|
HS Code |
751874 |
| Iupac Name | Naphthalen-2-ol |
| Cas Number | 135-19-3 |
| Molecular Formula | C10H8O |
| Molar Mass | 144.17 g/mol |
| Appearance | White to light brown crystalline solid |
| Melting Point | 121-123 °C |
| Boiling Point | 285 °C |
| Density | 1.28 g/cm³ |
| Solubility In Water | Slightly soluble |
| Pka | 9.51 |
| Odor | Mild phenolic |
| Flash Point | 157 °C |
| Refractive Index | 1.644 |
As an accredited 2-Naphthol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 2-Naphthol is packaged in a 500g amber glass bottle with a secure screw cap and clearly labeled with hazard warnings. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for 2-Naphthol involves safely packing 16-18 metric tons in bags or drums, ensuring moisture-proof transport. |
| Shipping | 2-Naphthol is shipped in tightly sealed containers, commonly made of glass or high-density polyethylene, to prevent moisture and contamination. It should be transported as a hazardous material, adhering to regulations for flammable solids. Proper labeling, handling with protective equipment, and storage away from incompatible substances are essential during shipping. |
| Storage | 2-Naphthol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. It should be protected from light and moisture. Properly label the storage area, and keep away from sources of ignition. Personal protective equipment should be used when handling to prevent exposure. |
| Shelf Life | 2-Naphthol has a shelf life of about 5 years when stored in tightly sealed containers, away from light, heat, and moisture. |
Competitive 2-Naphthol prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@boxa-chem.com.
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Tel: +8615371019725
Email: sales7@boxa-chem.com
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We run our 2-Naphthol line with a commitment forged from decades of chemical manufacturing experience. Over the years, we have seen shifts in demand, updates in purity standards, and a growing sense of responsibility for environmental performance and consistency of material. Today, 2-Naphthol, known chemically as beta-naphthol or 2-hydroxynaphthalene, comes out of our reactors as a fine, white to off-white powder, with a purity level generally exceeding 99%—meeting the requirements for advanced downstream chemistry in colorants, rubber processing, and fine chemicals.
This product stands out in aromatic chemistry for bridging benzene ring reactivity with moderate solubility and stability. We package it primarily in 25kg fiber drums to minimize moisture ingress and ensure safe handling through transport chains. Shelf life depends on storage conditions—avoiding prolonged moisture and sunlight exposure maintains reactivity and flow. Thanks to careful controls from the earliest stages of our process, we keep free acid, iron, and ash contents strictly within tightly set limits. Our analytical team keeps a sharp eye on melting point, which serves as a telltale for purity and presence of contaminants, typically registering between 120–124°C for our material.
We have invested considerable capital and training into closed-loop reactor systems for naphthalene sulfonation and subsequent high-temperature hydrolysis. This tight-reined approach reduces byproducts and preserves the phenolic group, setting our 2-Naphthol apart in both performance and reliability. It makes rigorous difference in color development for azo dyes, where batch variation often creates wasted time and money downstream. Every batch gets fingerprinted by HPLC and GC for aromatic purity—it is neither an abstract number nor marketing pitch, but a daily output thanks to old-fashioned discipline and modern analytics.
As a manufacturer, we don’t just ship a powder. We send out a key intermediate that defines production runs across several sectors. The largest share goes into dye synthesis, where 2-Naphthol acts as the coupling component in azoic dye manufacture. The color strength, clarity, and fastness of these dyes hinge directly on the purity and reaction fit of the 2-Naphthol substrate. Our experience with dye customers taught us that even trace impurities lead to off-shades or poor coverage, especially under stress conditions such as post-application steaming or alkali exposure.
Rubber chemical producers rely on our 2-Naphthol for antioxidant and accelerator creation. Here, the consistency of phenol groups matters: physical imperfections or chemical noise in the naphthol slows downstream reactions, raises batch rejection rates, or affects end-rubber elasticity. The same is true in optical brightener and agricultural adjuvant production, where chain-length and aromatic stability become essential. We use feedback from large-scale users to fine-tune our own processes, trimming away steps or narrowing controls that don’t serve real-world performance.
Our investment into understanding customer applications gives us insight long before issues reach production lines. For example, textile dyers are intolerant of even small iron traces—our automated filtration and deionization step has proven critical for ensuring feedback reports color consistency every time. Similarly, some advanced pharmaceutical syntheses use 2-Naphthol as a core building block; certain impurities that don’t matter in a dye run become deal-breaking in drug intermediates, and our line can be adapted to deliver far stricter specs, depending on the downstream chemistry.
2-Naphthol comes in several models, each shaped by the needs of specific customer bases. Most frequent is standard high-purity grade, hitting specifications demanded by dye and pigment makers. Pharmaceutical and specialty applications occasionally require ultra-low impurity runs. These batches pass through additional distillation and fine-polishing steps. Our optional micronization service creates a finer mesh product, ideal for slurry applications or formulation into coating solutions.
Dusting has always been a challenge in aromatic powders. We developed both granular and dust-reduced variants by continuous improvement with our handling technicians. Less airborne material means less health risk during plant transfer and minimizes raw material loss. Our granular form, achieved through careful agglomeration and screening, works especially well for large-spread, automated feeding systems.
Long-haul shipments or climate-variable destinations sometimes demand enhanced packaging or inert gas padding. Several customers ship our 2-Naphthol through ports with wide fluctuations in temperature and humidity. Our in-house packaging team works alongside logistics and warehouse staff to design transit-proof containers. By minimizing contact with oxygen and water vapor, we ensure the delivered product does not clump or degrade—problems that increase site production line downtime. This attention to packaging grew directly from listening to maintenance and production staff rather than upper management abstractions.
Handling safety and regulatory compliance define our production layout. Every shift, operators run detailed checks on ventilation, dust collection, and waste stream management. 2-Naphthol is an irritant and, like most phenols, must be handled with gloves and goggles on. Our experience with spill management, decontamination, and regulatory documentation means we have built not just a compliant product, but a secure workflow. We routinely support downstream users by providing detailed safety data, spillage advice, and recommendations for personal protective equipment—direct answers drawn from what works on our own shop floor.
Across the years, customers often ask why 2-Naphthol, and not 1-Naphthol or alternative phenolic intermediates. The position of the hydroxyl group on the naphthalene ring proves critical during diazotization coupling: 2-Naphthol's structure gives greater selectivity and stronger reactivity, resulting in brighter and more washfast azo colors. 1-Naphthol, by contrast, reacts differently and often yields colors that are duller or have reduced affinity for fiber. In rubber and polymer chemistry, the subtle differences in ring substitution play out as changes in elasticity and weathering stability. Our plant runs only 2-Naphthol on this line, ensuring segregated processing and zero cross-contamination.
Another area of confusion revolves around synthetic versus naturally derived intermediates. Ours is strictly synthetic, made via controlled chemical processes from naphthalene, ensuring batch reproducibility and tight environmental controls. Industry-wide, synthetic 2-Naphthol sets the benchmark for measurable purity and uniform physical characteristics.
It pays to note distinctions from bulk phenol or cresol-based intermediates, sometimes proposed as cost-saving substitutes. These have different ring structures, solubility, and reactivity profiles. In our experience, the intended end application should always guide raw material choice. Few substitutes match the nuance and efficiency 2-Naphthol brings to coloring chemistry and stabilizer manufacture. We consistently advocate for open conversations with customers about what actually takes place at their process step—no generic replacements can do the same job.
Our technical staff works hand-in-hand with user R&D groups, tackling daily puzzles from color drift to reaction bottlenecks. We see value in chemical manufacturing not from online certificates, but from how products perform in a running plant. Over the last decade, greater focus has landed on process integration—2-Naphthol’s compatibility with continuous dyeing setups or its filtration behavior in large batch reactors. We take pride every time a client closes a loop on their process thanks to a tweak in our manufacturing run. Sometimes, quality variation in upstream raw naphthalene sources pushes us to retool purification sequences and revisit aging equipment, keeping modern standards at the forefront of old-line chemistry.
There’s also been constant push for greener, more sustainable routes. Today, our process recycling rates for solvents run over 90%, with continual improvements toward further waste reduction. This means less downstream environmental impact, fewer unexpected residues in products, and a more stable, transparent process flow. As the regulatory landscape tightens, especially on aromatic intermediates, our practical familiarity with compliance and documentation helps both us and our clients stay ahead of disruption.
We don’t believe in hiding process challenges. For instance, our plant staff regularly reviews energy usage and emission data to spot any drifts before they cause compliance issues. Whenever we identify a trend—changes in vapor emissions, unexplained impurity blips, or increased filter maintenance needs—we respond by sharpening controls and involving plant teams directly in troubleshooting. This boots-on-the-ground approach keeps us prepared for new product requirements or rippling changes in downstream industries, such as shifts in textile dye regulations or new safety mandates for industrial chemicals.
Choosing a supplier for 2-Naphthol isn’t only about checking a chemical formula or comparing price lists. Reliability starts at the plant level—in batch-to-batch uniformity, process transparency, and practical engagement with customers’ needs. Through routine site visits and open technical calls, we put firsthand knowledge to work by walking clients through troubleshooting, process optimization, or new formulation runs with our materials. This approach pays off in fewer unplanned stoppages, higher yield, and more predictable color results.
Back at our facility, nothing runs as background noise: every process change logs automatically, tracked by our team well before it affects finished product. A mix of old-school process experience and new automation systems helps us stay ahead, whether updating quality testing technology or tracking complex regulatory changes. We maintain sample archives, so any question about an earlier batch gets answered tangibly, not with half-formed guesses.
Real-world contentment comes from more than technical details. Long-haul customers rely on us because our site staff, R&D chemists, and sales teams work together in full view of the process line. We test major upgrades directly before rollout. Feedback from maintenance techs and line engineers means a new product feature or packaging solution only launches after multiple cycles of grounding in practice. That’s how our granular 2-Naphthol grade grew—not as a theoretical improvement, but as a dust minimization move that plant operators requested for years.
Sustained relationships matter most in tough market cycles. Late shipments, technical snags, or unexpected regulatory hurdles can shut down a production run and lose precious weeks. Our planning managers monitor logistics routes and seasonal climate patterns to adjust lead times and packaging, keeping disruption to a minimum. If a problem does arise, realistic advice comes from plant veterans and technical staff, not an untrained call center. We want customers to see us as a source of solutions—practical, based on lived experience, and never arm’s-length.
Our team never stops reviewing production metrics or soliciting user feedback to refine what we send out the door. As downstream applications evolve, so do user expectations. Textile manufacturers raise questions about lower trace metals in dyes; rubber producers want feedstocks that cut cycle time on new lines; specialty chemical developers need broader technical support to test compatibility. We dedicate time—on-site visits, process audits, series sample trials—to make these adjustments possible.
Technology keeps shifting, pushing new challenges through the pipeline each year. Years ago, higher reaction yields were the only benchmark, but today, regulatory shifts and tighter impurity thresholds call for smarter processing. Our quality department tracks not just output metrics but user endpoint outcomes—from color consistency in fabric lines to performance in stabilized rubber. Field feedback isn’t a nice-to-have, but a core part of how we upgrade and reinforce our operation.
As a producer, seeing the full cycle from raw material delivery to post-consumer waste gives a clearer picture than any desk-based analysis. Our facility engages with environmental audits, emissions abatement standards, and updated hazard management with the same attention as product quality or on-time delivery. The shift toward greener chemistry and transparent supply chains makes us anchor our approach to measurable action—higher recycling rates, reduced process water usage, cutting down fugitive emissions.
Moving forward, transparency in sourcing and full traceability across our supply chains help us meet both user preferences and external certification audits. Our dedicated compliance team traces all production materials, tracks batch allocations, and prepares clear data trails for every lot—all to ensure confidence up and down the chain. Our operations have withstood both planned and surprise regulatory inspections, always welcoming the chance to show how real-world compliance works in practice.
For us, 2-Naphthol means more than a chemical code on a packing slip. Each batch encapsulates the work of skilled operators, real-time adjustments by production supervisors, and steady improvements prompted by customer feedback. The way our powder behaves in a dye bath, polymer reactor, or pharmaceutical step shapes ongoing improvements on our factory floor. Reliable material, safe handling, and attentive support come together to make a product that doesn’t just fill an order—it fits seamlessly into working plants and runs through challenging market cycles.
All told, our experience with 2-Naphthol extends beyond the chemistry lab. As both process owner and solution partner, we stand ready to help users achieve performance, safety, and reliability goals. Open lines of communication, practical insights from years on the production floor, and ongoing investment in technical capacity set us apart—qualities we continue to build on for every shipment that leaves our gates.