Anhui Liwei Chemical Co., Limited
Products

2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol


    • Product Name 2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol
    • Alias Epinephrine
    • Einecs 200-431-6
    • 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

    499373

    Iupac Name 2-[1-hydroxy-2-(methylamino)ethyl]phenol
    Cas Number 51-30-9
    Molecular Formula C9H13NO2
    Molar Mass 167.21 g/mol
    Appearance White to off-white crystalline powder
    Melting Point 162-164°C
    Solubility In Water Soluble
    Density 1.19 g/cm³ (approximate)
    Pka 8.9 (phenolic OH group)
    Synonyms Normetanephrine
    Chemical Structure Smiles CC(N)C(C1=CC=CC=C1O)O
    Pubchem Cid 4393
    Storage Conditions Store at 2-8°C, protect from light

    As an accredited 2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 250g amber glass bottle with tamper-evident seal, labeled with chemical name, hazard warnings, batch, and expiry date, in protective box.
    Shipping This chemical, 2-[1-Hydroxy-2-(Methylamino)ethyl]phenol, must be shipped in tightly sealed containers, clearly labeled, and protected from light and moisture. It should be transported according to relevant chemical shipping regulations, including proper documentation and hazard labeling. Ensure secure outer packaging to prevent leaks or spills, and provide refrigeration if required by the material safety data sheet.
    Storage Store 2-[1-Hydroxy-2-(methylamino)ethyl]phenol in a tightly sealed container, away from light, heat, and sources of ignition. Keep in a cool, dry, and well-ventilated area. Avoid exposure to incompatibles such as strong oxidizers and acids. Label the container clearly and handle with appropriate personal protective equipment. Follow local regulations for storage of hazardous chemicals.
    Free Quote

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    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

    Introducing 2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol: Our Commitment to Precision Chemistry

    Understanding the Product: From Lab Bench to Production Floor

    Our journey with 2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol starts long before the batch reaches the reactor. We move carefully from synthesis planning through scale-up, always keeping the purpose and end application in mind. The compound serves as a critical intermediate in the pharmaceutical arena, valued for its unique phenolic structure paired with a versatile methylamino side chain. Production demands tight control over stereochemistry and impurities, which we manage through in-process analytics and routine calibration.

    Working with 2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol means dealing with sensitivity to air, temperature shifts, and moisture. Many of our colleagues who have spent time with small-scale syntheses recall the lesson: even minor changes in technique influence yield and purity. The methylamino group, reactive as it is, requires gentle but precise reaction conditions. We use jacketed reactors and maintain temperatures within narrow limits to avoid side reactions. Keeping oxygen out of the process prevents oxidative degradation—purging with high-purity nitrogen isn’t negotiable here. Every finished batch produced on-site gets a thorough look under HPLC and NMR to confirm it meets our standards before it ever leaves the plant.

    Specifications: Commitment to Consistency

    We never settle for broad ranges when it comes to quality. Our technical team agreed on strict protocols because minute impurities make a world of difference downstream, especially when this intermediate finds its way into fine chemical or medicinal synthesis. Typical specifications are set to guarantee minimum purity of 99%. Several times, we’ve found suppliers try to pass off off-spec material where phenolic content drops below this threshold—such shipments aren’t accepted here.

    Testing extends beyond purity. We routinely analyze for residual solvents, trace heavy metals, and water content. That means GC for solvents, ICP-MS for metals, and Karl Fischer titration for water. Over years of production, we’ve learned chlorine contamination can sneak in from certain reagent sources, so our labs always screen for halides. Our COA structure comes from years of regulatory experience, not just domestic requirements but global standards.

    Real-World Application and Impact

    Colleagues in the field ask why 2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol matters. Years of feedback from partners in R&D and manufacturing tell the same story: the product's role in synthesizing beta-adrenergic receptor agents and certain sympathomimetic drugs drives demand. Its molecular scaffold opens routes to active pharmaceutical ingredients—every time we touch this batch, we know that rigor on our shop floor echoes in patient safety later down the line.

    Work with this material often starts at pilot-scale, with close involvement from development chemists. Fine-tuning parameters around batch addition rates of starting phenols changes outcomes drastically. There have been runs where a slightly faster base addition led to a cascade of undesired dimers. Our in-house teams trace those blips and feed information right back into operational SOPs. This feedback loop isn’t about bureaucracy—it’s survival in a space where a tiny misstep can create work for an entire team downstream.

    We use stainless steel equipment throughout the process given the risk of iron-catalyzed side reactions. Over the years, we’ve replaced gaskets and joints to address even minute sources of leachable contaminants. Maintenance logs tell their own story about discipline; production pauses for planned maintenance, and it costs. Bleeding edges in the business get dulled fast if we chase volume at the expense of traceability.

    How Our Product Differs from Others

    Experience tells us the marketplace hosts many offerings labeled as 2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol, yet differences in sourcing and technique produce vastly different outcomes. Most obvious sits in the purity plane: where others quote ranges, we fix our specification and check each drum before releasing it. Our in-house synthetic route was developed specifically for pharmaceutical compatibility, not just catalogue supply. Reaching pharmaceutical-grade standards isn’t marketing, it comes from our own experiences working through repeated syntheses and correcting for every shortfall.

    Several times, process engineers called attention to slight discoloration in products sourced elsewhere—a sure sign of uncontrolled side reactions during ring substitution or amine addition. Here, we use a multi-stage purification system, including vacuum distillation and silica gel chromatography. Finished lots pass a suite of fingerprinting methods, including chiral HPLC where relevant. Compared to generic-grade material, our batches avoid batch-to-batch variability that has repeatedly frustrated clients who trialed less controlled material. If color or odor shifts, it triggers an investigation—not an excuse.

    Other manufacturers may produce this molecule as a minor product line and rely on brokers for the finer details. We have heard stories from customers who received shipments with labeling errors or ambiguous technical documents; that’s never been our way. Full traceability, from starting material through warehousing, comes from a digital batch record system backed by human oversight. This foundation has stopped us from making the mistakes we’ve seen elsewhere: no mystery origins, no missing certificates, no “to-whom-it-may-concern” product.

    End-Use Feedback Shapes Our Work

    Feedback from development chemists forms a core part of our improvement cycle. When one pharmaceutical partner pointed out that trace formaldehyde in incoming intermediate batches was causing downstream stability issues, our lab teams changed their purification steps—not by decree but through hands-on trials and iterative process checks. Fixing that single impurity took a month of overtime shifts and partnerships with reagent suppliers, but the result built trust that lasted years.

    In another case, material shipped overseas lost part of its assay by the time it reached the customer’s door. We traced the cause to unnoticed micro-leaks in storage drums exposed to humid conditions during ocean transport. After that event, we switched to drums with triple-layered linings and added humidity sensors to each container, coupled with shock and temperature trackers. In-house real-world experience leads our product stewardship. Every shipment comes with a shipping stability report and, if customers want, intermediate checkpoints recorded by chemical indicators.

    Supporting Reliable Synthesis and Process Development

    Research groups and process chemists repeatedly highlight the challenge of balancing cost-effective procurement with critical performance. Many labs run into trouble when attempting scale-up with lower-grade sources, finding extra work needed to re-purify or discard entire batches. That frustration disappears with a consistent product backed by open technical dialogue. Over the years, we invested in support—any lab receiving our batch gains access to direct technical liaison with our chemistry group, not a help desk reading from a script.

    We know from talks with process engineers that questions rarely stop at the doorstep of procurement. Challenges such as optimizing pH during coupling reactions with 2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol, or troubleshooting unanticipated side products, land with our technical team. By sitting alongside our partners during trial syntheses and transferring best practices from our plant to their process, we keep quality failures to an absolute minimum.

    Safety and Environmental Responsibility

    Years spent producing this material have taught us where hazards live and how to mitigate them. We supply updated MSDS documentation and run mandatory HazOp reviews before scaling adjustments. Site teams perform regular risk assessments—every operator receives hands-on spill response training, because chemical safety grows from experience, not compliance checks. Our storage protocols came from long nights spent seeing what happened to unguarded drums during power loss or emergencies.

    Our wastewater and emissions management plans respond to real-world regulators who care about more than box-ticking. We collect solvent vapors using dedicated abatement units and neutralize waste in an on-site treatment facility. This approach stems from direct observation: once, a small vapor release during a line disconnect triggered local odor complaints—since then, we updated gaskets and conduct regular air quality sampling.

    Ongoing Challenges and Pathways Forward

    We stay honest about challenges. The availability of ultra-pure starting reagents continues to fluctuate with global supply chains under stress. Years of working through tight inventories have reinforced the value of direct relationships with primary producers. On several occasions, we weathered international shortages thanks to pre-agreed contracts and a habit of maintaining inventory buffers. As a manufacturer, we invest in redundancy because nothing can halt business like a missing precursor in the warehouse.

    Maintaining batch consistency through seasonal changes remains a recurring issue. Temperature and humidity swings influence not just materials, but also equipment performance and operator safety. We constantly calibrate instruments and increase sampling frequency during volatile periods. Climate-proofing our facilities is more than a capital project—it’s daily vigilance.

    Regulatory updates push us to raise the bar consistently. We engage directly with evolving guidelines, running cross walks between in-country and international standards. Teams allocate time monthly just to review new policy drafts and cross-reference our QMS. This kind of diligence keeps us ahead, not playing catch-up.

    The People Behind the Product

    Every successful batch of 2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol reflects the skill set of a hands-on crew. Operators who started as apprentices now run entire shifts, carrying hard-earned knowledge. Years of plant experience teach lessons that academic courses often skip: how to spot off-odors before they escalate, or recognize a telltale change in foam during distillation. Site chemists and technicians spend evenings troubleshooting blips together, because process excellence is a lived practice, not a slogan.

    By working side-by-side with logistics and warehouse teams, bottlenecks get flagged early, so customer orders ship without surprises. Routine isn’t boring when small details carry big stakes. Every improvement in workflow, whether it’s adding a secondary filter or updating drum labels, reflects customer stories heard and internal lessons learned.

    Looking Ahead with Confidence

    Producing 2-[1-Hydroxy-2-(Methylamino)Ethyl]Phenol is a continual journey. Every batch headed out the gate is a direct handshake with partners—knowing the impact our processes hold for end-use applications keeps standards high and innovation ongoing. Unlike a catalogue supplier, we draw on the full arc of experience, troubleshooting, and pride that comes with being a manufacturing partner from molecule to marketplace.

    Ongoing investments in analytical labs, green chemistry projects, and staff training fuel our competitiveness. The lessons drawn from decades in fine chemical manufacturing benefit every user, from primary API syntheses to new materials research. Customer needs shape our planning as much as market demand. We remain committed to raising standards with every order, and growing alongside the scientists and engineers who use our materials.