p-Hydroxyphenylacetamide

    • Product Name: p-Hydroxyphenylacetamide
    • Chemical Name (IUPAC): N-(4-hydroxyphenyl)acetamide
    • CAS No.: 103-90-2
    • Chemical Formula: C8H9NO2
    • Form/Physical State: Crystalline Solid
    • Factroy Site: No.15, Daqing Road Qinglong Chemical Industry Yard, Haimen, Jiangsu Province, P.R. China
    • Price Inquiry: sales9@alchemist-chem.com
    • Manufacturer: Nantong Changhai Food Additive Co., Ltd
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    Specifications

    HS Code

    192048

    Chemical Name p-Hydroxyphenylacetamide
    Synonyms 4-Hydroxyphenylacetamide, Paracetamol, Acetaminophen
    Molecular Formula C8H9NO2
    Molar Mass 151.16 g/mol
    Cas Number 103-90-2
    Appearance White crystalline solid
    Melting Point 169-170°C
    Solubility In Water 14 mg/mL (20°C)
    Boiling Point 387°C (decomposes)
    Density 1.293 g/cm³

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

    Application of p-Hydroxyphenylacetamide

    Purity 99%: p-Hydroxyphenylacetamide with 99% purity is used in pharmaceutical intermediate synthesis, where it ensures high yield and minimal impurities in the final product.

    Melting Point 168°C: p-Hydroxyphenylacetamide with a melting point of 168°C is used in solid dosage formulation, where it facilitates uniform granulation and tablet formation.

    Molecular Weight 151.16 g/mol: p-Hydroxyphenylacetamide of 151.16 g/mol molecular weight is used in analytical reference standards, where it enables precise quantification in HPLC calibration.

    Particle Size <50 μm: p-Hydroxyphenylacetamide with particle size less than 50 μm is used in topical pharmaceutical preparations, where it enhances dissolution rate and bioavailability.

    UV Stability up to 300 nm: p-Hydroxyphenylacetamide with UV stability up to 300 nm is used in photochemical assays, where it maintains chemical integrity during prolonged light exposure.

    Water Solubility 4 g/L: p-Hydroxyphenylacetamide with water solubility of 4 g/L is used in aqueous drug formulations, where it promotes homogeneous mixing and dosing accuracy.

    Residual Solvent <0.1%: p-Hydroxyphenylacetamide with residual solvent content below 0.1% is used in active pharmaceutical ingredient production, where it complies with safety regulations and minimizes toxicity risks.

    Stability Temperature 40°C: p-Hydroxyphenylacetamide with stability up to 40°C is used in extended storage pharmaceutical inventories, where it preserves potency and prevents degradation.

    HPLC Purity >99.5%: p-Hydroxyphenylacetamide with HPLC purity above 99.5% is used in high-precision medical diagnostics, where it guarantees analytical reliability and reproducibility.

    Crystallinity 98%: p-Hydroxyphenylacetamide with 98% crystallinity is used in polymorph screening studies, where it improves reproducibility in crystal engineering and drug design.

    Packing & Storage
    Packing The packaging is a sealed, amber glass bottle containing 100 grams of p-Hydroxyphenylacetamide, labeled with hazard symbols and handling instructions.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for p-Hydroxyphenylacetamide: Approximately 12 metric tons packed in 25 kg bags, efficiently arranged on pallets.
    Shipping p-Hydroxyphenylacetamide is shipped in tightly sealed containers, protected from light and moisture. It should be handled according to standard chemical safety protocols, including proper labeling and documentation. Temperature-controlled shipping may be required to maintain stability. Compliance with local, national, and international regulations for chemical transportation is essential.
    Storage p-Hydroxyphenylacetamide should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from sources of ignition and direct sunlight. Avoid contact with incompatible substances such as strong oxidizers. The storage area should be clearly labeled and comply with relevant safety and regulatory guidelines to prevent contamination and deterioration of the chemical.
    Shelf Life The shelf life of p-Hydroxyphenylacetamide is typically 2-3 years when stored in a cool, dry, and tightly sealed container.
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    More Introduction

    Understanding p-Hydroxyphenylacetamide: Value Through Experience in Chemical Manufacturing

    Rooted in Real Production: What p-Hydroxyphenylacetamide Brings to Modern Chemistry

    Every chemical has a story from its first trial batch right through scaled production runs that fuel industries downstream. p-Hydroxyphenylacetamide, a mainstay in our laboratory and production line for years, illustrates what targeted synthesis and consistent quality bring to fields relying on high-purity intermediates. As demand for specialty chemicals grows, detailed knowledge of each compound’s strengths shapes practical choices across pharmaceutical, agrochemical, and research segments. Our journey with p-Hydroxyphenylacetamide has proven that even small differences in handling and purity swap out headaches for productivity when used in demanding reaction schemes or regulated product lines.

    Reality of Manufacturing: Model, Specifications, and Consistent Output

    Our experience starts from the ground up, working with batches where impurity profiles decide the suitability of a lot for sensitive downstream synthesis. The compound, with a CAS number 104-94-9, presents itself in a white to almost off-white crystalline powder. We see its distinct melting range and sharp chemical signature under GC and HPLC in our quality control labs daily. Over hundreds of runs, specifications matter: material hitting above 99% purity—measured reliably, not rounded up—guarantees predictable results for processes that absolutely do not tolerate off-spec feedstocks. We don’t chase arbitrary numbers; instead, we focus on what reproducibly creates value in active ingredient manufacturing, dye intermediates, and fine chemical synthesis.

    Particle size matters just as much as purity. In pharmaceutical intermediates, any grit or excessive fines threaten smooth flow and repeatable blending. Our standardized granulation and drying control methods minimize dust and clumping, backing up claims with in-house micrographs and sieving data, not just certificates. Some downstream users route p-Hydroxyphenylacetamide straight into automated feeders; a batch sporting 10% oversized chunks or fines brings production lines to a halt. It’s this degree of attention—born from learning about how failures in one link of the supply chain ripple through to end formulation—that keeps our focus locked on physical as well as chemical profile consistency.

    Proven Uses: Quiet Giant in Synthesis, Research, and Beyond

    Though many see p-Hydroxyphenylacetamide as a routine intermediate, it underpins valuable reactions in blockbuster pharmaceutical projects and everyday research protocols. Our customers—ranging from API manufacturers to university-scale laboratories—rely on it both as a direct precursor in the creation of paracetamol (acetaminophen) and as a core building block in custom molecules where minute functional group placement shapes success or failure. Its phenolic group calls for careful storage and packaging. We never ignore logistics; moisture ingress and poor sealing downgrade even the highest-purity batch into a shelf-life question mark.

    Beyond pharmaceuticals, formulators crafting dye intermediates and certain agrochemicals lift technical requirements even further. For these partners, purity below 99% isn’t negotiable, and trace metals or colored contaminants disqualify entire lots. We run ICP-MS and colorimetric analyses for these clients, chasing down every off-tone or trace interference before shipping. Over time, we have tuned up our process steps, eliminated legacy side reaction byproducts, and reworked our purification regime in direct response to feedback and repeated pilot studies. It is the back-and-forth with formulators and scale-up chemists that brings out the true value of a well-controlled intermediate.

    Key Differences: Standing Out from Competing Intermediates and Generic Offerings

    There’s a temptation in our market to treat all off-patent intermediates as generics, commodities with little to separate any two lots. Decades as producers—rather than resellers—show exactly the opposite. Nuances in synthesis routes, crystallization solvents, and even drying temperatures leave lasting fingerprints on both purity and handling properties. Some labs purchasing from resellers voice the same pain points year after year: batches with unpredictable melting points, unexplained discoloration, excess moisture, or high aggregate levels. These aren’t minor inconveniences; they translate into unplanned shutdowns or costly purification steps that erase supposed savings from chasing the lowest headline price.

    We have invested in route development rooted in measured kinetics, minimizing phenolic byproducts and avoiding harsh oxidants that leave trace chlorides or sulfates behind. Downstream users often switch providers after discovering that some international lots bring unexpected odor or persistent insolubles, corroding the reliability needed in scale manufacturing. By refusing shortcuts in our own line, we offer assurance—every p-Hydroxyphenylacetamide drum reveals predictable, test-backed characteristics, batch after batch.

    Differentiation isn’t only about in-process controls; storage and shipment matter just as much. Solutions that fall apart during months of warehouse holding or cross-continent transport don’t serve anybody well. We’ve tested stability under real-world conditions—no air-conditioned fantasy trials—so product reaching the customer mirrors the freshly-packed lot, regardless of geographic destination or climate. The abundance of market tales detailing swollen, damp, or caked crude shipments points to the consequences of treating chemical handling as afterthought.

    Shaping Industry Standards: Reliable Quality Fuels Innovation

    Researchers, process engineers, and regulatory auditors place substantial expectations on core building blocks. Meeting their expectations isn’t about box-ticking; it’s about supporting innovations that build on foundational molecules like p-Hydroxyphenylacetamide. From hands-on experience, rushed or subpar intermediates don’t just risk a single batch—they jeopardize entire R&D projects and commercial launches. We routinely field detailed technical inquiries from formulation chemists and regulatory teams, who scrutinize trace impurity profiles and residual solvent levels. Full transparency and actual batch documents—delivered promptly, with supporting data—foster the trust and repeat orders underpinning healthy industry relationships.

    Our work also extends to offering consultative input for process optimization. Chemists re-tooling synthesis pathways frequently request advice on safe scale-up, waste minimization, or parallel solvent systems that cut cycle times without sacrificing quality. Because we run multi-ton batches through our own reactors, every process tweak—solvent swaps, temperature profiles, and agitation rates—relies on hands-on troubleshooting, not generic textbook guidance. This real-world expertise offers value well beyond raw material supply, whether for a university pilot run or a multinational firm updating annual production quotas.

    Facing Regulatory Scrutiny: Compliance Built-in, Not Tacked-on

    Increasing compliance requirements—ranging from GMP audits to global harmonized labeling standards—don’t surprise us; they shape how we design and operate every production line. We maintain documentation accessible for every lot, going beyond usual specifications to deliver batch records, traceability logs, and signed-off cleaning validation summaries. Regulators and clients alike read straight into these reports, revealing how day-to-day diligence transforms raw data into project and product security. Missteps here can cost far more than material—lost reputation and even regulatory bans can follow. This isn’t speculation; we’ve assisted in audits where improper archiving from less detail-oriented suppliers caused prolonged project delays and, in some cases, forced multi-million-dollar remediation programs.

    There’s no shortcut to high-quality, compliant output. We know from regular agency visits and technical file submissions that clean, accurate paperwork is as critical as the physical material itself. Our own workforce trains regularly on changes to regional and international chemical safety and environmental regulations, staying ahead of the curve for ourselves and the partners relying on our ingredients. Batch-to-batch reproducibility, backed by transparent documentation and quickly available batch samples, shields clients from the risks of “mystery lots” that may or may not stand up to full scrutiny weeks or months after arrival.

    Supporting Next-Generation Chemistries: Why Consistent p-Hydroxyphenylacetamide Matters

    Some emerging industries and applications push expectations for p-Hydroxyphenylacetamide far beyond legacy norms. Novelty drug development and green chemistry initiatives regularly request modified specifications, lower trace metals, or alternate solvent residues incompatible with older manufacturing approaches. Our research and technical support teams field these requests from the initial inquiry through to process validation, tweaking filtration, extraction, and finishing conditions to match each new benchmark. High-yield, low-waste, and minimal cross-contamination processes have become habits, not one-off tricks, because long-term partnerships focus on delivering not just product, but competitive advantage to collaborators exploring uncharted molecular territory.

    Through hands-on pilot runs, plant-scale demonstrations, and targeted troubleshooting with client R&D teams, our expertise has merged with customer insight to co-create truly fit-for-purpose p-Hydroxyphenylacetamide solutions. Whether it’s backing up a tight project deadline, saving weeks of troubleshooting, or simply ensuring no batch arrives with unexpected side-product peaks under mass spectrometry, real collaboration—grounded in practical manufacturing experience—drives both product quality and customer trust.

    Challenges in Scale and Supply: Meeting the Tough Realities

    Scaling up always exposes hidden headaches. Anyone can make an analytical sample or even a multi-kilo batch; taking that process to multi-ton consistency is a different world entirely. We’ve wrestled with crystallizer fouling, thermal runaways, and filter press blockages, each time documenting the lesson and putting preventative steps into the next campaign. Some suppliers sidestep or ignore these issues by only trading in third-party goods, but for us, solving the problem is part of daily business. Whether installing inline moisture sensors to catch drying drift or re-routing a waste stream that once caused downstream discoloration, practical improvements stem from facing scale-up issues head-on and never assuming “good enough” will serve process engineers working around the clock for a product launch.

    Supply shocks—raw material shortages, transport disruptions, sudden surges in demand—test the resilience of even the most robust chemical manufacturing chain. Our production planning includes buffer capacity, alternate shipping partners, and raw material source audits tailored to real-world disruption scenarios, not just spreadsheets. Several times, we’ve smoothed over customer crises by tapping reserve inventory or by working overtime through holiday shutdowns to ensure uninterrupted finished product delivery. Our in-house capability offers this flexibility naturally—something far more difficult for those only coordinated with contract manufacturers far removed from day-to-day operational realities.

    Responsibility and Environmental Forward Motion

    Manufacturing p-Hydroxyphenylacetamide has its footprint—raw material use, energy demands, waste creation. As operators tuned into every drum and reactor batch, we’ve tackled these head-on. By improving yields through stepwise impurity scavenging and solvent recirculation, waste per unit output has dropped by half since we implemented process analytics in our core line. Investment in closed packaging, wastewater treatment, and exhaust scrubbing was not spurred by a regulatory stick, but by firsthand experience with the operational headaches and neighborhood distrust that shortcutting environmental controls creates. Visibly safer factories tie directly into workforce morale, local license security, and the trust of end-users increasingly concerned about where and how their intermediates are made.

    We design ongoing improvements into our daily routines. Material recovery from off-spec batches, evaporative loss minimization, and rapid spill response protocols didn’t come from outside consultants; they evolved from deep-rooted plant experience where our own operators highlighted repetitive sources of waste and near-miss incidents. Sustainability isn’t an afterthought, but a mindset embodied by everyone who touches our raw materials, equipment, and finished goods.

    Continued Investment in People and Processes

    No automated system can replace tech staff who have tracked and solved every recurring anomaly in advancing p-Hydroxyphenylacetamide purity and safety. We invest in ongoing training and hands-on mentorship, ensuring lab and plant operators develop the judgment to spot off-spec color early, select the right packaging for moisture-prone climate zones, and respond instantly to unexpected instrument deviations. Many refinements that now anchor our QC protocols grew from ground-level suggestions or collaborative troubleshooting with long-term customers.

    The technical knowledge pool grows continually. Operators and QC analysts share findings through focused meetings and feedback loops, not just internal memos. When regulatory standards or process improvements go live, real-time communication and checked understanding close the gap between line staff and technical management. It’s this ongoing, practical upskilling—not just investment in lab equipment or automation—that sustains advancement in both product reliability and downstream customer satisfaction.

    Why Product Differentiation Endures Even as Markets Mature

    Globally, chemistry markets trend toward consolidation and bulk supply, but customers rarely settle for mere “good enough.” Differences in source, synthetic route, and even the smallest tweaks in post-reaction workup create batches that act very differently in the field. Our experience manufacturing p-Hydroxyphenylacetamide reveals again and again that real differentiation comes from iterative progress in both process and customer engagement, not slogans or claims. Attention to impurity profiles, drying consistency, and practical physical handling influences price, reliability, and even regulatory acceptance.

    Commodity-focused competitors often overlook these intricacies, passing along unexplained lot-to-lot variations or off-spec shipments. Clients with high-value production lines demand more—and rightly so. Whether it’s pairwise impurity testing on every new vendor lot, or demonstration that cold-chain shipments remain dry and intact in tropical climates, value arises from well-honed practices executed by teams that care as much about tomorrow’s shipments as today’s headline sale. For us, commitment to performance and transparent delivery metrics builds customer relationships that routinely extend beyond a single contract or year, anchoring repeat business and references that outlast market price cycles.

    Real-World Impact: Day-to-Day Confidence From End-Users

    Across every field that touches chemistry, reliability isn’t just theoretical—it’s tested one batch, one drum, and one process at a time. From multi-national API synthesis to craft-scale pigment development, our p-Hydroxyphenylacetamide has earned its standing through the tangible support and transparency embedded in every shipment. Users often share results not just in yield or purity terms, but in fewer headaches, cliff-edge deadlines met, and confidence that next week’s batch will match this week’s successful run. We own and act on both the expected and the unexpected, offering more than mere availability—delivering predictability, security, and the technical resources customers use to scale their own ambitions.

    Final Thoughts: Why Experience-Driven Manufacturing Matters in Chemical Supply

    In any batch-based industry, reputation follows habit. We stake ours on every shipment of p-Hydroxyphenylacetamide, backed not by slogans but by documented success, open technical dialogue, and a culture of learning built across the entire manufacturing and support chain. Each improvement—driven by on-the-ground realities, process engineer insight, or the relentless push for cleaner, safer, better chemical building blocks—fuels a broader ecosystem of trust that links raw materials, innovation, and societal benefit in practical, measurable ways. This is not merely a sales message; it’s the daily reality for every member of our team and every end-user whose success rests on the next reliable drum.