Anhui Liwei Chemical Co., Limited
Products

Phenol, 2-Amino-3,5-Difluoro-


    • Product Name Phenol, 2-Amino-3,5-Difluoro-
    • Alias 2,6-Difluoro-4-aminophenol
    • Einecs 254-425-6
    • Mininmum Order 1 g
    • Factory Site Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry sales2@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    280183

    Iupac Name 2-Amino-3,5-difluorophenol
    Molecular Formula C6H5F2NO
    Molecular Weight 145.11 g/mol
    Cas Number 100367-22-4
    Appearance Solid (often crystalline or powder)
    Solubility In Water Slightly soluble
    Smiles c1c(c(c(c(c1O)F)N)F)
    Inchi InChI=1S/C6H5F2NO/c7-3-1-4(8)6(10)5(9)2-3/h1-2,10H,9H2
    Pubchem Cid 191111
    Logp Estimated 0.7
    Pka Phenol Estimated 9-10

    As an accredited Phenol, 2-Amino-3,5-Difluoro- 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 100-gram amber glass bottle, tightly sealed with a screw cap, and labeled "Phenol, 2-Amino-3,5-Difluoro-."
    Shipping **Shipping Description for Phenol, 2-Amino-3,5-Difluoro-:** Ship in tightly sealed containers, away from incompatible substances. Label as hazardous; handle with gloves and goggles. Store in a cool, dry, well-ventilated area. Comply with local, national, and international regulations for transport of chemicals. Include a safety data sheet (SDS) with the shipment for emergency reference.
    Storage **Phenol, 2-Amino-3,5-Difluoro-** should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as oxidizing agents. Protect from moisture and direct sunlight. Ensure storage area has appropriate spill containment to prevent environmental contamination. Label containers clearly and restrict access to trained personnel to maintain safe handling and storage conditions.
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    Competitive Phenol, 2-Amino-3,5-Difluoro- prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.

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    Tel: +8615380400285

    Email: sales2@liwei-chem.com

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    Certification & Compliance
    More Introduction

    Phenol, 2-Amino-3,5-Difluoro-: Direct from Our Factory Floor

    An Introduction Built on Practical Experience

    Manufacturing specialty chemicals such as 2-Amino-3,5-Difluorophenol takes commitment not just to technical process, but to understanding how each batch impacts downstream projects. With several decades in the chemical industry, our team has spent thousands of hours refining processes, learning from hands-on production, and collaborating with R&D clients. We recognize the kinds of demands that research, pharma, and agrochemical innovators bring to the table when they need an intermediate like 2-Amino-3,5-Difluorophenol—often abbreviated in our plant as 2A35DFP. The requirements go well beyond the traditional. Consistency, reliability, and real accountability play the biggest roles in this field.

    The Physical and Purity Profile—Why It Matters

    2-Amino-3,5-Difluorophenol presents itself as an off-white to very light tan solid, free from visible impurities, and with low moisture content. Teams in our quality lab handle every drum and smaller lot to keep contaminants tight within trace thresholds. We’ve invested in HPLC and NMR on-site, ensuring composition checks tie out to the expected molecular formula C6H5F2NO. For chemists working on active pharma, dye intermediates, or sophisticated materials, impurities matter. Even single-digit ppm levels of other isomers or trace degradation products may lead to costly rework. We’ve seen mishaps in the past when poorly characterized or insufficiently pure lots were sourced from brokers. To avoid these headaches, our batches stick to demanding purity standards often above 98%. Out-of-spec material doesn’t make it out—not even to staff projects.

    Specifications for our regularly manufactured models come from repeated requests by advanced research teams in Europe and North America. We produce several batch sizes but the core physical parameters—melting point, solubility profiles, bulk density—stay consistent. Because we control the upstream halogenation and amination, we observe batch-to-batch reproducibility, even across multiple operators and shifts. That reliability ends up mattering to synthesis planners and scale-up teams working against fixed delivery windows.

    The Downstream Role—How 2A35DFP Gets Used

    Our buyers typically introduce 2-Amino-3,5-Difluorophenol in syntheses that require electron-rich aromatic intermediates, yet they want subtle fluorine activation to play a key role. Fluorinated phenols react differently than their non-fluorinated counterparts—changes in hydrogen bonding and acidity shift their reactivity in amide coupling and Suzuki reactions. Medicinal chemistry teams often bring our material into fragment libraries for kinase inhibitors, fluorinated benzoxazoles, or even imaging probes. Early feedback from application testing taught us that consistency in melting points and particle size could impact yields in subsequent reactions. Our crew learned quickly—minor tweaks to crystallization can save weeks of synth time later for our downstream partners.

    Beyond medicinal chemistry, 2A35DFP sometimes threads into polymer research and advanced material science. Engineers building specialty coatings, OLED precursors, or even fluorinated resins see value in the hydroxy and amino groups, combined with stable C–F bonds. Unlike many mono-fluorinated or non-fluorinated alternatives, the double fluorine substitution on the 3 and 5 positions makes this compound better suited for applications demanding steric protection or tuned hydrogen bonding. In composites, this sometimes translates to improved thermal stability or resistance to environmental degradation.

    Why Manufacturers Like Us Focus on Structural Control

    Making 2-Amino-3,5-Difluorophenol from scratch isn’t trivial. Every year brings a handful of novel process tweaks, usually after customer feedback or a review of process bottlenecks. We have learned one key lesson: embracing control of the entire synthesis reduces headaches—especially at steps where isomer ratios could broaden or yields might fall. Our process relies on high-purity fluorinated starting materials, efficient protection-deprotection sequences, and continuous-flow reactors in the amination step. Laboratory analytics help avoid byproduct formation, ensuring the amine and phenol groups are not masked or oxidized before isolation. Working closely with maintenance allows us to identify and remove points in the process pipework where buildup or leaching might compromise contamination profiles. That hands-on collaboration with plant engineers remains the backbone of reliable supply, even when demand for this compound spikes.

    Other manufacturers run into issues when chasing volume over quality. We’ve seen side-by-side samples—imported lots with higher levels of fluorine scrambling or unreacted anilines—lead to batch failures in pharmaceutical or advanced material synthesis. End users years ago urged us to keep both analytics and process logs transparent, so now, when R&D teams audit our operations, they review real-time batch histories and batch-splitting records directly on site.

    Comparing 2A35DFP to Other Fluorinated Phenols

    Not all phenol derivatives behave the same way. Chlorine and bromine substitutions can also activate the 2-amino position, but the resulting reactivity and toxicity profile differ. Direct fluorination, especially at the 3 and 5 carbons, pushes electron density into a pattern that suits cross-coupling and cyclization steps in ways chlorinated or non-halogenated versions just can’t replicate. We have run side-by-side reactions with 2-Amino-4-fluorophenol or 2-Amino-3-fluorophenol, and the yields in heterocycle syntheses ranged lower, especially in oxidative ring closure steps. End users—especially in pharma screening—have reported that specific fluorine placement in the 3 and 5 positions introduces a unique metabolic stability in finished molecules. In diagnostic and imaging work, dual-fluorination sometimes improves radiolabeling efficiency.

    Sourcing from true manufacturers versus trading houses builds another layer of security. We take full accountability for the impurity profile and response times—if any issue emerges, our production supervisors can walk through yields and lot splits in under an hour. The value for end users often shows up only after realizing a single batch’s inconsistency can throw off whole months of long-term studies.

    Addressing Challenges Along the Supply Chain

    Shipping chemicals like 2-Amino-3,5-Difluorophenol involves hurdles, not just in packaging integrity but in customs processes and hazard classification due to the amine and phenol features. Over years of direct export, our team developed relationships with vetted shippers experienced in handling fluorinated intermediates. We package all quantities—from research vials to full drums—under inert atmosphere or with moisture-scavenging liners. Feedback from international partners in both the Americas and Asia has shaped our packaging tweaks. A broken seal or excess moisture had, in the early years, led to surface discoloration and even minor clumping. Learning from those incidents, we invested in better heat sealing and in-line moisture analysis. Now, we see very few rejects related to logistics or transit, even in regions with tough weather swings.

    On paperwork, years of export experience has kept our team sharp navigating certificates—COAs, customs clearance, and regional compliance. We’re tuned into changes in regulatory controls. For example, growing restrictions in the EU on certain amines force ongoing monitoring of legal status and reporting requirements. Our staff works with buyers to flag these issues well ahead of shipment, so no one faces unexpected holdups on arrival.

    Our Ongoing Dialogue with Developers and Scientists

    Most research chemists and production managers who request 2-Amino-3,5-Difluorophenol start with technical needs—a specification sheet, a targeted impurity profile, or a rush order to fill a trial. The longer-term relationships, though, emerge from problem-solving as processes scale or as chemistries hit unforeseen snags. Over many years, we’ve built open lines between our plant supervisors and application researchers. If a downstream customer sees a strong exotherm or discoloration after addition, we discuss process tweaks or, in rare cases, reformulate a batch. Sometimes the problem traces back to a subtle difference in upstream process—like changes in solvent grade or crystalline form—not obvious from standard COA review. Regular site visits and shared risk assessments keep performance in check. We have customers whose projects depend on week-to-week consistency for multi-year screening campaigns or regulatory submission, and a missed performance metric means more than just a paperwork exchange. Our doors stay open for direct feedback, continuous improvement, and, if issues surface, real-world solutions.

    The Drive for Responsible Manufacturing

    Handling fluorinated intermediates brings environmental and safety responsibilities, too. Our plant tracks emissions tightly—fluorinated organics require particular attention in waste handling and vapor recovery. We invested early in closed-system reactors and vapor traps, not just for compliance but to protect operator health and local communities. Every kilogram produced gets logged through traceable waste and effluent systems, checked regularly by local auditors and public health teams. We run secondary scrubbers and neutralization on exit gases from our reactors to reduce fluorinated VOCs leaving the stack.

    Waste minimization drives not just process tweaks but upstream procurement—working closely with our raw material vendors to ensure incoming lots enter the factory already clean and traceable. The same standards that make finished product desirable to pharmaceutical clients end up lowering our own site’s footprint. On occasion, university teams or partners reviewing green chemistry metrics have advised us on possible process simplifications, and we’re not shy about trialing those ideas.

    Genuine Traceability From Start to Finish

    As a real manufacturer of 2-Amino-3,5-Difluorophenol, traceability touches all steps—raw material vetting, in-process monitoring, finished product analysis. Some pioneers in our business have taken shortcuts by relying on third-party checks or outsourcing certain operations, but our system keeps every job step on the same campus. Batch numbers aren’t just for show—they tie back to operator logs, machine performance, and shift notes. If a question arises about a reaction anomaly or shipment delay, we drill down directly into temperature records and sample points. Our LIMS system keeps these digital records linked to every drum, so end users can review not just spec sheets but real timelines and QC narratives.

    This depth of traceability grew from hard experience. Years ago, a recall related to a misidentified raw material forced us to rebuild our QA/QC documentation from the ground up. Since then, internal protocols shifted—sampling more often, auditing more deeply, and crew training puts data integrity at the forefront of everybody’s day.

    Moving the Dial in Specialty Chemical Collaboration

    Our approach to manufacturing 2-Amino-3,5-Difluorophenol is shaped not only by regulatory shifts or market pressures, but by a real commitment to seeing what helps our downstream partners succeed. No spec sheet or online listing fully captures the value of direct manufacturer-to-researcher contact. Whether it’s an urgent inquiry for a clinical trial batch, a consultation about process optimization, or troubleshooting a stalled purification, we contribute more than just a commodity. Over time, many client breakthroughs originated from a phone call or lab meeting well outside of standard procurement cycles. Trust, in this industry, gets built on visible reliability and willingness to fix what goes wrong. As a chemical manufacturer, our biggest pride doesn’t come from pushing pallets out the door—it comes from seeing our intermediates show up, years later, in innovative patents or journal articles. That’s how we know the product, the craft, and our attention to real-world detail make a difference.

    Innovation—Not Just a Buzzword

    Scaling up or modifying 2-Amino-3,5-Difluorophenol to suit emerging needs happens organically when there’s a flow of information between developers and manufacturers. We regularly partner with academic and industry labs on special runs—higher or lower fluorine loading, tailored particle sizes, or different salt forms. Direct manufacturing control enables tight turnarounds for custom lots. Recent years saw upticks in microfluidic device developers reaching out for higher-purity lots filtered to sub-micron levels. Others came looking for cost-effective scale-up recipes as projects moved out of the lab. Our technical staff loves a challenge. Whether it means installing a new condenser, trialing a different crystallization agent, or dedicating a pair of reactors to a single custom order, we’re equipped and motivated by real-world feedback. Not every experiment leads to a production win, but the process drives everyone to keep improving.

    Looking Forward in a Changing Chemical Landscape

    Markets shift and application fields evolve. In recent years, demand for fluorinated intermediates like 2-Amino-3,5-Difluorophenol has grown, not only in classic pharmaceuticals but also in advanced polymers and optical materials. Staying ahead requires flexibility—adapting reactor strategies, keeping procurement agile, and absorbing new regulations as they arise. Small batch customers sometimes push us onto new creative ground, asking for variations in material that force our team to re-examine what’s possible and what’s practical at scale. Collaborators in analytical fields, electronics, and even energy storage bring new questions every quarter. Each application provides a lesson, a challenge, and sometimes a pivot in how we manufacture or refine an intermediate.

    Reflecting on Manufacturer Responsibility

    Having made, tested, and shipped many tons of 2-Amino-3,5-Difluorophenol over the years, it’s easy to see how the habits of a direct manufacturer shape outcomes in downstream innovation. The technical skills, site protocols, and collaborative mindsets keep reliability high and headaches minimal for customers counting on performance. Direct contact and transparency, long before and after the sale, mean troubleshooting doesn’t stop after shipment. Hands-on care at every production stage and a willingness to engage—not just transact—have proven the best insurance against market volatility or technical mishap.

    Real accountability takes more than a spec sheet or a web page. It comes down to how we as a manufacturer respond when things stray from the plan, how quickly we adapt, and how deeply we share production data and insights with those depending on our molecules in their own creative work.

    That’s the real backbone of our approach to Phenol, 2-Amino-3,5-Difluoro-. Direct from the source, born from experience, improved by feedback, and delivered with every batch.