Anhui Liwei Chemical Co., Limited
Products

Benzeneazo Resorcinol 3


    • Product Name Benzeneazo Resorcinol 3
    • Alias Chrysoine Yellow G
    • Einecs 219-616-8
    • 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

    742117

    Product Name Benzeneazo Resorcinol 3
    Synonyms 2-[(Phenyl)azo]resorcinol
    Cas Number 1767-74-6
    Molecular Formula C12H10N2O2
    Molecular Weight 214.22 g/mol
    Appearance Red to orange powder
    Solubility Slightly soluble in water; soluble in ethanol
    Melting Point 204-208°C
    Lambda Max 410 nm (in ethanol)
    Density 1.32 g/cm³
    Purity Typically >97%
    Storage Conditions Store at room temperature, away from light

    As an accredited Benzeneazo Resorcinol 3 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging for Benzeneazo Resorcinol 3 contains 25 grams in a sealed amber glass bottle with a secure screw cap.
    Shipping Benzeneazo Resorcinol 3 is shipped in tightly sealed containers, protected from light and moisture, and handled as a hazardous chemical. Packaging complies with international transport regulations. The shipment includes appropriate labeling and documentation, ensuring safe transit. Personal protective equipment (PPE) is required during handling to minimize exposure risks during transport.
    Storage **Benzeneazo Resorcinol 3** should be stored in a tightly closed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Keep away from incompatible substances such as strong oxidizers. Avoid direct sunlight and sources of ignition. Ensure proper labeling and use secondary containment if necessary to prevent spills or environmental contamination.
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    Competitive Benzeneazo Resorcinol 3 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.

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    Tel: +8615380400285

    Email: sales2@liwei-chem.com

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    Certification & Compliance
    More Introduction

    Benzeneazo Resorcinol 3: A Manufacturer’s Perspective on Precision, Performance, and Real-World Application

    A Closer Look at Benzeneazo Resorcinol 3

    Production of Benzeneazo Resorcinol 3 brings together years of experience in chemical manufacturing—balancing careful raw material selection, process control, and methodical quality checks. Every batch reflects this discipline because minor inconsistencies ripple out to the client, especially those with exacting analytical or specialty coloring needs. Compared to common azo compounds, Benzeneazo Resorcinol 3 stands out thanks to its stable, reproducible coloration characteristics and its reliable analytical response in sensitive detection environments. Labs and manufacturers rely on those properties, and as the producer, we’re regularly reminded that shortcuts in synthesis show up right away in application. The difference isn’t theoretical; it’s visible across the process line and out in the field.

    This product, often listed as BR3 or by its chemical formula, owes its respected position to consistent purity and coloration strength. Customers range from analytical chemistry teams using BR3 as a metal ion indicator, to process industries needing a robust, stable dye. Many smaller dye houses and independent labs buy directly for their testing, but larger manufacturers do as well—recognizing the layers of internal checks we implement during every production run. Every drum or smaller container that leaves the plant reflects a string of choices made far upstream, from solvent filtration through to final drying and packaging. We track every step, as a missed variable during production means trouble down the line for everyone who handles the product next.

    Quality Manufacturing: Beyond a Standard Dye

    Consistency is not a marketing phrase—it’s a daily target. The azo coupling step, which defines Benzeneazo Resorcinol 3’s coloration, must be tightly monitored. Hot spots in the reaction, temperature swings, or impurities creeping into the starting resorcinol or diazonium salt can throw off the entire batch. Twenty years ago, less precise process control meant more lot-to-lot variability. Our team has fine-tuned everything from initial pH buffering to agitation speed, so customers farming data from colorimetric titrations don’t need to second-guess the product. We know analytical-grade BR3 serves as a crucial reference in tests for aluminium, cobalt, and nickel—if our product gives even a slight tinge off the expected hue, the results downstream can mislead users and waste hours or days of expensive lab work.

    Inside the manufacture, solvent management and waste minimization take front seat. Water handling, in particular, must remain under tight scrutiny. Recycled solvents save cost, but pushing reuse too hard risks introducing trace contaminants. Our production floor has built in routine cyclic solvent purification matched to each run size. Many long-term partners in the analytical reagent sector keep coming back, since their internal QC teams trust our attention to these subtleties. This reputation didn’t arrive overnight; early on, we discarded corners cut for speed because, in our experience, the final user always pays the price for even tiny lapses.

    Applications That Drive Demand

    Most inquiries about Benzeneazo Resorcinol 3 boil down to two fields: analytical chemistry and specialty dyeing. In trace metal analysis, BR3’s ability to form distinctive colored complexes allows for sharp endpoint detection. We’ve watched researchers discover a new interference or variation, then circle back to seek clarification of our synthesis route or contaminants. We supply not just the chemical, but transparency about exactly how it’s produced and tested. High-purity batches undergo discrete contaminant profiling, especially for metals that can throw off the chromogenic response. Labs running high-precision colorimetric titrations want to see the same reaction profile, time and again.

    On the dye manufacturing side, Benzeneazo Resorcinol 3 brings color stability and fade resistance valued in plastics, textile fibers, and specialty inks. Particularly in heat-sensitive or lightfast applications, subtle tweaks to reaction temperature or filtration can change how the color lays in a matrix or resists washing. Over the last decade, our technical team has helped partners fine-tune their loading and curing protocols for new polymer blends and fiber mixes, using data culled from real production lots, not just theoretical results.

    We keep an open dialogue with users—not just big process buyers, but smaller academic or industrial labs who run one-off tests or novel synthesis work. This feedback loop helps us further refine the product mix and allows clients to trace back an anomaly to an actual lot, with full traceability built in. One year, a research group flagged a slight background yellowing in a new composite, which led us to re-examine the aging solvents used in a specific production cycle. By solving it at the root, the formula returned to the expected spec, sparing users from unnecessary troubleshooting on their end.

    Differences That Matter: How BR3 Sets Itself Apart

    Chemical catalogs list plenty of azo-based dyes and metal indicators. The typical buyer wants to know: why pick Benzeneazo Resorcinol 3 made under our process over an alternative? Here, actual track record speaks. Many competitors manufacture for volume, blending in recycled intermediates or pushing for speed over exact color shading. We’ve learned repeatedly that deviations in the northern route (synthesizing using less pure diazonium precursors, for instance) introduce detectable shifts in color. Our team refuses to cross-mix intermediates—the record-keeping here is strict because color analysts in large-scale metalworking or refineries often examine hue with visual or instrumental calibration. The results, for example during a batch scale nickel quantification, must fall tightly within accepted boundaries.

    Particle morphology and solubility also distinguish our BR3 from more impure or hastily prepared alternatives. Our grinding regime uses a staged drying and sieving process that reduces fines and tailings, so dissolutions happen cleanly and without visible clumping—an issue that seems minor until an analytical team finds a blocked titration vessel and faces lost hours recalibrating their setup. Some other manufacturers ship material with higher moisture, which leads to gradual hydrolysis, dulling batch color over weeks. We store and package in moisture-shielded drums, drawing from hard-won lessons about regional humidity swings during transport.

    With the popularity of Benzeneazo Resorcinol 3 in research and quality control, counterfeit and off-brand material occasionally appears, usually lacking the batch documentation or containing high levels of metal contaminants. Several customers have reached out after discovering unexpected performance failures with lower-priced online product, especially in trace detection. We offer full certification of manufacture, contaminant profile, and, when requested, offer technical support directly from our production chemists. Many regulatory-constrained buyers, especially in regulated pharma or water analysis, can’t risk running unvetted chemicals. Our lot-level QC data regularly gets submitted to these regulatory bodies for preapproval or verification—building hard trust over time, not just promises.

    Responsible Manufacturing and Worker Safety

    Making Benzeneazo Resorcinol 3 also means active management of procedural risks and continuous training for technicians and operators. Early on, company safety records showed accidents clustered near the azo coupling section, where dust handling or minor splashes could cause irritation or exposure risk. Our safety committee overhauled both ventilation and PPE requirements, switching to close-loop transfers whenever possible. Routine occupational health screening for all production staff is a fixture in our calendar.

    Environmental responsibility plays a central role in production planning. Used solvents are captured and rigorously treated to meet baseline chemical oxygen demand before disposal. We don’t discharge dye-rich waste into municipal streams—our local track record gets reviewed by regulatory authorities. Some clients, especially those in the EU and North America, actually audit these practices before agreeing to long-term contracts. Their site surveys prompted us years ago to install a two-stage carbon filtration system and sealed storage for spent dye residues. Once, a contracted auditor flagged a slightly elevated trace solvent reading, which led to an overhaul of our drum cleaning sequence. Now, every outflow gets double-checked during batch closeout.

    We also supply SDS and transport documentation generated internally; these documents tie directly to the production lot, ensuring buyers can trace every shipment to the day and shift it was made. This transparency isn’t just red tape—it’s driven by real episodes where buyers traced a field anomaly back to a specific day’s production, then worked with us to reproduce or fix the result. For buyers in sensitive fields, knowing exactly what’s in every drum makes all the difference when regulatory inspections arrive.

    Real-World Results: Where Reliability Counts

    Clients from pharmaceutical quality control, municipal water analysis, alloy testers, and specialty dye shops use Benzeneazo Resorcinol 3 daily. We regularly receive feedback on new analytical procedures: some customers devise multi-metal tests that stretch BR3’s selectivity, while others adapt it for rapid field detection. Our technical support team works directly with these innovators, reviewing method details and recommending tweaks backed by comparison trials run in our own labs.

    A memorable example: one industrial refinery found that blending BR3 in an automated metal analysis setup introduced inconsistent absorbance response between calibration runs. Working together, the teams traced the problem not to the batch, but to line contamination upstream of reagent mixing—an insight only possible because we maintain detailed batch traceability and can rapidly compare internal QC records to customer-side performance. This kind of open communication brings both sides closer to a perfect workflow.

    In art restoration and pigment research, several university partners appreciate our willingness to discuss not just finished product, but underlying chemistry. When a project leader reached out about suspected photobleaching under intense museum lighting, we ran parallel UV-exposure tests using both off-the-shelf and custom-prepared BR3. The feedback loop worked both ways: it helped us learn how our product stands up outside standard lab settings, and it gave the restoration team confidence that the source material matches their performance requirements.

    Supporting Innovation and Customization

    Not every client fits a standard mold. Some need Benzeneazo Resorcinol 3 tailored with special grinding parameters, or delivered in unusual packaging to fit into glovebox setups. Instead of forcing every buyer into a standard product type, we keep a flexible queue for special requests. Over the years, this has included everything from 25-kg poly drums for volume ink manufacturing, to glass-sealed vials for academic high-purity lots. Large multinational labs and one-person research outfits alike benefit from a process flexible enough to adapt without sacrificing documentation or consistency.

    Requests for altered particle size or bespoke accessory reagents often come with tight delivery deadlines. Our scheduling crew coordinates directly with floor supervisors, and our logistics team pre-tracks shipments for sensitive destinations—cold-weather packaging, moisture-controlled freight, or split-batch shipments depending on customer storage. By staying close to real customer timelines and avoiding over-promise, we preserve trust—the currency that matters most in technical manufacturing relationships.

    Challenges and Solutions: Looking Forward

    Demand for Benzeneazo Resorcinol 3 grows each year, especially as new analytical technologies expand the visibility of metal ions in water, industrial, and biological samples. We face regular challenges with raw material variability, tightening environmental regulations, and downstream application complexity. Instead of treating each as an obstacle, the production team meets regularly with R&D to calendar problem-solving sprints. Sometimes, switching to a new grade of resorcinol brings unexpected improvement or triggers days of trouble-shooting. We treat every new requirement or reported anomaly as a chance to further hone both process and product.

    Recent years pushed all serious manufacturers to focus on environmental footprint. Instead of simply meeting minimum requirements, we invested in solvent recapture, alternative energy sources, and waste stream minimization. This pivot came not just from customer requests, but from watching the regulatory landscape evolve. Some buyers—especially European partners—now require documented chain-of-custody verification from source chemical to finished drum, with regular on-site audits. By building these steps into normal production, we meet today’s expectations and prepare for what’s next.

    Out in the paint, dye, and analytical markets, counterfeiting and off-grade reselling threaten user confidence across the industry. By maintaining open communication lines, submitting to independent third-party validation, and documenting every step of our process, we help ensure that the product marked as Benzeneazo Resorcinol 3 truly performs as intended. If a result drifts or seems off, we provide sample retesting, open-door technical advice, and, if needed, new material free of charge. That attitude, based on respect for the user’s operation, keeps our product trusted year after year.

    Trust Built on Experience

    Behind every kilogram of Benzeneazo Resorcinol 3 stands a network of skilled operators, process chemists, safety officers, and logistics experts, all focused on delivering consistent, high-purity product to labs and manufacturers around the world. We don’t see our role as mere fulfillment of orders. From the first contact, through every production step, to final delivery, our team remains accountable. Whether a customer’s need centers on accuracy for critical titrations, color reliability in batch production, or specialized custom runs for research or process improvement, we apply real plant experience to every conversation and every drum shipped.

    Competition drives us to improve, but customer feedback shapes every refinement. Benzeneazo Resorcinol 3 reflects not just a chemical formula, but decades of learning about what works—and what doesn’t—when scaling specialty production. As regulations tighten and application fields diversify, our manufacturing philosophy stays constant: invest in quality, keep channels open, and never treat a run as finished until the customer is satisfied. Buyers count on those values; as the producer, we’re ready to keep delivering on that trust.