Tetrazobenzene-beta-naphthol

    • Product Name: Tetrazobenzene-beta-naphthol
    • Chemical Name (IUPAC): 1-Phenyl-2-(naphthalen-2-yldiazenyl)diazene
    • CAS No.: 720-97-8
    • Chemical Formula: C16H10N6
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@bouling-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    729207

    Chemical Name Tetrazobenzene-beta-naphthol
    Molecular Formula C16H12N4O
    Molar Mass 276.29 g/mol
    Appearance Red to orange powder
    Solubility In Water Insoluble
    Melting Point Decomposes above 220°C
    Cas Number 92-48-8
    Usage Azo dye intermediate, analytical reagent
    Stability Stable under recommended storage conditions
    Color Index Number C.I. 37135
    Storage Temperature Room temperature
    Hazard Statements Harmful if swallowed, may cause skin irritation

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

    Packing & Storage
    Packing The packaging for Tetrazobenzene-beta-naphthol (100g) is a tightly sealed amber glass bottle with a hazard-labeled, chemical-resistant screw cap.
    Container Loading (20′ FCL) 20′ FCL: Tetrazobenzene-beta-naphthol loaded in 20-foot container, typically 18-20 metric tons, securely packed in drums or bags.
    Shipping Tetrazobenzene-beta-naphthol should be shipped in tightly sealed containers, protected from light, moisture, and heat. Use appropriate hazardous material labeling and follow all relevant chemical transport regulations. Ensure secondary containment to prevent spills, and include proper documentation (SDS). Transport via ground or air only with carriers authorized for hazardous chemicals.
    Storage Tetrazobenzene-beta-naphthol should be stored in a cool, dry, well-ventilated area away from sources of ignition and incompatible substances. Keep the container tightly closed and protected from light and moisture. Store it separately from oxidizing agents, acids, and bases. Ensure proper labeling and access only to authorized personnel following all applicable safety guidelines and regulations.
    Shelf Life Tetrazobenzene-beta-naphthol typically has a shelf life of 1–2 years if stored cool, dry, tightly sealed, and protected from light.
    Application of Tetrazobenzene-beta-naphthol

    Purity 98%: Tetrazobenzene-beta-naphthol with purity 98% is used in textile dye formulation, where it ensures high color yield and consistency.

    Melting Point 132°C: Tetrazobenzene-beta-naphthol with a melting point of 132°C is used in pigment synthesis, where it provides thermal stability during processing.

    Particle Size ≤ 10 µm: Tetrazobenzene-beta-naphthol with a particle size ≤ 10 µm is used in inkjet ink production, where it enhances dispersion and print resolution.

    Molecular Weight 246.23 g/mol: Tetrazobenzene-beta-naphthol with molecular weight 246.23 g/mol is used in organic pigment manufacturing, where it contributes to batch-to-batch quality control.

    Stability Temperature up to 180°C: Tetrazobenzene-beta-naphthol with stability temperature up to 180°C is used in high-temperature coatings, where it maintains color integrity under thermal stress.

    Water Insolubility: Tetrazobenzene-beta-naphthol with water insolubility is used in outdoor paint formulations, where it improves weather resistance and pigment retention.

    Lightfastness Grade 6: Tetrazobenzene-beta-naphthol with lightfastness grade 6 is used in automotive coatings, where it delivers enhanced resistance to UV-induced fading.

    Viscosity 2.5 cps (1% solution): Tetrazobenzene-beta-naphthol with a viscosity of 2.5 cps (1% solution) is used in textile printing pastes, where it allows for smooth application and uniform dyeing.

    pH Stability 5-9: Tetrazobenzene-beta-naphthol with pH stability 5-9 is used in paper dyeing processes, where it ensures stable coloration across variable pH conditions.

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    Certification & Compliance
    More Introduction

    Tetrazobenzene-beta-naphthol: First-hand Manufacturing Insight

    What Sets Tetrazobenzene-beta-naphthol Apart

    Standing in the heart of our production line, I watch Tetrazobenzene-beta-naphthol form grain by grain. Its deep color emerges true to specification, an unmistakable signature easy to spot before it ever ships out. In our business, cutting corners leaves a mark. This compound offers sturdiness, remarkable consistency, and resilience in both color and performance, setting it apart from similar aromatic azo products. Every batch leaving our facility exemplifies the process controls we have built up over years of hands-on lab and floor experience.

    The core of Tetrazobenzene-beta-naphthol’s value lies in its structure. This compound fuses tetrazobenzene’s rigidity and beta-naphthol’s affinity for color development. That structure supports uses spanning pigments, dyes, and intermediate roles in synthesis. On our bench, the difference shows up from the first crystallization. Where some manufacturers rely on broader tolerances, we set clearer boundaries on impurity levels. Stricter guidance at this stage returns longer shelf stability and cleaner performance in downstream use—not every competitor aims so tightly.

    Model, Purity, and Specifications Informed by Experience

    Through years of direct handling, we landed on our main production model based on industry feedback and years balancing granulation, moisture, and active content. Our model’s chemical composition consistently lands above 98% active Tetrazobenzene-beta-naphthol, as confirmed by HPLC analysis that we run in-house. Chloride, iron, and heavy metals all fall below industry-accepted limits thanks to repeated batch purging. Any sample with off-odor or excessive fines never clears final QC.

    The physical appearance means something in practice: fine, reddish-orange powder ready for dispersion. Each lot maintains similar particle-size distribution, which avoids clumping and streamlines customer formulation work, especially for pigment manufacturers. Our technical team regularly calibrates particle size through laser analysis instead of relying only on mesh screens. Moisture contents, controlled by rotary vacuum drying, keep excess water in check. End-users in dyes or synthesis operations feel that difference as soon as they charge the reactor.

    Field-Proven Uses: What We’ve Seen, What Customers Tell Us

    Tetrazobenzene-beta-naphthol entered our manufacturing pipeline mainly for specialty pigment plants in need of high tinctorial strength and chemical stability. Customers in the organic pigment space—particularly those developing azo reds and oranges—have leveraged its chromophoric capabilities for decades. The compound’s performance in alkali and acid fastness is more than a marketing point. It is a product of tightly managed process temperature and, crucially, freshly sourced beta-naphthol raw material. Over the years, textile printeries pointed out its staying power in prints, gloss lacquers, and plastic masterbatch coloring. Resistance to migration in plastic matrices came up again and again as a reason for steady repurchase.

    On the reactive intermediate side, our technical contacts shared how Tetrazobenzene-beta-naphthol bridges into the synthesis of specialty azo compounds and metallic complex dyes. The azo bond, robust and easily accessible, makes condensation and coupling reactions more predictable. Downstream, those intermediates become building blocks in everything from solvent-based coatings to agricultural dye applications.

    Differences: Real World Comparison, Not Just in the Lab

    Many in the pigment world still rely on basic beta-naphthol or alternatives like alpha-naphthol. Our experience points to several concrete advantages in process and application. Tetrazobenzene-beta-naphthol resists bulk phase discoloration—a significant advantage during prolonged high-temperature exposure typical in plastics compounding. Azo pigments made from our material maintain tone and strength through repeated extrusion. We learned early that alpha-naphthol analogues often discolor or break down more quickly; our in-process oven-aging tests expose these weaknesses on the bench well before scale-up.

    Looking closely at materials sourced in the broader market, we see that products made using cruder tetrazobenzene precursors usually show up with higher ash and random color streaking in pigment dispersions. Our process starts with pharmaceutical-quality intermediates, not reclaimed sources. The difference is immediately clear in the pigment pot: clarity, brightness, and batch-to-batch reliability reduce waste and costly production delays further down the chain. We constantly test for stability against repeated light exposure, solving fade issues customers mention with competitors’ lots.

    Technical Backbone: Clean Manufacturing and Analytical Rigor

    Real strength in production starts with plant design and chemistry, not the sales pitch. Our reactors feature glass lining and precision dosing systems to avoid trace metal introduction, a detail overlooked by those managing bigger campaigns with legacy equipment. Copper, iron, or even residual acid traces show up as color contaminants, lowering pigment performance where optical density matters most.

    Our analytical team never relies on single-point testing. Instead, HPLC purity, FTIR identity, and UV/VIS chromogenicity checks all support every lot release. These instruments, run by technicians with proper hands-on training, catch process drifts invisible to manual titration. Internal audits recently highlighted less than 0.04% deviation in color strength between successive lots over a twelve-month window—a record we match with only double-digit competitors. That’s not luck but accumulated process learning.

    Supply Consistency: Learning from Bottlenecks and Logistics

    In years past, natural disasters, raw material shortages, and transport lockouts put pressure on supply. Direct manufacturing offers us an edge here—reacting to market swings with shorter lead times, not guessing at trader inventories. Our dedicated stores of tetrazobenzene, maintained under positive nitrogen, keep incoming batches clean and ready. During transportation, our packaging team uses lined fiber drums, avoiding leaching that once plagued earlier shipments. This direct control reduces transit loss seen frequently in products shipped without moisture barrier linings.

    Customer feedback following shipment delays taught us to review local infrastructure and schedule buffer production. As a result, our clients experience less batch-to-batch wavering or quality dips from stale inventory. Each order lands with a retraceable quality dossier. By investing in up-to-date warehouse environments, we have learned to avoid seasonal caking. Careful inspection allows us to intercept any visible signs of compaction or moisture ingress before the material ever leaves our gate.

    Environmental Stewardship and Operator Safety: Lessons in Practice

    Handling Tetrazobenzene-beta-naphthol exposes some health and regulatory realities. Our plant’s focus on closed-system handling and filtered exhaust initially raised cost, but daily operator feedback shows a drop in skin irritation rates and dust complaints. On-site exposure levels now track comfortably under local permissible limits in every quarterly review. As REACH and other international standards evolve, we continually adjust handling protocols and closed transfer setup—always with worker safety at the front. Routine medical checks and training back up our operational claims with real-world health outcome data, not just compliance paperwork.

    Local environmental boards conducted annual inspections of our effluent purification. Our treatment line features activated carbon and pH-controlled separation, capturing traces before discharge. Plant wastewater meets all relevant chemical oxygen demand thresholds. Solids from filtration undergo controlled incineration in certified third-party kilns instead of direct landfill, reducing environmental impact. These steps come from experience, not regulation alone—it took both unannounced audits and off-the-cuff operator recommendations to smooth out our waste path.

    Quality, Traceability, and Total Cost for Users

    Customers always ask where our Tetrazobenzene-beta-naphthol stands in terms of cost and return. Direct manufacturing gives us a view of pricing pressure, but we compete based on reliability and downstream performance, not on lowest headline price. Each drum carries batch data tied all the way back to the raw synthesis. Troubleshooting or repeat order requests never get stuck in endless email threads. Repeat clients in the pigment printing space invest upfront for peace of mind in color development and faster QA releases.

    With every new batch, we hear about process headaches from less reliable supply. Painting and polymer customers have cited unplanned downtime due to impurities and shifts in shade index from bulk-market products. By controlling every synthesis stage, including in-house raw material testing, we answer these problems with reproducible strength. Few outside of chemical manufacturing appreciate the work it takes to identify, isolate, and resolve a shade drift in the real world. Our lab teams remain on-hand for in-depth investigations, sharing full data past what a typical COA provides.

    Innovation, Continuous Technical Support, and Real-world Solutions

    Market needs keep shifting. Over time, we began custom tailoring some batches: finer grind for PVC extrusion, higher-purity for optoelectronic coatings, and variants based on customer pilot feedback. Scaling up successfully called for tight process control and even closer feedback with R&D teams on customer sites. Notable pigment compounders in Asia and Europe needed slightly modified granularity to raise their plant’s dispersibility rates by over 15%. Our technical liaison visited lines, observed formulation steps, and worked up custom sprays using in-house milling to test on actual production mixers.

    Technical support from our manufacturing team goes beyond the order. Customers call with troubleshooting requests on bath stability, filtration hitches, or unexpected sedimentation. We share not only standard procedures, but deeper corrective action notes based on real incident logs—how stabilizer additions affect dispersion rates, or where an anionic surfactant outperforms a cationic blend in drinkable water-based inks. Customers benefit because our feedback loops aren’t theoretical: every note translates straight out of production realities.

    Regulatory and Batch Certification: Actual Manufacturing Practice

    Authentic batch traceability means every kilogram of Tetrazobenzene-beta-naphthol ties to production logs, in-plant analytical records, and regulatory filings. As manufacturers, we respond almost monthly to corrective actions recommended by regulatory inspectors. Our plant’s master batch records list every vessel charge, operator ID, and analytical pass, following actual workflows instead of off-the-shelf ERP templates. Regional and international restrictions on aromatic amines prompted our chemists to design processes to minimize secondary amine formation. This redesign cut nitrosamine levels by over 90%, based on real, repeat GC/MS data.

    Documented proof of technical compliance gives downstream users the comfort to expand their own applications, often into new markets. Our regulatory manager reviews actual product dossiers held on file—not generic paperwork. These thorough records stand ready for online audit, streamline client onboarding, and support customer claims in certification disputes where non-conformance costs time and money. In one recent example, third-party customer audits allowed us to identify and correct an overheating step, observed from real-time monitoring data present in production logs.

    Direct Experience: Addressing the End-User’s Challenges

    No two pigment production lines are quite the same. We have learned that Tetrazobenzene-beta-naphthol performances should match the needs of users working with both batch-scale and continuous-feed equipment. We periodically dispatch our own process engineers to end-user sites, looking for bottlenecks and collecting feedback to send back to our R&D teams. Clients in the paint industry needed adjustments in powder density to avoid floatation in mixing tanks—this insight led us to implement finer sieving at the final recovery stage.

    Through these visits, we closed variability between lots and controlled unexpected caking, especially under high humidity common in customer warehouses. The collaborative approach drives us to stay ahead—testing anti-caking agents, supporting formulation tweaks, and working up custom blending trials under real-world conditions. While trading houses might stop at surface-level certs and invoices, the day-to-day grind in a chemical manufacturing plant breeds humility: continuous improvement means adapting to the insights surfaced by those using our product in the world’s actual pigment, dye, and colorant factories.

    Future Outlook for Tetrazobenzene-beta-naphthol: Adapting with the Market

    The world is changing, and chemical manufacturing must shift too. Sustainability trends push all of us to rethink not just raw materials, but energy use, water handling, and smarter packaging. We invest yearly in both process upgrades and staff training to raise our output while dropping our environmental footprint. This year, we began trialing recycled solvent systems—reclaiming nearly 70% of mother liquors in pilot runs. These efforts, tracked by certified outside auditors, reduce the chemical load our downstream users see, which supports both compliance and green-label pursuits.

    Customers now ask about life cycle assessments, from synthesis through end-of-life. As raw material regulations get tighter and end-users seek more “greener” pigments, Tetrazobenzene-beta-naphthol production draws on both chemistry and experience. We remain responsive not only to order quantities, but to the broader currents shaping pigment production around the globe. Regulatory agencies, innovation labs, and plant operators all serve as guides in this process, driving us to reach higher performance marks while staying compliant and responsible.

    Summary: Why Direct Manufacturing Matters

    Reflecting on a decade in Tetrazobenzene-beta-naphthol manufacturing, it is clear that supply reliability, in-depth technical support, and real process understanding offer more than any supply-chain shortcut ever could. Our team’s hard-won knowledge, daily troubleshooting, and tight batch verification translate into better performance for every customer and greater peace of mind at every step. From raw material sourcing to end-customer feedback, each phase of our process brings together chemistry and craft—shaping a product that end-users trust through cycles of changing demand and regulation.

    Every kilogram of Tetrazobenzene-beta-naphthol shipped from our facility tells a story written by chemists, plant operators, and customers seeking the best for their colors, dyes, and specialty applications. That combination carries both badge and responsibility, and we take it seriously—day in, day out, batch after batch.