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HS Code |
968781 |
| Cas Number | 328-74-5 |
| Molecular Formula | C7H2FN2O2 |
| Molecular Weight | 166.10 g/mol |
| Iupac Name | 5-fluoro-2-nitrobenzonitrile |
| Appearance | Yellow to light brown solid |
| Melting Point | 66-69 °C |
| Density | 1.46 g/cm³ (estimated) |
| Solubility In Water | Insoluble |
| Smiles | C1=CC(=C(C=C1F)C#N)[N+](=O)[O-] |
| Inchi | InChI=1S/C7H2FN2O2/c8-6-2-1-5(4-9)7(3-6)10(11)12/h1-3H |
As an accredited 5-Fluoro-2-Nitrobenzonitrile factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 5-Fluoro-2-Nitrobenzonitrile (25g) is packaged in a sealed amber glass bottle with a tamper-evident cap and hazard labeling. |
| Shipping | 5-Fluoro-2-Nitrobenzonitrile is shipped in tightly sealed containers to prevent moisture and contamination. The chemical is packed in accordance with local and international regulations, clearly labeled with hazard information. Transportation usually requires temperature control, limited exposure to light, and handling by trained personnel due to its potentially hazardous nature. |
| Storage | 5-Fluoro-2-nitrobenzonitrile should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from sources of heat, sparks, and direct sunlight. Avoid storage near incompatible materials such as strong oxidizing agents or bases. Proper labeling and secure storage are essential to prevent accidental exposure, moisture ingress, and contamination. Always follow standard chemical storage protocols. |
Applications of 5-Fluoro-2-Nitrobenzonitrile in Industrial ManufacturingAs a direct producer of 5-Fluoro-2-Nitrobenzonitrile, we supply pharmaceutical and specialty chemical manufacturers with high-purity intermediates. Our product integrates into advanced synthesis lines for pharmaceuticals, crop protection chemicals, dyes, and liquid crystals, each governed by stringent industry-specific protocols and technical requirements. 1. Active Pharmaceutical Ingredient (API) Intermediate Synthesis5-Fluoro-2-Nitrobenzonitrile functions as a key fluorinated aromatic nitrile in the preparation of several API intermediates for oncology, antiviral, and central nervous system treatments. Medicinal chemists employ it in nucleophilic substitution and selective reduction reactions under strictly controlled conditions, due to its strong electron-withdrawing functional groups and high reactivity. These attributes enable targeted modifications of core molecular scaffolds, essential for subsequent synthetic steps. Raw material traceability and impurity profiling remain critical throughout production to meet regulatory expectations. Contract manufacturing customers frequently specify batch-specific analytical criteria based on intended regulatory filings. Industry compliance standards
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2. Agrochemical Intermediate ProductionAgrochemical manufacturers utilize 5-Fluoro-2-Nitrobenzonitrile for constructing fluorinated aromatic rings in new-generation herbicides and fungicides. Its high fluorination introduces specific steric and electronic effects into the target molecule, increasing crop selectivity and degradation resistance. Downstream processors often convert the material via catalytic reduction or amination before further derivatization. Usage volumes depend on the targeted molecular backbone and production campaign size. Continuous flow reactors and strict environmental controls prevent by-product formation and facilitate downstream separation. All raw material batches require compliance with pesticide manufacturing quality requirements and must be traceable to meet global registration dossier needs. Industry compliance standards
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3. Specialty Dye and Pigment SynthesisManufacturers of specialty dyes and pigments select 5-Fluoro-2-Nitrobenzonitrile for fine-tuning colorant structures, particularly in applications demanding enhanced chemical stability and specific spectral properties. The nitro and fluoro substituents introduce both electron withdrawing effects and photostability, essential for high-end inkjet, laser printing, and specialty textile colors. Production involves diazotization, coupling, or reduction reactions, followed by chromatographic purification steps to achieve precise hue and purity controls required by industrial ink formulation standards. Product traceability and minimal residual heavy metals or organics are mandatory for high-quality pigment dispersions. Industry compliance standards
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4. Liquid Crystal Material ProductionProducers of advanced display materials incorporate 5-Fluoro-2-Nitrobenzonitrile for the construction of key mesogenic units in liquid crystal (LC) compounds, widely used in high-contrast LCD panels and precision optical devices. The nitro and fluoro groups allow for molecular polarity and transition temperature adjustments within the final LC mixture. Manufacturers subject incoming raw material to rigorous purity and contamination checks as LCD-grade requirements are stringent, especially for electronics applications. Downstream processing typically includes multi-step synthesis involving reduction, coupling, and cyclization sequences, all under cleanroom or controlled environment conditions to avoid contaminants affecting LC alignment and response times. Industry compliance standards
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Each day, our production team measures out drum after drum of 5-Fluoro-2-Nitrobenzonitrile, an aromatic chemical frontlining many advanced syntheses. In our chemical world, the formula C7H3FN2O2 turns heads for a reason. This compound stands out for the unique pairing of a fluorine atom and nitro group on the benzene ring, supported with a nitrile across the structure. No textbook exercise beats the real thing—watching the first crystals form during our cooling step brings the process to life.
Chemists searching for intermediates that reliably carry both electron-withdrawing power and reactivity often end up asking about this compound. In our years of handling halogenated nitrobenzonitriles, the 5-fluoro variant keeps showing advantages in handling and selectivity during follow-up reactions. That kind of daily experience builds trust in the material, especially when customers push for high-purity, low-residual raw materials.
Working with 5-Fluoro-2-Nitrobenzonitrile, the difference emerges even before the final quality-control check. In our reactor, adding just the right amount of fluorine under safe, controlled conditions calls for practiced hands. Not all nitrated benzonitriles behave the same way: compared to chloro or bromo analogues, this compound offers sharper melting profiles and solubility. Each batch feels familiar, with a persistently clean-off yellow, sometimes edging towards pale—hints the chemist can read to calibrate purification steps without reaching back for analytical tools too soon.
Unlike other positional isomers, the fluoro group placed at the 5-position softens harsh reaction environments in downstream processes. For our clients in pharmaceutical R&D, this translates into less risk of unwanted hydrolysis and side-product formation. Both the yield and the color stability improve. Maybe a lab can recreate this with tight temperature controls, but in bulk production, consistent performance across a thousand liters matters. There’s a low-key pride when we log fewer filter changes during crystallization. Less downtime, fewer solvent exchanges, steadier labor hours.
In the plant, every batch marches through a predictable path. Our standard offering centers around a model with purity above 99 percent by HPLC. Small traces of starting material can show up if the reaction isn’t nursed carefully. A clear melting range and a single spot on the TLC plate signal that the process went smoothly. The workforce here pays close attention to the material’s water content, since moisture impacts packing and storage more than some realize.
We’ve learned that particle size varies based on how quickly crystallization steps out of the reactor. For applications in fine chemical synthesis, our typical crystals—hard but not dusty—help the weighing and dissolution process move forward without loss. It’s small touches—like making sure a small change to solvent mix doesn’t leave a sticky cake at the basket filter. Each time we test for trace inorganic ions or check residual solvents, the numbers mirror hard-won process tweaks: early washing, longer holding times, patient cooling.
We don’t draw a neat line from our plant to a doctor’s office, but the chain that links our work to pharmaceutical compounds matters. Most batches find their way first into the hands of contract researchers and pilot plant personnel. Here, 5-Fluoro-2-Nitrobenzonitrile draws attention for its trim fluorine, sitting ready to serve as a “handle” for cross-coupling and nucleophilic aromatic substitution reactions.
We hear from partners making intermediates for kinase inhibitors, antimicrobials, even imaging agents. They prize the balance between the electron-withdrawing nitro and clean nitrile handle for further transformations. Even small variations in our process—less than 0.1 percent in purity—can visibly shift their downstream yields. For custom developers combining this product in multi-step synthetic routes, starting with known trace impurities and reliable melting points saves hours during method validation.
In agrochemical research, this compound frequently acts as a template for more elaborate ring systems. Researchers bank on the fluoride as both a directing group and a future leaving group, keeping new synthetic options on the table. Not every aromatic nitrile lends itself to scale-up, but ours can be loaded, heated, and dissolved without unneighborly odors or troublesome decomposition.
In our daily rounds, walking from the drying oven through the packaging bay, we focus as much on consistency as on compliance. For years, this product’s popularity with technical teams comes from more than just the label specifications. Plant operators rely on raw data—checking IR and NMR peaks for the right fingerprint. Nothing beats a batch survey after every run, but we find routine spot checks catch more subtle issues: minor color shifts, inconsistent flow in the powder, or a sticky recoil on the screw feeder. These are the gritty details that rarely make it to brochures, but customers depend on them.
We’ve also learned that many requests come with specific performance questions. How does our 5-Fluoro-2-Nitrobenzonitrile behave in microwave reactors? How does the particle morphology shape dissolution time? Direct, honest feedback shapes our continuous improvement projects. By sharing what works and what doesn’t, both sides dodge more costly problems down the road.
At first glance, chemical cousins like 4-fluoro-2-nitrobenzonitrile or the di-substituted analogues might fill similar roles in research. The placement of the fluorine, though, makes a difference. Reactions involving aromatic nucleophilic substitution favor electron-withdrawing substituents in the para and meta positions, but the 5-fluoro group in this compound brings a subtle twist to the electronic landscape. With every scaled batch, we watch the same trend repeat: side reactions drop, crude purifications become easier, and residual fluoride levels after processing are easier to manage.
Comparing our 5-fluoro grade to the more readily available 4-chloro or 4-bromo analogues, we’ve also noticed cleaner profiles in both TLC and finished NMR. The extra electronegativity and the smaller fluorine atom introduce less steric hindrance. For operators running kilo-scale reactions, sprays and emissions also pose fewer regulatory hurdles than some heavier halogenated aromatics. These facts build a loyal user base among teams frustrated by persistent “tailing” during their purification.
Most competitors offer broad slates of substituted benzonitriles, but our vertical integration—from raw halogen handling to nitration—keeps us nimble. Process upsets are rare, and corrections rarely require long shutdowns, even when a temperature spike or line blockage challenges the schedule. The ability to course-correct fast stems from years of direct interaction with each unit operation, not spreadsheet oversight.
Some outsiders imagine specialty chemical production as a series of button presses and lab reports. From inside, the reality looks different. Crystallization timing decides batch throughput. Minor changes in the temperature of the incoming caustic stream push the nitro group’s reactivity, which can force a rerun. Checking particle size by hand, observing whether charge builds up in the drum on a dry winter morning, or testing for stray dissolved gases—these daily practices swing the difference between smooth order fulfillment and a month waiting on retest.
Over seasons, you pick up respect for careful nitrogen blanketing and patient drying—not just to meet specifications, but to shut down sources of caking and decomposition. Some years the cost of fluorine sources drops, easing pressure on purchasing; other years, global logistics scramble schedules, demanding adaptability without lowering standards. Nothing replaces live experience. Data sheets and theoretical yields chart a direction, but wrangling actual product out the door highlights the gaps few beginners expect.
For those pushing the boundaries in medicinal or materials chemistry, every new molecule throws a curveball. We see rapid advances—click chemistry, green solvents, new catalysts. Through all these changes, reliable starting materials serve as quiet infrastructure. Our plant doesn’t often see the finished drugs, dyes, or catalysts built from our product, but the partnership counts. We know teams depend on us not just for compliance or certificates but also for practical answers—solubility quirks, shipping advice, or recommendations on storage and re-testing. Each challenge fuels process improvement.
Our longstanding clients share their pain points; sometimes these uncover subtle incompatibilities, such as a minor trace impurity interfering with downstream analytics. Quick turnaround of retests, willingness to update control limits, and the eye for detail—these all form the bedrock of lasting supplier relationships. Avoiding last-minute panic saves money, saves reputation, and keeps both labs and plants in business.
Working with organofluorine chemistry requires more than gloves and goggles. Disposal of mother liquors draws concern, especially when it comes to persistent halogenated residues. Over time, upgrades like solvent recovery and real-time emissions monitors pay off. Process teams spend as much time on safe venting and containment as they do on yield improvement. Our safety protocols constantly revise, informed by incident reports and a zero-tolerance approach to vapor leaks.
Our approach to handling nitric acid and fluorine donors—always slow feeds, batch ventilation, multiple backup systems—reflects lessons learned from near-misses. New employees practice each scenario before stepping on the floor. Free-flowing communication between operators and technical managers closes the gap between safety theory and daily work. It’s not idealism; it’s business sense grounded in our own accident history.
Every product cycle brings new expectations. For some, demand rises from changing pharma pipelines, others from the surge in agrochemical innovation. Supply chain volatility throws up more curveballs than ever. Our edge comes not from lowest price or sparkling brochures but from field-tested reliability. Each year, we review upstream supply sources, swap raw material contracts, and tune process flow to sustain both cost and continuity.
Being on the manufacturer’s floor, we see the practical payoffs from making incremental investments—extra training sessions, early adoption of in-line analytics, regular reviews of packing and sealing options. Study after study from industry associations underlines what we already know: defects drop where experience meets discipline. Our technical team logs data daily, not quarterly, catching shifts in melting point, bulk density, or color long before a customer flags a batch.
In twenty years of aromatic compound production, no two days look the same. Changes outside the plant—regulatory standards, customer needs, or upstream raw material hiccups—demand a steady hand inside. Our experience manufacturing 5-Fluoro-2-Nitrobenzonitrile underscores the value of direct accountability and hands-on troubleshooting. Every time a customer lab gets a batch that dissolves and reacts as expected, it’s the payoff for process vigilance baked into company culture.
We don’t just ship a chemical; we deliver a set of expectations backed by tangible habits—timely in-process corrections, ongoing operator training, investment in new analytics, and always a willingness to listen to those who trust our material. We’ve watched this product grow from a niche item to a quiet backbone in advanced synthesis. Seeing it cross borders—in tank trucks, in small cans, in custom drums—reminds us whose hands carry it next. That’s how a small, persistent team keeps a vital product moving from plant to lab, every single day.