Anhui Liwei Chemical Co., Limited
Products

2-Acetylaminophenol


    • Product Name 2-Acetylaminophenol
    • Alias 2′-Hydroxyacetanilide
    • Einecs 202-188-1
    • 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

    982025

    Cas Number 539-03-7
    Molecular Formula C8H9NO2
    Molecular Weight 151.16 g/mol
    Iupac Name 2-acetylaminophenol
    Synonyms N-(2-Hydroxyphenyl)acetamide
    Appearance White to light beige crystalline powder
    Melting Point 161-165°C
    Solubility In Water Slightly soluble
    Density 1.253 g/cm³
    Pubchem Cid 10699
    Smiles CC(=O)NC1=CC=CC=C1O

    As an accredited 2-Acetylaminophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 2-Acetylaminophenol, 100g, supplied in a sealed amber glass bottle with a tamper-evident cap and clear hazard labeling.
    Shipping 2-Acetylaminophenol should be shipped in tightly sealed containers, protected from moisture and light. Transport in accordance with local, national, and international regulations for chemicals. Ensure clear labeling as a chemical substance and include safety documentation. Handle with care to avoid spills, exposure, or inappropriate contact during transit.
    Storage 2-Acetylaminophenol should be stored in a tightly sealed container, protected from light, moisture, and incompatible substances such as strong oxidizing agents. Keep it in a cool, dry, and well-ventilated area, away from sources of ignition and heat. Proper labeling and secure storage are essential to prevent accidental exposure, spills, or contamination. Handle using appropriate safety procedures and personal protective equipment.
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    Tel: +8615380400285

    Email: sales2@liwei-chem.com

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    Certification & Compliance
    More Introduction

    2-Acetylaminophenol: Perspectives from the Manufacturer Floor

    Understanding 2-Acetylaminophenol at Its Core

    Over years of producing chemicals for the pharmaceutical and specialty industries, 2-Acetylaminophenol stands out in our catalog for a simple reason: it delivers results where process control and purity cannot take a back seat. This compound, known in some technical circles as N-(2-Hydroxyphenyl)acetamide, finds its roots in both laboratory discovery and practical manufacturing. In production runs, experience has taught us that batch stability and raw material selection play decisive roles in the outcome. Even within the same chemical family, minor variations during synthesis can lead to changes in yield, purity, granule flow, or even color—a reminder of just how much hands-on skill remains irreplaceable, even with automated process lines.

    What Sets Our 2-Acetylaminophenol Apart

    Consistency builds reputations in the chemical industry, and that begins with sourcing. We take a direct approach, only using high-level precursor grades and tight impurity removal. Our model line for 2-Acetylaminophenol currently features white or off-white crystalline forms, a specification we settled after years comparing finished lots and monitoring user feedback on performance. Melting points consistently measure in a narrow range, and each kilogram leaves the plant following individual analysis for moisture, ash content, residual solvents, and heavy metals—all commonly overlooked details that shape the end product's value.

    Some suppliers treat intermediate chemicals as commodities, pushing out batches with a wide quality window. We have learned, both from customer returns and long-term stability studies, that even 0.1% variance in a key impurity may render a synthesis process less efficient or result in an unpredictable impurity profile downstream. Our team monitors each batch for these thresholds and regularly upgrades production protocols to raise the minimum standard. We know that even a routine intermediate like 2-Acetylaminophenol can play a star role—or sink an entire synthesis—depending on how closely one watches the details.

    Practical Applications and Direct Observations

    Nearly all our demand for 2-Acetylaminophenol comes from the pharmaceutical sector. Customers rely on it as a functional building block to produce analgesics and antipyretics. In these applications, control over starting material purity ripples directly into API quality. It pays to remember that even in non-pharma applications—such as specialty dye manufacturing and fine chemistry—impurities can affect reaction color, speed, or yield in noticeable ways. Real-world evidence shows that the material's ability to dissolve predictably in different solvents saves time during downstream blending, reducing waste and allowing for tighter process control.

    Our own labs work closely with external development chemists to troubleshoot reactions. Occasional reports surface where batches from other sources show inconsistent solubility or give off-color intermediates in oxidation or coupling steps. These are inevitable “teachable moments”—the ones that reinforce why attention to trace residuals and drying conditions matters. Our internal QC teams keep archives of batch histories, always cross-correlating laboratory observations with feedback from customers, whether it’s film clarity in photoresist development or pharmaceutical conversion rates. Some teams have returned to us after trying cheaper sources, facing issues with unanticipated by-products, only to realize that it’s the minor details in purification that turn an adequate raw material into a reliable one.

    Seeing Beyond the SDS: Safety and Handling on the Line

    Anyone reading this who’s worked in scale-up or on the production floor knows that a chemical’s data sheet only tells part of the story. At the kilos-to-tons scale, powder flow, dust formation, and variance in particle size can have as much impact on safety and process performance as any formal hazard statement. Material that blends smoothly at bench scale may compact, bridge in silos, or resist pneumatic transfer in large batches. From experience, keeping particle sizing in the optimal band means faster transfer and fewer lost hours re-cleaning hoppers and lines—an advantage for any plant manager weighed down by tight production schedules.

    We’ve fine-tuned crystallization and drying to ensure low residual moisture with manageable particle morphology—not just for meeting a line item, but because lab staff and operators alike benefit from a product that pours cleanly and leaves minimal trace in the air. The focus extends to labeling, sealed packaging, and robust tamper-proof bags that endure rough handling. Each container has traceable batch numbers and test results. Over the years, this careful approach has reduced customer complaints, scrapped runs, and occupational health queries from our partners. The goal is not just compliance but genuine reliability from the shipping dock to the reaction flask.

    Comparisons with Related Chemicals

    Some buyers ask how 2-Acetylaminophenol stacks up against structurally related phenolic or acetylated compounds. Over time, we've observed significant practical differences. The presence of the acetylamino substituent confers differences in reactivity compared to 2-aminophenol or other hydroxyacetyl derivatives. These variations influence both the stability of the intermediate under different reaction conditions and the clean-up profile after reaction. For instance, certain catalysts or oxidizers react more benignly with our 2-Acetylaminophenol, yielding cleaner products with fewer tar-like byproducts.

    Other companies occasionally substitute related phenol derivatives in less regulated markets. Still, the downstream effects—such as color, off-odors, or inconsistent solubility—often drive users back to our material. With hundreds of customer reactions on file, the benefits stand out: repeatable process outcomes, predictable yields, and minimal impact on the final API or specialty compound profile. In the fine chemicals and life sciences markets, decision makers increasingly value these differences, given stricter regulatory scrutiny of residuals and extractables.

    Our line of 2-Acetylaminophenol consistently outperforms more generalized grades in automated production settings. We've iteratively optimized solvent purification and filtration steps to reduce issues with dust and other common contaminants. Some other grades, often produced for bulk-dye or non-pharma markets, skip corrosion control or minimize washing steps to cut costs. Over many runs, this shortcut mindset tends to lead to higher downtime in formulation lines or a rise in product returns. We have taken the opposite approach—leading with redundancy and higher Q.C. stringency. It’s costly, but the long-term savings and customer trust outweigh the savings others hope to capture upfront.

    A Manufacturer’s Perspective on Challenges and Ongoing Solutions

    In today’s marketplace, quality is not a static target. Regulatory climates evolve, and new document trails are frequently mandated for intermediates, especially those with pharmaceutical or food-contact applications. Reports of new impurities surfacing in finished products or lower productivity on automated lines have pushed our team to constantly reassess standard operating parameters. Regular training sessions remind everyone—production line staff, lab chemists, and shipping handlers alike—why unwavering focus on details matters to everyone along the supply chain.

    We’ve faced practical issues outside the laboratory, ranging from supplier-declared shortages to surges in global demand. During these moments, short-term pressure to use alternate sources gets intense. Our experience shows that occasional stockouts from more reputable sources are far less costly than accepting marginally nonconforming batches or downgrades. Many formulators have shared stories with us where cost-driven substitutions unraveled months of optimization in a single day. Through these shared stories, we continue to reinforce our choice for rigor, control, and traceability.

    Process improvement does not end at the product itself. Our teams regularly review and upgrade storage, loading, and blending equipment to minimize contamination and operator intervention. Airborne dust control, more efficient bagging, and remote monitoring of environmental conditions all form part of this evolution. Advanced analytical methods, such as LC-MS or NMR, find their place alongside traditional TLC and melting point to verify batch integrity. We never regard a passing grade as the ceiling but as the baseline for continuous improvement.

    Traceability and Documented Quality

    Any manufacturer who has handled an incident investigation understands the value of full traceability. For every 2-Acetylaminophenol lot we produce, a linked chain of documentation stretches from incoming raw materials through shop-floor processing, QC release, to outbound shipment. Each data point covers the source and purity of precursors, environmental records from the plant floor, test results for intermediate compounds, and finished product certification. We maintain digital archives that allow end users to trace each delivered lot back in time, connecting key incidents or outcomes from the user’s end with our own batch processing records.

    Inspections from regulatory bodies and customer quality auditors often confirm that the approach pays off. Minor deviations get caught early, and customer concerns resolve faster. We see fewer surprises in downstream product development, fewer unexplained delays in production line trials, and earlier identification of risks. This ongoing rigor has proven essential as legislative bodies worldwide tighten demand for transparency, enforce stricter limits on trace impurities, and scrutinize intermediate chemicals as closely as active pharmaceutical ingredients themselves.

    Data helps. In one recent period, heightened scrutiny of nitrosamine contaminants led us to implement additional purification steps, retest historical batches, and rapidly share new findings up and down the supply chain. We caught issues before they grew, avoided recalls, and protected customer timelines. These are the moments where decades of investment in traceability repay themselves most clearly.

    Environmental Responsibility and Sustainability Practices

    Today’s chemical manufacturing runs in the shadow of environmental scrutiny. For our part, each update in process optimization addresses both efficiency and pollution control. We’ve invested in solvent recovery systems, minimized offsite waste, and implemented robust containment for aqueous effluents. Our continuous-flow processes for 2-Acetylaminophenol cut down both reaction times and overall waste generation, maximizing both yield and environmental stewardship.

    Comparing our plant emissions and waste output to industry averages, our figures stand well below typical benchmarks. Not every change brings a direct return, but external validation and years of complaint-free third-party audits confirm we are on the right path. Meeting new limits on chemical releases and solvent usage remains a challenge, pushing us to rethink old ways and adopt best-practice technology. Every advancement—automated loading, real-time monitoring, reduced solvent volumes, and improved energy use—reflects not only compliance but a tangible commitment from everyone involved in the process chain.

    Long-Term Partnerships: More Than a Supply Contract

    In chemical markets, trust accumulates like a slow chemical reaction, not in quick bursts but through years of consistent, proven performance. We engage with partners not just as vendors but as full participants in product life cycles. That means sharing real-time process data, troubleshooting syntheses alongside R&D teams, and opening our doors for plant visits. Open exchange of both successes and setbacks helps drive step changes in product quality and problem-solving.

    Distributors, contract formulators, and pharmaceutical companies have returned to us not merely for our pricing or lead times, but because they trust the knowledge and care behind our work. By taking responsibility for failures and acting quickly on rare complaints, we reinforce the bonds built on shared goals. Whether the immediate challenge is an unexpected process hiccup or a regulatory audit requiring documentation back to the raw material source, a shared commitment to transparency proves more valuable than any formal warranty.

    Customer feedback guides our upgrades. Some requested tailored particle sizes; others asked for additional impurity profiles or new solvent compatibility testing. Each request fueled innovations in plant layout, analytical methods, or automation. The ongoing loop between user input and process optimization keeps our team nimble and responsive, and generation after generation of lab technicians carry forward both lessons learned and a shared standard of excellence that customers grow to respect.

    Looking Forward in 2-Acetylaminophenol Manufacturing

    As demands on quality and traceability sharpen, we embrace the ongoing challenge of producing 2-Acetylaminophenol that lives up to the needs of modern chemists and manufacturers. Whether destined for a new pharmaceutical, a specialty dye, or a custom synthesis, each lot exiting the plant embodies commitment, experience, and meticulous attention. We know that our work behind-the-scenes impacts the progress of entire production lines, research programs, and product launches. Those who rely on our expertise expect more than the basics—they count on material that brings reliability, predictability, and peace of mind from procurement to processing.

    With innovation continuing in both regulatory oversight and process technology, there will always be new wrinkles, higher standards, and fresh demands for documentation or performance. Our philosophy remains the same: invest in the process, double down on the details, and maintain open lines to those who use and rely on what we create. Our experience tells us that 2-Acetylaminophenol, in the hands of attentive producers and users, will stay a trusted link in the complex chain driving forward chemistry and industry.