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5-Fluoro-2-Methylphenol

    • Product Name 5-Fluoro-2-Methylphenol
    • Alias 5-Fluoro-o-cresol
    • Einecs 413-020-2
    • 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

    828309

    Chemical Name 5-Fluoro-2-Methylphenol
    Cas Number 452-69-7
    Molecular Formula C7H7FO
    Molecular Weight 126.13 g/mol
    Appearance White to off-white solid
    Melting Point 38-42°C
    Boiling Point 193-194°C
    Density 1.179 g/cm³
    Purity Typically ≥98%
    Solubility Soluble in organic solvents; slightly soluble in water

    As an accredited 5-Fluoro-2-Methylphenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 25 grams of 5-Fluoro-2-Methylphenol, sealed with a tamper-evident cap and labeled for laboratory use.
    Shipping 5-Fluoro-2-Methylphenol is typically shipped in tightly sealed containers to prevent leakage or contamination. The shipment adheres to regulations for hazardous chemicals, including proper labeling and documentation. Packages are cushioned to avoid breakage, and transport is arranged via certified carriers specializing in chemical handling. Temperature and humidity control may be recommended.
    Storage 5-Fluoro-2-Methylphenol should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container tightly closed and protected from light and moisture. Use designated, labeled chemical storage cabinets, preferably for flammable or hazardous chemicals, and handle with appropriate personal protective equipment (PPE) to ensure safe storage.
    Application of 5-Fluoro-2-Methylphenol

    Applications of 5-Fluoro-2-Methylphenol in Industrial Manufacturing

    As a specialized manufacturer of 5-Fluoro-2-Methylphenol, we support leading enterprises across multiple chemical and technical markets. The compound’s well-defined reactivity and unique substitution pattern enable its use in precisely controlled workflows. Below, we detail major downstream application fields, processing recommendations, and technical integration information based on practical, large-scale production experience.

    1. Pharmaceuticals—Intermediate for Fluorinated Drug Molecules

    5-Fluoro-2-Methylphenol acts as a key protected building block in the synthesis of various fluorinated therapeutic agents. It is most often utilized during early-stage API (Active Pharmaceutical Ingredient) manufacture for anti-inflammatory and CNS-active molecules, participating in either step-growth or convergent synthesis pathways. Control of ortho activation and maintaining phenolic purity remain critical for effective pharmaceutical integration.

    Industry compliance standards

    • Good Manufacturing Practice (ICH Q7, EU GMP Part II)
    • Ph. Eur., USP-NF raw material monographs (relevant to downstream APIs)
    • FDA Drug Master File (DMF) supporting documents
    • REACH Annex VII/VIII (registered use for pharmaceutical intermediates)

    Typical usage ratio

    • 0.8–1.2 molar equivalents vs. target intermediate, adjusted based on reaction conversion and downstream hydrolysis yield.

    Downstream process integration

    • Custom synthesis—nucleophilic substitution, etherification, and cross-coupling with aryl halides in GMP kilo labs and commercial line reactors.
    • Purification via liquid-liquid extraction, phase separation, and controlled vacuum distillation.

    Final product types

    • Fluorinated anti-infective APIs (e.g., for CNS indications)
    • Aryl-fluorinated prostaglandin analogs
    • Specialty contract-manufactured drug substances

    2. Agrochemical Synthesis—Herbicide and Pesticide Precursor

    This compound supports formulation of advanced agrochemicals, particularly as a ring-building block for selective herbicide scaffolds and fungicide/miticide actives. Users incorporate it during aromatic ring functionalization to enhance bioactivity, buffer pKa, or improve soil leach stability as required by field application specifications. Handling must ensure trace contaminant control and batch-Lot traceability.

    Industry compliance standards

    • ISO 9001:2015 for QM in fine chemical plant operations
    • FAO/WHO specification standards for technical material
    • ECHA REACH registration (plant protection products, Article 95 listing)
    • National agrochemical residue protocols (EPA, China MOA)

    Typical usage ratio

    • 2–8% w/w relative to pesticide technical concentrate in batch operations; fine-tuned per specific synthetic path and target impurity profile.

    Downstream process integration

    • Direct condensation or nucleophilic aromatic substitution during active ingredient synthesis.
    • Post-coupling introduced into continuous reactors prior to product crystallization and solvent evaporation.

    Final product types

    • Selective triazole herbicides
    • Fluorinated diphenyl ether acaricides
    • Crop protection active compounds for export and domestic formulation

    3. Electronic Chemicals—Photoresist and OLED Intermediate

    In advanced electronics manufacturing, 5-Fluoro-2-Methylphenol affords improved etch resistance and electrical properties as a precursor for specialty photoresist resins and OLED hole transport materials. It is introduced during monomer prepolymerization, affecting glass transition temperature and substituent electronic effects crucial for device performance. Manufacturers focus on trace metal content, strict water/oxygen control, and moisture exclusion throughout integration.

    Industry compliance standards

    • SEMI C93 standards for high-purity chemical supply
    • JEITA ET-7301 (Japan) for organic functional materials
    • ISO 14001 for environmental management during specialty chemical synthesis
    • RoHS directive (2011/65/EU) for electronics raw material input

    Typical usage ratio

    • 0.5–2.5% by mass in photoresist resin formulation;
    • or as 1–3 mol % comonomer in advanced organic semiconductor blends.

    Downstream process integration

    • Introduced into Grignard or Suzuki coupling steps under inert atmosphere, followed by fine filtration and fractional distillation.
    • Integrated prepolymer for resist or emissive layer formulation after confirming VC and Cl impurity threshold below 5 ppm.

    Final product types

    • Photolithography negative tone photoresists
    • Blue/green OLED emitter blends
    • Organic transistor base materials

    4. Specialty Polymers—Engineering Plastics and Fluroaromatic Resins

    Chemical processors leverage the material’s ortho-fluoro activation to synthesize tailor-made polyarylene ethers, contributing to advanced engineering plastics with elevated chemical resistance and mechanical durability. It is best employed during controlled solution polymerization and chain extension, supporting fine-tuning of resin molecular weight and thermal performance. Strict monomer feed quality and cleanroom batch processing are recommended to comply with downstream polymer grade requirements.

    Industry compliance standards

    • ISO 9001 for quality control in polymerization lines
    • UL 94 (flammability of plastic materials for parts)
    • REACH SVHC assessment (for polymer monomers)
    • ASTM D638/D256 for material mechanical properties

    Typical usage ratio

    • 3–12 mol% of total monomer load, usually determined by desired Tg and tensile profile; adjusted for end-use in electronics vs. automotive sectors.

    Downstream process integration

    • Feedstock introduced in a dry, inertized reactor at 80–110°C with controlled monomer addition and solvent management.
    • Polymer workup includes precipitation, washing, and melt extrusion prior to pelletization.

    Final product types

    • Fluorinated polyarylether sulfones
    • Specialty films for flexible electronics insulation
    • Moldable engineering plastics for automotive or medical device housing

    5. Chemical Research—Reference Material for Analytical Method Validation

    Accredited laboratories and method development centers use 5-Fluoro-2-Methylphenol as a trace-level positive control in quantitative LC-MS and GC-MS assays. Labs require batch-lot documentation, stability testing, and homogeneity confirmation for quality management. Usage strictly adheres to validated reference protocols, allowing traceability in instrument calibration, spike recovery studies, and inter-lab transfer standards.

    Industry compliance standards

    • ISO/IEC 17025 for laboratory operation and traceability
    • USP <1225> Validation of Compendial Procedures
    • OECD GLP for analytical reference material handling
    • ISO Guide 34/ISO 17034 for reference material production

    Typical usage ratio

    • 1–100 mg/L in calibration spike solutions; selected based on method sensitivity and instrument working range.

    Downstream process integration

    • Weighing under ISO Class 7 cleanroom conditions, gravimetric addition to solvent matrix, followed by bottle-by-bottle certification.
    • Stability and homogeneity tests conducted before commercial lab shipment.

    Final product types

    • Certified reference solutions for method validation
    • Proficiency testing sample kits
    • Traceable calibration standards for regulated analytical chemistry workflows
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    Certification & Compliance
    More Introduction

    5-Fluoro-2-Methylphenol: A Practical Introduction from Our Plant Floor

    The Essence of 5-Fluoro-2-Methylphenol Production

    Every batch of 5-Fluoro-2-Methylphenol carries more than raw chemical value; it represents a careful balance between molecular precision and operational know-how. Direct hands-on production reveals how this compound interacts with both our equipment and our expectations. Each run offers lessons, and it’s worth sharing why we continue to invest in refining this particular phenolic derivative.

    5-Fluoro-2-Methylphenol, with the molecular formula C7H7FO, has a simple, compact structure, but don’t let that fool you. Its utility in both research and specialty synthesis comes from the distinctive ring position of its fluorine and methyl groups, giving it properties neither of the unsubstituted nor alternative mono-halo-substituted phenols can provide. On the factory floor, we know that getting these substituents exactly right means a real commitment to quality control and reagent purity. The difference between traces of impurity and clean product has a direct impact on subsequent reactions for our customers.

    Experience Taught Us: What Sets 5-Fluoro-2-Methylphenol Apart

    Our plant has seen phenols with many kinds of substitutions, and each brings its own set of quirks. 5-Fluoro-2-Methylphenol stands out. The ortho methyl and para fluoro arrangement, relative to the hydroxy group, isn’t just a structural detail. This configuration tunes how the molecule behaves. During electrophilic substitution, for instance, these groups steer the chemistry toward unique outcomes unavailable with other phenols. We have tested this ourselves, checking yields and analyzing byproducts over years of operation.

    Our partners in pharmaceutical and agrochemical sectors keep seeking this compound for targeted intermediate synthesis. It’s not just a fine chemical; in some applications, it acts as a path opener to more advanced molecules. The fluoro group, in particular, improves metabolic stability for some candidates, while the methyl helps with solubility and reactivity. This is something that regular phenol, or even 2-methylphenol, can’t replicate. In the lab, we’ve seen how a single batch of material influences the reproducibility and overall costs for downstream compounds. A minor contaminant often escalates purification or wastes a week’s labor. Strict specifications aren’t an afterthought—they’re a result of learning these tough, expensive lessons.

    Production Details: What Matters on the Ground

    We prepare 5-Fluoro-2-Methylphenol using well-established halogenation and methylation routes, but every manufacturer faces their own challenges. Our site focuses on minimizing side reactions that generate unwanted isomers or fluorinated byproducts. Every percentage point of yield matters, particularly as some intermediates come at significant cost or long lead times. Every operator stays alert for temperature swings during the reaction, which can push the process off course. Over the years, our process chemists have invested hours of troubleshooting to find which glassware, stirrer speed, and quenching methods yield the cleanest results.

    Our specification generally aims for purity over 98%, but we often seek to exceed that. We don’t cut corners on moisture content, since even a fraction of a percent can gum up long-term storage or downstream reactions. The color and odor of a good batch never lie—a slight yellow cast or unfamiliar scent flags a process deviation faster than a chromatograph. Over time, we’ve used this sensory expertise to spot trouble early, and we’ve trained newcomers to trust their noses and eyes. That’s something you won’t find on a standard product sheet, but it keeps waste low and quality high.

    Meeting Market Needs: Why Customers Value This Molecule

    A research chemist may see 5-Fluoro-2-Methylphenol as a stepping stone. Our technical contacts tell us they use it for custom ligand synthesis, where the electronic effects of both the fluoro and methyl groups help unlock new binding properties. We’ve worked with formulation teams that appreciate how the substitution pattern on the ring changes lipophilicity; this can save weeks of trial and error during bioassay development. Agrochemical innovators tap into the molecule for precursor development, relying on our steady supply to push pilot programs ahead of schedule.

    One thing practical experience has shown: consistency matters. Many downstream uses rely not just on purity, but on controlling trace elements—heavy metals from catalysts or halogenated residues from prior steps. We routinely run our own samples through the same synthetic and analytical hoops as our clients. An unknown impurity may not show up at 99%, but at one thousand parts per million, it can break a sensitive process or wreck a reaction sequence, costing research teams precious time. This feedback loop shapes how we manage cleaning protocols, packaging materials, and even the transport conditions to preserve that hard-fought quality from our site to theirs.

    Differences from Other Phenols: Experience-Driven Perspective

    Someone new to phenolic intermediates might imagine these compounds are all much the same, but our experience disagrees. Regular cresols and standard fluorophenols each develop their niche, but 5-Fluoro-2-Methylphenol slots into specialty synthesis that demands a balance of stability and reactivity. The unique position of both methyl and fluoro groups reshapes the reaction profile—in nucleophilic aromatic substitution, for example, the para-fluorine influences rates and selectivity in a way no ortho or meta isomer does.

    Handling differences show up long before that. Some methylphenols tend to oxidize, risking color changes or foul odors on storage; fluorination often solves this, but creates other stability issues with moisture. Over time, we’ve become familiar with the characteristic handling “feel” of 5-Fluoro-2-Methylphenol. It stores easily in closed, cool conditions, but absorbs contaminants from open air if neglected. Even drum and vial material choices arise from practical headaches—polyethylene fares better than glass in certain climates, an insight earned only through lost batches and ruined supplies.

    Solving Problems with Technical Grit

    Direct manufacturing forces every operator and chemist to find real-world solutions instead of relying on generic answers. Years ago, inconsistent heating during our methylation stage caused an unwelcome spike in colored byproduct. After trouble-shooting, better temperature control and a minor tweak to our agitation profile cut that impurity below detection. In other cases, fluorination steps sometimes drift off target due to feedstock quality changes. Spotting those shifts means checking both starting material logs and end product spectra regularly.

    Supply chain hiccups aren’t just academic. A global run on standard phenol, often invisible in news feeds, shows up as higher input costs and tension for our logistics teams. To hedge risk, we’ve built long-term supplier partnerships and keep a buffer of critical reagents. If a shortage looms, speed matters more than price speculation—getting ahead of a squeeze lets us keep promises our customers depend on.

    Occasionally, a downstream customer calls with a report of an off-spec sample. These conversations rarely follow a script, but every incident uncovers a new area for improvement. Sometimes, the answer is straightforward—better racking for temperature-sensitive drums, tighter QC rounds, or cleaning up minor instrument calibration drift. Occasionally, deeper production changes follow, forcing us to rethink a process step or invest in new analytical gear. Few routines stick around unchallenged for long here; competitive markets force a practical humility that keeps us learning, batch after batch.

    Supporting Demanding Research and Scale-Up

    Academic and industrial partners often have opposite needs—one values small parcels in amber vials, the other a pallet of drums. We keep flexible capacity, allowing us to switch between lab scale and full plant runs without skipping quality benchmarks. Feedback from researchers runs back into our operation. During our early years, a pharma startup hit solubility snags with crude product, prompting us to adjust drying times and filtration mesh size. Those changes now benefit every shipment leaving our gates.

    Scale-up brings its own issues. What runs smoothly in a two-liter flask can turn problematic in a 500-liter reactor. Stirring efficiency, heat distribution, and extractor clogging all matter. We don’t write off small deviations; a clogged line in March sometimes signals a bigger problem in June. Seasoned operators and engineering staff collaborate daily, swapping stories about what worked and what failed in earlier campaigns. Years of those quick huddles end up shaping long-term protocols, far more than advice pulled from textbooks.

    Ensuring Responsible Manufacturing: Safety and The Environment

    Working directly with aromatic fluorinated compounds has shaped how we approach plant safety and environmental stewardship. Regular drills and attention to proper air systems keep our teams safe, while effluent management prevents unwanted impact outside our gates. Handling fluorinated waste streams pushes us to seek technical upgrades—catalytic treatment and close-loop solvent recovery, for instance, came after we recognized process risks that weren’t covered in off-the-shelf industry protocols. These investments go beyond compliance. Operators and neighbors alike deserve a clean, safe workplace.

    We’ve also worked out packaging and labeling approaches that emphasize traceability for every drum and every vial. Our safety data is kept up to date, rooted in both regulatory expectation and our on-the-ground experience. New employees don’t just get a binder on hazards—they hear the stories of what went wrong in the past and why. This culture of learning improves not just outcomes, but daily safety for everyone.

    Real-World Outcomes: Supporting Innovation Through Quality

    We see our product drive forward research and development across pharmaceuticals, agricultural chemistry, and specialty polymers. Innovators experimenting with aromatic fluorides count on a supply chain that delivers consistent material. As we scale from a gram to a ton, every operational change faces a hard reality-check—not just on purity, but on real-world fitness for end-use. Only experience, gained over years of both minor setbacks and big wins, teaches which adjustments matter most.

    Our input doesn’t end with shipment. We keep open lines of communication, learning which applications need a drier batch or tighter impurity control. When a customer’s project pivots or regulatory limits tighten, we invite them to share their needs early. History shows that shipping a single out-of-spec barrel can cost more in goodwill than it saves in time, and plant supervisors pass down these stories to reinforce standards.

    The Human Side of Chemical Manufacturing

    Over time, producing and supplying 5-Fluoro-2-Methylphenol grows beyond a formula or a yield graph. Chemistry is universal, but culture and commitment are local. Every operator, technician, and QC specialist buys into the goal of providing robust, reliable material that actually supports the work our customers do. Daily effort and teamwork make the difference between a serviceable commodity and a reagent customers request by name.

    Stories from the production floor routinely shape how we approach each run. A change in upstream solvent pushes us to check product residues more closely. Feedback from a university lab, struggling with solubility in an assay, causes us to examine our crystal habit under the microscope. Such hands-on improvements come not from generic targets but from daily repetition, learning, and shared accountability. We see the direct impact of our work on the wider research and manufacturing landscape.

    Looking Forward: Continuing to Raise the Bar

    Experience remains our most valuable asset. We track batches, compare process runs, and maintain records both for traceability and for learning what actually made a difference. We don’t chase every fad, but integrate new scientific insights that promise tangible improvements in quality or safety. Each bottle or drum of 5-Fluoro-2-Methylphenol leaving our site has come through this system, crafted not by marketing claims but by well-trained eyes and hands.

    From specialty synthesis to pilot-scale expansion, 5-Fluoro-2-Methylphenol continues to prove its value as a versatile and dependable intermediate. Our factory keeps evolving, using lessons learned from every challenge we meet. This approach ensures steady support for our customers’ ambitions and keeps us proud of every batch that carries our trust out into the world.