Anhui Liwei Chemical Co., Limited
Products

2-Hydroxyphenol


    • Product Name 2-Hydroxyphenol
    • Alias Catechol
    • Einecs 204-427-5
    • 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

    592334

    Iupac Name 2-Hydroxyphenol
    Common Name Catechol
    Molecular Formula C6H6O2
    Molar Mass 110.11 g/mol
    Appearance Colorless crystals
    Melting Point 104°C
    Boiling Point 245°C
    Density 1.344 g/cm3
    Solubility In Water Readily soluble
    Cas Number 120-80-9
    Odor Faint phenolic odor

    As an accredited 2-Hydroxyphenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Brown glass bottle containing 500g of 2-Hydroxyphenol, tightly sealed with a screw cap, labeled with hazard warnings and handling instructions.
    Shipping 2-Hydroxyphenol (CAS No. 120-51-4), also known as catechol, should be shipped in tightly sealed containers, away from heat, sparks, and open flames. It must be protected from moisture and incompatible materials. Transport must comply with local and international regulations, including proper labeling and documentation for hazardous substances.
    Storage 2-Hydroxyphenol (also known as catechol) should be stored in a cool, dry, and well-ventilated area, away from sources of heat and ignition. Keep the chemical in tightly closed, light-resistant containers. Store separately from oxidizing agents, acids, and bases, as it can react violently. Avoid moisture and minimize exposure to air to prevent oxidation and degradation of the compound.
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    Competitive 2-Hydroxyphenol prices that fit your budget—flexible terms and customized quotes for every order.

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    Tel: +8615380400285

    Email: sales2@liwei-chem.com

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    Certification & Compliance
    More Introduction

    2-Hydroxyphenol: Manufactured for Precision and Performance

    Understanding 2-Hydroxyphenol From the Production Floor

    Every batch of 2-Hydroxyphenol—often called catechol—undergoes a pathway of development grounded in daily practice rather than theory. On our production line, we confront the realities of raw material supply, pressure vessels, purification units, and the expectations of end-users who work with the substance. There’s no hiding behind buzzwords or fluffed-up value statements. If machinery clogs, or impurities creep in, the whole process halts. So real-world performance always finds priority over catchphrases.

    We produce 2-Hydroxyphenol following stringent quality checks at multiple stages. Each reaction step is monitored, not just for yields, but for downstream processing so there’s less rework and less waste over time. Our model of 2-Hydroxyphenol typically arrives in crystalline form, pure in color and odor, a result of solvent extraction, vacuum drying, and careful filtration instead of just relying on old filtration norms. Everyday vigilance builds these standards—chemical impurity control, trace metal management, and consistent particle size keep customers confident that what they receive never strays from what we commit to as a manufacturer.

    Our technical staff put their focus on parameter tuning: temperature control, pH surveillance, and dosing precision. If temperature strays by a few degrees, batch quality reflects it immediately. If trace chlorinated or sulfurated by-products crop up, their fingerprint shows up in testing, and the response is to tighten up synthesis, not ignore the findings. The final model numbers—describing grades such as 99.5% purity catechol—emerge only from this persistent hands-on process, not from spreadsheets or out-of-touch planning.

    Specifications That Matter on the Plant Floor

    While catalogues may reduce specifications to mere numbers, every percentage and trace contaminant we list has a background rooted in day-to-day challenges. Achieving 99.5% minimum purity does not happen by default but by integrating solvent choice, batch reactor sequencing, and analytic validation. Heavy metals like iron or copper throw off polymerization downstream, so we don’t just measure them; we chase them out through resin columns and customized washes. Specification sheets reflect what our team sees from real-world filtration pressure drops, not armchair chemistry.

    Moisture content in 2-Hydroxyphenol sits below 0.5% by our regular standards. Not because it reads well, but because even a single percentage point higher changes the way the substance behaves in resin or dye applications. Extra water can make the end product clump, oxidize, or simply fail user performance expectations. By maintaining stringent parameters on minimum and maximum impurity levels, including chlorides, sulfates, and iron, we deliver not just a product, but a consistent experience for engineers on both the production and R&D side of our customers’ businesses.

    Color and clarity aren’t window dressing. Our QC team catches discoloration early by visually inspecting and using colorimeter testing, since any brown or yellowish tint points to oxidation or competing byproducts that subtract from overall performance in sensitive applications. Since 2-Hydroxyphenol’s role often includes intermediate synthesis in high-grade pharmaceuticals or fine polymers, those visual cues back up what the analytic results show. In our operation, grade is a reflection of both instrument-detected numbers and what experienced eyes spot under bright lights.

    Practical Applications Backed by Production Insight

    Every ton of 2-Hydroxyphenol we ship ends up shaping performance somewhere else. Our product’s main uses—ranging from antioxidant production, dye intermediates, photographic developers, to adhesives and flavor manufacturing—all bring back their own feedback to the plant floor. For instance, in resin manufacture, the purity of catechol directly influences polymer chain lengths and cross-linking. Those who work in adhesives or coatings find that consistency and the freedom from trace iron or sulfates control adhesion and cure times, not just surface color or flow.

    In the pharmaceutical field, purity is everything. A subpar impurity profile means batch failure, extra process costs, and regulatory headaches. We don’t just test samples post-production, but monitor synthesis routes batch to batch using in-line sensors and analytics. Regular feedback from pharmaceutical partners isn’t just welcome, it is essential: even a minor shift in particle size or contaminant content might force a formula rethink on their side. Our plant team recognizes that responsibility doesn’t pause after shipment.

    Photographic chemical manufacturers come to us for a stable-grade catechol because their own customers need predictable developer performance. Photofinishing relies on the antioxidant character and the freedom from reaction-inhibiting impurities. A single wrong contaminant might push an entire photographic batch off-spec, so we keep process control priorities front and center. Real reliability gets built from constant analytics, and that precision ends up visible in black-and-white clarity—literally.

    Rubber antioxidant producers and dye intermediates manufacturers look for a catechol that handles further functionalization with minimal side reactions. Trace metals push up the end cost, and erratic crystal shape means headaches for their mixing, weighing, and dissolution systems. Our focus on these critical parameters is not an accident. It comes from years of troubleshooting and consultation with industrial users facing real supply and quality disruptions.

    Why Product Differences Matter Beyond the Marketing Page

    2-Hydroxyphenol often gets lumped together with its isomer hydroquinone, or viewed as interchangeable with phenol, cresol, or resorcinol. In daily operations, those differences become the central reason for specialized plant set-ups, different safety checks, and altered downstream chemistry. Catechol’s two adjacent hydroxyl groups—unlike hydroquinone’s para-configuration—allow distinctive reactivity patterns. For dye intermediates or oxidation catalysts, that means more selectivity, offering manufacturers different molecular tools for synthesis.

    In practice, hydroquinone and 2-hydroxyphenol differ not just in molecular layout, but in thermal stability, solubility, and sensitivity to oxidation. Hydroquinone prefers milder handling at room temperature, but catechol’s ortho structure handles certain oxidizers more efficiently, which shows up in end-product color and shelf life. Real differences also appear during storage. Catechol tends to oxidize faster in open air; so, we use nitrogen-purged storage, air-tight containers, and batch coding not just for compliance, but for practical halfway controls.

    Comparisons extend to cost as well—supply chain and reaction yield influence market price, but manufacturing catechol involves different process chemistries and raw input than, say, phenol or resorcinol. Our operation invests in catalyst management, pressure swing adsorption for purification, and labor training specific to catechol’s quirks—all factors not interchangeable with other phenolics. Each choice affects not only plant safety and throughput but defines the nature of what end users receive.

    We often hear questions about why not use phenol or a mixture instead, especially from new product developers. The real answer always hangs on application: catechol brings a degree of reactivity and bonding potential that single-hydroxyl phenol can't support. In antioxidant production, for example, our 2-hydroxyphenol ties up free radicals efficiently thanks to its ortho-dihydroxy arrangement. One example—the production of rubber antioxidants such as BHT—shows noticeable yield and color improvements using our grade versus a less refined substitute.

    Clients who focus on green chemistry or biobased manufacturing appreciate the reduced solvent residue that our refined process leaves behind. As a manufacturer, our adoption of greener solvents and closed-loop systems isn’t just about marketing. High-purity, low-residue output translates into less downstream purification, less effluent, and fewer headaches at the end of the chain. Those practical advantages echo throughout energy use, waste management, and regulatory reporting.

    Manufacturer’s Perspective on Safety and Logistics

    The safe handling and logistics of 2-Hydroxyphenol runs deeper than what regulatory fact sheets suggest. Every drum, every shipment, every warehouse transfer is weighed down by direct experience. On our end, we maintain real-time status checks, not just sensor-driven but also through operator sign-offs and scheduled manual inspections. High-purity catechol is susceptible to oxidation, and a single lapse in sealing procedures or temperature control might risk both safety and the entire value of the stock.

    Proper training enables our workers to react to spills, leaks, or odd color changes which might signal compromised material. Our teams learn by direct task-based reinforcement, not just Powerpoint slides. In hot and humid climates, we proactively chill storage rooms, since excess heat accelerates degradation reactions—even before lab tests catch on. Plant feedback, unexpected weather, shifting global shipping laws, all factor into our real conditions, not just what's recommended by guidelines.

    Shipping across borders requires knowledge that’s both global and local. Every customs document, every container label, and every regional regulatory reference stems from industry experience. National differences in accepted impurity levels or shipping hazard classes force us to adapt documentation and storage conditions. Reliability, from our end, means doing the work so our customers aren’t caught short by compliance hiccups or transit delays.

    Addressing End-User Challenges

    Feedback from downstream users never stops. We get calls about batch color, solubility, yield in end formulations, even odor under heat. No two production runs are ever exactly alike, and each line of feedback triggers direct review. If a batch shows more residue or less solubility than a client expects, our process team looks for practical causes: storage time, micro-contamination, or changed wash cycles. We do not brush off even minor complaints as outliers—the lesson learned today means less downtime or disruptive surprise on the next large run.

    One practical challenge crops up with dissolution rates. Certain end-uses—like polymer additives or fine chemical synthesis—demand rapid, clean dissolution. Particle size and shape, set at our drying and milling steps, control how quickly our 2-hydroxyphenol blends. Oversized lumps or agglutinated powder can hinder mixing, leaving material undissolved at the bottom of a reactor. So, our attention never drifts from granule consistency or moisture protection.

    Odor control brings another real-world concern. Catechol owns a distinctive, sometimes pungent scent. Our exhaust systems run batch-specific cycles so material doesn’t gather or linger, and we cap containers rapidly to limit air exposure. Our feedback loop includes monitoring plant odors, not only for worker comfort but for product assurance. Unwelcome odor changes point to decomposition and prompt extra QA checks—simple, practical steps that ensure our shipment matches the last confirmed standard.

    Supply disruptions—be it material shortages, shipping route changes, or updated environmental laws—threaten smooth plant operation. Our answer lies in doubling up raw material suppliers where possible, maintaining emergency stockpiles, and accelerating production when geopolitical signals indicate looming shortages. Adjustments like those don’t just happen in theory; they require agile teams on the shop floor and reliable supply relationships built over years, not emails.

    Improving Our Processes for Reliability

    Our drive for improvement doesn’t end with production. Each plant modification, from new filtration elements to energy-saving heat exchangers, follows from observed real-world bottlenecks. We replaced traditional batch heaters with rapid-cycling thermal units, not for cost savings alone, but because it preserved product clarity and cut batch time by hours. Our solvent recovery upgrades slashed emissions, but more importantly, they let us guarantee that extracts met the tightest chemical residue limits for downstream use.

    Advances in process control—like automated sampling, in-line spectroscopic analysis, and remote monitoring—treat quality as a real-time metric. Years ago, quality assurance often meant simply batch testing at the end. Now our team pivots to catch and adjust for deviation as soon as sensors pick up drift, sometimes before human eyes would spot it. Such investments run alongside old-fashioned operator know-how: intuition about smell, visual cues, or equipment rumble still matters just as much as sensors and screens.

    Continuous overhaul is not just about keeping up with competitors. The pressure to reduce waste, cut energy use, and navigate evolving environmental laws has pushed us into genuine process innovation. For example, recycling spent solvent minimizes the footprint and drives down overall chemical input. Closed-loop water systems let us reuse rinse water while maintaining the same high level of purity batch after batch. As a result, our product's overall environmental impact continues to shrink, while reliability and consistency only grow.

    Commitment to End-Use Performance

    2-Hydroxyphenol flows into critical products that people encounter every day—from stabilizing synthetic rubber to controlling developer performance for X-rays. Our role never ends at the factory gate. We stay in contact with R&D labs, purchasing specialists, and plant managers, sharing insight on new use cases and troubleshooting old ones. If a new formulation trend appears, or customers shift their purity requirements, our batch design adapts. Product fingerprinting, long-term stability tracking, and after-sales support form the backbone of our customer retention.

    Every container of catechol comes through a chain of direct responsibility. Our staff signs off, monitors, and documents batch performance not out of bureaucratic habit, but because real human decisions drive each step. As manufacturing shifts towards automation and greater supply efficiency worldwide, we keep the same principles in focus: the person mixing the tank, the technician testing a sample, the manager scheduling shipments—they all control the narrative of trusted supply. In our experience, steady delivery and predictable performance mean decades-long business relationships, not just one-off sales.

    Looking down the production line, new applications for 2-hydroxyphenol rise with advances in electronics, fine chemicals, and green consumer products. Demands for faster reaction rates, cleaner end products, and fewer environmental downsides push us to keep refining our approach. That improvement can only come from the discipline of manufacturing itself: constant recalibration, plainspoken feedback, and an unending commitment to reaching for better.