Anhui Liwei Chemical Co., Limited
Products

2-Nitrosophenol


    • Product Name 2-Nitrosophenol
    • Alias NSP
    • Einecs 209-188-3
    • 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

    700230

    Iupac Name 2-nitrosophenol
    Molecular Formula C6H5NO2
    Molar Mass 123.11 g/mol
    Cas Number 1495-38-7
    Appearance Greenish needles or crystals
    Melting Point 45-46 °C
    Density 1.34 g/cm³
    Solubility In Water Slightly soluble
    Pubchem Cid 13713
    Smiles C1=CC=C(C(=C1)O)N=O
    Inchi InChI=1S/C6H5NO2/c8-6-4-2-1-3-5(6)7-9/h1-4,8H
    Stability Sensitive to light and air
    Related Compounds o-nitrophenol, 2-aminophenol

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

    Packing & Storage
    Packing Amber glass bottle, tightly sealed with a screw cap, labeled "2-Nitrosophenol, 25g," with hazard symbols and safety information.
    Shipping 2-Nitrosophenol is shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. It should be labeled as hazardous, with appropriate identification and handling instructions. The container must comply with regulatory standards, and transport should adhere to local and international guidelines for hazardous chemicals. Store in a cool, well-ventilated area.
    Storage 2-Nitrosophenol should be stored in a tightly sealed container, protected from light, heat, and moisture. Keep in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizers, acids, and reducing agents. Minimize exposure to air and ignition sources. Properly label the container and ensure it is stored in compliance with local chemical storage regulations.
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    Competitive 2-Nitrosophenol 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

    2-Nitrosophenol: Our Approach as Chemical Producers

    As a manufacturer with years of hands-on work in aromatic compound technology, I’ve come to appreciate the nuances that set each phenolic product apart—this is especially true for 2-Nitrosophenol. Its chemical nature and production routes bring opportunities and responsibilities that cannot be overstated. With direct, consistent oversight from raw material intake to drum sealing, we have learned what matters most in crafting a reliable and high-purity batch of this unique intermediate.

    Understanding 2-Nitrosophenol: What We Make and Why

    If you walk through our site, you’ll see dedicated reactors specially lined and maintained for producing 2-Nitrosophenol. Its molecular structure, C6H5NO2, gives it that combination of phenolic and nitroso functionality which has a distinct chemical reactivity. Here, the ortho-nitroso group interacts directly with the hydroxyl on the benzene ring, forming a molecule not easily substituted in bench or industrial settings. Our most sought model of 2-Nitrosophenol remains the technical grade crystalline powder, pale yellow-green in appearance, and crafted to actual market demand. Purities often start above 98%, with most users asking for moisture content control to under 0.5%. Particle sizes, though often discussed, rarely call for micrometer-level precision—our experience shows that reliable dissolution in organic solvents takes priority over flowability, unlike many other organic fine chemicals.

    From our end, we build every batch with full records and tight in-process analytics because this product almost always ends up in labs or manufacturing plants aiming at specialty dye synthesis or as intermediates for antioxidants. What’s different with 2-Nitrosophenol isn’t just the greenish crystalline powder you see in the jar; it’s also the way the molecule works as both an electrophile and nucleophile. Synthetic chemists in colorant and rubber additive fields recognize this dual character as a rare asset, especially since it’s far less prone to side reactions than nitrobenzene or hydroquinone derivatives—two ingredients that are often swapped in when nitrosophenol is unavailable, but never with quite the same results.

    Why Go to All This Trouble? The Role of 2-Nitrosophenol in Modern Chemistry

    Nitrosophenol’s unique arrangement—nitroso next to the phenolic OH—creates several specialties. In one day, we might take calls from dye chemists seeking an intermediate that couples smoothly to create vivid azo colorants without excessive byproduct sulfonation. Next, polymer labs want a precise oxidizing agent for controlled chain initiation, especially when purity control keeps side-reactions at bay. Working directly in the field with specialty rubber additives, we’ve supplied 2-Nitrosophenol to clients who need a tightly specified functional group for cross-linking or aging inhibition.

    The real-world benefit, spoken in everyday terms, comes down to chemistry that just works. For synthetic pathways that rely on creating a stable, non-reducing intermediate, 2-Nitrosophenol continues to fill a gap no other phenol derivative quite matches. This reliability, as observed across dozens of active projects, means fewer reruns, cleaner filtrations, and higher yields of final product. In the real life of a chemical plant or custom synthesis shop, that adds up to time and budget saved, not to mention far fewer headaches troubleshooting mystery byproducts.

    Direct Experience: Consistency Above the Standard

    Early in our history, the main struggle lay in isolating nitrosophenol from its closely related byproducts—chiefly nitrophenol and phenylhydroxylamine. Our solution: process control at the oxidation step, backed by real-time spectroscopic checks. Old-fashioned TLC once sufficed, but over time we integrated inline HPLC. Batch-to-batch consistency followed, and with that, client trust.

    Small differences in oxidation conditions can swing yields and color purity far more than many textbooks claim. Take it from us—rushing the nitrosation with too strong an oxidizer results in rapid formation of ortho-benzoquinone compounds instead of 2-Nitrosophenol. This is recoverable, but at lost efficiency and more downstream purification challenges. Sticking to moderate conditions and verifying in-process color both visually and instrumentally, we keep side-product levels below 0.7% by weight. Most of our best feedback comes from scale-up engineers who note the absence of mystery peaks in their analytical spectra. Hard-won lessons like these become part of our batch records, not just anecdotes swapped in the lunchroom.

    Instead of just listing technical values, our team believes in showing the practical implications of this kind of quality. Buyers who take our product straight into their own regulated synthesis find they rarely need to adjust solvent volumes or reaction conditions—the product solubilizes and reacts as expected, saving lab time and keeping project timelines predictable. That confidence only comes with real, measurable consistency borne out by years of careful work on the line.

    How 2-Nitrosophenol Compares with Its Chemical Relatives

    It’s common to receive questions about the possible switch to related aromatic nitroso or nitro compounds. From firsthand observations, the differences become immediately clear in a working plant—not just in theory. Nitrobenzene, for example, offers similar aromatic nitro chemistry, but its reactivity is limited to broader reduction or condensation chemistries and lacks that dual active center. Phenol by itself, even in high grade, won’t support controlled nitrosation or serve in the same oxidation steps. Nitroresorcinol might fill in for colorant synthesis, but in coupling reactions it often drags along side substituents and makes cleanup harder.

    Physically, 2-Nitrosophenol is less volatile and more stable for mid-term storage than some amine-based intermediates. We’ve seen operators handle it safely and confidently as long as they respect the basic need for sealed containers and neutral conditions. Having worked with its close cousins—including 4-nitrophenol and 2-nitroaniline—I can say 2-Nitrosophenol strikes the best balance for most specialty syntheses between purity, shelf stability, and ease of handling. This saves money and trouble down the line: less spillage, lower waste handling costs, and minimal argument in front of the regulatory inspectors.

    Stability, Storage, and Safe Practice

    Many users new to 2-Nitrosophenol express concern about storage and long-term stability, learning from harsh lessons with more unstable nitroso compounds. We address these by producing a material that holds its integrity in unbroken, light-shielded packaging for upwards of one year, based on our own controlled storage tests. Even in humid climates, the color and purity shift very slowly, provided drums remain sealed. The main threat stems from accidental contact with basic environments, where deprotonation can kick off redox side reactions and darkening—this is part of our regular updates with plant staff, so everyone knows what to expect and how to prevent such issues from turning into costly surprises.

    Direct experience has taught us that safety is not just a checklist. Although 2-Nitrosophenol behaves predictably under normal conditions, inhalation of its dust or prolonged skin contact brings well-known hazards. Our in-house safety drills focus on containment before cleanup, which has proven more effective than chasing accidental spills. Experienced hands know to use fine-mesh scoops and gloves rated for organic chemicals, a protocol tightened by years spent watching what can go wrong when shortcuts become habitual. This pushes us to design handling practices that do not just follow the book but anticipate and block the events that the safety data sheets only hint at.

    Common Applications: Our Customers’ Stories

    The practical side of chemical manufacturing emerges in feedback from recurring clients. Textile dye houses tend to favor our crystalline-grade 2-Nitrosophenol when synthesizing bright, long-lasting azo dyes on site. They point out that direct-coupling reactions achieve deeper, more permanent shading when starting purity remains consistent. Those making antioxidants for plastics and rubber often work with our granular forms, citing easier integration into their batches without inconsistent coloring or off-odors. Both application streams came to us after issues with sporadic quality from overseas batch traders—a difference quickly noticed by plants used to running tight just-in-time schedules.

    Pharmaceutical chemists, working in both discovery and scale-up labs, reach for 2-Nitrosophenol as an intermediate under tightly controlled parameters. The phenolic-nitroso scaffold fills a rare role in selective modifications where the downstream molecule must avoid accidental reduction or polymerization. It’s not just about having a nitroso compound handy—it’s about trusting the very batch being handled. Some of our oldest customers in the pharma sector have pointed out that working with a batch made on site in their region, backed by supporting QA and open documentation, leads to fewer regulatory holdups and less back-and-forth over ambiguous certificates of analysis.

    Quality Built on Experience, Not Hype

    There’s a culture in chemical circles—especially among manufacturers—of boasting about being the first or largest or most innovative. We find more value in building consistency and earning trust batch after batch. Real-world lessons from batch failures and process hiccups shape our methods daily. Each time we scale up or adapt for a specialized end use, it’s not the technical sheet numbers that matter, but the feedback of our own synth chemists and plant operators. They’re the first to notice when a batch runs off-spec, and the first to flag improvement opportunities with finished product. Over years, this back-and-forth has resulted in a 2-Nitrosophenol offering tailored to the rigors of modern industrial and research-level work.

    We invest in transparency at all production stages because customers with real skin in the game, purchasing hundreds of kilograms at a time, will quickly spot and report the slightest deviation from the expected profile. Maintaining open lines with those end-users, sharing what works and where trouble may arise, ensures mutual success. This hands-on, feedback-loop approach has delivered steady improvements, such as optimizing our drying cycles to reduce caking and yet preserve purity, or improving drum sealing to prevent color shifts after prolonged transit.

    Future Directions and Continued Improvement

    No chemical process stays static for long. Over the past decade, as environmental regulations and waste management standards tightened, we adapted our process for greater efficiency and minimal effluent generation. Techniques like recirculating wash waters and solvent recovery, once seen mainly in pilot plants, now run side-by-side with full-scale production. Such practical changes do not just come from regulatory pressure—they arise because those of us who make and handle 2-Nitrosophenol want to see less hazardous material leave our sites and more value locked into each finished drum or tote.

    We anticipate incoming demands for even higher purity and customization based on end-user industry push. This doesn’t mean endless tweaking for the sake of marketing—each improvement gets evaluated by what real customers observe in downstream application. Launching a “new and improved” batch means more than just a claim; it means our own synthesis chemists can trust what they’re scaling up, just as those at any partner plant can.

    Where trends move toward green chemistry, we seek to stay ahead—not just by minimizing waste, but by exploring new process catalysts and synthesis pathways that limit the use of heavy metals or hazardous oxidants. Several pilot tests now run on catalytic processes that chop the waste load in half—if the performance holds, they’ll be the foundation of next year’s production runs. That’s a promise grounded in direct, boots-on-the-ground experience, not just glossy brochure statements.

    Direct Communication Matters Most

    The days of anonymous, third-party sourcing for specialty chemicals like 2-Nitrosophenol are fading. Customers want solutions, not just technical sheets. From our earliest days developing this product, three truths have remained constant. First, the only way to offer truly dependable material stems from running every stage in-house with team members who know the process intimately. Second, ongoing open dialogue with customers captures practical needs and hidden frustrations that never show up on invoices or spec sheets. Third, each batch reflects a chain of hard-won lessons, not a one-and-done approach pulled from textbook examples or the last round of trade show trends.

    Direct experience tells us one thing above all: chemical manufacturing succeeds when real people collaborate—from the chemist loading the reactor to the user mixing a colorant batch or scaling up a new drug synthesis. Our job is to keep that chain strong, transparent, and focused on results people can replicate daily. For those new to 2-Nitrosophenol or shifting from generic lots to a producer-focused supply, the difference shows in smoother processes, fewer troubleshooting headaches, and a partnership tuned to real-world performance, not marketing hyperbole.

    In Practical Terms: Choosing and Using 2-Nitrosophenol

    No one selects this compound casually. Whether serving as a key intermediate for a critical dye or a minor ingredient in a complex antioxidant package, the primary tasks for the end user boil down to trust and repeatability. Our experience tells us that the best place for a chemical manufacturer lies both in delivering on a promise and in standing by to help untangle challenges as they arise. We approach each order of 2-Nitrosophenol not as an isolated shipment but as part of this ongoing cycle—listening, responding, and adapting whenever the hands-on chemistry calls for change or improvement. From the floor of our plant to the shelves in labs and warehouses around the world, that commitment shapes every decision we make, every batch we ship, and every dialogue we share.