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2,6-Dibromoquinone-4-Chloroimide

    • Product Name 2,6-Dibromoquinone-4-Chloroimide
    • Alias bromanil green
    • Einecs 215-791-7
    • 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

    945895

    Chemicalname 2,6-Dibromoquinone-4-Chloroimide
    Molecularformula C6H2Br2ClNO
    Molecularweight 315.35 g/mol
    Casnumber 511-28-4
    Appearance Yellow to orange powder
    Meltingpoint 196-199°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Boilingpoint Decomposes before boiling
    Purity Typically ≥98%
    Storageconditions Store in a cool, dry place away from light
    Hazardstatements Irritant, handle with care

    As an accredited 2,6-Dibromoquinone-4-Chloroimide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 2,6-Dibromoquinone-4-Chloroimide, 5g, is supplied in a sealed amber glass bottle with a tamper-proof cap and warning label.
    Shipping 2,6-Dibromoquinone-4-Chloroimide is shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. The packaging complies with hazardous material regulations, typically using amber glass bottles and cushioning materials to prevent leaks or breakage. Proper labeling ensures safe handling and identification during transit. Temperature and safety guidelines are strictly followed.
    Storage 2,6-Dibromoquinone-4-chloroimide should be stored in a tightly sealed container, away from light and moisture. Keep it in a cool, dry, well-ventilated area, separate from incompatible substances such as strong acids, bases, and oxidizers. Ensure proper labeling and restrict access to trained personnel. Personal protective equipment should be used when handling to avoid skin or eye contact.
    Application of 2,6-Dibromoquinone-4-Chloroimide

    Applications of 2,6-Dibromoquinone-4-Chloroimide in Industrial Manufacturing

    2,6-Dibromoquinone-4-chloroimide is a specialized reagent used in demanding chemical synthesis, molecular diagnostics, and advanced material development. Below, our technical team details key industrial sectors and real-world downstream applications where this material finds regular, regulated usage.

    1. Analytical Reagent for Protein and Amino Acid Quantification (Ninhydrin Derivative Chemistry)

    This compound serves extensively as an analytical reagent in biochemistry laboratories and industrial quality control for protein and free amino acid determination. It reacts with primary and secondary amines under controlled conditions, forming colored complexes for photometric or spot analysis. The controlled reaction supports trace-level detection required for pharmaceutical, food, and feed manufacturing QC. Process safety, operator protection, and test reliability require adherence to established analytical standards.

    Industry compliance standards

    • ISO 17025 accreditation for analytical laboratories
    • USP <791> and <1058> for lab instrumentation in pharmaceutical testing
    • FDA 21 CFR 211 for pharmaceutical QC environments
    • EU Food Additives Regulation (EC) No 1333/2008 for food-related analysis

    Typical usage ratio

    • Commonly 0.05–0.1% w/v in coloring reagents; adjusted based on sample matrix absorption and method LOQs
    • Protocol optimization by target analyte concentration and required detection sensitivity

    Downstream process integration

    • Preparation of working solutions incorporated as chromogenic agents in automated analyzers and manual spot kits
    • Direct addition to protein hydrolysates or complex sample digests pre-assay
    • Use during in-process and final lot release testing in pharmaceutical and food production
    • QC validation for raw materials acceptance, batch consistency, and released goods monitoring

    Final product types

    • Commercial amino acid analyzers and detection kits
    • Finished pharmaceuticals cleared by QC for protein/peptide content
    • Food and nutraceuticals verified by amino acid profile
    • Veterinary feed additives validated for protein and amino acid compliance

    2. Synthesis Intermediate for Advanced Dyes and Pigments

    This raw material provides key reactivity in synthesis pathways for specialty dyes, especially as an imine source or reactive coupling agent in the coloration industry. Industrial pigment developers use this compound in complexation or derivatization steps to enhance color intensity, stability, and substrate binding for performance inks and textiles. Its halogenated quinone structure introduces stability under UV and thermal exposure, demanded by regulation-compliant textile and printing processes.

    Industry compliance standards

    • Oeko-Tex Standard 100 for textile chemical safety
    • REACH Regulation (EC) No 1907/2006 for synthetic dye substances
    • ISO 105-A02 (textile color fastness to light and washing)
    • GMP for ink manufacturing (ISO 22716 where applicable)

    Typical usage ratio

    • 0.1–3.5% relative to main substrate in dye precursor syntheses
    • Adjusted by molecular design, intended color depth, and final performance property targets

    Downstream process integration

    • Reagent addition during multi-stage condensation or substitution reactions under inert atmosphere
    • Integrated in closed-loop reactors with phase and temperature control to prevent degradation
    • Terminal purification and stabilization prior to blending in standard pigment pastes
    • Ensuring batch traceability and compliance pre-dispatch to dye houses or ink formulators

    Final product types

    • High-performance textile dyes for synthetic and natural fibers
    • Pigmented masterbatches for technical plastics
    • Industrial and specialty printing inks (solvent, water-based, UV-curable)
    • Optically active pigments for security and anti-counterfeiting applications

    3. Chemical Indicator for Analytical and Diagnostic Test Kits

    Pharmaceutical and clinical laboratories require fast-acting, sensitive indicators for diagnostic test solutions and rapid kits. This molecule acts as a chromogenic indicator reagent for qualitative and semi-quantitative colorimetric assays. Test kit manufacturers use it in buffer-stabilized formats for high-throughput diagnostics and water testing. Production lines focus on consistent hue formation, batch reproducibility, and compliance with health and safety certification.

    Industry compliance standards

    • ISO 13485 for medical diagnostic device manufacturing
    • EU IVD Regulation (EU) 2017/746 for in-vitro diagnostics
    • CLSI (Clinical Laboratory Standards Institute) testing protocol requirements
    • FDA Medical Device Good Manufacturing Practice (21 CFR 820)

    Typical usage ratio

    • 0.01–0.2% w/v in aqueous or buffered diagnostic formulations
    • Control based on target analyte, required detection range, and shelf-stability considerations

    Downstream process integration

    • Dissolved directly into stabilized reagent mixtures during bulk in-vitro kit assembly
    • Metered dosing into colorimetric reagent pads, lateral flow devices, or strip test platforms
    • Subject to finished kit QC for color endpoint reliability, reproducibility, and contamination absence
    • Packing under controlled atmospheric conditions to maintain sensitivity until end-use

    Final product types

    • Clinical diagnostic kits for urine amino acids and creatinine testing
    • On-site water and food contaminant detection kits
    • Industrial test strips for environmental monitoring
    • Research-use reagents for academic and contract testing labs

    4. Synthetic Building Block for Pharmaceutical Research and Discovery

    Research chemists and pharmaceutical developers value this compound as a reactive intermediate in lead molecule synthesis and structure-activity relationship studies. The bromine and chlorine substitutions facilitate nucleophilic aromatic substitution and Suzuki-type coupling, producing tailored heterocyclic scaffolds for medicinal chemistry workflows. Controlled multi-step reactions on pilot and lab scales enable exploration of new small molecule drug candidates.

    Industry compliance standards

    • ICH Q7 for GMP in active pharmaceutical ingredient (API) manufacturing
    • Good Laboratory Practice (GLP) for research and preclinical synthesis (21 CFR 58, OECD)
    • Safety Data Sheet (SDS)/Hazard labelling according to GHS
    • Documentation control per USP <21> and European Pharmacopoeia procedures during scale-up

    Typical usage ratio

    • 1–8 mole% as building block or reactant in 1–3 steps of target molecule synthesis
    • Stoichiometry set by route scouting and target pharmacophore design

    Downstream process integration

    • Introduction at aromatic substitution, Suzuki coupling, or condensation stages in API route scouting
    • Reaction optimization for selectivity, purity, and yield using automated small-batch reactors
    • Purification by chromatography or crystallization for analytical characterization of intermediates
    • Final compound submission to pharmacological or toxicological screening pipelines

    Final product types

    • Small molecule API candidates in oncology, CNS, and anti-infective research
    • Pharmaceutical intermediates for patent and structure-activity studies
    • Reference standards and analytical probes for medicinal chemistry
    • Lead molecules supplied for preclinical contract research synthesis
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    Certification & Compliance
    More Introduction

    Direct Insights on 2,6-Dibromoquinone-4-Chloroimide: The Chemist’s View

    Introducing 2,6-Dibromoquinone-4-Chloroimide—Product Perspective from the Source

    Working as a chemical manufacturer brings a vantage point. We see chemicals not as abstract formulas or catalogue entries, but as tools shaped by real-world users and laboratory demands. 2,6-Dibromoquinone-4-chloroimide, better known to many analytical chemists as a core chromogenic reagent, has catalog model DBQCI-2024 in our production line. Over years on the plant floor, our technicians and QC analysts have watched this reagent move from reaction kettle to packaging, always with the careful hands of someone who knows how critical purity and batch consistency remain for research teams and industrial labs worldwide.

    Seeing the Chemical Beyond the Label

    Molecular weight and CAS numbers fill up countless technical sheets. In our factory, the day starts with practical questions: How do the grains flow? How does moisture impact shelf-stability? What does a technician see when a fresh batch comes off the dryer? 2,6-Dibromoquinone-4-chloroimide forms faint yellow-orange crystals when finished correctly, and appearance matters—off-color powder means lost purity, or worse, missed reactions on the downstream side. Our stainless reactors operate under controlled temperature profiles, tuned further after numerous trials to limit byproducts, as even minor decomposition causes headaches when users are pushing sensitivity in detection.

    Chemists in our QC lab spend many a week optimizing for melt point repeatability, finding the sweet spot that proves a clean batch. They develop HPLC and GC fingerprints specific for this compound, not relying on external labs. Bottles that leave our line reflect the careful handling required, and that dedication has earned nods from returning research customers who must hit consistent colorimetric endpoints.

    Where Experience Meets Application—Why Specification Matters

    In our experience, applications for this reagent center on its bold reactivity with phenolic compounds, including the well-documented "Gibbs reaction" for colorimetric detection. End-users often reach out with a goal in mind—a faint blue color development to indicate phenol traces, clarity in trace-level amine detection, or even a stark color change for antioxidant screening. Our product DBQCI-2024, made for 99+% purity, ensures the desired results appear sharply with minimal background interference in spectrophotometric work. Contaminants anywhere in the crystalline structure, even below 1%, can throw off color gradients or UV-Vis readouts, especially at micromolar sample concentrations.

    Pack sizes get discussed as often as purity. A kilo lot may be right for large diagnostic kit makers, but small-batch precision preps suit academic and R&D labs where shelf life becomes a concern. We've learned to offer both, packaging under inert atmosphere to forestall hydrolysis or unwanted oxidation, based on feedback from researchers who once found clumped, oxidized product from a lesser source.

    The Details: Model and Handling

    Our DBQCI-2024 carries a specification range built from years of direct analytical testing. HPLC purity exceeds 99%, and our water content by Karl Fischer routinely checks below 0.2%. Each batch leaves with clearly documented UV-Vis absorption characteristics, not as a box-ticking matter, but because our own lab chemists reference these in their screening runs. We source raw halogenated aromatics with strict supplier auditing, as raw material variability shows up quickly in the color and stability of the finished product.

    We never coat or blend the product with carrier materials unless specifically requested by a customer for a downstream blend. There’s something to be said for simpler formulations. This simple, direct product philosophy comes from long experience with labs that report back—less is more, especially in highly specific color-forming reagents. Clean, sharp melting crystals, free of glassware fragments or dust, prove the control at every drying, sieving, and filling step.

    Direct Experience with Market Differences and Customer Frustrations

    Colleagues in industry often ask about the flood of cheaper alternatives from traders or general reagent suppliers. We've tested several comparator lots over the years. Lower-priced material usually brings a visible cost—dull coloration, granules contaminated with polymeric residues, or an uncharacteristic odor. Sometimes those show up as sticky, hygroscopic chunks, worsening with time. For those who measure batch performance by GC-MS or NMR, the signature impurities stand out.

    Reagents that look similar can behave quite differently in analytical testing. We've helped customers interpret strange baseline drift or off-peak absorbance by tracing the problem back to an inferior batch sourced from an outside trader. Those experiences drive us to maintain strict protocols, not only in upstream syntheses but also in post-synthesis handling—right down to redrying batches after long logistics delays.

    Our crew knows the headaches that arise from switching suppliers. Academic groups handling sensitive colorimetric assays depend on stability in every property from batch to batch. Over time, collaborations have formed simply because a group lost weeks of sample analysis to a poorly tested product, and turned to us for both material and application advice.

    Uses Rooted in Analytical Chemistry

    Day to day, the practical applications of 2,6-dibromoquinone-4-chloroimide aren't just buried in protocol books—they turn up in every QC lab that screens water, tests for phenols in industrial wastes, or verifies antioxidants in food additives and lipids. This compound triggers a fast blue or purple reaction once it meets its intended analyte, often phenolic or sulfonamide functional groups.

    Clients use these color reactions to rapidly read sample purity, and we calibrate our batch specifications to maximize this performance. Our technical staff consults on buffer selection, solvent compatibility, and safe handling. Trace impurities, especially halogenated byproducts, spike background noise or smear chromophore development, so our relentless batch-to-batch consistency helps keep customer test results meaningful.

    In research and pharma, the colorimetric endpoint provided by 2,6-dibromoquinone-4-chloroimide streamlines screening for new active molecules. Microbial labs have adapted it for antimicrobial studies. Biotech companies further depend on its power to flag fingerprint contaminants during protein purification—little details that seem trivial until a single missed test sets an entire project back. By controlling every kilo from synthesis to filling, we shield users from such unknowns. We’ve consulted for companies scaling up from pilot batch to commercial runs, adjusting synthesis and drying protocols to keep analytical pathways clean.

    Differentiation—What Sets Us Apart

    From our own experience in chemical manufacturing, we see marked distinctions between properly manufactured 2,6-dibromoquinone-4-chloroimide and lookalikes from brokers or contract repackers. It starts with raw inputs: we audit each halogen and quinone supplier for consistent assay grade, rejecting entire shipments for anomalies. In contrast, intermediaries often pool materials that introduce subtle but serious lot-to-lot variability.

    We run every batch through both classic chemical tests and advanced chromatographic profiling. Melting point, water content, spectroscopic identity—these analyses don’t occur once or twice, but during every logged run. This allows any chemist, whether in our plant or at a customer site, to track and trust material identification on each incoming bottle.

    Shipping and storage methods complete the chain of confidence. Oxygen, temperature swings, and moisture degrade this reagent, so the way it’s packed counts as much as its original synthesis. Our team double-seals bottles under inert gas, even for small-lot deliveries. We've heard too many stories from labs struggling with self-polymerized, useless product due to loose bottle caps or late-stage repacking by a reseller. None of that happens here.

    Technical support goes hand-in-hand with manufacturing rigor. We field plenty of calls from users who think a reaction has failed, only to find that a simple tweak—often to pH or solvent selection—brings out the crisp color response expected from a pure DBQCI-2024 batch. This reflects hard-earned knowledge, not templated advice, and our senior chemists share their troubleshooting notes for new applications.

    Consistency as a Linchpin for Reliable Results

    Quality in specialty chemicals gets tested at the bench. We've seen the difference in a thousand customer QC reports over the years. Internal benchmarking with industrial clients compares dozens of lots on color pickup, background absorbance, and phenol detection limit. Slight differences in dry storage versus vacuum-packed product reveal which protocols improve real-world handling.

    A lesson learned through decades in production: batch notes must match the material, every time, not just when an inspector comes by. Our record-keeping lives up to regulatory scrutiny, but more importantly, that rigor keeps our customers' confidence high. Several research groups have returned to us after failed experiments elsewhere, and we've traced issues to a contamination spike in a third-party bottle—a missed wash cycle, leftover solvents, or simply exposure to light during transport. Keeping control from synthesis to shipping changes the end user's day-to-day outcome.

    Addressing Issues—Lessons from Production and Application

    Many of our operational tweaks came out of actual challenges. Early batches suffered from product caking during humid summer months. Real-world customer complaints triggered installation of new drying ovens and inert-atmosphere filling lines. Stabilizing agents once considered for shelf-life improvement only added unnecessary variables, so we abandoned them in favor of stricter environmental controls at every step.

    Our methods for keeping high purity evolved as we watched subtle impurity trends show up in mass spectrometry of tired glassware. We replaced kettle linings, invested in new cleaning protocols, and tracked byproduct signatures with each process change. No textbook details the impact of old seals on a chlorination line, but our downtime journals capture these mishaps, helping us build more robust procedures.

    Sometimes innovation comes from direct customer feedback. Diagnostics developers pointed out interference from plastic linings in conventional bottles, leading us to source glass options for all batches above 100g. Pharmaceutical partners, relying on accurate quantitation, requested lot documentation including process diagrams—a simple change for us, but invaluable downstream.

    Supporting Researchers—More Than Just a Bottle

    Our commitment doesn’t end at the warehouse door. As in-house chemists, we know research doesn’t always follow a nine-to-five schedule. Questions about interference, storage, or even alternative detection methods often spill into late hours. We send out technical bulletins and practical support documents based on queries from university and biotech partners, referencing not just regulatory language but hands-on test results from our own lab. Every new suggestion, every troubleshooting exchange, helps us hone protocols and inform future customers.

    Stability data for 2,6-dibromoquinone-4-chloroimide gets updated annually, factoring in real shelf conditions encountered worldwide—from humid Asian summers to cold European transports. Our logistics crew learned to plan buffer stocks for sea freight, cutting temperature spikes in transit, after a hot summer shipment once degraded a batch en route. That single lost lot led to new insulated packaging practices, benefiting every subsequent customer.

    Comparisons—The Hidden Costs of Low-Grade Sources

    Many labs, pinched by shrinking budgets, have tried switching to lower-cost suppliers. We understand. In field reports, this material doesn't always fail outright—it simply stops delivering sharp, reliable endpoints. Unmarked interference peaks, dull color response, or even batch-to-batch drift upset tightly controlled analyses. When problems surface, clients often analyze both original and substitute side-by-side. Here’s where our own continuing analytical records come to the rescue—documented absorbance values, baseline tests, and head-to-head verification.

    Short-term savings quickly vanish if results become ambiguous or false negatives creep in. These troubles rarely surface on a simple color match or visual test, but appear through day-to-day struggles: extended troubleshooting, repeated runs, recalibration of analytical instruments. One multinational pharma lab recounted a three-week project halt after a single lot of questionable 2,6-dibromoquinone-4-chloroimide forced retesting of every quality control sample. That episode sharpened our own resolve to tighten each incoming and outgoing check.

    Our role as a manufacturer means we answer not to quarterly quotas, but to chemists at the bench—those making split-second calls on the reliability of every reagent, every shift. That accountability keeps us pushing for cleaner syntheses, better monitoring, and honest dialogue about limitations and best-use practices for this highly specific compound.

    Ongoing Improvement—Continuous Adaptation from Manufacturer Insights

    Every production year brings new lessons. Changes in environmental regulation meant retooling our halogen-handling systems and developing less waste-intensive workup procedures. These operational shifts matter: longer reactor lifespans, fewer bottleneck stoppages, and cleaner outputs for products like 2,6-dibromoquinone-4-chloroimide. Our production crews track these changes, aligning both process economics and product purity.

    Research into greener synthesis features heavily in our development pipeline. Current work investigates alternative oxidants and solvent systems, reducing dependence on problematic halogenated waste streams without diminishing the colorimetric properties end users value most. Open collaboration with university partners speeds these upgrades, as joint projects road-test every tweak using the latest application protocols.

    Safety also remains a core motivator. While our in-house training keeps handling risks low, we regularly update MSDS paperwork, not just for compliance but for the safety of small-lab users who may not have industrial-grade safety systems. Providing clear, scenario-driven handling guidelines has made a real difference for academic teaching labs, clinical centers, and even startup incubators exploring rapid diagnostic screening with our reagent.

    Solutions to Repeated Industry Troubles

    The challenges facing buyers and users of specialty chromogenic reagents remain intense. Analytical failures traceable to poor-quality intermediates cost time, trust, and research progress. As the direct manufacturer, we face these realities firsthand, shaping every batch, shipment, and support call accordingly.

    Solutions rarely come from generic fixes. We believe in direct, ongoing engagement with customer labs. Testing for performance with each incoming raw material, re-verifying output against strict internal benchmarks, and adapting to external trends in chemistry and regulation guarantee long-term trust for the users who count on our product. Practical measures, such as continuous operator training, real-time monitoring of filling stations, and carefully staged packaging, all play their roles in minimizing end-user frustration.

    By always tracing feedback from the lab bench, we design not just for compliance, but for hands-on utility. The same attention that created unitized, glove-friendly bottle labels carries through to our technical support culture—genuine chemists answering urgent email queries or collaborating through shared troubleshooting logs.

    Why the Manufacturer’s Approach Makes a Difference

    Distribution chains, resellers, and chemical traders have their place in the larger supply ecosystem. But the knowledge born of actual, hands-on synthesis and packaging lends a level of control that third-party handlers lack. Our understanding evolves with both advances in process engineering and daily exposure to customer challenges, fostering an environment where quality, predictability, and technical partnership go hand-in-hand.

    As the original manufacturer, our commitments extend beyond the invoice. Our respect for the power and precision of 2,6-dibromoquinone-4-chloroimide comes from years immersed in its quirks, strengths, and pitfalls. We maintain open channels for feedback precisely because innovation doesn’t exist in a vacuum. Each bottle reflects not generic batchwork, but a history of effort, adaptation, and technician pride.

    This is chemical manufacturing—real chemistry, in the real world. The end result benefits every lab, every assay, and every researcher seeking clarity from a simple, reliable color change.