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HS Code |
266839 |
| Iupac Name | Pyridin-2-ol |
| Molecular Formula | C5H5NO |
| Molar Mass | 95.10 g/mol |
| Appearance | Colorless to pale yellow liquid or solid |
| Cas Number | 583-61-9 |
| Melting Point | 23-26 °C |
| Boiling Point | 196-198 °C |
| Density | 1.169 g/cm³ |
| Solubility In Water | Soluble |
| Pka | 8.35 |
| Smiles | C1=CC=NC(=C1)O |
| Inchi | InChI=1S/C5H5NO/c7-5-3-1-2-4-6-5/h1-4,7H |
As an accredited Pyridin-2-ol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Pyridin-2-ol (100g) is a sealed amber glass bottle with a secure screw cap and detailed hazard labeling. |
| Shipping | Pyridin-2-ol should be shipped in tightly sealed containers, protected from moisture and light. It requires labeling as a hazardous material, typically under standard chemical shipping regulations. Transport should occur at ambient temperature, without exposure to extreme conditions. Ensure compliance with DOT, IATA, or IMDG guidelines for safe and legal transit. |
| Storage | Pyridin-2-ol should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizers. Keep the container tightly closed and protected from moisture and direct sunlight. Store in a clearly labeled, compatible container, and follow all applicable local regulations for chemical storage to ensure safety. |
Applications of Pyridin-2-ol in Industrial ManufacturingPyridin-2-ol is a multifunctional heterocyclic compound that plays key roles across several industrial production chains as an intermediate and functional additive. It serves as a core building block for active ingredients and specialty additives in pharmaceuticals, agrochemicals, polymer production, and metalworking fluids. As a primary manufacturer, we tailor pyridin-2-ol to satisfy complex downstream demands, integrating our product directly into various formulation and processing environments. Below are the principal applications with specific technical details. 1. Pharmaceutical Active Pharmaceutical Ingredient (API) SynthesisPyridin-2-ol is widely utilized as an intermediate for producing beta-lactam antibiotics, anti-tubercular drugs, and neurological agents. In GMP-regulated API plants, the compound undergoes methylation or acylation in the early-stage synthesis, directly participating in heterocycle construction or functional group transformation. Production lines require precise impurity profile control and traceability due to integration in human drug supply. Batch or continuous flow processes use pyridin-2-ol in designated reactors governed by validated protocols. Synthesis cocktails adjust concentration based on solubility, desired reaction kinetics, and downstream isolation needs for high-purity output. Industry compliance standards
Typical usage ratio
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2. Agrochemical Synthesis – Herbicide and Fungicide IntermediatesPyridin-2-ol is an essential intermediate for several pyridine-based herbicides and fungicides. Downstream agrochemical manufacturers introduce it during nitrogen-heterocycle core assembly, facilitating the construction of selectivity-conferring moieties. Strict attention to process contaminants and residue levels is maintained owing to regulatory exposure tolerances. Custom closed-system reactors, often with inline purification skids, ensure minimal waste and high conversion rates as per industry environmental targets. Formulators select the usage ratio based on both yield optimization and resistance management protocols published by stewardship organizations. Industry compliance standards
Typical usage ratio
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3. Polymer and Resin Manufacturing – UV Stabilizer PrecursorPolymer plants employ pyridin-2-ol as a precursor for synthesizing light stabilizer additives, particularly for acrylics, polyurethanes, and high-performance coatings. The compound enters the production cycle during the creation of hindered amine light stabilizers (HALS) and synergist blocks. Careful quality assurance ensures that pyridin-2-ol’s introduction does not compromise resin clarity or long-term photochemical stability. Plants determine the actual dosing after resin compatibility and UV durability testing, considering both base resin type and end-use performance threshold. Industry compliance standards
Typical usage ratio
Downstream process integration
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4. Metalworking Fluid and Lubricant Additive ManufacturingPyridin-2-ol functions as a corrosion inhibitor precursor in formulating specialty metalworking fluids and high-performance lubricants. Downstream additive producers synthesize derivatives or salts using in-line neutralization or esterification units. These finished additives impart long-term steel and iron corrosion protection during forming and finishing. Formulators design the final blend ratio based on fluid sump life, equipment metallurgy, and exposure conditions validated by tribological testing. Process reliability and compliance with field-specific regulatory standards, such as limits for harmful amine content, determine material handling protocols. Industry compliance standards
Typical usage ratio
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5. Analytical Reagent Production for Laboratory and Diagnostic KitsPyridin-2-ol is refined and packaged as a critical reagent for chemical analysis, including spectrophotometric testing and organic synthesis research kits. Laboratory reagent manufacturers evaluate purity by HPLC and NMR, ensuring minimal background interference in diagnostic tests and in situ reactions. Accurate bottling and traceability, combined with adherence to laboratory chemical supply standards, guarantee downstream researchers obtain reliable assay performance. Packaging and documentation meet institutional import and hazardous materials regulations. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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Years of effort in chemical production have taught us that purity and consistency separate reliable lab reagents from those that frustrate research and industrial progress. Pyridin-2-ol stands out among our offerings, not because of marketing, but because we spend time every day refining its quality in our facility. Our work brings us close to each batch and its performance for end users. Every step of our process, from raw material selection to final product testing, keeps end application and customer experience at the forefront.
Pyridin-2-ol, also referred to as 2-hydroxypyridine, sits in a unique position in the pyridine family. Chemists recognize its structure as a six-membered ring, featuring one nitrogen atom and a hydroxy group attached to the second carbon. This configuration imbues it with tautomerism – a property critical for many applications that require dynamic equilibrium between N-hydroxy and O-hydroxy forms. As a manufacturer, attention to isomeric purity marks one of our chief concerns, since impurities or isomeric inconsistencies create headaches down the chain, especially in pharmaceutical synthesis and analytical chemistry.
We routinely produce Pyridin-2-ol in kilogram and ton-scale batches. Our typical product grade exceeds 99% purity by HPLC, and we include detailed certificate of analysis data—the same data we reference to validate every drum that leaves the floor. Many applications cannot tolerate lower purity ranges or excess residual moisture, so our drying, packaging, and QC methods all focus on these endpoints.
Pyridin-2-ol offers unique reactivity. The molecule’s nucleophilicity and the hydrogen bonding potential of its hydroxy group give it utility in metal ion coordination, catalyst design, specialty polymerization, and as an intermediate in pharmaceutical production. Teams have adopted our material for the synthesis of medicinal agents, particularly where substitution patterns on the pyridine ring influence biological activity. Its chelation ability makes it valuable in ligand design for transition metal complexes—often a make-or-break quality in catalysis and biochemical probes.
We've had customers in catalyst manufacturing remark on reduced byproduct formation when switching to our pyridin-2-ol. In another area, diagnostic reagent producers cite lot-to-lot consistency as a point of relief, freeing up their QC teams to tackle more demanding tasks rather than chasing unexplained background noise from impure feedstock. Our own feedback cycles depend on these real-world results, not mere certificates or promotional claims.
Unlike some specialty chemicals, pyridin-2-ol synthesis and purification demand vigilance. Raw material traceability matters greatly – we work directly with upstream suppliers rather than relying on layers of trading agents. Each step, from the initial reaction to final drying and packing, undergoes monitoring through in-house analytical setups: GC-MS, HPLC, and titration serve as daily tools, not just for final verification but for troubleshooting any sign of drift.
Through periods of market tightness or global supply chain interruptions, direct control over our batches allows us to maintain reliable lead times. Colleagues in pharma and research insist on it, having faced costly delays or reruns when vendors fail to deliver repeatable quality. We prefer to cry over a failed batch in our own plant than to pass unresolved issues to you.
The distinction between 2-hydroxypyridine and its isomers is not trivial. Attempting to substitute with 3- or 4-hydroxypyridine can derail a project—structural position affects everything from reactivity to physical handling. For instance, in chelation and coordination chemistry, shifting the hydroxy group changes ligand bite angles and complex stability. In synthetic routes where pyridin-2-ol serves as an acylation or alkylation substrate, isomer substitution leads to reduction in yield or outright product failure. Having direct experience with both in routine batches, our team remains vigilant toward these differences through batch number, labeling, and training at every scale.
Some facilities blend or dilute product to stretch inventory—this introduces significant downstream risk. Higher water content means variability in polarity and hydrogen bonding, which matters for both chemical transformations and storage stability. We control and guarantee water below 0.5% by Karl Fischer titration, recalibrating our dryers and handling conditions as season or humidity fluctuate. This extra vigilance increases operational cost, but end users report fewer solubility and mixing problems—a tradeoff we have learned not to avoid.
Pharmaceutical companies often investigate new leads using pyridin-2-ol as a starting point. A promising scaffold quickly becomes a dead end if the quality of building blocks isn’t maintained. Medicinal chemistry departments working on kinase inhibitor programs, for example, rely on the reproducibility of our lots for meticulously documented SAR studies. Analytical customers have used our pyridin-2-ol as an internal standard or derivatization agent—each of these use cases puts microscopic scrutiny on impurities, residual solvents, and stability data.
We see our reputation built not only on the grams or kilos shipped, but on the reliability we foster. After repeated feedback from returning clients, we have added batch reservation services and accelerated documentation processes for ongoing projects. This has proven worthwhile; one biotech customer told us their project timelines improved by a full quarter after switching to our inventory reservation and rapid-release documentation protocols.
Managing a busy production line for fine chemicals always produces a fresh set of lessons. Years ago, a hot summer revealed packaging limitations that allowed trace moisture ingress. This didn’t reveal itself in bench tests but caused subtle shifts in physical handling at the customer site. A redesign of container liners and improved nitrogen blanketing now lock out those issues, and recent audits from large pharmaceutical clients noted a tangible improvement in product shelf-life. These lessons only come from first-hand experience managing actual product through every season—details that don’t make their way into generic datasheets.
Optimization efforts extend to waste management and sustainability. Our facility reclaims solvents and captures byproduct streams where feasible. The cost implications remain significant, but choices made at the production level flow downstream into customer operations. Many research groups request documentation on residual solvents and impurity profiles. Our ongoing investment in analytics pays back through compliance and regulatory documentation support, which ultimately expedites end-user submissions to regulatory authorities or internal safety committees.
The market sees fluctuations in raw material pricing and freight. As a direct manufacturer—not a distributor or labeler—we have learned to buffer our own supply chain disruptions through strategic raw stockpiling and in-plant synthesis flexibility. This places real capital at risk without guaranteed payout. By keeping production in-house and under our own oversight, customers gain a level of transparency and assurance not accessible from desk-bound brokers or speculators.
One real example: during a recent global supply shock, several new clients landed on our doorstep following disappointed expectations from non-manufacturing vendors. They shared stories of weeks-long project delays tracing back to inconsistent or off-grade “pyridin-2-ol” sourced through third parties. Our team managed to prioritize small rush orders, providing tested and documented material directly from stockpile, and delivered up-front CoA data. That experience reaffirmed the value in direct relationships between user and producer—not just for transaction sake, but for critical technical support and risk mitigation.
The drive to improve our materials comes mainly from customer-driven problems, not just laboratory curiosity. We have fielded requests for lower-metal pyridin-2-ol batches—especially to support sensitive medicinal chemistry and electronic material development. In response, our process team adapted purification columns and re-qualified raw input lots, tracking trace metals by ICP-MS and documenting results. A feedback loop from project chemists lets us further refine by targeting the specific contaminants that pose risk for each new application class.
Packaging continues to evolve, reflecting changing demands and regulatory environments. We have replaced legacy packaging with fluoropolymer-lined steel drums and single-use HDPE containers, matched to customer-scale and storage needs. Direct feedback helped us minimize product loss through container permeation, especially for shipments facing extended transit. Many of these improvements started as informal conversations with process engineers struggling to explain anomalies—showing how collaboration and transparency with actual users unlock hidden value for both sides.
Traceability anchors our entire production system. Each drum is tracked back to raw material lots, process routes, and operator logs. Full change histories and deviation records are maintained. For sectors under tight regulatory scrutiny, such as pharmaceuticals and agriculture, this level of documentation supports not just compliance but project momentum. Program managers and regulatory teams request our detailed batch history reports to anticipate audit challenges and respond to evolving regs.
Audits by partners sometimes reveal expectations that we hadn’t anticipated, leading to constructive process changes. For example, as regulations on genotoxins have tightened, our analytical department developed more sensitive screening for known impurities and degradation products, sharing method validation data with clients. This collaboration benefits everyone—lower downstream risk, fewer re-qualification cycles, and stronger project privacy through direct vendor relationships. Over time, these practices build mutual trust, which becomes crucial as technical requirements toughen year to year.
Every batch presents new challenges. The hydroxy-pyridine system, in particular, poses storage stability questions under long-term, high-heat conditions. Even after years of careful product handling, subtle decomposition or color change can occur in extreme environments. While we deliver most drums within a few weeks of production, some end users require extended stockpiling. In these cases, we work with both our QC team and customers to monitor and track shelf-life indicators, adding support for real-time stability testing and recommending storage under lower temperature or inert atmosphere where necessary.
Production waste and environmental management remain ongoing efforts for industry at large. Pyridin-2-ol synthesis can generate side-streams, and careful solvent capture or recycling reduces both cost and environmental footprint. Where possible, we partner with local waste handlers and technology centers to recover useful fractions and to implement micro-scale process modifications that lessen environmental loading. Such efforts might not draw headlines, yet they reflect a manufacturer’s long-term view—balancing stewardship with ongoing innovation.
Keeping pace with application-driven expectations means continuous upgrades. Our process engineers often test new catalyst beds, improved condenser designs, or innovative feed-control systems. Even small yield improvements multiply across annual production scales. Yet not all equipment changes produce intended outcomes—sometimes an attempt to accelerate reaction throughput introduces subtle shifts in impurity profile or crystallization behavior. Through internal review culture, we maintain process records that guide return to proven setups if new approaches compromise product quality. The collective wisdom of operators and bench technicians outweighs textbook ideals alone.
Hands-on troubleshooting gives us a firsthand view of issues encountered by research chemists. A few years ago, after reports that some melt-sealed containers arrived with crystalline films or seepage, our packaging workflow changed. We upgraded to tamper-sealed units and increased QA inspections, learning from every returned drum. Today, repeat buyers rarely mention leaks, but those stories linger in facility memory—propelling new staff to uphold standards.
Our team fields questions not just about product specs but about actual use in synthesis processes. Inquiries often cover reactivity with certain reagents, best practices for handling hygroscopic powders, or solutions for overcoming solubility issues. Practical guidance sometimes proves as valuable as the chemical itself. Customers benefit from speaking with individuals who have run the same product through reactors, purification setups, and scale-up equipment. These conversations help prevent mistakes and optimize your workflow, based on real-world experience rather than generic, repackaged product literature.
Collaboration extends to troubleshooting complex problems, such as batch-to-batch reactivity shifts or unexpected byproduct formation. We don’t shy away from candid discussions about production hiccups—bringing transparency to the relationship allows both sides to navigate setbacks and maintain mutual confidence. This human element, often overlooked in automated order platforms, cements our role as a chemistry partner rather than anonymous supplier.
Focusing on Pyridin-2-ol through the lens of direct manufacturing means marrying current best practices with ongoing readiness to adapt. We strive to anticipate tomorrow’s customer needs—whether in tighter impurity tolerances, greener production methods, or smarter packaging formats. Each improvement is the product of cycling between plant-floor insight and customer dialogue. This approach has built enduring partnerships across pharma, materials science, and diagnostics, allowing us to grow with our clients over the years.
The daily reality of chemical manufacturing plants places us at the intersection between complex science and practical, business-driven problem solving. Every kilo of Pyridin-2-ol reflects a commitment to detail, safety, and transparency. This hands-on experience shapes our knowledge and our insight, creating more than just a supply transaction—a foundation for progress in the fields we serve, batch by batch, project by project.