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3-Amino-4-Fluorobenzonitrile

    • Product Name 3-Amino-4-Fluorobenzonitrile
    • Alias 3-Amino-4-fluorobenzene-1-carbonitrile
    • Einecs 629-020-7
    • 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

    522744

    Chemical Name 3-Amino-4-Fluorobenzonitrile
    Cas Number 208360-13-2
    Molecular Formula C7H5FN2
    Molecular Weight 136.13 g/mol
    Appearance Off-white to yellowish solid
    Melting Point 72-76°C
    Purity Typically ≥98%
    Solubility Soluble in organic solvents like DMSO, DMF
    Smiles C1=CC(=C(C=C1F)C#N)N
    Inchi InChI=1S/C7H5FN2/c8-6-2-1-5(10)4-7(6)3-9/h1-2,4H,10H2

    As an accredited 3-Amino-4-Fluorobenzonitrile factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging is a sealed, amber glass bottle containing 100 grams of 3-Amino-4-Fluorobenzonitrile, labeled with safety and handling information.
    Shipping 3-Amino-4-Fluorobenzonitrile is shipped in tightly sealed containers, protected from moisture and light, following standard chemical transport regulations. Proper labeling and documentation ensure compliance with hazardous material guidelines. During transit, the chemical is handled by trained personnel to prevent leaks or exposure, ensuring safe delivery to the destination.
    Storage 3-Amino-4-Fluorobenzonitrile should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizing agents and acids. Protect from moisture and direct sunlight. Handle with appropriate protective equipment and avoid generating dust. Store at room temperature and ensure labeling is clear to prevent accidental misuse.
    Application of 3-Amino-4-Fluorobenzonitrile

    Applications of 3-Amino-4-Fluorobenzonitrile in Industrial Manufacturing

    As the original manufacturer of 3-Amino-4-Fluorobenzonitrile, we supply this critical intermediate for specialized synthesis across pharmaceutical, agrochemical, and advanced material production. The following application highlights reflect proven industry use by downstream manufacturers under stringent global regulatory frameworks, with a focus on actual process integration, dosage control, and commercialized product outcomes.

    1. Pharmaceutical API Synthesis (Fluorinated Anticancer Agents)

    This intermediate supports medicinal chemistry routes for fluorinated oncology actives, entering multi-step heterocycle assembly. Downstream partners use it for introducing a fluoro-aminobenzonitrile motif found in several clinical-stage molecules. The consistent purity and batch reproducibility are critical to meet the narrow tolerance windows of cGMP-regulated pharma processes.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • US FDA 21 CFR Part 210/211 (Drug Product GMP)
    • EU GMP Part II (APIs)
    • USP/EP monographs (for APIs containing fluorobenzonitrile backbone)

    Typical usage ratio

    • 0.8–1.5 molar equivalent relative to main heterocycle precursor; adjustment based on desired substitution yield and downstream yield maximization.

    Downstream process integration

    • Added in the nucleophilic aromatic substitution stage where integration of fluorine and amino groups is necessary; typically charged to the reactor after solvent charging and before catalytic or base addition.

    Final product types

    • Targeted small-molecule anti-tumor actives (e.g., kinase inhibitors, antimetabolites)
    • Clinical trial substance batches for regulatory submissions
    • Commercial pharmaceutical APIs with aryl fluoride structures

    2. Crop Protection Chemical Building Block (Selective Herbicides)

    Agricultural chemistry R&D teams incorporate this compound as a core aromatic fragment in fluoro-containing herbicide development, leveraging selective reactivity patterns for enhanced weed control agents. Its defined reactivity supports downstream functionalization steps, which require strict regulatory traceability and impurity management.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • China GB 2763-2021 Maximum Residue Limits for Pesticides
    • REACH registration (EC 1907/2006; intermediates)
    • OECD Good Laboratory Practice (for residue studies)

    Typical usage ratio

    • 10–20% w/w in key intermediate synthesis; final active incorporation depends on target herbicide class—structure-activity optimization may shift ratio within this range.

    Downstream process integration

    • Charged during acylation or aryl substitution steps in the preparation of functionalized phenyl or heteroaryl rings, prior to final esterification or sulfonylation steps.

    Final product types

    • Post-emergence selective herbicide actives
    • Intermediate concentrates for further upgrading to formulation-ready technical materials
    • Granular and liquid weed control end-products

    3. Advanced Material Intermediates (Electronic Specialty Chemicals)

    Manufacturers in electronic chemicals integrate 3-Amino-4-Fluorobenzonitrile to build high-purity materials for specialty polymer backbones and display technology dyes. The tight control of metal and halide residues is essential, as products must pass stringent reliability tests for semiconductor, OLED, and photoresist applications.

    Industry compliance standards

    • IEC 62474 (Material Declaration for Electronic Industry)
    • RoHS 3 (2015/863 EU Restrictions for Hazardous Substances)
    • ISO 9001:2015 (Quality Management for Advanced Materials)
    • OEM-specific QC protocols for impurity profiling

    Typical usage ratio

    • 1–5% by mass in copolymer or dye intermediate synthesis; dosage determined experimentally for target chromophore or structural rigidity requirements.

    Downstream process integration

    • Fed into condensation polymerizations or diazotization reactions prior to functional dye coupling; sequence depends on desired substitution pattern and molecular weight control.

    Final product types

    • Fluorinated specialty polymers (for flexible circuits)
    • Photoresist sensitizers and developers
    • OLED (organic light-emitting diode) emissive layers
    • LCD dye and pigment systems

    4. Pharmaceutical Impurity Reference Standards

    Reference standard producers utilize this compound for synthesizing key impurity markers required in regulatory analytical validation programs. These materials validate detection and quantification methods of trace isomers and byproducts in commercial drug substance manufacturing, supporting pharmacopeial compliance and batch release.

    Industry compliance standards

    • USP <797>, <800> (Handling and Testing of Reference Standards)
    • ICH Q3A/B (Impurities in New Drug Substances)
    • Ph. Eur. 5.10 (Reference Standards)
    • WHO Technical Report Series for Reference Standards

    Typical usage ratio

    • Typically 0.05–0.5% by mass relative to primary batch for spiking studies; content validated using HPLC or GC per compendial method and adjusted as per LOD/LOQ requirements.

    Downstream process integration

    • Reacted as a side-product isolation standard in pilot plant runs or synthesized specifically in controlled impurity batches, followed by purification to reference standard grade.

    Final product types

    • Certified impurity markers for analytical labs
    • Regulatory submission supporting materials for global markets
    • Reference standards for pharma QC and stability testing
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    Certification & Compliance
    More Introduction

    Introducing 3-Amino-4-Fluorobenzonitrile: Our Perspective as a Chemical Manufacturer

    What Makes 3-Amino-4-Fluorobenzonitrile Worth Attention

    Day-to-day in a chemical plant, the tiniest changes in molecular structure drive the biggest shifts in performance. 3-Amino-4-Fluorobenzonitrile presents a precise arrangement of functionality: an amino group at the third position, a fluorine atom at the fourth, and a nitrile group anchoring the ring. Over the years, our production lines have turned out a broad catalog of substituted benzonitriles, but the 3-amino-4-fluoro substitution pattern stands out by shaping a compound valued in API intermediate work, dyes, and specialty material applications.

    Chemical research circles know these subtle changes shape routes for further transformation: in this molecule, the amino and fluoro groups don’t simply add to versatility, they open doors for specific nucleophilic aromatic substitution reactions and carry through the synthetic process with fewer side products. Our plant operations have confirmed what the reaction yields suggest—the configuration delivers not just on purity, but on reliability across a variety of downstream uses.

    Model, Specifications, and Practical Choices

    We produce 3-Amino-4-Fluorobenzonitrile under model 3A4FB-99, a label born of routine, not marketing. Every batch follows established protocols: crystallization controls, reagent purity, and temperature management. In our experience, the final product emerges as an off-white to light tan crystalline powder. Purity usually exceeds 99.0% by HPLC and GC, with residual solvents and moisture tightly restricted. Particle size remains consistent to support easy handling in kilo-scale or multi-ton lots.

    Quality teams scan for common contaminants such as ortho- or para-isomers, which can tack on separation headaches downstream. Customers—especially in pharmaceutical manufacturing—flag issues the minute they see extra spots on a chromatogram. By investing in repeat batch analytics and thorough documentation, we stand behind clarity in each shipment. From our vantage point on the shop floor, the standard gives peace of mind: less troubleshooting, fewer deviations, and more predictable results on the customer’s end.

    Shaping Outcomes for Organic Synthesis and Research

    Chemists in drug discovery, pigment formulation, and agricultural intermediates ask about 3-Amino-4-Fluorobenzonitrile because it builds efficient bridges into new molecules. Fluorinated aromatics hold special appeal—fluorine's presence often improves metabolic stability or boosts performance in crop protection agents. The amino group, positioned meta to fluorine, heightens reactivity in cross-coupling, cyclization, and heterocycle formation.

    Each year, we support programs aiming at next-generation pharmaceuticals, veterinary agents, or advanced polymers. Among all the benzonitriles we’ve handled, this one gives a sweet spot: diverse substitution reactivity without the increased riskiness found in more heavily halogenated rings. The purity and consistent reactivity mean synthetic routes can run with fewer purification steps, less loss, and a more focused hunt for the desired product.

    Comparing to Other Benzonitrile Variants

    Molecules like 2-Amino-4-Fluorobenzonitrile and 4-Amino-2-Fluorobenzonitrile share structural neighborhoods with 3-Amino-4-Fluorobenzonitrile. Some customers come with questions—what shifts with the amino and fluoro positions? Our process insights show that slight variations—moving the amino from meta to ortho—prompt dramatic changes in chemical reactivity. With 3-amino substitution, the ring maintains stability and enhances the electrophilic character of the nitrile, supporting higher conversions in amide formation and palladium-catalyzed reactions.

    As a direct manufacturer, we see raw data confirming these differences: process yields rise or fall based on isomer, and downstream impurities change. It’s tempting to see all substituted benzonitriles as interchangeable, but our equipment readings and reaction logs disagree. For 3-Amino-4-Fluorobenzonitrile, crystallinity, melting point, and moisture stability combine for easier handling in bulk, while related isomers may clump or deliquesce.

    Daily Production Challenges and How We Address Them

    Turning out high-grade aromatic intermediates means grappling with consistency and scale-up. The process for 3-Amino-4-Fluorobenzonitrile involves clever balancing: reaction temperature impacts isomer ratios, and solvent removal can drag unexpected impurities from the bulk. We’ve found that small batch trials rarely surface the obstacles seen at metric ton levels. Solubility, for instance, may suit laboratory scale but trigger unexpected precipitation or filter clogging in a reactor load a hundred times larger.

    Our response draws on experience, not guesswork. Modifying crystallization rates or adjusting filtrate volumes prevents pitfalls before they become reprocessing headaches. Routine in-process analytics tell the staff on shift when a batch edges out of target purity so corrections can be made on the fly. Downstream, our drying controls focus on both speed and thoroughness, protecting the powdery texture customers expect.

    The Route from Reactor to Drum

    Packing and storing 3-Amino-4-Fluorobenzonitrile present their own challenges. Sensitive active groups can react if left exposed to moisture or reactive atmospheres. The solution grows from years of handling similar nitrile aromatics: inert gas blanketing, moisture-barrier liners, and careful monitoring on the loading dock. Our warehouse crew understands the consequence of a stray drum left open—even a brief exposure to high humidity can result in clumping, affecting dosing precision on the user’s end.

    We see less product loss and fewer customer complaints by investing in appropriate storage practices, not skimping on drum quality, and rotating lots to align with real-world shelf life, not the idealized version. The organic synthesis sector rewards these choices: they see consistent results, respond with repeat orders, and ask for insight when developing new molecules.

    Perspectives from Long-Term Customers

    Customers who rely on us for this product tend to stay with us over the years. Some have switched after discovering inconsistent quality in benzonitriles of uncertain origin. Their feedback guides improvements: sampling processes, particle size variation, and impurity reduction. Most buyers engaging in regulated industry segments—especially pharmaceuticals and crop protection chemicals—push for audits and hands-on site visits. We support these reviews; transparency supports trust.

    From time to time, researchers ask for custom modifications—altered impurity ranges, particle size stretches, or even specific packaging configurations. Working directly with the people who put our 3-Amino-4-Fluorobenzonitrile into their process lines gives us early warning if an unforeseen issue threatens production. The most fruitful collaborations blend our large-scale perspective and their lab-side details, building routes to medicines, dyes, and specialty chemicals without overpromising what the molecule can offer.

    Regulatory and Documentation Demands: Meeting More Than Minimums

    The regulatory climate for aromatic nitriles tightens each year, especially where health and environmental endpoints are concerned. Each lot of 3-Amino-4-Fluorobenzonitrile leaves our plant backed by detailed batch records, complete traceability, and compositional certificates. Many customers value that we base these documents on in-house assay data drawn from batch samples, not generic templates. Regulatory authorities may request impurity profiles or stability data months after delivery; we archive the necessary information, keeping records for required periods and supplying them on request.

    Manufacturers who shortcut analytical investment face headaches when customers uncover unexpected impurities. Our lab teams run each batch for nitrosamine presence, heavy metals, and halide ions, even when regulations have yet to specify targets. Protecting worker safety and supporting downstream validation work is simply prudent manufacturing—not a favor.

    Adaptability of 3-Amino-4-Fluorobenzonitrile in the Value Chain

    The versatility of this compound matters as much to formulators as to bench chemists. Its structure invites integration into pyridine-fused heterocycles or as a coupling partner in amide construction. Researchers who build on our product cite improved yields and fewer side reactions in their published work, crediting the reliability of our starting material. In practice, our customers appreciate not needing to troubleshoot for unexpected trace contaminants, letting them focus on process optimization.

    From polymer chemistry to targeted agrochemical development, the balance of nucleophilicity and electron-withdrawing character in this molecule supports diverse routes in a single product. Flexible, but not arbitrary—its strength lies in predictability. As a producer, we find that accurate communication about these strengths and limits sets up fair expectations and fosters new applications. We avoid overselling its role, focusing on real-world feedback and problem-solving.

    Sustainability and Next Steps in Manufacturing

    Growing pressure for sustainable chemistry touches all aspects of production, including 3-Amino-4-Fluorobenzonitrile. We’ve invested in process optimization to cut solvent loading, reduce hazardous waste, and implement closed-loop recycling for critical reagents. In recent years, energy monitoring systems in the plant have flagged opportunities to recover heat or streamline agitation cycles, saving both cost and emissions.

    Customers increasingly ask about carbon footprint and lifecycle assessments. Clear answers depend on detailed records—from raw materials sourcing to final drum shipment. By tackling these issues proactively, we’ve seen not just improved compliance, but also stronger customer loyalty. Sustainability measures, once a solution to regulatory pressure, now play an active role in decision-making and process innovation.

    Worker Safety and Site Expertise

    Producing aromatic intermediates involves daily attention to safe handling. Our lead operators come with years of experience and know the warning signs of a runaway reaction or filter plug before alarms sound. Process safety audits drive continuous tweaks: improving ventilation, rotating shifts to minimize exposure, and keeping training current. Practical site-tested safety measures keep both people and product safer.

    Visitors sometimes ask why our protocols specify redundant checks for temperature and pressure at key steps. The answer comes from hard-learned lessons: even established reactions, under the wrong conditions, can get out of control. Building a margin of extra safety keeps everything on track—no batch, no matter how valuable, is worth risking personnel or plant stability.

    Changes in Supply Chain Resilience Post-2020

    The past few years upended global supply chains. We saw logistical snarls, inconsistent raw material availability, and surges in shipping costs. Our response meant increased investment in inventory buffers for key reagents and closer tracking of global trends in aromatic amine and halide supply. As a tight-knit manufacturing operation, we could respond by redeploying staff and equipment to sustain output for our customers, even as others waited weeks for fulfillment.

    In turn, downstream producers—those with plant schedules riding on regular deliveries—benefit from timely and reliable arrivals. Improvements in site-level forecasting and proactive customer updates emerged as a necessity, not a luxury. Our administrative and technical teams communicate to keep planning realistic, helping align laboratory, pilot, and commercial production.

    Research Partnerships and Longer-Term Outlook

    Some of our best process improvements came from working beside customers during their troubleshooting stages. Pharmaceutical innovators often seek modifications—desolvation improvements, tailored reactivity windows, or alternate packaging forms. We supply kilogram trial samples and welcome feedback, testing changes in real-world settings. Partnerships built this way aren’t just transactional; they build a cycle of technical exchange and mutual improvement.

    Looking ahead, advances in synthetic methods—like continuous flow chemistry—promise smoother, greener batch production for aromatic intermediates. We track these trends with pilot-scale experimentation and material testing, seeing what translates into robust industrial processes. Only by adapting to both technology shifts and feedback from formulators can we maintain leadership in benzonitrile manufacturing.

    The Value of Direct Manufacturing Experience

    In a landscape crowded with resellers and trading houses, direct manufacturers bring an understanding that goes beyond posted purity grades. We receive raw shipment feedback, handle every deviation as it arises, and invest in equipment maintenance so that the next lot measures up. The closer coupling of plant and quality teams means adjustments happen promptly, before minor discrepancies disrupt downstream processes.

    As each year unfolds, the importance of rigorous, honest data grows. We base claims for 3-Amino-4-Fluorobenzonitrile performance on years of production runs, customer return rates, and analytical results. Where problems recur, we sort them at source—not with workarounds, but with root-cause investigation and cross-departmental fixes. Lessons learned from one aromatic’s bottleneck can often streamline another’s process, so improvements compound across the product line.

    Meeting Market Expectations in a Demanding Field

    As a producer, we see behind the curtain: molecule by molecule, drum by drum. Each batch stamped with our mark reflects choices at every stage—from substrate sourcing to blending and packaging. Fact-based stewardship, detailed measurement, and customer-first troubleshooting keep our products competitive in a world that expects punctuality, purity, and performance. With 3-Amino-4-Fluorobenzonitrile, the combination of chemistry know-how, equipment investment, and process control ensures we aren’t chasing perfection, but continuously driving toward consistent reliability.

    Whether this aromatic intermediate ends up at the heart of a new pharmaceutical, a pigment blend, or a specialty chemical, our commitment as a direct manufacturer centers on real-world results, not sales claims. As chemistry and market demands evolve, so does the way we produce, measure, and deliver. The strength of 3-Amino-4-Fluorobenzonitrile arises not just from its formula, but from the collective expertise that shapes every shipment leaving our gates.