|
HS Code |
251992 |
| Iupac Name | methyl 4-nitro-2-oxophenolate |
| Molecular Formula | C8H5NO5 |
| Molar Mass | 195.13 g/mol |
| Appearance | Yellow to orange solid |
| Cas Number | 176643-77-7 |
| Solubility In Water | Moderate |
| Functional Groups | Nitro, ester, phenolate |
| Smiles | COC(=O)C1=CC(=C([O-])C=C1)[N+](=O)[O-] |
| Synonyms | 2-(Methoxycarbonyl)-4-nitrophenol, methyl 4-nitro-2-hydroxybenzoate |
As an accredited 2-(Methoxycarbonyl)-4-Nitrophenolate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 25 grams, tightly sealed, hazard labels for irritant and toxic, detailed chemical information and safety instructions included. |
| Shipping | 2-(Methoxycarbonyl)-4-Nitrophenolate is shipped in tightly sealed containers to prevent moisture and contamination. It is transported as a solid under ambient conditions, with labeling in accordance with hazardous material regulations. Ensure compliance with local, national, and international shipping guidelines for chemicals. Handle with appropriate protective equipment during transit. |
| Storage | 2-(Methoxycarbonyl)-4-nitrophenolate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from sources of ignition and heat. Protect it from direct sunlight, moisture, and incompatible substances such as strong acids and bases. Proper labeling and adherence to local chemical storage regulations are recommended to ensure safety and stability of the compound. |
Competitive 2-(Methoxycarbonyl)-4-Nitrophenolate 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.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Working day in and day out on the production floor, you get to know a chemical’s character not just from its formula but from the feel of it, the habits it shows during synthesis, and the differences that appear every time a batch runs through reactors. Our 2-(Methoxycarbonyl)-4-Nitrophenolate has become a staple on our line, owing much to the attention to detail we put into every stage. The product, known to folks in the industry as an important intermediate, deserves a straightforward introduction that reflects the years of accumulated expertise feeding our batches and our reputation among those who depend on us for a consistent supply.
Our batches of 2-(Methoxycarbonyl)-4-Nitrophenolate have kept the same molecular structure (C8H7NO5) since our earliest runs. What changes—or rather, what’s kept rock-steady—is the reliability from batch to batch. Each lot comes with traceable production records. Temperatures, pressures, and reagent purity all find their way into our daily logs, not because anyone told us to, but because years of producing this compound have taught us that sacrifices in process discipline ruin more than just product; they eat away at trust. Our standard production outputs meet the expected melting point within a steady range, and the spectroscopic signature aligns with reference spectra. No batch leaves the mixing area until it meets both internal HPLC and UV-Vis purity thresholds. We select solvents based on both efficiency and environmental compliance, so waste and footprint remain manageable.
Surface appearance, caking resistance, and flowability matter for users running automated lines. Part of our edge comes from adjusting drying techniques and particle size control. Years ago, after a sticky batch cost an entire customer shift in downtime, we adjusted our crystallization parameters—lowering temperature ramp rates and extending drying times. The result: a more manageable product right out of the drum. Dewatering practices for this compound have changed with scale. Early years meant small lots and hand-operated filters; today, vacuum filtration lines with automated monitoring make the product consistent and user-friendly. After investing in process safety, we also minimized the risk during nitro group introduction, a step known for its energetic personality if mishandled. With PCR (Process Condition Recorders) always running, we track not simply so we can check boxes, but so we catch issues before they leave our site.
Having hands-on experience in charge neutralization and methylation reactions tells you quickly that multipurpose plants regularly face contamination issues. Cross-contamination from previous campaigns can throw off not only assay results but also the downstream applications for users. We never start production on a fresh lot of 2-(Methoxycarbonyl)-4-Nitrophenolate without full line clearance, no matter the impatient production schedule breathing down our necks. Our cleaning takes longer, but the effort pays off in customer feedback and reduced troubleshooting calls. Cross-contamination left unchecked can ruin an active pharmaceutical ingredient downstream. In the case of dye manufacturers, even a hint of off-spec impurity shows up when color shade or reactivity veers off course. Bridging that last mile means walking the plant, checking reactors for residues, and involving every shift in cleanliness standards.
This compound finds its primary home as a building block in fine chemical and pharmaceutical synthesis. The methoxycarbonyl functionality makes it suitable for transformations leading to complex esters and acids, while the nitro substituent serves as a point for reduction, amination, or other modifications. Over years of working with formulators and end-users, we have seen it become essential in agrochemical screening, the creation of dyes, and as an intermediate in functional material development. Our direct collaborations have often revolved around process troubleshooting. Clients in need of a robust nitrophenolate source for catalytic studies reached out after experiencing variable result sets from less controlled suppliers; we walked through their concerns, sample-tested their input lots, and compared them against our analytical output. Once they shifted to our material, their end-reaction conversion rates closed in on theoretical yields. Bringing these improvements takes more than technical possibility; it grows out of continuous operator feedback and years of recorded process tweaks.
Most manufacturers rely on published procedures or try to squeeze out every dollar by changing out raw materials for marginal cost savings. Drawing from bitter experience, we learned that local sourcing of precursors only pays when the suppliers stand by their own quality. For a while, we tried cutting down import costs by relying on regional providers for key starting esters. That experiment ended when UV-Vis scans started showing minor impurities, and customers reported off-odors in their applications. Any cost saved evaporated in remediation batches and technical support hours. Now, all key starting materials pass arrival QC using NMR and GC-MS screening before they join production.
Trace impurities are a textbook worry, but on the line, what matters more is process upsets—thermal runaways, vapor leaks, solvent swaps, and even the boring things like filter cake dryness. Over time, we’ve learned to treat every batch like it could be the one that catches a subtle problem. When comparing with traders or resellers, the chain of custody for the material becomes hard to follow. This is likely where technicians will spot the difference: a drum showing unexpected solidification, discoloration, or granularity. These aren’t just quirks—they disrupt automated handling and throw off analytical calibration. The real work is done upstream, where every variable gets managed and recorded. Working as the producer allows us to adjust and react in real time, not just on paper.
Years telling us that the key to building repeat business lies not in offering just a technically pure product, but in understanding the actual environments where the compound finds its second life. A sodium salt of 2-(Methoxycarbonyl)-4-Nitrophenolate used in certain bacterial screening tests requires not only chemical purity but also physical cleanliness and compatibility with automated dispensers. We have modified our filtration protocols in response to feedback from laboratory end-users who experienced clogging during high-throughput screening. While documentation and certificates fulfill regulatory needs, what builds real trust is being available when users pick up the phone after hours, and having a production record that quickly identifies and corrects the issue, should it arise.
During scale-up projects, pharmaceutical groups depend on sameness across multiple lots. If one batch differs, the research data no longer lines up. That’s why we routinely pull retain samples and test them months after initial production to confirm stability and reactivity remain unchanged. Chemical purity isn’t the only worry—shelf stability and caking over time threaten usability. By altering granulation and controlling moisture during final packing, product delivered from our plant maintains free-flowing properties during long-term storage.
Roughly a decade ago, the sector started feeling real pressure to reduce both emissions and waste. For our own processes, solvent selection was the first major pivot. Where previous generations employed chlorinated solvents, we phased them out in favor of options with better environmental profiles wherever process efficiency allowed. Not every swap succeeded—sometimes recovery suffered or reactions slowed. In those cases, we weighed the benefit against productivity loss and reached a balance. Wastewater treatment holds no glamour, but upstream material balances make all the difference. By controlling upstream losses, we send less organic material into water treatment and keep local compliance checks straightforward. Product that doesn’t pass final QC never leaves the site; most of it gets routed back for rework, not landfill disposal.
Operators know that rigorous handling and scrubbing of process off-gases keeps neighborhood relations smooth. During the nitro group introduction, fume management becomes especially serious. Automated vent scrubbing lessens both workplace risk and environmental impact. Community right-to-know laws also mean periodic transparency on output levels. These aren’t just regulatory boxes to tick but practices that make employee retention easier. A plant worker with confidence in personal safety becomes an advocate for the process and for the customer’s experience.
Almost every operator who’s worked with nitrophenols grows to respect their reactivity and the personal protective equipment that becomes a second skin. While no amount of paperwork prevents human error, ongoing site training plus real shift debriefs keep safety practices sharp. Dealing with both airborne particulates and trace solvent residues means investing in both engineering controls and personal vigilance. Granted, chemical safety rules aren’t always followed industry-wide, particularly among outfits running short-staffed or on aging equipment. Yet commitment to safety, driven from production floor culture, lowers both accident rates and insurance headaches.
This attention to best practices carries through down the line. Product stability and packaging integrity in transit make for smoother user operations and fewer customer service headaches. We once switched to a bulk packaging vendor to cut costs, only to see a spike in leakage claims. Switching back to heavy-duty, moisture-resistant drums restored confidence quickly. The lesson remains simple: reliability is built, not bought.
Maintaining open lines with both large and small customers has helped us stay ahead when market needs shift. When a university research team needed microbially pure 2-(Methoxycarbonyl)-4-Nitrophenolate for an emerging application, we tightened inbound water monitoring and invested in higher-grade filtration. Though the cost per kilo nudged up, the application outcome justified every cent. For a pharmaceutical manufacturing partner aiming to minimize residual solvents, we installed new drying equipment and lengthened post-reactor purging routines. Through this, we learned that supporting real-world use often means viewing our own process through the customer’s eyes.
Returns and handling mistakes happen, even with the best systems. Users benefit from knowing they’ re dealing directly with a producer who stands by the product. Over time, the accumulation of experience from fielding these challenges makes future runs smoother and end-user satisfaction stronger. Direct feedback loops foster the sort of product improvements that aren’t obvious from a specification sheet but are immediately apparent in application performance.
Many buyers new to specialty chemicals often discover the limitations of sourcing through intermediaries. Product can transfer between three or four hands before delivery, leaving room for speculation about the handling, storage, or even identity of the drum’s content. By producing and selling directly, we sidestep the confusion over shelf life, relabeling, and unknown exposure to humidity or heat along the way. Years of feedback from users translating our drums into formulations or further synthesis have confirmed that traceability builds confidence in their own process yields.
Several large-scale users once ran tests comparing samples from distributors to our directly supplied stock. They measured key performance markers during their own synthesis: reaction rate consistency, byproduct formation, color development, and stability. Not only did our material meet their benchmarks, but repeat runs with separate lots remained within a narrowly-defined tolerance, helping them pass regulatory audits. In contrast, material sourced without production traceability produced enough batch-to-batch variation to endanger consistency and timeline for validated production.
Over the years, production processes never stay still. As new analytical tools come online, older methods sometimes give way to more precise, labor-saving alternatives. We’ve swapped out TLC checks for rapid UPLC scans and consistently updated MSDS documentation. Our operators contribute directly to deciding which changes make real improvements. For example, adjusting pH at just the right stage in the reaction cut down on filtering time, and optimizing solvent mixtures helped eliminate some side-product contamination. These adjustments grow out of habits established over repeated runs, not from a manual or an external consultant.
Regulatory expectations continue ramping up. Staying ahead means more than fulfilling the minimum. We audit both internal and outside labs performing contract analysis, sharing best practices and learning new approaches to process validation. Our in-house training program draws from actual process incidents, incorporating lessons learned into both documentation and daily routines. By encouraging operator involvement, troubleshooting starts with the people living out the process every day.
With shifts in end-user application—from drug development, to specialty pigment formulation, to fine materials—the demands on our product evolve along with them. One recent trend comes from an uptick in analytical requirements from regulatory agencies. We addressed this by investing in new instrumentation and working with customers to preemptively address any issues. Our response time for certificate requests, custom reports, and material compatibility testing shortened over consecutive years due to those investments.
Supply chain disruptions, weather-related shortages, and logistical slowdowns have all hit the sector in recent years. By maintaining both raw material inventory and supplier relationships with real redundancy, we offer more reliable lead times even during market stress. Our planning includes periodic risk reviews and emergency backup arrangements to ensure the wheels don’t stop just because of a hiccup upstream.
Not every plan survives the realities of production. In our early years, a missed impurity in our sodium nitrite led to color drift, sparking both internal reviews and customer calls. We learned from the incident, instituting regular pre-screening protocols for all critical reagents, with tracking down to individual drum numbers. Such events left a mark, deepening our respect for both the material and the process—reinforcing that the real difference a producer offers is lived experience, not just technical data.
Another lesson grew from feedback on packaging. Users working with robotics and automated weighing described consistent jamming from oversized granules. After a site visit for troubleshooting, we adjusted the final classification screen size. That very practical tweak cut customer downtime and improved satisfaction more than a dozen minor purity tweaks ever could.
Years making 2-(Methoxycarbonyl)-4-Nitrophenolate taught us that what matters most isn’t a specific COA metric or a technical paper; it’s how reliable, straightforward, and safe the product remains over time and across applications. Investing in both process rigor and responsible chemistry ensures our work supports both user operations and community health. Choosing to be a producer, not just a supplier, means taking responsibility for the entire chain—raw materials in, finished drums out, and, crucially, every decision in between that shapes the experience of those who rely on this compound.
Working closely with users of all scales—whether scaling up a novel drug synthesis, pushing the boundaries of pigment technology, or supporting graduate research—keeps our focus where it should be: delivering a product built to do its job, every time. The experience shaping each drum isn’t written on a label, but it shows in every batch that finds its way into the hands of folks building the inventions of tomorrow.