|
HS Code |
148256 |
| Chemical Name | 2-Aminophenol-4-(N-Ethyl)Sulfonamide |
| Molecular Formula | C8H12N2O3S |
| Molecular Weight | 216.26 g/mol |
| Cas Number | 88-04-0 |
| Appearance | Off-white to light beige solid |
| Melting Point | 158-162 °C |
| Solubility In Water | Moderate |
| Boiling Point | Decomposes before boiling |
| Storage Conditions | Store in a cool, dry place, protected from light |
| Synonyms | N-Ethylsulfanilamide, N-Ethyl-p-aminophenol sulfonamide |
As an accredited 2-Aminophenol-4-(N-Ethyl)Sulfonamide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 2-Aminophenol-4-(N-Ethyl)Sulfonamide, 25g, packaged in a sealed, labeled amber glass bottle with safety and hazard information. |
| Shipping | 2-Aminophenol-4-(N-Ethyl)Sulfonamide is shipped in tightly sealed containers, protected from light and moisture. Transport complies with all regulatory guidelines for chemicals. The packaging ensures stability and prevents contamination or leaks. Safety data sheets are included, and temperature conditions are controlled if required to maintain chemical integrity during transit. |
| Storage | 2-Aminophenol-4-(N-Ethyl)Sulfonamide should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Protect it from moisture, heat, and direct sunlight. Always ensure proper labeling and keep out of reach of unauthorized personnel. Store at room temperature unless specified otherwise by the manufacturer. |
Competitive 2-Aminophenol-4-(N-Ethyl)Sulfonamide 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!
Every day in our facility, 2-Aminophenol-4-(N-Ethyl)Sulfonamide passes from raw material storage to finished product, guided by hands that know more than just the theory behind synthesis. This isn’t just another chemical off the production line. The journey from sourcing to final inspection draws on years of experience navigating the nuanced challenges of organic synthesis and the practical hurdles faced in fine chemical production. We don’t just read about purity or batch integrity in textbooks—we live through every test, every step where contamination, even trace moisture, can impact the outcome or muddy a customer’s results.
The name 2-Aminophenol-4-(N-Ethyl)Sulfonamide signals a class of compounds often associated with the pharmaceutical or dye industries. On paper, it looks like a single step in a synthetic route. On a bench or factory floor, it becomes a matter of precise control during sulfamoylation, selection of just the right amination conditions, and managing the unique characteristics of this molecule. With every batch, variables like temperature, pH, order of reagent addition, and mixing speed—all those little choices—affect yield, color, and solubility. Few outside manufacturing appreciate how a slight uptick in humidity can invite side reactions or throw off a crystallization step, especially for a compound with both amino and sulfonamide groups on a phenolic ring.
Reliability in this business stems from delivering material that behaves the same, year after year. Our 2-Aminophenol-4-(N-Ethyl)Sulfonamide comes with a narrow melting range, consistent physical appearance, and well-documented impurity profiles. Too often, people focus only on assay. We’ve learned over time that end users—whether developing a new drug or formulating a novel pigment—run into issues not from low assay, but from the wrong polymorphic form, sub-visible contaminants, or inconsistent moisture. Controlling these at the source prevents problems that appear months down the line, once the batch has reached downstream processors or researchers counting on repeatable performance.
Most requests for this compound involve its role as a chemical intermediate. Researchers need clean reactions, minimal by-product, and tight lot-to-lot consistency. To support these needs, our team customizes purification steps and fine-tunes reaction conditions based on intended application. For pharmaceutical research customers, we double down on trace impurity analysis, using techniques like HPLC, LC-MS, and, where warranted, residual solvent and heavy metal screening to guarantee material suitable for high-stakes synthesis. In dye development, color purity becomes mission-critical, so our QC department pays special attention to colorimetric tests and UV/Vis profiles. Over the years, we have worked with formulators who needed our 2-Aminophenol-4-(N-Ethyl)Sulfonamide in a particular crystal habit or particle size—lessons learned from those collaborations now shape how we grind, sieve, or recrystallize material to avoid clumping, improve solubility, or enhance dispersibility in customer processes.
No spec comes from thin air. Each test—whether it’s melting point, IR spectrum, assay, or loss on drying—answers a problem we or a customer have actually faced. A melting point deviation hints at the presence of regioisomers or unreacted starting material. Infrared spectroscopy picks up functional group misplacement, a common risk with aromatic amination. Moisture control takes priority, especially when supplying to regions with fluctuating climates or to end users whose downstream chemistry can be moisture-sensitive. HPLC methods get validated against not just purity, but also stability under storage, so our logistics team knows exactly what to expect after a month in a shipping container.
Literature says this type of sulfonamide is typically low-to-moderate in toxicity. But in our plant, nobody relies on literature alone. Splashes on skin, accidental inhalation from a careless scoop, even a residue left on a bench—such incidents illustrate what safe handling really demands. It’s not just about gloves and goggles. Training staff to spot early signs of irritation, providing easy access to eye wash stations, and reviewing early warning indicators during daily meetings have made more difference than hanging up another MSDS on a wall. From storing in cool, dry conditions to preventing buildup of fine dust that triggers respiratory complaints, our safety protocols reflect years of trial, error, and incremental improvement.
Experienced chemists recognize that 2-Aminophenol-4-(N-Ethyl)Sulfonamide offers distinctive advantages compared to generic aminophenol sulfonamides. Those working on structurally related intermediates notice how subtle tweaks, like swapping N-ethyl for N-methyl, ripple through solubility and reactivity, affecting not just the yield, but also downstream isolation and purification steps. Our customers who have run reactions with mixed isomers or alternative substituents report that this compound provides higher coupling efficiency, cleaner mass spec signals, and lower tendencies toward oxidation under typical storage. You can smell the difference—a faint amine on the air, rather than the harsher edge of some sulfonated analogs—if you’ve spent enough time near an open package during incoming QC.
We’ve developed this product around feedback from trusted partners. In real scale, at kilo or multi-kilo quantities, granularity of powder, tendency to cake, and ease of transfer from drum to reactor mean more than theoretical properties. By tailoring our crystallization protocols, carefully designing packaging, and introducing anti-caking measures, we have minimized hassle on the customer’s end. Those small production details—too often overlooked—prevent wasted time, reduced yield, or even accidents during handling. Industry surveys may highlight theoretical suitability; our approach reflects hands-on lessons: controlling every step so downstream users never need to compensate for our mistakes.
Decades in manufacturing teach that quality isn’t a point in time—it is a reputation earned through consistency. Each operator learns there’s no shortcut to batch integrity. Fluctuating power supply, incoming raw material batch variability, and shifting regulatory climates teach us to build in redundancy and oversight at every step. Instead of “one and done” production, our team practices regular training, equipment calibration, and method revalidation. Stories from batches where a ten-minute lag in quenching led to discoloration, or a pump seal failed and introduced metal particulate, stick with us longer than generic SOPs ever will. We remember which conditions generate excess off-odors, which suppliers send inconsistent reagents, and which cooling rates yield the ideal crystal size—not by spreadsheet, but by hard-won memory.
Continuous feedback, not just from our own QC lab, but from real customers, feeds directly into our process. Sometimes a customer calls, having traced a barely-visible pink tint in their formulation back to a trace by-product present at less than 0.05%. Nobody at our end shrugs off such feedback. Instead, we rerun characterization, investigate every step of the workup, and tweak the process to narrow impurity windows even further. Whether the complaint comes from a lab tech at a small startup or a global pharma player, it has equal weight. Process improvements such as an extended recrystallization or a finer particle-size cut have each grown from this direct dialogue.
Some of our most useful changes come from unglamorous process data: tweaking a filter medium after repeated blinding slowed batches, switching from plastic to lined drums when static accumulation led to caking, or adjusting agitation rates to reduce dust. End users eventually notice a smoother transfer, easier dissolution, or a more predictable reaction outcome, and that repeated feedback confirms the value of every incremental improvement.
It often surprises those new to chemical manufacturing how closely user experience guides what we deliver. Research chemists and process engineers are relentless in pointing out inconsistencies, off-spec batches, or unexpected color changes. Many clients order small initial quantities, run preliminary trials, and loop back with detailed performance notes—solubility issues here, minor yield drags there. By listening and acting on that feedback, we’ve built the discipline to adapt batch processing, documentation, and shipment protocols. For many, timely delivery and clear supporting documentation prove just as valuable as the purity itself. Our shipping department tracks temperature and humidity conditions in transit to reduce surprises upon receipt—simple measures, but ones that protect both our reputation and the success of customer projects.
Managing risk starts before synthesis. Reliable sourcing of phenol, sulfonating agents, and amination catalysts defines more than just raw material cost—it drives whether batches start on time and meet spec. Occasional supply disruptions, especially with tight regulations on controlled organics, have taught us to diversify supplier pools, vet batches with thorough incoming QC, and keep inventory above just-in-time lean levels. This approach sometimes increases carrying costs, but customers appreciate that we can meet urgent orders, even during supply snags elsewhere in the industry. In a market where price pressure and regulatory changes arise without warning, these practices distinguish a committed manufacturer from low-bid intermediaries willing to cut corners.
Market trends shift, but certain molecular building blocks endure. 2-Aminophenol-4-(N-Ethyl)Sulfonamide continues to see demand because its properties—balance of solubility, robustness under mild basic or acidic conditions, and clean reaction footprint—support key steps in the synthesis of pharmaceuticals, dyes, and even specialty polymers. Its ability to couple predictably in sulfonamide synthesis, combined with a lower tendency to form colored by-products, roots it firmly in numerous production pipelines. Chemists favor this intermediate when project timelines demand known, reproducible performance, rather than risk time or money on lesser-known alternatives or inconsistent off-shore batches. As regulatory scrutiny grows, reliable supply becomes a differentiator; our approach prioritizes traceability, batch documentation, and transparent change control.
Producing aryl sulfonamides today means adapting to increasing pressure for greener synthesis, lower emissions, and safer waste disposal. Our environmental engineering team frequently reviews solvent recovery rates, optimizes water usage, and implements waste minimization strategies at each stage. Investing in up-to-date scrubbing systems, solvent recycling equipment, and employee training programs translates into both regulatory compliance and lower operating costs. We know first-hand how even moderate process changes—like switching a solvent to reduce VOCs or modifying a workup to capture by-products for responsible disposal—can ripple through productivity and safety.
Community relations also guide choosing process adaptations. We keep an open feedback loop with local authorities, independent auditors, and employees who raise environmental or safety concerns. This transparency isn’t mere compliance—it’s the foundation of trust, both with our neighbors and the companies that choose us as a supplier. By embedding these values into daily operations, we support long-term viability and reduce production-related incidents. This is not theory; it comes from real audits, collaborative problem-solving, and sustained commitment to environmental stewardship.
Process control technology and analytics tools have made their mark on our production line. Batch records move from paper to digital, traceability improves, and deviations trigger faster interventions. Operators can monitor temperature, pressure, and pH in real time, catching subtle process drift that once led to out-of-spec product. Adopting advanced chromatography and automated moisture analyzers has sped up both in-process and final QC, letting us release batches sooner without compromising on standards.
Technology never replaces experience. Our senior team can spot issues—unexpected color, unusual odor, sluggish crystallization—before any instrument signals trouble. By marrying digital monitoring with practical know-how, we deliver a compound that meets high regulatory, industrial, and research standards.
Nobody in this industry knows it all. Regulations, analytical capabilities, and application trends evolve. We commit to continuing education, whether through technical seminars, supplier visits, or raw experiment—from production managers down to every new employee. Lessons learned from missteps and successes both funnel directly into improving the way we make and deliver 2-Aminophenol-4-(N-Ethyl)Sulfonamide. This learning culture keeps complacency at bay and ensures we serve customers with the latest science, practical know-how, and a willingness to adapt when new challenges or opportunities appear.
As the manufacturer, we have a unique sense of responsibility over every lot. This product does not arrive from a nameless distributor or appear by paperwork alone. Our teams inspect, test, package, and prepare it for every shipment, remembering faces and challenges from batch runs past. When you open a drum of our 2-Aminophenol-4-(N-Ethyl)Sulfonamide, you draw on a network of hands-on experience, accumulated knowledge, and investment in every small detail. The difference versus generic, bulk, or resold alternatives starts with process rigor and perseveres through customer feedback—clear value for any operation depending on consistent, high-quality chemical building blocks.
In an industry facing increasing demand for transparency, sustainability, and predictable supply, our approach to 2-Aminophenol-4-(N-Ethyl)Sulfonamide production stands as a continual work-in-progress. Each batch and each feedback cycle brings new knowledge and incremental advances, sometimes hard-won, sometimes inspired by our customers’ needs, but always grounded in the realities of specialty chemical manufacturing. We remain dedicated to meeting customer expectations not just for this compound, but for every product that leaves our facility—because in specialty manufacturing, there are no shortcuts, only lessons learned and standards upheld.