Anhui Liwei Chemical Co., Limited
Products

4-Anilinophenol


    • Product Name 4-Anilinophenol
    • Alias 4-Aminodiphenyl 
    • Einecs 202-322-4
    • 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

    876550

    Cas Number 104-94-9
    Molecular Formula C12H11NO
    Molar Mass 185.22 g/mol
    Appearance Brownish crystals or powder
    Melting Point 172-174 °C
    Boiling Point 363.1 °C
    Density 1.18 g/cm³
    Solubility In Water Slightly soluble
    Pka 5.48 (phenol group)
    Synonyms p-Aminodiphenyl ether, 4-Hydroxy-N-phenylaniline
    Ec Number 203-250-6
    Refractive Index 1.642
    Hazard Class Harmful if swallowed or inhaled
    Iupac Name 4-Anilinophenol
    Pubchem Cid 7545

    As an accredited 4-Anilinophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 4-Anilinophenol is supplied in a sealed 100g amber glass bottle, labeled with safety warnings, product name, and CAS number.
    Shipping 4-Anilinophenol should be shipped in tightly sealed containers, away from light, moisture, and incompatible substances. It must be clearly labeled and handled as a hazardous chemical. Transport should comply with relevant safety regulations, including the use of appropriate cushioning and secondary containment to prevent leaks or spills during transit.
    Storage 4-Anilinophenol should be stored in a cool, dry, and well-ventilated area away from sources of ignition, heat, and direct sunlight. Keep the container tightly closed and store it in a designated chemical storage cabinet, preferably away from acids and oxidizing agents. Ensure the storage area is secure and that appropriate spill containment and emergency procedures are in place.
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    Competitive 4-Anilinophenol 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

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    Certification & Compliance
    More Introduction

    Understanding the Value of 4-Anilinophenol in Modern Manufacturing

    4-Anilinophenol—Our Perspective as the Source

    Day after day, we watch drums and bags of 4-Anilinophenol roll off our production lines, labeled with our commitment to batch consistency and purity. Many buyers know this compound under its CAS number 568-46-3, a white-to-light-brown crystalline powder with a recognizable melting point and distinct aromatic profile. But what matters most isn't the technical jargon. It's the reliability beneath every shipment, the steady connection between what we deliver and the chemistry it powers.

    Our teams start early. Synthesis of 4-Anilinophenol, also called para-aminodiphenylol, relies on controlled reactions, verified for impurity profiles that can trip up sensitive downstream processes. We tie our reputation directly to these tests because one poor lot gums up synthesis lines, brings complaints, and wastes good work. Others in the supply chain may not notice, but those who purchase from us expect production transparency and a straightforward experience. That's the difference between hands-on chemical manufacturing and box-shifting middlemen, especially with chemicals like this one.

    Product Model, Specifications, and What Sets Our 4-Anilinophenol Apart

    We produce several grades based on our customers’ needs. Some want pharmaceutical pre-cursors, so purity and elemental analysis become the focus. Others manufacture dyes or handle polymer research projects. For typical industrial use, we keep purity above 99 percent, gauged by gas chromatography and melting point checks. Trace metallics and water content fall within the published limits, but we respond if higher standards are needed. Here, there is no one-size-fits-all batch. Our team validates every drum and bag before marking it for shipment, then maintains digital batch records to track source, storage, and logistics data.

    A dig into the specifications goes beyond the numbers. It reflects control over our process environment—how we address air and water exposure, what happens during recrystallization, and the exact temperature curves followed to avoid side products that accumulate as sticky residues. We train operators to spot issues before they compromise the product. This isn’t a generic offer pulled from some catalog. Our 4-Anilinophenol isn’t repackaged by someone else; it arrives exactly as we intend, sealed, labeled, and with supporting QA documentation built on thousands of runs.

    Why Users in Dyes and Materials Synthesis Rely on Consistent Quality

    The vast majority of 4-Anilinophenol leaves our plant for dye or pigment applications. Some serve as monomers or intermediates in the dye industry, where product color and batch stability hinge on chemical purity. Laboratory researchers also request small, sealed packs for investigative work in functional materials. You can’t swap out a compound with minor impurities and expect the same color characteristics or polymer chain lengths. From our side, close monitoring of melting point and color helps catch minor deviations that could snowball later. Each pound represents a promise met to firms who have built their own trusts with end users. Chemical traceability flows from our process controls, through destination records, and into the hands of those scaling chemistry for textiles, plastics, or electronics.

    You might spot 4-Anilinophenol in the starting lineups for certain anti-oxidant agents or niche pharmaceuticals. Here, the smallest contaminants interrupt pharmacological testing, making analytical transparency essential. We have invested in both HPLC and mass spectrometry analysis to address customers’ questions about trace impurities. This degree of care began as a direct response to feedback from manufacturers wrestling with inconsistency from spot-buying or offshore resourcing. Every production batch draws not only on technical infrastructure but on decades of repeat feedback cycles—directly from polymer labs, ink formulators, and pharmaceutical auditors. The focus always returns to stability and reproducibility, not marketing claims.

    The Role of Manufacturing Experience in Product Reliability

    There are direct lessons learned from the manufacturing floor. Tiny shifts during crystallization—say, a degree hotter or cooler—produce batches that act differently in downstream syntheses. If cooling isn’t gradual, crystal morphology changes. Our plant staff routinely audit each stage. Staff members have shared anecdotes of saves made by sharp eyes or even a nose for a faint off-smell. The meticulous nature of our controls grew out of necessity, not protocol—walking the plant during pre-dawn shifts drives home the fact that we’re the last barrier before something subpar gets shipped.

    Handling 4-Anilinophenol exposes teams to raw organic chemistry. The conversion process—often a nucleophilic aromatic substitution—demands real-time adjustments for solvent selection, pH, and temperature controls. Uncontrolled syntheses creep in more than just water or dust as contaminants; they insert design flaws into customer products. That is why batch records and sample archiving continue long after delivery, creating feedback loops for continuous improvement.

    We never expect customers to manage these challenges on their own. If a formulation fails to perform, we take the call, analyze the problem, and run back comparisons with archived retain samples. Some years ago, an ink manufacturer discovered erratic dispersion in one batch. We cross-checked their complaints with our records and located a slighter-than-normal temperature drop-off during the final stage. Immediate action sorted remaining inventory. This feedback system keeps us directly involved, not just fulfilling orders.

    Differentiating from Commodity Vendors: Hands-on, Not Hands-off

    Online searches produce endless offers for the same molecule, often showing little concern for chain of custody or composition details. Traders and distributors fill their listings with standard copy, price points, and fast shipping promises. Actual manufacturing brings a different perspective to product stewardship. We have to answer sourcing questions, explain production traceability, and support risk assessments. Storage and packaging matter, too—an improperly sealed drum or bag can absorb moisture, break down, and leave unpredictable particles that damage expensive process equipment or shift analytical baselines.

    4-Anilinophenol calls for more than a product code and a price tag. Specifications on a screen won’t ensure the product hasn’t spent months in a humid warehouse, or worse, been blended and relabeled from multiple vendors. Our promise rests on a single-source chain from raw material to final packaging. We document every transport, every third-party test, and every user feedback report. Recalls or tracebacks are rapid and thorough, never excuse-laden. Buyers routinely visit us to verify compliance, and we open every door—analytical labs, packaging lines, storage—because open access builds trust.

    We have seen downstream plants in the colorant sector reject lots not based on headline purity but on subtle instability in reactivity or physical form. These lessons guide our process refinements; they shape the tolerances embedded in SOPs and inspire monthly roundtables among R&D, plant, and quality assurance. It’s the difference between a living chemical supply chain and blind procurement.

    Applications that Demand the Details: Pure vs. Technical Grade

    Our product catalog spans multiple grades of 4-Anilinophenol—USP, technical, and high-purity research grades. Each caters to known problems discovered in real use cases. For instance, dye manufacturers seeking colorfastness for textiles ask for the tightest impurity constraints, knowing that years of wear and multiple wash cycles show up flaws invisible on day one. On the other hand, technical users in materials development or pilot plants may take slightly broader specs in exchange for lower price points.

    We have learned that cancer research labs and pharmaceutical plants do not trade price for performance; trace elements—iron, copper, residual solvents—must be virtually absent, else they skew biological results or hinder synthesis. Here, our investment in analytical equipment goes well beyond regulatory compliance. We often partner with clients to establish mutual COAs and modify test panels based on their most critical markers.

    Our plant manages both small-batch and larger-scale production, adjusting process parameters to maximize throughput without drifting from customer-specific profiles. This ability traces back to core manufacturing principles—monitoring at every step, from raw acquisition and storage to end-of-line packing.

    Lessons Learned—Supporting Businesses Beyond the Laboratory Door

    Throughout decades of direct supply, our team has interacted with hundreds of companies, from global dye manufacturers to university labs handling grams at a time. The common thread is a need for facts, not slogans. Businesses expect answers to practical questions: Will the batch behave the same way next month? Who stands behind the COA? What prevents cross-contamination at the plant?

    Addressing these questions demands working knowledge of how 4-Anilinophenol acts in each context. For dye plants, the focus slides to reaction kinetics and waste stream profiles. They want low by-product formation and predictable yields from amine coupling. Paint formulators care more about how crystal size influences dispersion, while electronics developers look for minimal ionic contamination. These differences have real impact: what seems a minor spec on a sheet may ruin weeks of downstream work if mishandled. Our team sits down with partners during product launches, troubleshooting and tuning process parameters side-by-side.

    Risks, Reliability, and Regulatory Expectations

    No manufacturer stands apart from compliance responsibilities. Each drum of 4-Anilinophenol navigates a landscape of environmental, health, and safety controls. Storage requirements stem from both regulatory mandates and hard-won knowledge—heat, vibration, or ambient light all degrade shelf life and quality, even if boxes look pristine. On our floor, staff routinely review safety data sheets, audit emergency stockpiles, and re-train on spill containment procedures. Our reputation must survive audits, not just sales cycles.

    Beyond internal practices, compliance stretches to distribution. We never risk transhipment through unauthorized hands; direct shipment from our verified terminals blocks improper storage or relabeling, which can contaminate the entire supply stream. Clients talk about horror stories—off-color powders, mystery odors, mysterious “white label” shipments—but we stake our experience and our business on avoiding those failures. Continuous feedback from end-users, regulatory boards, and our own laboratory ensures we never drift from best practice. In today’s chemical landscape, trust flows from transparency and evidence, not empty guarantees.

    Emphasizing Traceability and Continuous Improvement

    A product is only as stable as its weakest supply chain link. Our experience with 4-Anilinophenol shaped a stepwise process built around traceability. Every barrel and drum receives a unique identifier at synthesis. Scanned data follow that batch through purification, testing, and shelf storage; should any issues arise, our team can track the product’s journey with precision.

    This focus on traceability doesn’t mean inflexibility. We review and revise protocols constantly. When a customer suggests a new analytical marker or flags a process efficiency, we review and, if warranted, roll out new practices. Some improvements start at the mundane—modifying filter paper grades, adjusting pH endpoints, or switching drum liners. But most meaningful changes come from customers who see firsthand how chemistry works or falters on the application side. There’s no substitute for cumulative experience in refining a product.

    Sustainability Practices in the Heart of Fine Chemical Production

    Our industry feels the push to address environmental impact—not just to avoid fines, but because long-term access to raw materials, local water supplies, and waste disposal depend on responsible practice. The 4-Anilinophenol synthesis uses significant volumes of solvents and washing agents. By recapturing solvents for re-use and reducing effluent, our plant minimizes both environmental and regulatory exposure.

    Process redesigns target yield improvement and energy use reduction. Team members designed a new heat-exchange protocol that both lowered cooling water demand and prevented bottlenecks during peak production. We share summary data with both customers seeking “green” sourcing and local regulators. For customers in the sustainable goods space, this commitment enables them to meet their own environmental budget, offering reassurance that their supply chain does not undercut ecological standards.

    What True Partnership in Chemical Sourcing Looks Like

    Over time, our clients shift from price-driven relationships to ones based on shared stakes in safety, consistency, and growth. Many found us after poor experiences with anonymous brokers—batches that failed process checks, inconsistent documentation, or radio silence when issues emerged. We keep open channels for real technical questions and encourage site visits and third-party audits.

    Our perspective comes not from sitting behind a desk, but from years on the floor, hearing stories and tackling real setbacks. As manufacturing partners, we benefit when our customers’ launches succeed and suffer in parallel when projects stall due to poor material behavior. This shared outcome approach breaks down barriers, fostering direct, technical conversations instead of filtering everything through sales intermediaries.

    We do not make speculative claims about what “could be possible” with 4-Anilinophenol; our feedback grows from the products and applications our customers have used for years. If a batch fails to meet expectations, every member of the plant and quality team bears that scrutiny and works for an honest solution. That sense of mutual accountability shapes our investment decisions and customer service efforts.

    Final Thoughts on 4-Anilinophenol—Drawn from Our Manufacturing Experience

    Every lot of 4-Anilinophenol rolling off our line represents more than chemical formulae or test numbers—it reflects a complete manufacturing ecosystem, refined by customer feedback, regulatory scrutiny, and internal standard setting. Buyers recognize the difference when working directly with the plant—the ability to talk though challenges, understand the real factors influencing each batch, and confidently trace every drum from our site to theirs.

    We count ourselves among those who believe transparency and reliability should come built into every chemical shipment. Customers investing in critical syntheses and sensitive formulations know the difference. They return not for a commodity, but for a proven relationship at the point of source. We will always make our standards and processes open to scrutiny for this reason. Our work doesn’t end when a drum ships; it carries through to the results at the customer’s site. That promise, built on hard-won, direct manufacturing experience, defines every shipment of 4-Anilinophenol from our facility.