Final product types

    • Herbicide technical concentrates
    • Fungicide actives
    • Insecticidal ingredient intermediates

    3. Fragrance and Flavor Synthesis for Food Ingredients

    The specialty flavor industry employs pyrazinecarbonitrile in the construction of aroma compounds, imparting roasted, nutty, or dry notes. Only food-grade material with trace-level impurity control is accepted, and end-use application must align with regional food additive approvals. Synthesis typically involves controlled hydrogenation and functionalization steps where formulation scientists regulate usage to remain within legal exposure limits. All operations ensure trace impurity removal through distillation and filtration to pass organoleptic and toxicological assessments.

    Industry compliance standards

    • FCC (Food Chemicals Codex)
    • US FDA 21 CFR §172 (Food Additives Permitted for Direct Addition to Food)
    • EU Regulation (EC) No 1334/2008 on Flavourings
    • JECFA Monographs for Flavoring Agents

    Typical usage ratio

    • 0.01–0.2% by weight in formulation batches; level varies by target sensory profile and regional additive restrictions.

    Downstream process integration

    • Feeds directly into hydrogenation reactors for construction of substituted pyrazine aromas; followed by purification and blending into liquid or encapsulated flavor bases.

    Final product types

    • Concentrated flavor bases for prepared food
    • Bakery and confectionery aroma blends
    • Processed food seasoning agents

    4. Fine Chemicals for Electronic Materials

    Advanced materials manufacturers integrate pyrazinecarbonitrile for the fabrication of specialist ligands and dopants used in organic electronic components. Precision is critical since electrical quality and photo-stability of resulting chemicals depend on impurity profile and molecular uniformity. Each batch undergoes ICP-MS and HPLC QC checks before use in monomer synthesis lines. Adherence to sector-specific raw material protocols and documentation ensures performance reliability in high-value electronic applications.

    Industry compliance standards

    • JEITA Technical Standards (Japan Electronics and Information Technology Industries Association)
    • IEC 61249 for materials in electronics
    • ISO 9001:2015 for quality management in specialty chemicals
    • RoHS Directive (2011/65/EU) for hazardous substance restrictions

    Typical usage ratio

    • Loading at 1–5% by mass in ligand precursor lines; adjusted according to electronic grade purity requirements and downstream functional test data.

    Downstream process integration

    • Supplied as an intermediate to ligand and dopant synthesis tanks; introduced prior to purification and controlled precipitation for integration into OLED and photoresist product assembly lines.

    Final product types

    • OLED functional material precursors
    • Photoresist additives
    • Electronic circuit-grade fine chemicals

    5. Specialty Dye and Pigment Manufacture

    In the production of advanced dyes, pyrazinecarbonitrile facilitates the construction of stable chromophore frameworks that deliver distinct colorfastness in high-performance pigments. Entering during early condensation synthesis, the material’s quality and batch consistency influence tone reproducibility, light fastness, and migration resistance. Operators follow sector-defined analytical protocols and manage input loading by specific color target and conversion yield. Downstream processing steps such as isolation, washing, and milling precede pigment formulation and dispersion into final products for textile or polymer coloration.

    Industry compliance standards

    • REACH Registration for dye chemicals
    • ISO 105 Standards for colorfastness testing
    • OEKO-TEX® Standard 100 for hazardous substance limits in textiles
    • ETAD (Ecological and Toxicological Association of Dyes and Organic Pigments Manufacturers) Code of Practice

    Typical usage ratio

    • Used at 2–7% of total reactants mass depending on dye chemistry, chromophore complexity, and color intensity requirements.

    Downstream process integration

    • Feeds into stepwise condensation and cyclization reactors; crude dye then passes through multi-stage purification and micronization before pigment grade classification.

    Final product types

    • Textile dyes for polyester and polyamide fibers
    • Organic pigments for plastics and coatings
    • Special effect colorants for inkjet inks
    Free Quote

    Competitive Pyrazinecarbonitrile 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

    Pyrazinecarbonitrile: A Closer Look from the Production Floor

    Introduction to Pyrazinecarbonitrile

    Years of experience in synthesizing and handling specialty heterocyclic compounds shape the way we see pyrazinecarbonitrile. Operating reactors and purification units each day, we work close to the action, and that means every lot speaks for itself through purity, performance, and consistency. Our team knows every fluctuation in batch temperature, every subtlety in crystal behavior, and every adjustment necessary along the process. So, introducing pyrazinecarbonitrile from the perspective of those who rely on its reliable quality for downstream success feels not just right—it feels necessary.

    What We Make: Pyrazinecarbonitrile Defined

    This molecule bears the structure of a pyrazine ring substituted with a nitrile group. It’s more than a formula—each batch comes together through our refining of reaction routes, downstream workups, and attention to isolating and drying every lot with a focus on minimizing impurities. Production technicians spend as much time calibrating solvent ratios as they do verifying crystal forms, because even slight deviations can mean problems in customer applications down the line.

    The product leaves our factory as a pale solid, expertly packaged in air-tight containers that block moisture and light, which have shown themselves to be the main culprits in stability loss during transport. Many buyers care most about nitrogen content, side-product formation, and the presence or absence of halogen contamination. Our specifications sit comfortably within the industry-accepted range, reflecting not only what the industry demands, but also what long internal tests have made us expect from ourselves.

    Why Purity and Batch Consistency Matter

    People sometimes overlook the value of batch-to-batch repeatability until trouble hits in scale-up or a pilot run falters. Lab lots tend to be small, with manageable deviations, but push the scale to a few hundred kilos and that’s when you see how much hidden variables—heating rates, filtration completeness, even the vacuum tightness—can make or break downstream reactions. Years ago, we saw a customer’s process stall because a competitor’s batch contained off-spec isomers; that cemented our focus. Now, part of our daily checklist involves running liquid chromatography profiles on every lot, comparing peaks instead of just numbers, so what leaves our site delivers every time.

    Application Insights from the Factory Team

    From conversations with formulators and technical staff at client sites, we’ve learned exactly where our product ends up: pharmaceutical intermediates, specialty dyestuff, and even advanced agrochemical building blocks. The chemistry behind each one is demanding. Pyrazinecarbonitrile enters multi-step syntheses where unintended byproducts translate quickly to lost time and wasted material in further transformations. Operators on our line see the actual impact of batch reliability—not just for their safety but for the end users' own efficiency in solvent recovery, yield optimization, and final product clarity.

    It’s not unusual to hear frustration from chemists who have tried cutting corners with generic or off-brand material, only to find poor solubility or erratic reactivity. Our regulars know that sourcing directly from a manufacturer means traceability back to raw materials procurement, quality check logs, and even the decision-making records behind lot release. This isn’t about paperwork; it’s about making sure every downstream reaction meets technical targets without surprises.

    What Sets Manufacturing Apart from Trading Houses and Distributors

    We see every stage of production firsthand. Where a distributor offers stock and basic spec sheets, our experience goes well beneath the surface. Staff rotate between reactor setup, analytical control, and maintenance checks; the person packing the final drum probably helped tune the vacuum-drying oven during maintenance season last year. Through this kind of hands-on involvement, we intercept issues before they reach a warehouse or the customer, whether that means filtering out traces of unconverted starting materials or detecting off-odors telling us a particular solvent batch failed during the last distillation run.

    Unlike resellers, who simply pass along drum numbers, we stand behind the manufacturing logbooks, in-house retention samples, and archive vials should any customer need a re-check down the road. If someone raises a complaint about a slight color shift, our plant operators pull historic records, crosscheck the process parameters, and often trace the cause right back to a change in cooling rates or pH adjustment during a critical phase. If the deviation is repeatable, we rewrite the process protocol and train everyone who touches the system. This practical approach makes every lot a lesson, both in what works and what doesn’t, and the customer benefits with real transparency.

    Specification Dialogues Shaped by Real-World Demands

    No single customer defines our product specs. Before we even updated our internal requirements, we sent samples out to chemists running different processes: oxidative cyclizations, metal-catalyzed couplings, and halogenations. They came back with feedback—some needed stricter residue control, while others prioritized absence of amine side-products. Rather than locking ourselves into a fixed number, we adapted purification steps over time. Water content, for example, dropped after we saw an uptick in hydrolysis complaints from one class of synthetic users. Isomeric purity—especially concerning methyl and amidine analogs—wound up mattering most for pharmaceutical developers, so our final crystallization and solvent stripping were tuned accordingly.

    Our specifications today address these voices: purity frequently tops 99 percent by HPLC, with metal and halide residues tracked down to sub-ppm levels through ICP-MS and specialized detectors. The specification sheets reflect actual process controls and continuous guidance from end users, rather than a theoretical best-case output. Each time a new application trend emerges, whether that’s high-throughput screening or greener synthesis routes, our QC lab works with process chemists to analyze whether traditional specs still hold.

    Safety, Handling, and Environmental Perspectives

    Working in chemical manufacturing shapes a respect for both efficiency and safety. Pyrazinecarbonitrile may seem straightforward—a solid at room temperature, stable under standard lab or plant conditions—but its nitrile group warrants careful handling. Our workers know that dusty or uncontrolled environments can build up static or off-gassing far faster than you might expect. We rely on locally exhausted drying lines and personal protective gear for every batch handled. Over the years, implementing low-dust transfer stations and enclosed weighing booths significantly improved not just operator safety but also reduced material loss during drum filling, which in turn leaves less waste to manage.

    Regulatory bodies keep increasing expectations on environmental impact. By redesigning our solvent recovery and wastewater treatment, the last five years have brought meaningful reductions in volatile organics released to the environment. Most of that progress comes not from sudden leaps, but the daily work of tracking where process solvents go, where wash cycles can be shortened, and how we can reuse spent washes without affecting next-step purity. These changes have been noticed by larger partners under audit—process transparency has value beyond just compliance; it builds long-term trust. On-site, our team knows their contributions prevent costly fines and, more importantly, keep the neighbors confident in our commitment.

    Process Adaptations and Lessons from the Floor

    Experience shows that even the best-written procedures need constant checking against realities on the shop floor. Making pyrazinecarbonitrile is not a simple one-pot operation. Reaction times, pH control, agitation rates, crystallization temperatures—change even one of these, and you get side-products, dusty fines, or lower yields. Operators and lab staff talk regularly, walking through observations at the end of every lot: whether there was unexpected foaming, a color shift, or filter clogging, and what could be done better next time. We catalog these details, update our logs, and shift schedules as needed. If a new route promises less waste, we don’t just read about it; we run it at bench scale, escalating only once the properties match or beat the current lot.

    Quality never stops evolving. Years ago, a persistent complaint on slow dissolution in certain solvents led us to double-grind lots after initial drying, shifting the particle size distribution so that even viscous applications—like ink dispersions—absorbed our material without leaving residues. Some customers press for even lower impurity thresholds depending on their downstream synthetic steps. Rather than say no, we invest in additional recrystallization or filtration runs and communicate what timeframes or trade-offs may result. Sometimes this adds an extra shift to the schedule, but the improved results flow back: yields rise, waste falls, and our partners come back for repeat orders because the material performs out-of-the-box.

    Comparing Pyrazinecarbonitrile to Other Related Compounds

    Our plant also handles related heterocyclic intermediates and nitrile-based compounds, giving us a first-hand feel for both similarities and critical differences. For instance, pyrazinonitriles and methylpyrazinecarboxylates behave quite differently in crystallization and drying, with the latter tending to form tacky residues that complicate packaging compared to the relatively free-flowing solid of pyrazinecarbonitrile. Handling experience shows that customers who switched between these classes reported stark differences in downstream product formation, particularly in coupling reactions where residual amines or carboxylate anions suppressed yields.

    Another frequent discussion involves substitution pattern. Compounds with extra methyl, ethyl, or halogen groups on the pyrazine ring diverge in boiling point, solubility, and, ultimately, in their reactivity profiles. From our technical notes, those needing reliable, high-purity input for oxidative or palladium-catalyzed cross-coupling syntheses tend to stick to pyrazinecarbonitrile for its cleaner, higher-yield conversions and easier work-up. This ultimately supports more robust process development—or, as customers say, “less troubleshooting, more throughput.”

    Sourcing Direct from the Factory: Real-World Consequences

    Chemical development and scale-up work at a pace where unpredictability means cost overruns and missed milestones. Distributors offer market breadth, but rarely the depth needed to address short-term issues, process deviations, or quick-turn modifications. Our direct approach allows not only for specification modification—particle size, water content, custom packaging—but also the reassurance of transparency over every run completed. We have physically retraced process steps in response to customer complaints, uncovering subtle issues (like trace acid residues from inefficient neutralization) and fixing them in the next batch run.

    Quality and technical support are not afterthoughts. They come from operations people who live through the daily increments of process improvement. If a customer asks about a new packaging requirement or raises issues with moisture pick-up during transport, our shipping and QC staff gather data from retained samples to diagnose whether the problem lies with inner liner choice, batch drying times, or even humidity during palletizing. That investigation, direct and practical, only happens with strong in-house manufacturing. We share know-how on everything from optimal storage to reclaiming spent material and preventing cross-contamination, and that mutual trust builds not from generic datasheets, but from the actual people involved.

    Outlook on Future Demands and Industry Trends

    Modern synthetic chemistry continues to press manufacturers toward tighter impurity thresholds, sustainability improvements, and more efficient reaction pathways. Pyrazinecarbonitrile stands out in this environment because it provides a stable, versatile building block while holding up to these increased demands. With advances in biotechnology and pharmaceuticals, requirements shift unpredictably—and often rapidly. In our daily reality, agility comes not from outsourcing every step, but from building deep familiarity with both our process and the chemistry itself.

    Clients working in early-stage development push for even more detailed impurity targeting, particularly as trace contaminants can threaten sensitive catalytic reactions. Our team collaborates directly with these innovators to refine not just bulk properties, but minute details like the adduct profile, shelf-life under fluctuating climates, and the color stability of the finished product. Each feedback loop leads us to more stringent control points, more robust analytics, and ultimately, quicker troubleshooting if any issues arise under real operating conditions.

    A growing area of interest centers around sustainable practices—not just for compliance, but as a core part of customer selection. We’ve invested in improved waste recovery, solvent minimization, and energy tracking, all of which feed back to product stability, reliability, and lifecycle carbon footprint. These aren’t marketing trends for us; on-site, they translate into cost savings, improved worker morale, and regulatory leniency, all while supporting customer needs for documentation during audits or environmental submissions.

    Direct Experience: Meeting Unique Customer Challenges

    Every request tells its own story. Recently, a pharmaceutical developer contacted us with tight timeline constraints for a pilot that required low-residue, low-water pyrazinecarbonitrile. Our technicians fast-tracked the production slot, pushing for additional Karl Fischer water checks and conducting parallel drying just to hit the exacting requirements. The batch moved out within days, and the customer’s synthesis ran smoothly, saving further investment phases from costly repeats. Another client needed tailored drum sizes for better process feeds—our team switched packaging formats, adapted handling lines, and documented every step so the next order would be seamless.

    These stories are common. Whether it’s adjusting metal content for fine catalyst applications, dropping particle size to improve flow during automated dispensing, or responding overnight to moisture pickup in a long transit, our experience comes from seeing problems before they become setbacks. Feedback matters—daily conversations with operators, chemists, and packaging staff shape the next run, feeding practical innovation back into both our process and those of our customers.

    Conclusion: Reliability from Hands-On Manufacturing

    Pyrazinecarbonitrile isn’t just another product to us; it represents a culmination of real-world adaptation, continual improvement, and honest oversight. By keeping production, testing, and packaging under one roof, our team ensures not only technical performance but also responsive service for nuanced and shifting industry needs. Every kilogram reflects the hands-on vigilance, lessons from setbacks, and dialogue with chemists and process engineers seeking more than just base compliance. Clean reactions, secure formulation, and transparent sourcing come from real people committed to pushing the benchmark higher each time.