|
HS Code |
287417 |
| Chemical Name | 5-Amino-2,4-Difluorophenol |
| Molecular Formula | C6H5F2NO |
| Molecular Weight | 145.11 g/mol |
| Cas Number | 54091-74-8 |
| Appearance | White to off-white solid |
| Melting Point | 116-120°C |
| Solubility | Soluble in organic solvents |
| Purity | Typically ≥98% |
| Storage Conditions | Store at room temperature, tightly closed |
As an accredited 5-Amino-2,4-Difluorophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle containing 10 grams of 5-Amino-2,4-Difluorophenol, sealed with a screw cap and safety label affixed. |
| Shipping | 5-Amino-2,4-Difluorophenol is shipped in tightly sealed containers, protected from moisture and light, and securely packed to prevent leakage. It is transported following appropriate chemical safety regulations, with clear labeling and documentation. Handling precautions include use of gloves and eye protection, as exposure may be hazardous. Store in a cool, ventilated area. |
| Storage | 5-Amino-2,4-difluorophenol should be stored in a tightly sealed container, in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizers and acids. Protect from light and moisture. Ensure proper labeling and avoid prolonged exposure to air. Store at room temperature, or as indicated by manufacturer guidelines. Use appropriate protective equipment when handling the chemical. |
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In the business of chemical synthesis, few compounds strike the right balance between versatility and targeted reactivity the way 5-Amino-2,4-Difluorophenol does. Its molecular structure, featuring strategic fluorine substitutions and an amine functional group, opens up a range of reactions that typical phenols or simple anilines can't handle nearly as well.
What sets this compound apart starts at the molecular level. By placing fluorine atoms at the 2 and 4 positions on the aromatic ring and an amino group at the 5 position, we've seen shifts in both electron density and reactivity. Fluorine, being highly electronegative, reduces the overall electron cloud of the ring compared to non-fluorinated phenols. This specific arrangement controls how other substituents are introduced during downstream reactions without completely sacrificing reactivity on the ring itself.
In manufacturing, these differences matter during product development and large-scale synthetic routes. Traditional phenol or aniline starting materials may undergo unwanted side reactions or produce low yield due to over-reactivity. With 5-Amino-2,4-Difluorophenol, partners in the pharmaceutical, agrochemical, and specialty chemical sectors get to work with a more manageable and predictable intermediate. Synthetic pathways streamline, step counts fall, and waste declines.
From our factory floor, every batch of 5-Amino-2,4-Difluorophenol runs through a strict quality regimen. Typical identifying features include a crystalline, off-white to pale yellow appearance, consistent melting range, and high assay, usually above 98% by HPLC. IR and NMR spectra confirm structure without ambiguity, ruling out isomeric or unreacted materials. Moisture content, by Karl Fischer, stays within controlled limits since trace water alters downstream reactivity.
Impurity profiles receive constant scrutiny. Competing materials from less scrupulous manufacturers might show higher levels of unreacted fluorophenols, unwanted chlorinated byproducts, or metal ion contamination from outdated equipment. Our approach combines modern corrosion-resistant reactors, multi-stage purification, and redundant analysis, continually benchmarking against the world’s best labs. In chemical manufacturing, reliability springs from practical discipline, not just brand claims.
Many of our customers use 5-Amino-2,4-Difluorophenol as a key intermediate. In pharmaceutical research, it fits into synthetic schemes for kinase inhibitors, antiviral scaffolds, and selective enzyme modulators. Scientists leveraging fluorinated arenes note the impact on metabolic stability and selectivity, while the amino group offers a convenient handle for further derivatization—such as urea formation, sulfonamide introduction, or even heterocycle construction.
On the agrochemical front, fluoroaromatic rings frequently turn up in crop protection and pest resistance research. Molecules built from this intermediate demonstrate improved environmental persistence, targeted weed control, or reduced off-target effects. Feedback from formulation chemists reveals that the unique electronic effects imparted by this compound’s substitution pattern contribute to both potency and environmental safety.
We’ve seen expansion outside the typical life sciences too. Polymer scientists incorporate it for new high-durability resins or specialty coatings, often pointing to the boost in thermal and oxidative stability the fluorine atoms confer. In synthesis, reliable supply of this intermediate means researchers spend less time troubleshooting upstream materials and focus more on optimizing end-use performance.
In scale-up, 5-Amino-2,4-Difluorophenol demands careful handling. Amino and hydroxyl groups can be reactive with atmospheric CO2 and trace acids, forming carbamate and salt impurities. Our reactors feature inert gas blanketing and automated monitoring for both temperature and pH, giving tight control from gram to ton scales. Bypassing exposure to air, especially while handling higher purity batches, guards against time-dependent degradation.
Many synthetic chemists ask about solvent compatibility during downstream transformations. This compound shows good solubility in most polar organic solvents like DMF, DMSO, and acetonitrile, with fair solubility in lower alcohols. Aqueous handling benefits from the phenol’s moderate acidity and the amine’s basicity: buffers, salts, and pH adjustment methods all play a role in maximizing both yield and selectivity for next-step reactions.
Purification after synthesis usually relies on column chromatography or crystallization. Early batches, years ago, suffered from partial decomposition or stubborn byproducts. Process optimization changed that. Controlled temperature profiles on the last step, combined with real-time monitoring for pH and solvent ratios, keep product quality high and reduce cycle times. After seeing the impact of improved batch consistency, we've kept in place a system where each lot's analytical data gets reviewed by experienced chemists before release—not just automated pass/fail checks.
It's worth noting that this is not a run-of-the-mill intermediate. Raw material sourcing, operator skill, and environmental controls all intersect. Many a process engineer has faced frustration when inconsistent input materials led to batch failures or yield drops. To keep those challenges at bay, we invest in long-term feedstock contracts, keep redundant analysis equipment on-site, and provide open lines of communication with clients if any process changes are anticipated.
Many ask us how this product differs from simpler fluorinated or aminated phenols. The answer comes down to molecular tuning and reliability in complex multi-step syntheses. Non-fluorinated aminophenols lack the oxidative and metabolic resistance that the difluoro pattern provides. Monofluorinated alternatives, less sterically hindered, sometimes produce unwanted downstream reactivity—especially where regioselective transformations matter.
If you compare to para-aminophenols, the absence of ortho- and para-fluorination means reduced chemical stability. We've seen cases where such compounds degrade more rapidly under heat or exposure to light, creating downstream purification headaches. The precise substitution of fluorine atoms forms a balance that resists hydrolysis, increases shelf life, and simplifies chromatographic purification.
For those in the pharmaceutical field, the impact on metabolic pathways is key. Compounds derived from our product display higher resistance to CYP-mediated oxidation, translating to better pharmacokinetic profiles in animal models. Medicinal chemists, experimenting with dozens of side chains and protecting groups, rely on this stability to build larger libraries efficiently—minimizing troubleshooting and saving weeks in the process.
Competitors sometimes offer higher purities on paper but overlook trace metal contamination from subpar reactors or solvents. Our production process, built to eliminate metal contact, consistently turns out lower ppm levels of common metals like iron, chromium, and copper. Downstream, that equals fewer rejected batches in sensitive catalytic or biocatalytic steps, which can mean thousands in avoided lost time and raw material costs.
A distinction also arises in physical properties. Not all crystalline forms are created equal: the packing of molecules impacts longevity and ease of handling on an industrial scale. We’ve fine-tuned crystallization parameters so our product packs densely, resists static, and pours smoothly. Operators don’t waste time coaxing powder from containers or sweeping up spills—safety and speed both advance.
Laboratory and pilot plant users sometimes run into solubility or reactivity issues moving from bench to kilo-lab scale. Early-stage R&D groups reported slow dissolution in less polar systems or unexpected precipitation in mixed solvent systems. By tracing solubility parameters and consulting with end-users, we helped modify solvent ratios and reaction temperatures, nudging product handling into workable territory.
Some application developers ran into off-coloration during heating or storage, a sign of trace degradation. Internal analysis pointed to light and trace acid sensitivity in older or contaminated batches. Adding light-blocking packaging, introducing desiccant systems, and shipping under inert nitrogen atmosphere fixed these issues. Decades of hands-on problem solving convinced us nothing replaces direct user feedback coupled with analytical follow-up and real process improvements.
Feedback from custom synthesizers proves invaluable. Some asked for lots with tailored particle sizes for specific filtration or dispersion needs. Rather than dictating a one-size-fits-all solution, we developed flexible milling and sieving steps. Real-world laboratory performance, not just in-house data, led to more efficient processing and time savings for customers. Our team understands that the purpose of specialty building blocks isn’t just high assay—they need to fit the realities of dozens of distinct processing routes under real constraints.
Commonplace issues like electrostatic discharge, caking, or humidity-induced clumping teach humility. Each complaint led to better warehouse monitoring, expanded environmental conditioning, and refined drying processes. These small advances reduce batch-to-batch variation, simplify day-to-day operations in downstream manufacturing, and build trust through cumulative reliability.
Modern chemical production sits under a strong regulatory spotlight. Our facility operates under published safety standards, with regular third-party inspections and ongoing documentation. Reducing exposure to workers drives modifications in transfer systems, limiting dust generation and enhancing local exhaust. Safety data transmitted throughout the supply chain keeps everyone, from transporters to warehouse managers, alert to safe storage temperatures, moisture limits, and emergency response.
On the environmental front, we monitor waste streams for fluorinated byproducts and residual solvents in strict conformity with current best practices. Waste solvents undergo on-site segregation and are reclaimed or destroyed to minimize environmental footprint. Hydrofluoric acid handling demands specific operator training and special containment—a labor investment that pays back with consistent safe performance and environmental compliance.
Customers increasingly ask for lifecycle data: precise figures on carbon footprint, water use, and overall environmental impact per kilogram produced. Internal benchmarking and external audits give us evolving data, but long-term reduction in waste, emissions, and energy remain guiding targets. Every time we optimize a reaction for yield or lower energy use, both our costs and the world’s footprint shrink. Industry demands for greener chemistry match what we've been putting in place for years—each improvement met with higher end-user expectations.
Ultimately, chemical production stands or falls on trust, not just molecules. Many long-standing customers started with small orders or challenging pilot projects. Through years of practical experience, prompt communication on analytical results, and shared troubleshooting, we learned that open dialogue solves most problems faster than formal paperwork or warranties. If a batch doesn’t meet stated parameters, we prioritize replacement or adjustment instead of hiding behind fine print.
Working directly with R&D teams, procurement leads, and process engineers around the world, we've learned the value of consistent, open reporting. Regular updates about process improvements, impurity trends, and analytical developments set and manage expectations. A focus on facts and responsiveness cements these relationships, transforming one-off customers into repeat partners. Direct access to plant chemists, technical process documents, and transparent analytical data underpins mutual growth long after the first order.
Supply chain fragility remains a live concern. Sourcing specialized starting materials for 5-Amino-2,4-Difluorophenol requires anticipation, not just reaction. Global events—shipping delays, customs disruptions, raw material shortages—impact production cycles. To buffer against such uncertainties, we maintain redundant supplier relationships and invest in warehousing stable intermediates, sometimes months in advance. This approach smooths output and minimizes disruptions, translating to reliable lead times even in volatile markets.
Adaptation doesn’t stop at logistics. Continuous feedback from process users and customers cycles right back into batch production and protocol development. Each new application that pushes reactivity or operating conditions prompts reevaluation of purity standards, impurity profiles, and packaging. Every challenge, whether it’s an unexpected side reaction or a need for lower particle size, triggers iterative improvements in-house.
Innovation on the shop floor matters. From automating material transfer to upgrading real-time in-line analytics, the steady pace of improvement pushes both plant efficiency and end product reliability. By welcoming visits from partner chemists and regulatory inspectors, we foster a culture of learning and accountability—measured not only by throughput but by the absence of downstream surprises.
Upstream and downstream recycling strategies further minimize impact and costs. Where possible, reusable solvents and recycled reagent lines cut both expense and waste. On-the-fly monitoring, from UV-vis to GC and HPLC, stops deviations before they spiral into expensive setbacks. Real benefits accrue not from arbitrary cost-cutting, but from targeted process improvements that dovetail with regulatory and customer requirements.
The demand for targeted, high-purity intermediates keeps growing as fields from pharmaceuticals to materials science seek better, more reliable building blocks. 5-Amino-2,4-Difluorophenol offers not only unique reactivity but a foundation built on years of manufacturing discipline. Our journey—from troubleshooting stubborn synthesis bottlenecks to collaborating with client teams on custom specifications—underscores that sustained advantage arises from practiced know-how and responsive partnership.
As regulatory requirements evolve and the race to discover new materials intensifies, our team stays poised to adapt. Thoughtful improvements in both chemistry and logistics build a platform for mutual progress. By focusing on verifiable quality, open communication, and process resilience, we continue to supply compounds that support innovation—no matter how challenging or complex the final end use. In every batch, at every scale, the commitment to honest, fact-based chemical manufacturing remains our guide.
