3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone

    • Product Name: 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone
    • Chemical Name (IUPAC): ethyl 1-phenyl-5-oxo-2,4-dihydro-3H-pyrazole-3-carboxylate
    • CAS No.: 89-25-8
    • Chemical Formula: C12H12N2O3
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
    • CONTACT NOW
    Specifications

    HS Code

    892032

    Chemicalname 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone
    Molecularformula C12H12N2O3
    Molecularweight 232.24 g/mol
    Casnumber 89-25-8
    Appearance Pale yellow to yellow crystalline powder
    Meltingpoint 147-150 °C
    Solubility Slightly soluble in water, soluble in organic solvents
    Boilingpoint Decomposes before boiling
    Density 1.25 g/cm³ (estimated)
    Purity Typically ≥98%

    As an accredited 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, sealed screw cap, labeled with safety symbols and chemical details, contains 25 grams of 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone.
    Container Loading (20′ FCL) 20′ FCL can load about 12 metric tons or 540 drums of 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone, securely palletized.
    Shipping 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone is shipped in tightly sealed containers, protected from light and moisture. The packaging complies with chemical safety regulations, typically using inert, break-resistant materials. Transportation follows standard guidelines for non-hazardous laboratory chemicals, with clear labeling and documentation to ensure safe handling and prompt delivery.
    Storage Store 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone in a tightly sealed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Protect from moisture, heat, and direct sunlight. Ensure proper labeling, and keep it out of reach of unauthorized personnel. Follow appropriate safety protocols and local regulations when handling and storing this chemical.
    Shelf Life Shelf life of 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone is typically 2-3 years when stored in cool, dry, and dark conditions.
    Free Quote

    Competitive 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone 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.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: sales7@boxa-chem.com

    Get Free Quote of Nantong Acetic Acid Chemical Co., Ltd.

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone: Value from the Manufacturer’s Point of View

    Understanding Real Applications for 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone

    In the field of fine chemicals, every molecule must earn its keep. Over decades of process experience, we have come to rely on 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone for its well-behaved performance and reliable chemistry in specialty synthesis. Our facilities handle this compound day in and day out — not because a brochure told us to, but because our clients' projects in dye, pigment, and intermediate production demand the kind of stable pyrazolone backbone it provides.

    3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone stands out for us on the production line, not just in a catalog. This compound, C12H12N2O3 by formula, slips into reactions where other five-membered heterocycles tend to introduce more risk than reward. The ethoxycarbonyl group provides improved solubility where we want it and an ignition point that supports careful scale-up, not just lab work. We manufacture this to purity standards reflecting our ongoing process development and QA feedback from dozens of end users. Over the course of numerous batches, we've seen that consistency here spells fewer headaches downstream — customers have told us as much, and it shows in reduced rework and more predictable yield.

    Why This Molecule Earns Its Place on the Plant Floor

    Let’s be blunt: most projects don’t succeed on paper alone. In the world of intermediate compounds, control over every variable makes or breaks the cost model, and it steers safety as well. Our choice to focus on 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone follows from its repairable synthesis pathway and the manageable handling profile it shows in bulk. Technicians appreciate how smoothly it integrates into standard pigment precursor lines. In complex organic transformations, this molecule eliminates much of the trial-and-error that bogs down timelines and eats into profit.

    At our manufacturing site, we’ve refined our process so that the crystallization step keeps crop wash to a minimum. Even during high humidity, batch yields remain tight. In dye synthesis, the behavior of this compound provides solid chromophore performance with little byproduct formation, something that comes from years of process tuning, not theory. In pharmaceutical research labs, researchers have sent us feedback praising the reactivity profile and lack of unwanted isomerization, which cuts back on time lost in column workup.

    Specifications That Matter, Based on the Work We Do

    Our direct experience on the shop floor tells us which specifications really matter to downstream users. Customers demand tight melting point control. We make sure each batch meets the threshold, every time. Color matters in pigment work — off-white, consistent batches have proven easier to work with than those with variable hue, as that affects spectrophotometric readings later in the pipeline. Water content and residual solvents can ruin a day of work for any processor. We keep levels well below the thresholds set by regulatory and end-user requirements, verified by GC.

    Engineers in the field have noted that the compound’s fine, free-flowing powder cuts down blending and charging time, especially in closed-system reactors where any bottleneck means wasted nitrogen and unnecessary PPE changes. Working in the chemical industry, our teams value simple improvements like this. They translate directly into lower operating cost and less exposure for techs.

    Comparing to Related Pyrazolone Intermediates

    From a chemist’s perspective, similarity can be a pitfall. Take the base 1-phenyl-3-methyl-5-pyrazolone: it holds value in dye and ink, but the methyl group brings markedly different reactivity. Its volatility and reaction selectivity have caused more than one stalled project. Our compound’s ethoxycarbonyl functionality brings reduced volatility and more scope for controlled derivatization, especially for those producing vivid azo pigments or pharmaceutical scaffolds.

    While we do manufacture other pyrazolone derivatives, our records show that 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone more often satisfies advanced users who require low impurity formation in Suzuki or similar cross-coupling reactions. This becomes clear during pilot project scale-up, where side-product control makes the difference between a launch and a failed trial. Our technical service staff have walked numerous customers through the switching process, using real production data to show how the transition pays off not just in cost but in QC ease.

    How We Handle Scale and Consistency

    Traditional stovetop chemistry gets businesses only so far. On the plant floor, everything comes back to repeatability. Our setup uses a closed, nitrogen-blanketed system for all pyrazolone stages. This limits air ingress, which in our experience has proven essential to maintaining both purity and color standards. Our solvent recovery process has reduced both environmental output and fixed costs, a decision forced by both regulation and operator buy-in as teams saw the savings in energy use and less time spent on hazardous-waste handling.

    We’ve noticed that batch consistency pays off not only in technical terms but also in plain customer satisfaction. Mid-sized customers running continuous lines report lower out-of-spec rates and easier documentation for environmental and Customs filings. That feedback steers our ongoing investments in both QC and batchwise monitoring — not because a spec sheet says so, but from the lessons learned exporting to demanding regions where penalties for bad batches add up fast.

    The Realities Behind Usage Contexts

    3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone does its best work as a coupling component for high-performance azo pigments and dyes. Synthetic routes using this intermediate gain flexibility without sacrificing throughput. Process development chemists in R&D settings, as well as engineers on pigment lines, have both commented on its low tar formation and minimal troublesome off-gassing during exothermic steps.

    Some users employ it as a scaffold for developing bioactive agents, especially for early-stage lead compound synthesis. While we do not produce finished pharmaceuticals, our GMP-aligned plant procedures invite audit and trace-back confidence for groups with strict regulatory needs. Over the long term, we have supported specialized applications in polymer stabilization and additive chemistry, where the ethoxycarbonyl unit offers a built-in handle for downstream functionalization.

    Difference in Practical Terms: What Matters in the Factory

    Factories care less about theoretical distinctions than about what happens on a busy shift. Compared to structurally similar intermediates, 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone stands out for purity retention and workup simplicity. Feedback from the blending team often points to less labeling error risk, since its appearance and odor profile are distinctive, even when containers pass through multiple hands.

    In side-by-side process validations with similar compounds, we found real, measurable differences. Evaporation residue is lower. Downtime from cleaning reactors dropped by twenty percent in one customer’s pigment plant last year after switching. These savings don’t show up on a brochure, but they matter to any operation running on lean margins. Production engineers appreciate the more predictable viscosity this product brings to blending and charging, especially during the large-scale steps for pigment or dye synthesis.

    Supporting Claims with Real Data

    All claims come backed by years of batch records, internal audits, and direct customer feedback. We routinely provide supporting COA and QC results for every lot shipped. Our own lab staff review ship-readiness based on not just purity but also flow properties, impurity spectra, and drying performance. Continuous improvement runs deep here; after one incident years ago regarding trace metal content, we invested in ICP-OES methods for every batch. Customers told us about off-color issues, so we doubled visual inspection in final pack-out. We train staff with case studies from actual complaint records, not hypothetical what-ifs.

    Many of our largest users have allowed us to publish yield and process reliability figures under NDA for industry conferences. The simple reason: performance matters. We track USDA and European standards for chemical manufacturing, reflecting our export markets’ realities. The same approach translates to reduced risk on your factory line — today’s market demands traceability, and so does every buyer once they scale up.

    Challenges and How Experience Leads to Improvement

    No molecule or batch is perfect. The complexity of manufacturing on multi-ton scales means we keep our process under constant review. Years ago, we saw issues with dry product sticking, which slowed down feeding in pigment lines. Collaborative efforts with two pigment manufacturers led us to optimize final drying and packaging — not just on paper, but on their assembly lines. Changes included streamlining filter cake handling to cut down dust and integrating new conveying equipment that preserves the product’s key powder quality.

    Another pain point came from variable order sizes and shifting purity demands. Scaling up from kilo to ton scale was never a matter of just changing vessel size — solvent recovery needed real engineering, not wishful thinking. Here, process engineers spent months reworking our distillation systems, cutting solvent carryover in half. Today’s product comes from years of learning what didn’t work, keeping us responsive and our partners’ lines running.

    Solutions: Listening to Users and Investing Where It Counts

    It didn’t take long for us to realize customer feedback beats speculation. One pigment plant highlighted static charge issues in dry winter months, so we trialed anti-static liners on a dozen orders. Downtime dropped, so we offer them on request. In pharmaceutical development, teams requested documentation beyond the norm; our tech support delivered rapid supply of analytical data and method validation, not just to tick boxes, but to make their QA teams' signoff easier.

    We’ve learned not to dismiss small process tweaks because they might look like overkill at first glance. Those are the changes that lower complaint rates, improve safe transfer, and turn one-off buyers into regular partners. Trace evidence might sound academic, but for an operator with a shipment on hold in Customs, it makes or breaks a deadline.

    Expertise and Integrity: What Direct Manufacturing Adds

    The reality of chemical manufacturing goes far beyond numbers on an assay or appearance data. Our role puts us in direct contact with real-world challenges every season. From surging demand in colorant lines to last-minute purity requests on custom syntheses, we stay connected to what truly matters: clean handoff from factory to user, and the confidence that comes with hands-on expertise. By actively collaborating with our end customers, we improve not only their outcomes but our own process performance.

    Our knowledge does not stop at production. Each lot passes through rounds of application testing in industry-relevant conditions, with trials set up to mirror what users might encounter on their own equipment. Any deviation feeds directly into our improvement process. Our primary goal is to provide a reliable baseline so that developers, production engineers, and QA staff can all move ahead — not be held back by surprises or unknowns.

    What 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone Does for Users in the Real World

    From years of feedback and self-driven process development, our team has seen the true value of this compound emerge in demanding applications. It’s a molecule shaped by need, improved by real-world frustration, and supported every step of the way by a manufacturing approach that prizes stability, openness, and continuous learning. The chemical industry never stands still. Every new batch provides lessons — about scale, about feedback loops, about the small margin for error present in every drum shipped. Having walked every step of that process, we continue to evolve how we deliver, perform, and support partners who rely on 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone to turn their ideas into usable, market-tested products.

    In the end, the difference from other similar compounds is not judged by a data sheet, but by years of lived performance. From pigment plants in Europe to R&D units in East Asia, the results echo loudest in reduced downtime, improved consistency, and project launches that happen on time. Our door stays open to every user who has a new idea or an old headache to solve — because our own experience has taught us that today’s chemical solutions stand or fall on what happens when real people put them to work.