Anhui Liwei Chemical Co., Limited
Products

2-Nitrophenolate


    • Product Name 2-Nitrophenolate
    • Alias ONP
    • Einecs 217-872-2
    • 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

    344763

    Chemicalname 2-Nitrophenolate
    Molecularformula C6H4NO3−
    Molarmass 138.10 g/mol
    Charge -1
    Appearance Yellow to orange solid (as sodium salt)
    Solubilityinwater High (as sodium salt)
    Meltingpoint Decomposes
    Pka 7.23 (for conjugate acid, 2-nitrophenol)
    Iupacname 2-nitrophenolate
    Casnumber 548-74-9

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

    Packing & Storage
    Packing Amber glass bottle labeled "2-Nitrophenolate, 25g." Includes hazard symbols, chemical formula, batch number, and manufacturer details for safety and traceability.
    Shipping 2-Nitrophenolate is shipped as a solid or in solution, packed in tightly sealed containers to prevent moisture absorption and chemical degradation. Containers are clearly labeled, following appropriate hazardous material regulations. It should be transported in compliance with local and international chemical shipping guidelines to ensure safe handling and minimize environmental or health risks.
    Storage 2-Nitrophenolate should be stored in a tightly sealed container, away from light, moisture, and incompatible substances such as strong acids and oxidizers. Store it in a cool, well-ventilated area designated for chemicals, preferably in a corrosion-resistant cabinet. Ensure clear labeling and access to safety data sheets. Always follow institutional and regulatory guidelines for chemical storage.
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    Competitive 2-Nitrophenolate 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

    Direct from Chemical Synthesis: Our Experience with 2-Nitrophenolate

    Looking at 2-Nitrophenolate from the Manufacturer’s Bench

    A manufacturer’s story starts with the raw substance—its quirks, its reactivity, and how it works in our processes. In the synthesis of 2-Nitrophenolate, every batch tells its own tale. We learned early that careful selection of starting materials makes a big difference. Our team sources and tests every input to avoid unexpected reaction side products. It pays off; a controlled process at the reactor yields a 2-Nitrophenolate that meets the strictest quality checks.

    Our 2-Nitrophenolate forms the building block for several downstream products. Chemists value its phenolate structure and the para-positioned nitro group. Making it isn’t just a matter of ticking off molecular weights and conditions. We must maintain consistent batch purity above 99%. We monitor moisture, residual solvents, and trace metals using reliable analytical methods. Every batch that leaves our site passes hands-on chromatography—there’s still a place for keen human eyes even with automated equipment.

    The manufacturing route we use takes into account energy costs, yield, and environmental controls. Nitration and subsequent phenol deprotonation generate heat and gas, but with decades of process improvement behind us, emissions stay below regulatory thresholds. Continuous upgrades to filtration and waste processing means byproducts don’t end up in local water or air.

    Understanding the Specifics: Batch Results and Reliability

    Our 2-Nitrophenolate, under model number NPO-301, comes as a fine, pale yellow crystalline powder or in tailored aqueous solution. Experience tells us not all applications need the solid form; formulators in dyes or pharmaceuticals often want precise concentrations in water. We provide both formats to meet process requirements, always maintaining batch-to-batch consistency that lets our customers scale lab findings to plant scale.

    Every finished batch has verified melting points between 128°C and 132°C. Reliable solubility in water at room temperature separates our product from some imported grades that turn cloudy or settle over time. UV-vis absorbance gives a handy verification tool, allowing for quick in-house spot checks or customer QA. Some customers prefer our solid for extended storage, others want ready-made solutions. Either way, the same chemical backbone gives the desired reactivity, just adjusted for handling preferences.

    Practical chemists know that trace impurities matter—those parts per million levels can cascade into production headaches. We keep heavy metals below 10 ppm and avoid any sources of halides or non-volatile organics, which would compromise downstream processes in electronic chemicals or high-purity intermediates. A rigorous final filtration step saves hours of troubleshooting for customers down the line.

    Application Insights: Why 2-Nitrophenolate Matters

    The real worth of 2-Nitrophenolate shows up on the plant floor. In dye chemistry, it acts as an essential intermediate for azo compounds with high chroma and stability. In pharma synthesis, it helps introduce nitro and phenolic structures to advanced intermediates. Agrochemical researchers rely on it for rapid testing of new pesticide lead compounds. Our R&D partners often ask for special particle sizes or custom dissolved concentrations—we keep these requests in mind from synthetic design to delivery.

    Customers turn to us for 2-Nitrophenolate because consistency cuts costly lab checks. If one batch falls outside spec by even a fraction, a whole shift of production can go awry. We build trust by shipping test samples—sometimes just a few grams—to help customers fine-tune their process before full orders go out. Our technical staff keeps a line open with chemists, considering how a small shift in impurity profile or solubility could affect a reaction. Over the years, we’ve seen how this dialogue prevents delays and unexpected downtime.

    Some users worry about nitro compound handling due to toxicity or regulatory controls. Our protocols ensure proper labeling, packaging, and documentation for safe transport. We educate customers on best storage practices, such as airtight containers and low-light environments, to extend shelf life and avoid degradation back to starting phenol or generation of byproduct tars. Our internal safety team reviews every SOP on a six-month schedule, looking for incremental improvements.

    Why Our Process Stands Out from the Rest

    While other producers sometimes rely on old equipment or cut corners with stopgap purification, we invest in regular upgrades. Stainless steel reactors, real-time process analytics, and well-trained staff mean that we spot problems before they escalate. For every kilogram that leaves our plant, quality is signed off by both the line chemist and the QA manager.

    Customers tell us that imported 2-Nitrophenolate from other suppliers often arrives with discoloration or musty odor—signs of oxidation or contamination that can scrap entire test runs. We minimize residual moisture and exposure to oxygen by vacuum-packing our powdered product and sealing any shipped solutions under nitrogen. Our logistics partners understand chemical sensitivity and deliver within a window of days instead of waiting out long customs delays, lowering transit time from the plant to the user’s bench.

    Research-scale users sometimes debate if analytical reference material should be handled differently from process chemical. While reference-grade 2-Nitrophenolate needs especially tight specs—traceability to certified standards, and higher purity guarantees—we use the same core process for every batch. This ensures even our routine products meet the same high standards. We back up claims with full COA documentation and encourage customers to request extra testing when embarking on novel research.

    Beyond the Numbers: Commitment to Safety and Sustainability

    Handling nitroaromatics always involves risk, but experience teaches how to minimize exposure. In-house ventilation and containment keep our own staff safe, and every job includes hands-on training in spill response and environmental monitoring. For years, we’ve kept accident and emission records open to third-party auditors, fostering a culture of prevention instead of cleanup. In our view, every incident provides a chance to improve training and equipment.

    Sustainability considerations shape our daily operations. We recover spent solvents whenever possible and keep water discharge below permitting thresholds. Improvements in gas treatment allow us to capture and treat off-gassing at the source. Our future plans include introducing closed-loop water systems and switching over to renewable power, designed to further reduce the footprint of this high-demand intermediate.

    Waste handling, often overlooked by smaller outfits, guarantees compliance with both government standards and our own stricter internal benchmarks. We maintain detailed logs of all shipments, and never outsource sensitive waste without verified treatment. Our partnerships with downstream users sometimes generate unexpected routes for waste valorization, and we share these insights with process engineers across the industry.

    Lessons Learned from Decades in Synthesis

    From the first days in our chemical plant, we saw that shortcuts in synthesis only create trouble later on. Each new client case has brought its own push for tighter controls. Twelve years ago, requests for microelectronic-grade 2-Nitrophenolate spurred us to reboot our entire water purification system for trace contaminant monitoring, a move that keeps paying off as purity requirements tighten in every market.

    We work closely with customers who blend our 2-Nitrophenolate into custom colorants, testing how batch properties affect lightfastness and bleed in end-use products. Newer automatic colorimeters confirm the subjective impressions from our senior chemists, combining tradition with technology for better results.

    Handling of feedstock variation also shapes each run. Not every shipment of precursor phenols reacts the same way, especially when trace aldehydes creep in. Our staff carry out incoming QC, rejecting suspect lots before they reach reactors. This hands-on vigilance avoids costly off-spec production runs, saving both us and our customers time and materials.

    A steady stream of feedback helps us fine-tune distribution. Routine communication with packaging suppliers improves both moisture proofs and shelf-life. A packaging refresh five years ago—switching to multi-layer, nitrogen-flushed bags—dramatically improved stability for customers in humid climates. Not every manufacturer can dedicate staff to logistics optimization; we’ve found it more than worthwhile in customer retention and satisfaction.

    Frequently Asked Questions from Synthesis Partners

    Most inquiries come from formulators testing new reactions or scale-ups. They look for assurances that our 2-Nitrophenolate will dissolve, react, or store as expected. Experienced users want to know about contaminants and particle size. Less common, but equally important, are questions about regulatory compliance. Years of audits and export checks keep us ready with documentation.

    Troubleshooting often revolves around subtle batch effects. Sometimes a user reports slower-than-expected dissolution or unexpected off-colors in dye applications. These issues typically trace back to the smallest shifts in feedstock or processing temperature. Our staff log these events and use the data to refine both internal and customer-facing SOPs, responding with batch replacements or technical support as required.

    Concerns about nitro compound safety never disappear. Clients managing large inventories ask about best-practice temperature and humidity controls. We recommend cool, dry, and dark storage, and provide thermochromic labels for customers who want to track temperature spikes during transport. Our QA team answers in real time, offering chemical compatibility information for users planning long-term storage or co-formulation.

    What Sets Our 2-Nitrophenolate Apart

    Direct experience has shown us the pitfalls of uneven purity or slow supply. A focus on continuous testing, direct customer support, and rapid delivery means our 2-Nitrophenolate makes a difference. From a manufacturing perspective, controlling every step—input, processing, cleaning, packaging—is the only way to safeguard performance in demanding applications such as synthesis of pharmaceuticals, advanced materials, and specialty dyes.

    Other producers sometimes ignore batch-to-batch variation or treat complaints as background noise. We welcome troubleshooting as a chance to learn and show reliability. Every claim about our product comes backed with real production data and documented case studies. A decade ago, dye manufacturers struggled with inconsistent color intensity in final products from imported intermediates. By tightening control on our nitro content and residual solvents, we eliminated that problem, allowing our customers to cut the cycle time on shade matching.

    Researchers appreciate our willingness to discuss reactions in detail—how small concentration shifts can affect yield, or which impurities to watch for in multi-step syntheses. Open lines of communication, from lab up to scale-up production, form the backbone of long-term partnerships. We often participate in joint development projects, providing technical notes and on-site troubleshooting when needed.

    Challenges, Innovation, and the Road Forward

    Scaling 2-Nitrophenolate production isn’t just moving from small beakers to multi-ton reactors; each step up introduces new risks and opportunities for improvement. One year, a chronic bottleneck in our nitration reactor forced us to revamp our cooling setup, leading to fewer off-spec batches and reducing energy costs. These improvements feed directly into customer satisfaction with less delay or waste.

    Looking forward, improved environmental controls and digital process monitoring will help keep up with tightening regulations and customer demands. We’re investing in online analysis to catch trace impurities and process excursions without waiting for offline lab runs. Our focus on staff training means fresh skills for troubleshooting and process optimization.

    Industry standards never stay static. Increased demand for safer, purer phenolate intermediates presses us to evaluate new synthesis routes, greener solvent choices, and predictive modeling to anticipate quality trends. As a direct manufacturer, our control from sourcing through final batch shipment enables us to make rapid improvements as regulations and customer expectations evolve.

    Why Chemists Choose Manufacturer-Direct 2-Nitrophenolate

    Chemical manufacturers know that shortcuts in synthesis and QA always return as process headaches. Our approach relies on keeping lines open with users, testing every batch in detail, and sharing both successes and setbacks honestly. It’s not only about producing a compound, but also supporting its end-use success in the field.

    From batch-level consistency to transparent sustainability practices, we believe integrating hands-on expertise at every level leads to better outcomes for formulators and researchers. We welcome partnership and feedback as a crucial part of producing 2-Nitrophenolate that professionals can trust.

    Each time our product leaves the line, we know it carries both our professional reputation and the customer’s project goals. Our responsibility reaches beyond the gates of the plant—to the laboratories, factories, and products that depend on reliable, well-manufactured 2-Nitrophenolate.