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HS Code |
556594 |
| Chemical Name | Phenyl 1-Hydroxy-2-Naphthoate |
| Molecular Formula | C17H12O3 |
| Molecular Weight | 264.28 g/mol |
| Appearance | White to off-white crystalline powder |
| Melting Point | 138-142 °C |
| Solubility | Slightly soluble in water, soluble in organic solvents |
| Cas Number | 2176-62-7 |
| Density | 1.30 g/cm3 (approximate) |
| Structure Type | Aromatic ester |
| Functional Groups | Hydroxy, ester, aromatic rings |
| Iupac Name | Phenyl 1-hydroxy-2-naphthoate |
As an accredited Phenyl 1-Hydroxy-2-Naphthoate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sealed amber glass bottle containing 100 grams of Phenyl 1-Hydroxy-2-Naphthoate, labeled with product information and safety warnings. |
| Shipping | Phenyl 1-Hydroxy-2-Naphthoate should be shipped in tightly sealed containers, protected from light and moisture. Transport according to local, national, and international regulations for chemicals. Use appropriate labeling, cushioning, and secondary containment to prevent spills or breakage. Suitable for air, sea, or ground transport as a laboratory chemical; check for specific hazard classifications. |
| Storage | **Phenyl 1-Hydroxy-2-Naphthoate** should be stored in a tightly sealed container, away from moisture, direct sunlight, and sources of ignition. Keep in a cool, dry, and well-ventilated area, preferably in a dedicated chemical storage cabinet. Avoid storage with strong oxidizers or acids. Ensure proper labeling and keep away from incompatible substances and food or drink items. |
Applications of Phenyl 1-Hydroxy-2-Naphthoate in Industrial ManufacturingAs a specialist manufacturer of Phenyl 1-Hydroxy-2-Naphthoate, we supply this compound for several advanced industrial sectors. Each end-use application integrates tight regulatory requirements, optimized formulation ratios, and dedicated processing steps to achieve market-specific finished products. 1. Organic Pigments for High-Performance PlasticsPhenyl 1-Hydroxy-2-Naphthoate acts as an important intermediate in the synthesis of organic pigment dispersions for engineering plastics. Its molecular structure supports the manufacture of pigments with enhanced heat stability and resistance to photodegradation, which are essential attributes in automotive, electrical, and consumer appliance components. The product enters the pigment manufacturing process during the coupling stage, where it reacts under specified conditions with diazonium salts to form azo pigments. Compliance with food-contact regulatory limits and migration testing is essential, especially for pigments used in packaging or children’s products, requiring adherence to international standards and routinely controlled batch records. Formulators determine the ratio based on both color strength and final polymer application, balancing between consistent shade quality and efficient dispersion into polymer matrices. Industry compliance standards
Typical usage ratio
Downstream process integration
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2. Pharmaceutical Intermediate for Antibacterial AgentsThis material serves as an intermediate in the multi-step synthesis of certain antibacterial compounds. The naphthoic ester group enables further functionalization, allowing for precise control in active pharmaceutical ingredient (API) development. Our manufacturing process isolates high-purity lots, supporting consistent reactivity in downstream medicinal chemistry steps. GMP documentation, toxicity control, and purification validation underpin each shipment destined for pharmaceutical use. Chemists adjust the usage level according to the desired yield and reaction kinetics, with analytical QC performed on every batch for residual impurities and identity confirmation. Integration occurs during the esterification or derivatization stages, prior to building the core pharmacophore structure for the final API. Industry compliance standards
Typical usage ratio
Downstream process integration
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3. Dye Intermediate for Technical TextilesThis compound enters textile dye production as a key hydroxy-naphthoate intermediate. In technical textile manufacturing, dyestuff suppliers use it to synthesize disperse and acid dyes tailored for synthetic fibers. It contributes to colorfastness and wash resistance properties required in industrial, automotive, and upholstery textiles. The material enters the dye process after condensation or during diazo coupling stages, where close process monitoring ensures batch-to-batch color consistency. Compliance with textile industry standards and restricted substance lists is critical, especially for goods that need to meet OEKO-TEX or automotive interior requirements. The formulation ratio depends on the targeted chromophore intensity, typically fine-tuned by lab-scale pre-trials before commercial production. Industry compliance standards
Typical usage ratio
Downstream process integration
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4. UV Absorber Precursor for High-Durability CoatingsPhenyl 1-Hydroxy-2-Naphthoate acts as a synthetic building block for certain benzotriazole-based UV absorbers applied in exterior-grade coatings. Coatings formulators choose this precursor for its reactivity and compatibility with UV-stabilizing chemical pathways. Used during condensation or cyclization stages, the intermediate enables production of finished UV absorbers meeting strict weathering resistance requirements. Downstream QA departments validate incoming lots through HPLC and spectroscopic identity prior to scale-up. End-use coatings must comply with international environmental and performance regulations such as VOC content and automotive OEM standards. Usage ratios are adjusted for specific clearcoat thickness and exposure profile, with field trials calibrating the exact loading levels. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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Our years working hands-on with naphthalene chemistry have led to steady improvements in both purity and consistency. Phenyl 1-Hydroxy-2-Naphthoate stands out in our lineup, not only for its structure but for how smoothly it performs in downstream syntheses. Some applications need a compound that behaves reliably in batch and flow processes without fussing over variables. We created this compound to fit these needs after hearing from site chemists about the headaches that come from flaky intermediates or contaminated lots. Every batch we ship meets strict GC and NMR benchmarks that we ourselves rely on for our continuous runs—there’s no divide between the product we sell and the material we use in-house.
Phenyl 1-Hydroxy-2-Naphthoate earned its reputation for clean melting transitions and a high threshold for discoloration under light or heat. This is not the sort of input that breaks down before you need it. Under normal warehouse storage, it holds color and solubility over time without crusting, stratification, or unexpected precipitates. Habit built from watching inferior stock degrade in client barrels led us to tighten specs for HPLC purity, keeping trace byproducts—unavoidable with some run-of-the-mill syntheses—well below one percent. Their absence makes all the difference during bromination or esterification, where side reactions wash out time and base. Here we hold moisture below 0.1%, because anyone finishing this intermediate for dyes or optical brighteners knows what a fraction of a percent of water can trigger during acylations. Chemically, it gives a solid white powder with a melting point you can count on for blending and melting operations. Consistent melting keeps it friendly during transfer and mixing, which plant operators appreciate since batch-to-batch swings slow down lines and erode trust.
We designed the packaging and quality checks after grinding through bottlenecks on our own production lines. You won’t see the powder forming sticky lumps even after prolonged shipping—all the way from our reactors to the far end of a multi-continental logistics chain—because each order moves through humidity-controlled rooms and gets sealed quickly. Shelf life ran well beyond three years in our internal pilots, which matched what end-users reported after return sampling. Not every competitor invests in long-term stability monitoring, but we keep retention samples and test stability every season. It’s the only way to be confident a five-ton lot will run the same way next year as it does today.
Chemists at user plants work long hours to push margins and maximize yields, whether they’re serving printing, dye, or specialty organic sectors. We learned early not to view the compound as just a building block; every shipment puts company reputations on the line in batch reactors and kilo-scale labs. While others rotate through brokers who treat each item like a generic, we make this compound in custom reactors, always controlling for ring opening and para–ortho isomer ratios. That discipline matters for users running multi-step synthesis programs that accumulate impurities from every upstream deviation. Phenyl 1-Hydroxy-2-Naphthoate acts as a reliable anchor in the chain, letting you focus process improvements elsewhere.
In practical terms, our product finds its way into coupling procedures, oxidative rearrangements, and esterifications. Customers in the dye industry, where color consistency turns into real commercial value, have returned to our product precisely because product color and hue depend not just on the primary structure but on what tagged along from prior steps. No one likes discovering that an off-white intermediate turns out to be full of UV-setting impurities. As one process engineer told our technical team, being able to order confident that “batch A last fall runs the same as batch B this spring” saves hours of frustrating analytic work. We hear similar feedback from groups scaling up new API precursors, especially when moving out of lab glass into jacketed steel. Process control heads off so many headaches, particularly when you’re required to validate each intermediate in a crowded regulatory environment.
Not every supplier takes the time to drill down on trace impurities or go back through old logs to check for systemic batch issues. Some in the market simply repack purchased material from third parties, slapping on a new sticker. We start with transparent batch records, sample retention, and a willingness to retrace steps if an anomaly crops up. Over the past decade, we’ve replaced earlier crystallization protocols with slower, multi-stage processes—not only to target fine particle size but to capture co-crystallizing contaminants that slip by fast single-step operations. The result is greater control of ‘tail’ impurities, especially the persistent phenolic side-products that tend to build up during high-throughput manufacturing. Our analysts test for these both pre- and post-drying, since we’ve learned that some “clean” material develops unexpected chromophores after weeks on the shelf. This attention to lifecycle stability sets us apart for those whose products can’t tolerate color drift or loss of solubility later on.
We also work closely with clients introducing new formulation protocols. Sometimes the difference comes down to how Phenyl 1-Hydroxy-2-Naphthoate dissolves in mixed polar solvents or handles thermal excursions in continuous operations. Engineers who ran headlong into filters clogging with crystal fines asked us to adjust average particle size—so our current batches reflect what they requested, not just a range from the batch sheet. These process tweaks reflect years spent troubleshooting on real production floors. Nobody benefits from long supplier lists filled with faceless intermediates. Our team includes chemists who spent their careers balancing loading rates and managing run-time hazards, and every support call runs straight to them rather than passing through layers of administration.
Maintaining a plant’s efficiency comes down to far more than what appears on a certificate of analysis. We have seen the impact firsthand—high moisture content leading to stuck reactions, or color drift showing up in final product during seasonal transitions. Early in our company’s run, missed lots due to subpar intermediates cost both money and trust with longstanding customers. That drove us to send staff to user facilities, checking how our product performed in real applications and gathering not just numbers, but practice-based feedback. Quality audits now pull samples from each spread of batches and run them through full process simulations in our pilot suite, mirroring client process specs. This is more demanding than spot-checking for major contaminants, but it spotlights batch anomalies and gives us deeper visibility into both performance and weaknesses. Continuous improvement only happens when the manufacturing team and real users meet and build open feedback.
We respond quickly when change is needed. Over the years, we encountered reports about blockages at certain heating curves and variable yields at endothermic steps. After line trials and in-house testing, we shifted purification and handling, narrowing melting ranges and drying end-points. Tweaking these details shifted batch consistency upward and helped users avoid product reprocessing and the costs that follow. We can trace these fixes directly to direct conversations with chemists running daily production—never to abstract “best practices” or spreadsheet-only decisions. Every tweak is tested in our own line before release. You see the same lot consistency that we need for our own downstream work.
Chemistry production isn’t faceless. Each batch passes through the hands of operators, analysts, technical managers—people with decades of practice who understand what turns a fair product into a high-performing one. We keep an open-door system: process ideas, common issues, or hard-to-diagnose failures are always discussed, not just filed away. Some of our improvements to Phenyl 1-Hydroxy-2-Naphthoate came directly from user-site visits, observing equipment in action, and reviewing logs. That’s why our packing was refined to prevent caking and why we introduced a new stabilizing additive two years ago. Whether the job requires shifting particle size or keeping an eye out for thermal stability at high shear mixing stations, we trust field feedback more than generic lab theory.
This approach helps forge long relationships with clients. Some have relied on us for years, weathering market shortages or sudden process shifts in-house. Our commitment to the product’s real-world function underlines each shipment. Whether shipped in small drum increments or by the metric ton, our QC and technical heads sign off only if batches hit benchmarks far tighter than the statutory minimum. Open communication with our supply chain partners means traceability across every stage, from raw material intake to solvent recovery. By keeping the focus on tangible outcomes—run time, yield, ease of dissolution, and color—we keep improving the product where it matters most to the people who use it every day.
Innovation thrives in a supportive production environment. Over the past ten years, we’ve invested in both pilot-scale and full-run test stations dedicated to new uses for Phenyl 1-Hydroxy-2-Naphthoate. That means researchers testing greener esterifications, or process engineers scaling up new conjugation reactions, have access not just to a raw material, but to the technical support and shared experience of a manufacturer who sees the full product life-cycle. We’ve helped multiple partners launch specialty pigment and dye programs by supplying pre-release batches, sharing our in-house application data, and running parallel process validation. Some startups depend on us to scale from bench to pilot; we walk through adjustments directly, sometimes running overnight test cycles to simulate high-throughput industrial runs. This isn’t just good practice—it’s a recognition of the reality that process bottlenecks and unimagined use-cases often appear in the transition from lab curiosity to reliable product.
Not every experiment will work; not every tweak leads to new commercial possibilities. But building trust with R&D teams means sharing both advances and setbacks, refining protocols together, and knowing that the intermediate—they rely on—matches what we use in our own reactors. Sometimes this means customizing a batch to handle an unusual reagent profile, or adjusting drying and filtering steps if a new purification boosts downstream yield. Every inquiry goes to technical staff trained in applied reaction chemistry, ensuring you get nuanced support tailored to actual plant needs, not generic scripts.
Manufacturing and shipping organic intermediates come with obligations to both people and the environment. Our production runs for Phenyl 1-Hydroxy-2-Naphthoate are closely monitored to limit waste and control emissions. Spent solvents are almost entirely recovered through dedicated distillation modules designed by in-house engineers with chemical plant experience. Those practices stem not only from compliance requirements but from the cost realities of waste disposal and solvent loss, which hit especially hard in an industry where thin margins only shrink with each inefficiency. By reinvesting in monitoring technology, thermal recycling, and closed-loop solvent lines, we keep our emissions profile in check and control lot-to-lot variability—even if achieving this required up-front investment and process downtime. The payoff reaches client sites too: our product contains minimal solvent residues and fewer environmental byproduct burdens, making downstream compliance audits smoother for user facilities.
Transport, storage, and handling get the same care. We’ve worked out reliable, safe shipping procedures and monitored container returns, sharing learnings with user compliance teams. Fielding technical queries about storage—and seeing how our product performed under less-than-ideal conditions—prompted us to rethink our drum liners and secondary packaging. The changes resulted in fewer customer complaints about humidity faults or product caking. Environmental and handling improvements propagate not just through our plant, but through the entire supply chain, saving time and cost for everyone down the line.
There’s an enduring advantage in partnering with manufacturers who live with their products daily. Years of synthesis, troubleshooting, and continuous improvement shape not just purity levels but reliability across diverse applications. Every tweak—whether to particle size, melting point, solubility, or packaging—came from fixing real-world hurdles in production, not just meeting abstract marketing requirements. Our staff have produced and used Phenyl 1-Hydroxy-2-Naphthoate themselves, giving them a rare perspective on the needs and challenges facing formulators and operations heads who count on our product as a key input. Over the long haul, that practical bench experience far outweighs the fleeting advantages of anonymous, low-cost sourcing.
By keeping the focus on measurable production benefits and transparency about both strengths and limitations, we’ve built a product ready for the realities of industrial use. Those who rely on consistency, support, and continuous development will find a manufacturer who speaks the same language, values reproducibility, and cares about the long-term trajectory of their partners’ work. In the evolving world of fine chemical synthesis, that sort of grounded commitment brings far greater value than any generic datasheet or rebranded shipment ever could.