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2-Fluoro-4-Hydroxybenzonitrile

    • Product Name 2-Fluoro-4-Hydroxybenzonitrile
    • Alias 2-Fluoro-4-cyanophenol
    • Einecs 824-019-0
    • 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
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    Specifications

    HS Code

    906980

    Chemical Name 2-Fluoro-4-Hydroxybenzonitrile
    Molecular Formula C7H4FNO
    Molar Mass 137.11 g/mol
    Cas Number 77145-89-4
    Appearance Off-white to light brown solid
    Melting Point 116-120°C
    Solubility Soluble in organic solvents (e.g., DMSO, methanol)
    Smiles C1=CC(=C(C=C1O)F)C#N
    Inchi InChI=1S/C7H4FNO/c8-6-2-1-5(10)3-7(6)4-9/h1-3,10H
    Synonyms 2-Fluoro-4-hydroxybenzenecarbonitrile
    Storage Conditions Store in a cool, dry place, protect from light and moisture

    As an accredited 2-Fluoro-4-Hydroxybenzonitrile factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 2-Fluoro-4-Hydroxybenzonitrile, 25g: Supplied in a sealed amber glass bottle with a tamper-evident cap and an adhesive hazard label.
    Shipping 2-Fluoro-4-Hydroxybenzonitrile is securely packed in tightly sealed containers to prevent moisture ingress and contamination. The chemical is shipped in compliance with relevant regulations, labeled appropriately, and typically transported under ambient conditions. Appropriate documentation and safety data sheets accompany the shipment to ensure safe handling and regulatory compliance during transit.
    Storage 2-Fluoro-4-Hydroxybenzonitrile should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Protect from moisture and light. Store at room temperature and avoid excessive heat. Ensure proper labeling and keep away from direct sunlight. Use secondary containment to prevent spills or leaks.
    Application of 2-Fluoro-4-Hydroxybenzonitrile

    Applications of 2-Fluoro-4-Hydroxybenzonitrile in Industrial Manufacturing

    2-Fluoro-4-Hydroxybenzonitrile serves as a key intermediate in several industrial sectors, particularly where selective aromatic substitution and stable phenolic functionality are essential to building advanced organic molecules. Below are major authenticated downstream application fields, with specific details on compliance, formulation, processing, and end products.

    1. Pharmaceutical Intermediate for Active Pharmaceutical Ingredients (API) Synthesis

    In pharmaceutical manufacturing, this compound functions as a critical building block for the synthesis of various APIs, such as fluoro-substituted phenol derivatives, which are utilized in anticancer, CNS, and anti-inflammatory drug development. Production environments require strict adherence to regulatory guidelines, and the raw material is often subjected to precise purification to eliminate trace impurities that could impact product safety. Process chemists adjust the input ratio based on desired substitution patterns during multi-step syntheses, where the hydroxyl and fluoro groups offer unique sites for further functionalization. Rigorous quality testing ensures the consistency needed for final product release to pharmaceutical markets.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • USP-NF and EP monograph compatibility for intermediates
    • REACH compliance for precursor handling within EU markets
    • ISO 9001:2015 quality management for batch traceability

    Typical usage ratio

    • Ranges from 0.6–1.2 equivalents per target moiety, adjusted according to coupling or substitution reaction stoichiometry

    Downstream process integration

    • Enters during early or mid-stage of multi-step syntheses, supporting Suzuki coupling, nucleophilic aromatic substitution, or etherification

    Final product types

    • Active pharmaceutical ingredients (APIs) for oncology drugs
    • Anti-inflammatory drug molecules
    • Central Nervous System (CNS) therapeutic agents
    • Specialty phenolic drug scaffolds

    2. Agrochemical Intermediate for Herbicide and Fungicide Synthesis

    This material is widely adopted as a core intermediate in synthesizing selective herbicides and fungicides. It enables stable ring structures with defined substitution patterns that resist environmental degradation. Downstream technical synthesis incorporates the chemical in the early functionalization phase, where both the hydroxy and the nitrile groups provide options for coupling with diverse substituents. Production plants apply strict quality controls to minimize residual solvent and byproducts to meet safety requirements for agricultural markets.

    Industry compliance standards

    • FAO/WHO specification for pesticide technical material quality
    • ISO 17025 laboratory accreditation for agrochemical analysis
    • REACH and EPA TSCA registration for active ingredient intermediates
    • OECD Good Laboratory Practice (GLP) requirements for intermediate testing

    Typical usage ratio

    • 0.8–1.5 molar equivalents, tailored to crop protection product formulation scope or final active component selectivity

    Downstream process integration

    • Used during the initial ring modification or halogenation steps, followed by condensation or cyclization in plant-scale reactors

    Final product types

    • Triazole-based fungicides
    • Pyridine herbicide intermediates
    • Aromatic nitrile-containing plant growth regulators
    • Pre-emergence weed control chemicals

    3. Liquid Crystal Monomer Production for Advanced Electronic Displays

    As a tailored aromatic nitrile with controlled fluorination, this compound serves as a monomer precursor in high-performance liquid crystal materials. Manufacturers employ it in synthesis streams aimed at creating liquid crystal mixtures with enhanced dielectric anisotropy and thermal stability. The inclusion of the hydroxy group facilitates polymerizable modifications, allowing the downstream team to achieve strict alignment and switching properties for thin-film transistor LCD (TFT-LCD) applications. Raw material traceability and purity levels are continually assessed to support defect-free panel materials.

    Industry compliance standards

    • RoHS Directive (2011/65/EU) for electronics raw materials
    • IEC 61249-2-21 toxic substances limitations for backplane components
    • IEC-QC-QC080000 certification for hazardous substance process management
    • ISO 14001 environmental management for specialty chemical synthesis

    Typical usage ratio

    • 5–15% by mass of total monomer feed blend, exact percentage based on birefringence tuning and viscosity target

    Downstream process integration

    • Fed into monomer polycondensation reactors and further functionalized to integrate into multi-component liquid crystal mixtures for optical films

    Final product types

    • TFT-LCD display materials
    • Conductive orientation films
    • Liquid crystal optical compensators
    • Alignment layer additives for electronic screens

    4. Specialty Resin Modifier in Engineering Plastics

    Downstream plastics compounders utilize this intermediate to enhance property profiles of engineering polymers, such as polyesters or aromatic polyamides, where additional heat and chemical resistance are required. The phenolic nitrile structure enables strong interchain interactions, improving tensile strength and thermal behavior. Its integration in the compounding process demands batch-specific feeding and precise blending controls, with adjustment based on target resin end-use requirements, especially in electronic device housings and high-durability automotive components. Compliance with relevant standards ensures final plastic stability and limited extractables.

    Industry compliance standards

    • UL 94 HB/V-0 flame retardancy certification for plastic components
    • ISO 1043-1 for resin identification and labeling
    • RoHS and REACH substances restrictions for plastic additives
    • ASTM D638 and D256 for mechanical and impact testing

    Typical usage ratio

    • 0.5–3.0% by weight in polymer masterbatches, adjusted per polymer chain length and performance target

    Downstream process integration

    • Blended into resin melt during extrusion or batch polymerization step, prior to filler addition or molding

    Final product types

    • High-durability electronic housings
    • Heat-resistant automotive connectors
    • Specialty fiber-reinforced engineering plastic parts
    • Precision instrument casings

    5. Dye and Pigment Precursor for Technical Textile Processing

    This compound is applied as a precursor for synthesizing advanced fluoro-substituted azo dyes and high-lightfast pigments used in specialty technical textiles. Its reactivity profile supports coupling with diazonium salts or amines under controlled conditions, producing vivid and stable colorants suitable for industrial fabric applications. Quality control ensures batch consistency and minimal side-product formation. Process engineers adjust feed concentration based on shade depth and fastness performance set by textile brands and OEMs.

    Industry compliance standards

    • OEKO-TEX® Standard 100 for restricted substances in textiles
    • REACH EC No 1907/2006 for dye intermediates
    • ZDHC Manufacturing Restricted Substances List (MRSL)
    • ISO 105-X12 and 105-B02 for color fastness validation

    Typical usage ratio

    • 1.0–4.0% by weight in pigment or dye formulation batch, subject to required color intensity and substrate absorbance

    Downstream process integration

    • Incorporated into synthesis during azo-coupling or condensation steps, then isolated as colorant and applied in textile pad or print lines

    Final product types

    • Technical textile colorants
    • High-performance polyester dyes
    • UV-stable pigment dispersions
    • Outdoor and industrial fabric coatings
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    Certification & Compliance
    More Introduction

    2-Fluoro-4-Hydroxybenzonitrile: Expertise from the Manufacturing Source

    Our Manufacturing Perspective on 2-Fluoro-4-Hydroxybenzonitrile

    2-Fluoro-4-Hydroxybenzonitrile stands out as a staple in our production lineup, given both its unique structure and the demand it draws from fine chemical and pharma sectors. At our plant, we focus deeply on getting the synthesis and purification right. Each batch originates from a well-considered route using high-purity starting material and a specialized fluorination process, yielding a clean end product with minimal impurities. The molecular makeup (C7H4FNO) brings together a cyano group, a hydroxy function, and a strategically positioned fluorine. Sourcing the raw materials remains one thing, but controlling side reactions, handling exothermic stages, and delivering a high assay—this is where our hands-on approach makes a difference.

    The Importance of Structure and Purity

    Not every benzene derivative responds predictably during downstream synthesis, especially when subtle modifications like fluorination are concerned. The positioning of fluorine at the 2-spot changes everything from reactivity to solubility, and the presence of a hydroxy group in the para-position offers reliable anchoring points for further transformations. During years of experience in the plant, we have learned that trace impurities can derail multi-step syntheses for complex molecules.

    In producing this intermediate, each process—be it vacuum distillation, column purification, or moisture control—receives careful attention. We run repeated crystallizations not because the book says so, but because real-world data shows batch-to-batch consistency only comes with that extra step. Some manufacturers cut corners to boost yield, but in our view, maintaining consistently high HPLC purity actually saves more time and material downstream. Analytical chromatography and spectroscopy checks after every significant processing stage allow us to spot and fix problems early.

    End-User Demands and Our Response

    Our customers include research chemists, pilot plant engineers, and full-scale formulation teams working in pharmaceuticals, crop protection, and materials science. Their demand for high assay and tight moisture limits is rooted in genuine needs for clean reactions and trouble-free crystallizations. They also expect a dependable supply chain, traceable product origin, and security over regulatory compliance. Our experience shows that missing specifications or unpredictable quality can quickly ruin a week’s worth of laboratory work and set back projects by months.

    Handing off a drum or bottle is not the end of our responsibility. Ideally, our product slots into multi-stage syntheses for pharmaceuticals like anti-inflammatories, or as a precursor for custom agrochemical actives. Some teams even leverage it to introduce both fluorine and nitrile into rigid aromatic systems for developing specialty materials. Each sector expects a certain behavior in terms of solubility and reactivity, and our focus on minimal byproducts ensures they don’t face unnecessary surprises. Differences in product quality, which may seem small by numbers, cause problems scaling from milligram to kilogram scale.

    Comparing to Alternative Substituted Benzenes

    It often surprises new formulation chemists how one shifted atom changes reaction profiles altogether. 2-Fluoro-4-Hydroxybenzonitrile holds a place apart from both 4-hydroxybenzonitrile and other fluorinated benzonitriles by merging electron-withdrawing and electron-donating features in the same molecule. This interplay affects rates and outcomes for both nucleophilic and electrophilic reactions. In application, such nuances enable a more controlled approach in synthesis of complex heterocycles or rings where positional selectivity matters.

    We work directly with feedback from process engineers and bench chemists, who report both success and frustration when substituting with ortho or para-fluorinated analogs. Over-chlorinated or under-activated substrates often behave unpredictably, while ours offers a balanced profile: the hydroxy group gives hydrogen bonding potential, and the ortho fluorine stabilizes certain intermediates. While some competitors ship bulk grades with higher unknown contaminants, we maintain rigorous cleaning cycles in reactors, use FEP-lined packing in transfer lines, and implement closed handling to reduce water and particle ingress.

    Scale-Up, Handling, and Batch Consistency

    Scaling 2-Fluoro-4-Hydroxybenzonitrile from lab to production scale takes more than a simple increase in reactant amounts. Solvent ratios, temperature ramps, and reaction workup often evolve with scale—something we have learned not by textbook alone, but from hands-on troubleshooting. At batch scale, even small variations in base strength or order of addition can swing impurity profiles sharply. With decades of synthesis under our belt, our operations team tracks every process parameter and reviews not just outcome stats, but method nuances that explain outliers.

    Shipping large volumes brings its own set of hurdles: avoiding cross-contamination, preventing static-induced hazards, and keeping the product within critical humidity thresholds. We test stability under various storage conditions and log every batch history for traceability. There’s nothing more frustrating than receiving repeated queries due to poor documentation or sample inconsistencies, so every container receives not just a lot number but detailed synthesis notes, stability test records, and chain-of-custody logs.

    Safety and Environmental Factors

    Manufacturing and shipping aromatic nitriles, especially with active hydroxy and fluorine groups, demands respect for safety. Aromatic cyanides present inhalation risks and need careful fume handling and scrubbing systems. We designed our ventilation and PPE protocols after real case studies—not just for regulatory compliance but from hard lessons dealing with accidental exposure. Waste streams, especially from halogenated solvents and side-streams, go directly to closed treatment, and we never ignore the cost or complexity of environmental controls.

    Our process development team continually reviews routes that produce less hazardous waste, using phase transfer catalysis and water-based work-ups wherever practical. We are monitoring the tighter global and regional rules on fluorinated intermediates and have anticipated changes by introducing recovery and recycling circuits wherever possible. Each process update runs through pilot testing to ensure downstream users see only the benefits, not unanticipated side-effects like minor residue shifts or product instability.

    Ongoing Support and Real-World Impact

    Our job is not done with a shipment. Technical support keeps our customers moving forward. When someone calls asking why a small amount of colored impurity showed up, our team doesn’t reach for a script. Rather, we dig into production logs, analytics, and even old shipment records to identify sources—whether a process tweak, a raw material switch by a supplier, or a handling change at the loading dock. We invest heavily in analytical support because we’ve found a few parts-per-million difference makes all the difference.

    We have learned that listening to researchers and production partners brings genuine progress. For example, feedback to reduce particle size for more predictable flow characteristics led us to invest in improved milling and sieving infrastructure. Ensuring that containers remain well-sealed and inert under varying atmospheric pressures during long-haul shipments forced us to rethink our packaging entirely. We have tested and validated multiple liners, inert gas purges, desiccants, and tamper-evident closures. Each element introduced on direct request, after practical challenges exposed weak points in historic supply approaches.

    Benefits Beyond the Laboratory

    Though the primary applications land in pharmaceutical and agrochemical R&D, there’s an increasing move towards using 2-Fluoro-4-Hydroxybenzonitrile in polymer science and advanced coatings, where placing functional groups precisely gives better performance in niche electronics and optical applications. Here, avoiding unwanted trace metals and halogen contaminants becomes even more important, and our manufacturing control allows us to guarantee ultra-low levels of both, confirmed by regular third-party lab audits.

    The market keeps expanding as specialty synthesis demands outpace commodity-grade aromatics. Such growth places extra strain on production schedules and material planning. Instead of just scaling equipment, we develop flexible synthesis modules to adapt to order variability and quality targets. Whether receiving an order for a few kilograms for early stage medicinal chemistry or tons for commercial scale synthesis, product quality and supply scheduling remain top priorities.

    Continuous Improvement Based on Real Demands

    Our operations benefit from every customer interaction and production challenge. Recently, an uptick in demand for ultra-low moisture content required an overhaul of our drying regime. Bench-drying no longer sufficed; forced-circulation vacuum ovens with precise humidity sensors became standard. These investments were not made in isolation, but in response to real-world project setbacks relayed directly by formulation chemists and project leads. We track each process outcome with time-stamped logs, chromatograms, and analytical signatures.

    When responsible disposal emerged as a top concern, we responded by building onsite effluent treatment and halogen recovery. We maintain open access for customer audits. Customers often visit our plant for first-hand review of process cleanliness, airborne particulate control, and record-keeping standards. Having nothing to hide, we welcome their expertise and criticism, since better-informed partners push us to surpass standard benchmarks. The days of “secret-recipe” manufacturing lost relevance as transparency reveals strengths and weaknesses—something we embrace for the long term.

    Comparing Batch to Continuous Processes: Our Findings

    While some in the industry tout continuous synthesis for throughput and control, our hands-on data has proven that, for 2-Fluoro-4-Hydroxybenzonitrile, batch production retains several key advantages. Reaction kinetics and crystallization profiles respond well to close monitoring and flexible intervention. Continuous processes promise speed, but any hiccup compounds quickly to affect whole runs. We remain open to improvement, but stay with batch for a reason—trace side product levels, crystal habit, and optical purity consistently outperform pilot continuous lines.

    We realize customers ask for consistency, not just volume. QC data from years’ worth of batch histories lets us pin down process drift, and we share this openly with technical partners. Every audit and feedback session brings new insights, showing where equipment upgrades or process tweaks make tangible differences. Such incremental progress forms the backbone of manufacturing excellence daily.

    Supply Chain Challenges and Solutions

    International regulations, shipping customs, and paperwork pile up, especially with specialty chemicals flagged for dual use or environmental impact. Our logistic teams face more than simple freight booking; they track region-specific labeling and documentation. Keeping shipments on-track and in-spec needs more than a one-size fits all solution; proactive document preparation, customs pre-clearance, and geographically distributed warehousing guarantee material arrives both timely and uncompromised.

    Raw material supply sometimes stumbles when global disruptions hit key precursors. Our stock planning includes buffer inventories and close partnerships with qualified suppliers who match both our technical and ethical standards. In scenarios where primary sources fail, we engage alternative sourcing only after verifying equivalency both analytically and in pilot bricks. No improvement outweighs trust, and we never substitute materials that haven’t cleared these hurdles.

    Future Trends and Industry Responsibilities

    As end-users drive towards higher standards in purity and environmental profile, the demands placed on chemical manufacturing climb. Our edge lies in the integration of real-world experience, investment in analytical technology, and a close-knit feedback culture—a path chosen not for optics but out of necessity proven over decades. Our approach favors improvement over mere expansion or batch counting.

    Looking ahead, multi-step synthesis complexity increases as regulatory oversight tightens and market applications diversify. Specialist teams on our floor remain sharp, cross-trained not just in chemical handling but in digital record-keeping, process safety, and emerging green chemistry protocols. We pursue sustained dialogue with customers, regulatory experts, and academic partners to steer our routes toward smarter waste minimization, safer running, and sharp competitive production.

    2-Fluoro-4-Hydroxybenzonitrile serves as more than just another intermediate in our catalog. Its journey from raw material receipt to synthesized compound directly reflects our commitment to substance over style, attention to detail, and a will to serve as an extension of each customer’s own technical and operational success. Industry advancements push us day by day, and we meet the challenge—never as a “one-and-done” task but as an ongoing promise to the chemists, engineers, and researchers who move innovation forward.