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2-Bromocatechol

    • Product Name 2-Bromocatechol
    • Alias 2,3-Dihydroxybromobenzene
    • Einecs 212-769-1
    • 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
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    Specifications

    HS Code

    930959

    Cas Number 1663-97-8
    Molecular Formula C6H5BrO2
    Molecular Weight 189.01 g/mol
    Iupac Name 2-bromobenzene-1,2-diol
    Appearance off-white to light brown solid
    Melting Point 87-90°C
    Boiling Point 315°C
    Solubility In Water slightly soluble
    Density 1.82 g/cm³
    Smiles C1=CC(=C(C=C1Br)O)O
    Synonyms 2-Bromo-1,2-dihydroxybenzene
    Pubchem Cid 192421

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

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    Application of 2-Bromocatechol

    Applications of 2-Bromocatechol in Industrial Manufacturing

    As an experienced chemical raw material manufacturer, we supply 2-Bromocatechol for highly specialized downstream markets that require reliable quality management, regulatory transparency, and consistent functional performance. Below, you will find detailed insights into its practical applications, compliance pathways, recommended formulation loading, integration points in production, and representative end-use products manufactured by leaders in each sector.

    1. Pharmaceutical Intermediate Synthesis

    2-Bromocatechol functions as a key intermediate in the synthesis of specific active pharmaceutical ingredient (API) scaffolds, notably for the preparation of catechol-based moieties in CNS and cardiovascular drug classes. Our industrial partners adopt this compound primarily due to its reactivity in Suzuki and Buchwald–Hartwig coupling reactions. The material’s purity profile conforms to API precursor standards, which ensures traceability throughout GMP-validated API process chains. Its use is targeted, entering at the step preceding molecular coupling or ring derivatization, and the final drugs exhibit high batch consistency validated by ICH Q7 guidelines.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU GMP Part II (API Manufacturing)
    • FDA 21 CFR Part 210/211 (where applicable to pharmaceutical intermediates)
    • Relevant monographs: USP/NF and Ph. Eur. (where referenced for intermediates)

    Typical usage ratio

    • Loading levels range from 0.1 molar equivalents up to 1.2 equivalents, adjusted based on target synthetic pathway yield and byproduct control protocols.

    Downstream process integration

    • Charging into coupling, alkylation, or acylation reactors post-halogenation
    • Precursor introduction before controlled deprotection or cyclization steps
    • Multi-step inline monitoring using HPLC for residual starting material quantification

    Final product types

    • Catechol-derivative APIs for neurodegenerative disorders (e.g., PD medications)
    • Intermediates for substituted benzene rings in antihypertensives
    • Active compounds for selective MAO-B inhibitors

    2. Agrochemical Active Ingredient Building Block

    The plantation crop protection industry applies 2-Bromocatechol in the synthesis of advanced fungicide and insecticide actives, where the catechol group imparts stability to the final molecule and influences active site bioavailability. This raw material enters agrochemical pilot plants at the initial benzenoid functionalization step. Fields such as rice and fruit production benefit from its inclusion in resistance management programs, particularly where next-generation phenolic actives are formulated in concentrated suspension or granule forms.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001 QMS for technical material production
    • REACH Annex VII-VIII for chemical registration in the EU
    • Chinese MIIT Management Protocol for Precursor Chemicals (where relevant)

    Typical usage ratio

    • 0.5–2.0 wt% of total batch mass, with fine-tuning based on substrate conversion data, process efficiency targets, and residue monitoring limits in final actives

    Downstream process integration

    • Initial charge for aromatic substitution reactions under controlled pH and temperature
    • Inclusion in core molecule build-up for post-coupling granulation or suspension concentration
    • Process step validated with GC-MS confirmatory analysis

    Final product types

    • Catechol-based triazole fungicides
    • Aryl ether insecticidal actives
    • Granular and SC agrochemical formulations for field application

    3. Specialty Dye Intermediate Manufacture

    Colorants and performance pigments producers use 2-Bromocatechol to achieve targeted chromophore and fastness characteristics in specialty dye synthesis, particularly in vat dyes, azo systems, and advanced disperse dyes deployed in synthetic textile finishing. Its controlled incorporation during oxidative coupling produces intermediates with defined polarity and bath stability. Customers in high-value textile supply chains rely on tight dosage controls and trace ingredient sourcing to meet product certification requirements such as OEKO-TEX and ZDHC.

    Industry compliance standards

    • OEKO-TEX Standard 100 (input chemical requirements)
    • ZDHC MRSL (Manufacturing Restricted Substances List)
    • REACH Annex XVII (dye precursor usage restrictions in the EU)
    • ISO 9001 dye manufacturing controls

    Typical usage ratio

    • Between 0.2–1.5 wt% of dye batch, adjusted relative to target chromophore content and shade intensity targets

    Downstream process integration

    • Charged at the initial reductive coupling or aromatic nucleophilic substitution step
    • Intermediate isolation prior to final condensation or finishing
    • Used in closed-loop or recirculating reactors for environmental compliance

    Final product types

    • Fastness-improved vat dyes for polyester and blended fibers
    • Azo dye intermediates for synthetic apparel
    • Specialty pigments for automotive and industrial coatings

    4. Advanced Polymer Additive Chemistry

    In the polymer sector, 2-Bromocatechol has proven application as a reactive modifier in the synthesis of high-performance polyphenylene oxide and polyether-based engineering plastics. Its ortho-hydroxy and bromo functionalities facilitate controlled radical polymerizations, introducing chain functionality and thermal stability enhancements. Polymeric materials incorporating this building block support application in electrical insulation, precision gears, and flame retardant composites; the feed is contained and carefully dosed to meet migration and extractable limits established by sector authorities.

    Industry compliance standards

    • UL 94 (Flame Retardancy in Plastics)
    • ISO 11357-1 (Thermal Characterization)
    • ROHS compliance (for electrical and electronic applications)
    • ISO 9001 / ISO 14001 for additive compounding plants

    Typical usage ratio

    • Introduced at 0.1–1.0 phr (parts per hundred resin) depending on polymer matrix compatibility and mechanical property targets (e.g., glass transition, tensile strength)

    Downstream process integration

    • Feeding via side-chain addition or masterbatch pre-mixing before extrusion
    • Monomeric inclusion at prepolymerization stage for block copolymer synthesis
    • Real-time monitoring for residual monomer trace quantification

    Final product types

    • Heat-resistant polyphenylene oxide/ether resins for electrical enclosures
    • Functional copolymers for tribological components
    • Flame-retardant plastic grades for automotive or electronics

    5. Fine Chemical Synthesis for Analytical Reagents

    The analytical laboratory supply industry relies on 2-Bromocatechol as a precursor for synthesis of chelating reagents, fluorogenic probes, and complexometric indicators. These applications require high batch purity and trace metal control suitable for trace analysis and spectrophotometry; suppliers integrate the raw material at the earliest phenolic precursor stage, enabling precision in downstream chelate geometry crucial to calibration standards and certified reference material production.

    Industry compliance standards

    • ISO/IEC 17025 (requirements for testing/calibration laboratories – chemical purity for reagents)
    • ASTM E288 (analytical reagent specifications)
    • EN ISO 8655 (requirements on pipetting and solution preparation reagents)
    • Internal GMP or GLP protocols for laboratory chemical manufacturing

    Typical usage ratio

    • Integrated at 0.05–0.5 wt% depending on the target chelating agent’s structural requirements and analytical performance validation

    Downstream process integration

    • Initial charge for ligand synthesis under controlled stoichiometry
    • Inclusion in fluorophore precursor batch with strict trace impurity monitoring
    • Batchwise reaction monitoring using NMR and MS for identity confirmation

    Final product types

    • Certified reference standards for elemental analysis
    • Complexometric indicators for titration kits
    • Custom chelating agents for water quality and heavy metal assays
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    More Introduction

    Looking Closer at 2-Bromocatechol: More Than Just Another Fine Chemical

    Understanding What Sets 2-Bromocatechol Apart

    Anyone who spends time in a lab knows how subtle changes can alter experimental outcomes. 2-Bromocatechol may look like one more small molecule on paper, but in real-world chemistry, it brings a combination of structure and reactivity that's hard to replace. Chemically, this compound takes the familiar catechol backbone and swaps one hydrogen for a bromine atom. That single switch creates a starting point for reactions that wouldn't run the same way with plain catechol or with other halogenated cousins.

    It’s easy to gloss over, but getting a pure sample of 2-Bromocatechol impacts everything from downstream yields to reproducibility. The molecular formula is simple enough: C6H5BrO2. The physical form—white to off-white crystalline powder—makes it easy to weigh and dissolve. It carries a distinctive, sometimes sharp, phenolic smell. With a melting point in the range of 94 to 98 degrees Celsius, it offers just enough thermal stability for most lab protocols without turning into a sticky mess or losing its punch at room temperature.

    Behind the Usage of 2-Bromocatechol

    The heart of 2-Bromocatechol’s value comes from its performance in synthesis. The molecule lends itself to cross-coupling and Suzuki reactions, two bread-and-butter moves for chemists chasing complex organics. During my time working on heterocyclic libraries for pharmaceutical leads, adding a bromine group provided a handle for further functionalization. Trying to use chlorocatechol in the same reaction always resulted in sluggish runs and poor conversion rates. I learned to appreciate the brominated version’s reactivity; it rarely demanded harsh conditions or required endless purification steps.

    In research labs and industry settings, 2-Bromocatechol acts like an unlocked door to more advanced molecules. Academics value its ability to spawn biaryl motifs, especially when standard catechols can’t keep up in coupling reactions. Industrial chemists lean into its selectivity, harnessing the bromine atom’s size and chemistry for intermediates in dyes, pharmaceuticals, and agrochemicals. The fact that it both absorbs and donates electrons in a predictable way opens up redox reactions that might stall with less specialized reagents.

    What Makes 2-Bromocatechol Different?

    Put 2-Bromocatechol beside other catechol derivatives, and the differences are impossible to ignore. While bromo-compounds tend to cost more than their chloro- or nitro- equivalents, they offer more bang per buck in multi-step syntheses. Less reactive halogens like chlorine don’t always deliver high yields or desired selectivity in cross-coupling. I remember troubleshooting a stubborn Suzuki reaction: swapping chloride for bromide sped things up and cleaned up the product with minimal side reactions.

    2-Bromocatechol is also less prone to air oxidation than catechol itself, which can darken and degrade over time. This makes storage and handling less stressful, especially during humid summers or in older labs without climate control. Nitro-derivatives, on the other hand, skew toward instability and possible safety issues—nobody wants to worry about runaway exotherms or unexplained transformation on the bench.

    Compared to plain catechol, brominated compounds open the door to substitutions impossible or inefficient by other means. The size and electronegativity of the bromine atom influence regioselectivity in subsequent steps, often funneling reactions down a single, preferred path. That can mean the difference between chasing after a few milligrams of product and having enough material for full-scale analysis or pilot studies.

    Quality and Reliability in the Lab

    No one wants to fight a losing battle with impure reagents. Getting 2-Bromocatechol of high quality comes down to supplier reputation and lab protocol. I’ve handled batches from both small specialty outfits and larger chemical distributors. The best samples always arrived tightly sealed, with minimal off-white coloration and little or no visible dust. Trace moisture can gum up sensitive reactions, so sticking to batches made with attention to detail matters.

    Trust in a chemical’s purity is essential, especially when projects hinge on reproducibility or tight deadlines. Labs dealing with sensitive analytical techniques or scale-up procedures can’t afford to waste time on do-overs. GC and HPLC testing confirm batch consistency, but old-fashioned, hands-on observation—how easily it dissolves, whether the expected color appears—still goes a long way. I learned not to trust digital catalogs alone; a supplier’s test data and real customer reviews often give a better sense of what to expect in practice.

    The Role of Safety and Environmental Awareness

    Handling 2-Bromocatechol isn’t without risks. Like most phenolic compounds, it can irritate the skin and eyes and poses inhalation hazards if handled carelessly. Early in my research days, labs drilled into us the need for gloves, goggles, and a fume hood—not just as box-checking, but to avoid ruined samples and possible medical problems. Accidental spills, if left untreated, could corrode metal surfaces or generate unwelcome odors that set off lab neighbors.

    Safe waste disposal also comes into play. Throwing 2-Bromocatechol down the drain risks local water contamination, especially because brominated organics don’t break down quickly in the environment. Well-run labs have documented protocols for collection, labeling, and transfer to specialized disposal services, often reviewing those rules after any near-miss or regulatory update. Any facility using this compound should look past compliance and consider the long-term impact on staff health and local ecosystems.

    Innovation Through Selective Chemistry

    Research keeps turning up new ways to exploit 2-Bromocatechol. Its unique electron-rich and electron-withdrawing features let chemists design ligand libraries or explore new drug scaffolds. In organic electronics and materials science, the compound helps build blocks for advanced polymers or complex aromatic lattices. Each new application asks for clean, reproducible results, again circling back to why batch purity and careful handling matter so much.

    The need for selective chemistry has never felt more urgent. Modern research requires tools that don’t just get the job done, but do so predictably and with minimal waste. From my experience, the switch to 2-Bromocatechol in pilot routes has often trimmed reaction times and reduced purification steps. Over the years, as sustainability and efficiency have risen on the agenda, labs favor reagents that produce fewer by-products and allow for easier downstream processing.

    Toward Smarter Procurement and Transparency

    Choosing a chemical isn’t just about price per gram. It ties directly to the reliability of each research step, the well-being of lab teams, and the footprint left behind. Transparent supply chains and thorough, honest labeling speak volumes. It pays to ask for detailed certificates of analysis, cross-check expiry dates, and even trace batch history whenever possible. While automation and bulk purchasing have changed how labs operate, the human side of procurement—real-world feedback, word-of-mouth, even a quick call to tech support—can save days of troubleshooting.

    As more young scientists step into the lab, they inherit decades of know-how built around picking the right molecule for the job. 2-Bromocatechol stands out in that crowd for its balance of reactivity, versatility, and manageable hazard profile. Training programs that encourage hands-on exploration and real-life troubleshooting—rather than just rote memorization of material safety data sheets—help cultivate the practical judgment that keeps projects moving and teams safe.

    Responsible Use and the Bigger Picture

    Science doesn’t happen in a vacuum. Each chemical helps crack nature’s code or solve real-world problems. 2-Bromocatechol supports this process, but its influence ripples out into policy, regulation, and public trust. Regulatory trends push labs toward greener, more sustainable solutions, while still demanding reliable performance. Researchers and manufacturers can work together toward safer synthesis routes for 2-Bromocatechol itself, fewer hazardous by-products, and better waste capture systems.

    As someone who’s seen projects succeed and stall based on the tiniest tweaks, I find it encouraging that more suppliers now publish production audit trails and environmental metrics alongside technical specs. These practices allow everyone in the chain—from bench chemist to purchasing manager—to make informed choices anchored in real experience, not marketing gloss or wishful thinking.

    Meeting New Challenges With Real Solutions

    One challenge around specialty chemicals like 2-Bromocatechol lies in consistent global supply. Regional disruptions—whether logistics, weather, or politics—can affect lead times and pricing. Labs that keep open communication with suppliers, compare alternate sources, and even maintain minimal standby stock can stay agile and continue their work without major interruptions.

    Another challenge has surfaced around regulatory shifts. Evolving rules on workplace safety or environmental discharges can impact the way labs handle, store, or dispose of brominated compounds. I’ve seen organizations weather these changes best by building flexibility into protocols and keeping departmental silos open. Safety officers, procurement, and scientists all benefit from staying informed about both new risks and new mitigation strategies as they arise.

    Knowledge-sharing also makes a difference. Experienced chemists can train the next generation to fine-tune reaction conditions, recognize subtle purity cues, and manage unexpected snags in real time. Workshops, online forums, and open-access publications support a culture of continuous improvement around both the uses and limitations of 2-Bromocatechol.

    What Comes Next for 2-Bromocatechol Users?

    As researchers push into more complex molecular targets, the need for specialized intermediates will only grow. 2-Bromocatechol’s role likely won’t diminish in the near term. Its structural features make it vital for synthetic strategies where flexibility and reliable reactivity are non-negotiable. At the same time, advances in green chemistry could produce cleaner synthetic routes, and alternative handling methods may reduce exposure risks.

    I’ve watched as automation enters more labs and as digital tracking of reagents becomes standard. These changes increase accountability and reduce both user error and batch-to-batch inconsistencies. Chemical traceability, once a nice-to-have, has become essential for compliance and for keeping doors open to international markets. 2-Bromocatechol will keep its utility, provided that everyone from logistics to waste management keeps pace with the changing landscape.

    Putting Trust in Every Gram

    If there’s one thing to carry forward, it’s that small molecules have big consequences. 2-Bromocatechol, with its simple appearance and wide scope, serves as a linchpin for progress in organic chemistry and beyond. Whether you’re running a first-year teaching lab or troubleshooting advanced pharmaceutical syntheses, the lessons remain the same: insist on honest sourcing, make the most of practical knowledge, and keep the broader context in mind—using every tool in the kit to work safely, efficiently, and with real-world care for the downstream effects.

    Chemicals like 2-Bromocatechol don’t just facilitate reactions; they invite creative problem-solving and open new scientific territory. Practical choices—about purity, safety, and waste—shape both personal career progress and the public face of research. Learning to read labels, understand data, and trust your hands as much as your eyes means better science and fewer headaches, every step of the way.

    Learning From Experience: The True Value of Skillful Selection

    In my own work, the difference between a project's success or failure has often hinged on choosing the right reagent. One batch of 2-Bromocatechol might look like any other, but days spent cleaning up after a poor-quality sample multiply into weeks lost on analysis, replication, and troubleshooting. Seasoned chemists know the value of a tried-and-tested supply channel, a responsive technical support team, and the willingness to swap stories about what worked—and what didn’t.

    There’s no substitute for the wisdom gained by hands-on experience. Every experiment brings its own surprise, but relying on consistently high-quality 2-Bromocatechol smooths out the path for everyone, not just chemical engineers or academic researchers. The more transparent and responsible the chemical industry becomes, the more problems get solved—faster, safer, and with long-term benefits for science and society.