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2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol

    • Product Name 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol
    • Alias Sudan IV
    • Einecs 249-197-0
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    661231

    Iupac Name 2-[2-Hydroxy-3-(2,4-xylylcarbamoyl)-1-naphthylazo]phenol
    Cas Number 53721-16-3
    Molecular Formula C25H21N3O3
    Molecular Weight 411.45
    Appearance Orange to red powder
    Melting Point approx. 220°C
    Solubility Soluble in organic solvents like ethanol and acetone, poorly soluble in water
    Absorption Maximum Typically around 510-520 nm
    Usage Analytical reagent, dye intermediate
    Storage Conditions Store in a cool, dry, well-ventilated area away from direct sunlight

    As an accredited 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is supplied in a 25 g amber glass bottle, sealed with a red cap, featuring a hazard label and product details.
    Shipping The chemical 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol should be shipped in tightly sealed containers, protected from moisture, heat, and direct sunlight. It must be clearly labeled, accompanied by its Safety Data Sheet (SDS), and transported according to local and international regulations for hazardous or potentially hazardous chemicals.
    Storage Store **2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-naphthylazo]phenol** in a tightly sealed container, in a cool, dry, and well-ventilated area away from light, moisture, and incompatible substances such as strong oxidizing agents. Avoid heat sources and ignition. Clearly label the container and ensure restricted access to trained personnel. Use secondary containment to prevent spills or leaks.
    Application of 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol

    Applications of 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol in Industrial Manufacturing

    As an established manufacturer, we specialize in the production and supply of 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol for a range of advanced industrial processes. Below, we detail practical downstream sectors where this specialty compound delivers specific functional value, elaborating on industry compliance, integration into manufacturing, recommended addition rates, and end-use product types.

    1. High-Performance Metalworking Fluid Colorants

    Formulators of metalworking fluids rely on precise colorant systems to distinguish fluid types and monitor additive depletion. In this application, our compound acts as a hallmark azo dye, valued for its intense, stable color and chemical resistance during high-shear, thermally demanding metal machining operations. Manufacturers incorporate this dye at controlled points in their process to achieve batch-to-batch identification, maintain visual QC standards, and support machine operator safety.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 for chemical substances
    • ASTM D6227: Standard Guide for Use of Monitoring Well Purging Devices
    • OSHA 29 CFR 1910.1200 (Hazard Communication Standard)
    • Local metalworking fluid management guidelines

    Typical usage ratio

    • 0.01–0.05% weight/weight based on final fluid; adjusted to desired intensity or machine readability

    Downstream process integration

    • Introduced post-base oil blending, before emulsifier and additive package addition; dispersed through high-shear mixers at the pigment incorporation stage

    Final product types

    • Water-miscible cutting fluids
    • Waterless neat oils
    • Anticorrosive forming fluids
    • Metal cleaning and degreasing solutions

    2. Analytical Test Reagents for Metallurgical Laboratories

    In the metallurgical laboratory sector, our material serves as a distinctive azo complexing agent, providing colorimetric changes during spot and titration testing for metal ion identification. Laboratories utilize precisely formulated blends containing this compound to achieve rapid, visible assessment of trace metals in alloy quality control, mining exploration, and wastewater monitoring, directly contributing to reproducible, accredited routine analyses.

    Industry compliance standards

    • ISO 17025: General requirements for laboratory competence
    • DIN EN ISO 11885: Water quality – Determination of selected elements by ICP-OES
    • Standard Methods for the Examination of Water and Wastewater (APHA, AWWA, WEF)
    • Local GLP (Good Laboratory Practice) directives

    Typical usage ratio

    • 0.002–0.01% by weight in aqueous reagent concentrate or analytical buffer systems, as required by assay sensitivity and metal ion concentration range

    Downstream process integration

    • Dosed during liquid reagent preparation before final filtration and aliquoting into analytical kit units; also dissolved in organic solvents for advanced spectrophotometry assays

    Final product types

    • Spot test reagents
    • Titrant indicator solutions
    • Lab standard colorimetric assay kits
    • Pre-packaged forensic screening fluids

    3. Specialty Pigments for Industrial Coatings

    This compound forms the chromophore core of certain high-durability industrial coating pigments, where it contributes not only deep color but also enhanced resistance to light, chemicals, and temperature. Coating producers depend on it for batches that require consistent shade stability during baking, UV-curing, and extended outdoor exposure, meeting the demands of protective finishes in automotive, appliance, and architectural metalwork production.

    Industry compliance standards

    • EN 71-3:2019 (Safety of Toys - Migration of Certain Elements, for coatings used in children’s items)
    • ISO 12944 (Coating systems for corrosion protection of steel structures)
    • RoHS Directive 2011/65/EU (for heavy metal limits in coatings)
    • ASTM D3359 (Adhesion of Coatings by Tape Test)

    Typical usage ratio

    • 0.05–0.5% as pigment load; dependent on required film opacity and target hue, adjusted for binder compatibility and viscosity

    Downstream process integration

    • Pre-dispersed in the grind stage; milled with carrier resins using bead mills before letdown with main resin and solvents; filtered prior to application

    Final product types

    • PVC window and door profiles coatings
    • Appliance exterior powders
    • Railway carriage primers
    • Pre-coated architectural sheet metals

    4. Color Reference Standards for Certified Calibration Tools

    Manufacturers of certified color comparators and calibration tiles use this compound as a reference chromogen where stringent reproducibility and lot-traceable documentation are essential. Its spectral absorbance and photostability provide a trusted benchmark for spectrophotometer calibration, ensuring that industrial process instruments remain within regulatory tolerance for color-critical production lines such as consumer plastics and paints.

    Industry compliance standards

    • ASTM E1164: Standard Practice for Obtaining Spectrometric Data for Object-Color Evaluation
    • ISO 9001:2015 (Quality management systems for reference material suppliers)
    • ISO 17034: General requirements for the competence of reference material producers
    • CE marking conformity where applicable

    Typical usage ratio

    • Trace-level solution or solid-state incorporation; typically 0.005–0.02% in polymer or ceramic matrix depending on reference tile or liquid reference design, balanced to match target CIE coordinates

    Downstream process integration

    • Melt-blended for plastic tiles or cast in solvent-borne matrices for glass/ceramic reference bodies; followed by precision surface finishing and batch certification using master standards

    Final product types

    • Calibrated color chips and swatches
    • Spectrophotometer liquid reference cuvettes
    • Factory control charts for paint formulators
    • Certified visual comparator disks

    5. Trace Dyes in Industrial Leak Detection Fluids

    Specialized leak detection fluid producers incorporate this compound due to its vivid hue, rapid dispersibility, and detection by simple visual or photometric means. It enables quality assurance teams to pinpoint micro-leaks in process lines or liquid-handling equipment during commissioning or preventive maintenance.

    Industry compliance standards

    • National Sanitation Foundation (NSF) guidelines for waterline inspection chemicals
    • ISO 14001:2015 (Environmental management systems, for effluent monitoring applications)
    • ANSI/ISA-18.2: Management of Alarm Systems, referenced for chemical detection in process safety
    • Material Safety Data Sheet (MSDS) completion per GHS

    Typical usage ratio

    • 0.001–0.03% in water- or glycol-based leak test solutions; adjusted according to pipe/flow system volume and background matrix interference

    Downstream process integration

    • Added post-mix to leak testing batches; agitated for uniformity before filling into pressure testing units or portable detection kits

    Final product types

    • Portable leak detection bottles
    • Pumpable test fluids for plant maintenance
    • Industrial HVAC line test kits
    • Pipeline commissioning check solutions
    Free Quote

    Competitive 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol: A Chemist’s Perspective

    A Deep Dive Into Our Most Distinctive Azo Compound

    Working directly in the manufacturing of specialty azo compounds all these years offers a front-row seat to the constant evolution in chemical applications, especially in high-performance dyes and advanced pigment industries. Our experience with 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol, recognized by many as a highly consistent and purposedly engineered molecule, has shown its staying power as demand shifts toward products that handle advanced requirements in textiles, plastics, and colorants under ever-changing conditions.

    This compound is all about controlled molecular architecture. Designed around a naphthylazo backbone attached to a xylylcarbamoyl group, its distinctive structure shapes not only its unique chromatic profile but also confers excellent fastness properties and compatibility. Unlike many alternatives on the market, performance here is grounded in chemical consistency, not just surface appearance. We spend years ironing out the synthesis, purification, and handling procedures, having seen firsthand how minor process variations can change shade, solubility, and light resistance.

    Product Model and Specifications: As Delivered by the Source

    Our typical production batches of 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol average assay values that go above 98% on a dry weight basis, with controlled residual moisture—strictly monitored every shift, every batch, because trace water and byproducts alter handling and shelf life. Chemists in downstream sectors share repeated feedback: tight purity windows translate to fewer surprises when incorporating into final blends, and onsite technical teams appreciate knowing exactly what arrives with each drum.

    What sets this product apart, in our daily reality at the plant, is reproducibility. We deploy highly monitored recrystallization sequences, using proprietary solvent combinations, to chase out intractable side-products that have haunted legacy producers. The color index specification stands sharper batch-to-batch because of this continual refinement. Across analytical data, our routine spectrophotometry matches not just the required lambda maxima, but also achieves pronounced color saturation and fade resistance. We learned the hard way, on faded textile lots and disappointed compounders, how unforgiving the end market can be to even small deviations.

    Targeted Usage: Real-World Performance in Practice

    In the field, 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol gets called upon in specialty dye formulations—deep fiber coloring, masterbatch polymer colorants, and some niche cosmetics—where stability, depth, and brightness can carry more weight than broad cost-per-kilogram metrics. From talking with our partners in dye houses, we know the expectations: a hue that stands up to repeated washings and temperature spikes, granules that disperse evenly without leaving gritty residues, and chemical compatibility that prevents precipitation or instability in diverse matrices.

    We see end-users working this molecule into complex blends, precisely because it resists photodegradation and maintains brilliance under harsh process conditions. It’s not a beginner’s pigment for simple applications. Customers with small-batch fabric lines, engineered polymer producers, and technical coatings specialists trust it because it withstands the optical and chemical scrutiny their products face. Our feedback loops with R&D groups—right at the interface between factory and development—allow us to nimbly adjust process parameters to fine-tune solubility curves or optimize particle size for better uptake and dispersion.

    Comparison to Other Market Offerings: Manufacturer’s Candid View

    Having tested and compared a wide range of azo compounds through in-house QC and collaborative testing with trusted clients, differences between products often come down to micro-level details that are only noticeable in real application trials. Less refined batches, sometimes sourced from trading channels or secondary producers, may come at lower up-front expense but carry penalties in terms of purity, presence of tarry by-products, and batch inconsistency. We stay away from shortcuts, knowing that saving a fraction in crude separation usually creates headaches later—agglomeration, uneven dyeing, and unexpected off-hues that propagate throughout downstream processes.

    Many competitive offerings lack the consistent batch signatures that result from systematic process monitoring. In the synthesis of 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol, side-products like over-condensed azo derivatives or incomplete coupling products can wreak havoc if even trace levels cross downstream. Unlike bulk commodity dyes, which tolerate greater impurity spreads, this molecule benefits from painstaking impurity control. Over years of scrutiny, we dialed in filtration, crystallization, and washing steps specifically for this product, sidestepping variations that typically show up as small differences in color intensity or fading seen after just a handful of cycles at end-use.

    We back our claims with customer validation data, blind tests, and continuous feedback from development partners. High-purity batches mean reduced impurity build-up in expensive process equipment, less need for continuous tank cleaning, and lower risk of off-color complaints. Some alternatives, even those advertised as “technical grade,” tend to leave sludge or cause nozzle clogs during blending, both of which cost valuable production time in the real world. Our process doesn’t eliminate these headaches by magic; it’s the result of decades spent listening to coating applicators, fiber spinners, and pigment dispersers who rely on steady performance every day.

    Working Toward Sustainability and Compliance

    As manufacturers, we work inside an industry under increasing regulatory and stakeholder scrutiny for both environmental stewardship and operator safety. Throughout the production of this azo compound, we closely monitor each step to handle and minimize waste, VOCs, and residual solvent release. Adopting advanced recovery techniques that reclaim and reuse solvents gives us both economic and environmental edge. There’s no shortcut for maintaining paper-trail transparency—each batch carries complete documentation, not only because regulations demand it, but because our partners need the full picture on the materials they receive.

    Testing across anticipated application environments is a non-negotiable part of our new batch validation. Exposure to ultraviolet light, harsh pH ranges, and thermal cycling goes beyond routine shelf-life assurance. We need to know how degradation products form, not just in storage but inside a customer’s process or during recycling. After extensive in-house and third-party analysis, our 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol samples report negligible heavy metal content, and meet or surpass most international limits on restricted aromatic amines.

    We take part in ongoing dialogue with regulatory bodies and industrial consortia, sometimes serving as a pilot site for new compliance protocols. Each new adjustment—a tweak to water treatment flows, addition of closed-system handling for powders, or digital batch tracking—rolls out following field and in-house evaluation. Real accountability in manufacturing happens in each shift, each QA signoff, each filled drum.

    Supply Chain Reliability and Manufacturer Accountability

    Chemical manufacturing doesn’t end at the reactor or filter press. Running one of the few vertically integrated lines for this compound in the region, we control source raw materials, finished forms, and packaging. In today’s supply chain climate, that control matters more than ever—too many stories circle through the industry about interrupted supplies, variable lead times, or unexplained changes in material properties. When customers depend on us, the only acceptable answer is full batch traceability and clear production histories for every shipment.

    From first raw input through final packaging, our teams perform multiple quality holds and inspections, including both automated checks and hands-on visual inspections. No shipment leaves until QA and logistics sign off on documentation, drum integrity, labeling, and final sampling. Downstream partners know the name and face behind each lot shipped and reach out directly when any anomaly arises. Reliability is as much about openness as it is about unbroken supply.

    Customers tell us often that the greatest value from a manufacturer comes in those moments when things don’t go as planned—results that look different, measurements that drift. Years of open problem-solving mean our support doesn’t stop at dispatch; technical advice, rapid analysis, and substitution guidance are part of every long-term relationship we build. Complications are inevitable in chemical operations; how a partner responds separates those who see themselves as suppliers from those who commit as real manufacturing partners.

    Technical Insights From Years on the Production Floor

    Through more than a decade of producing this molecule at scale, real progress emerges not from theoretical gains, but from repeated cycle improvements based on hands-on operator feedback and observations. Common challenges—control of particle size, prevention of moisture pickup, optimization of filtration—rarely get solved with one sweeping innovation. They take persistent tinkering, attention to every modification, and a willingness to reset protocols when a process drift creeps in.

    Our operators flag filtration residues and viscosity changes before routine analysis detects them. Maintenance teams adapt equipment on the fly, installing new seals or modifying agitation profiles to adapt to changes in seasonal humidity or raw material lots. Continuous improvement takes place not in clean conference rooms but in noisy, sometimes uncomfortable production environments where muscle memory and training save batches and prevent costly reprocessing.

    Every new analytical technique—adopted after months of side-by-side validation—feeds back into the mainline process. Only after repeated confirmation do new methods become standard, making every future lot more predictable. This attitude and workflow mean we can openly share technical know-how with advanced clients, offering more than just a spec sheet and hoping for the best.

    Practical Tips for Application and Handling

    Chemists, lab managers, and plant technicians often reach out for advice, especially for first-time integration of 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol into complex dye systems or polymer projects. Based on years of feedback and on-site trials, the following pointers come up repeatedly: keep product stored in tightly sealed containers, away from direct sunlight and moisture. Divide stock into manageable portions to avoid frequent exposure of the main supply. Always pre-test both small-scale and initial bulk trials to confirm expected dispersion and compatibility.

    End-users in masterbatch production and textile dyeing often report best results after conducting pre-wetting and slow initial mixing to fully incorporate the powder and avoid “color shock” or residue buildup. Our technical service team regularly supports clients by reviewing application data, suggesting adjustments in process parameters, and troubleshooting any issues that arise from local water quality or mixing energy. Feedback from our partners builds into every batch iteration—real-world use isn’t just a data point, but a guide for ongoing improvement.

    Protective equipment during handling remains a must for all fine powders. Proper extraction and workspace hygiene not only reduce worker exposure but safeguard against rare cross-contamination events that jeopardize batch consistency. Training operators in safe, repeatable procedures supports both people and process integrity.

    Looking Forward: Continuous Commitment in Specialty Chemical Manufacturing

    Every year brings new requirements, expanded test protocols, and evolving customer expectations. We keep our focus trained on technical excellence, transparency, and support—not because it’s written in a mission statement, but because it defines how we sustain long-term partnerships. Companies choosing 2-[2-Hydroxy-3-(2,4-Xylylcarbamoyl)-1-Naphthylazo]Phenol from our line know they receive material born from hard-earned experience and relentless attention to detail, supported by a team ready to listen, adapt, and respond.

    We see firsthand how shifting regulatory landscapes, raw material volatility, and rising end-use demands continue to reset the bar for specialty colorants and advanced pigment compounds. There’s no static endpoint; every improvement, every customer project, and every hiccup caught early feeds back into manufacturing. Feedback from real chemists, operators, and industries around the world keeps our process moving and pushes us forward.

    Crafting a product for high-performance, long-life applications starts and ends at the source—with persistent manufacturing discipline fueled by a culture of technical problem-solving and shared accountability. Our commitment holds through each lot, every delivery, and at every point where our material meets a new challenge in the real world.