Anhui Liwei Chemical Co., Limited
Products

Phenol, 2,4-Dibromo-


    • Product Name Phenol, 2,4-Dibromo-
    • Alias 2,4-Dibromophenol
    • Einecs 202-355-7
    • 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

    224927

    Chemicalname Phenol, 2,4-Dibromo-
    Casnumber 615-58-7
    Molecularformula C6H4Br2O
    Molecularweight 267.90
    Appearance White to pale yellow crystals
    Meltingpoint 36-40 °C
    Boilingpoint 238 °C
    Density 2.16 g/cm3
    Solubilityinwater Slightly soluble
    Refractiveindex 1.637
    Flashpoint 110 °C
    Synonyms 2,4-Dibromophenol
    Smiles C1=CC(=C(C=C1Br)O)Br
    Inchikey SZQHMABQVWYGEN-UHFFFAOYSA-N

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

    Packing & Storage
    Packing Phenol, 2,4-Dibromo–Packaged in a 100g amber glass bottle with hazard labeling, screw cap, and tamper-evident seal for safe handling.
    Shipping Phenol, 2,4-Dibromo-, should be shipped in tightly sealed containers, protected from light and moisture. Use appropriate labeling for hazardous chemicals and ensure containers are placed in sturdy outer packaging. Ship according to local and international regulations for hazardous materials, including appropriate handling precautions and documentation for chemical transport.
    Storage Phenol, 2,4-Dibromo- should be stored in a tightly closed container within a cool, dry, and well-ventilated area away from direct sunlight and incompatible substances such as strong oxidizers and bases. The storage area should be free from moisture and sources of ignition. Proper chemical labeling and secondary containment are recommended to prevent leaks or accidental exposure.
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    Certification & Compliance
    More Introduction

    Phenol, 2,4-Dibromo-: Our Perspective as the Manufacturer

    Introduction

    Phenol, 2,4-dibromo- often becomes a talking point inside our facilities because of how central it is to a variety of niche chemical applications. Over the years, we have refined our production lines and consistently reshaped our approach to maintain high purity levels and tight consistency. Our staff has watched demand ebb and flow, but the questions about specification, usage, and the nature of this compound remain steady among clients and researchers.

    The Core of Phenol, 2,4-Dibromo- Production

    Years of direct manufacturing experience have taught us the unforgiving nature of halogenated phenols in industrial synthesis. Phenol, 2,4-dibromo-—by its chemical structure and behavior—requires careful handling at each stage, especially since bromine’s reactivity shapes both safety protocols and process parameters. Unlike more common monohalogenated phenols that customers sometimes mistake for alternatives, our team recognizes the measured approach necessary for 2,4-dibromo- derivatives due to their distinctive reactivity profile.

    Chemists at our plant have worked hands-on with this molecule, continuously checking for the classic pale solid appearance, slightly pungent aroma, and distinct melting point characteristics which can shift when even micro-impurities are present. Discussions about specification happen almost daily: batch purity targets (often above 98%), moisture content control, meticulous packaging, and careful transportation. We’ve learned that minute shifts in process parameters can result in off-spec products that simply do not meet the needs of discerning users in highly controlled research or specialty chemical manufacturing.

    Specifications and Quality Control

    We measure success by more than just output tonnage, since end users, particularly fellow chemists, expect a product that responds predictably in their processes. Each of our production cycles begins with a deep dive into raw material selection, as even small impurities in input phenols or bromination reagents risk amplifying downstream. The staff watches over precise bromine addition, keeping temperature and reaction time within established process windows drawn from years of piloting batches and scaling up. Post-reaction purification uses a combination of distillation and recrystallization—techniques that every member of our team knows by smell, sight, and practice, supported by batch-by-batch GC and HPLC confirmation.

    We never separate the technical characteristics of 2,4-dibromophenol from the realities of the laboratory. Analytical chemists verify product composition, while production supervisors debate oven temperatures and drying times every shift, ensuring consistent color and granularity. Storage never takes a back seat; we learned early that exposure to excess humidity or sunlight risks hydrolysis and color changes, and nobody in our plant wants to field quality complaints resulting from storage oversights.

    Differentiating from Other Phenolic Compounds

    Being a manufacturer, we often get feedback from longtime customers about confusion with other similar-sounding products, most often monochloro- or monobromo-phenols. The 2,4-dibromo- derivative steps away from these by combining bromine atoms in unique ring positions, altering both physical and reactive properties. Its melting and boiling points differ from single-halogen compounds and those with meta- or ortho- substituents.

    Applications in specialty syntheses or as intermediates in pharmaceuticals demand a precise substitution pattern. The double bromine substitution at the 2 and 4 positions brings selective reactivity for further synthetic transformations, something we condensed from years of tracking how our product performs in end-user pilot studies. Process developers in our buyer’s labs report different yields and byproduct levels when substituting phenol, 2,4-dibromo- for mono- or tribromo analogs, no matter how similar their names might appear on a purchase order.

    We do not treat this compound as a simple drop-in swap for other halophenols. While trihalogenated phenols sometimes offer greater reactivity or biocidal potency, they often bring regulatory complexity or introduce higher toxicity risks in certain customer applications. We've learned, hearing directly from formulation leads and process chemists, that 2,4-dibromo-phenol hits a sweet spot between reactivity and selectivity, opening specific synthetic doors without creating runaway side reactions.

    Industrial and Pharmaceutical Usage

    Our direct conversations with chemists in pharmaceutical pilot plants, polymer labs, and agrochemical research groups reveal why many return to 2,4-dibromophenol despite the myriad of other available phenolic compounds. In synthesis, its predictability matters, offering a straightforward brominated scaffold for stepwise or selective further modification. This has made it a staple in the synthesis of certain dyes, flame retardants, and advanced intermediates for APIs where both halogen density and position dictate downstream success.

    Our plant gets regular updates about industry trends: a particular pharmaceutical project may stall if supplies of a rare intermediate like 2,4-dibromo-phenol dip, and the blame sometimes lands partly on inconsistency from upstream suppliers. Our quality teams remember the urgency in a customer’s voice when delays could mean weeks lost in a project, or the launch of a new synthesis route for a specialty pigment. We’ve learned not to underestimate the real-world costs of requalification if out-of-spec material disrupts production on the client’s side.

    Users outside heavy industry—researchers synthesizing fine chemicals or environmental scientists analyzing biocides—often make their purchasing decisions based on how our compound has been handled. Our technical staff fields questions about potential trace impurities: heavy metals, unreacted phenols, or solvent residues. The long conversations between our staff and theirs have prompted constant process improvements, downstream buffer storage, and lot traceability far beyond what’s strictly necessary for general commodity chemicals.

    Process Improvements and Safety Insights

    One of the realities of manufacturing halogenated phenols: safety rules shape every step. Staff at our site have learned hard lessons with bromine compounds, and our incident logs tell clear stories. Overpressures, poor ventilation, and improper temperature control can cause bigger problems than lost yield. From the shop floor to the head office, no one in our business underestimates the importance of ongoing hazard reviews, closed-loop solvent returns, and rigorous fume capture systems.

    The physical demands of handling 2,4-dibromophenol echo through operator routines—protective clothing, mask checks, ongoing monitoring of process offgassing. Our investment in reliable scrubber systems and localized extraction isn’t theoretical; every shift exposes staff to potential risks unless controls function perfectly. Solvent selection, cleaning, and bulk transfer routines remain fresh topics in team meetings. After years of incremental improvements—encapsulated conveyance, automated dosing, digital process logging—the frequency of product contamination drops and staff safety rises.

    Many improvements have come from our front-line workers—the plant operators who can spot a subtle shift in color or a strange odor before monitors pick it up. We’ve learned not to ignore hands-on feedback, folding operator insight back into process protocols and training. The stability of finished product, starting with careful neutralization and progressing through double-checks on pH and organic residue, owes more to operator diligence than to any single piece of automation.

    Market Volatility and the Regulatory Landscape

    In the chemical world, markets for specialty intermediates such as 2,4-dibromophenol never really stay quiet. Sourcing bromine itself swings on global factors—raw material shortages, regulatory shifts, cross-border shipping delays. As a direct producer, any turbulence gets felt on our side long before showing up in customer price lists. Our purchasing and scheduling staff keep a close eye on every notice about restricted substances and tracking requirements, as regulatory agencies remain vigilant around halogenated organics’ use and discharge.

    Sometimes, clients believe tighter regulations mean quick loss of supply, but we’ve learned that careful design of internal controls makes continued compliant production possible. This means active engagement with authorities, ongoing review of including and excluding substances in regulatory lists, and careful batch record retention. The balance between open exchange with external auditors and the need to protect confidential process information guides our documentation in each phase. No batch gets released without traceable paperwork, whether it ships to a national lab or a large pharmaceutical concern.

    We temper the pressure from volatility by holding buffered stocks and working with stable logistics partners. Spot shortages do occur, forcing tough choices: prioritizing shipments for ongoing clinical projects or critical synthetic research. Our long-term agreements keep some wild price swings at bay, but never eliminate the need for quick reaction when sudden demand spikes or route disruptions hit.

    Environmental Responsibility

    We understand that the story of any halogenated phenol, especially one so closely scrutinized, includes its environmental footprint. Decades ago, many chemical facilities focused only on yield, but the tide has shifted for everyone. Regular audits of our effluent and waste streams drive continual updates to capture and disposal methods.

    The waste streams from bromination reactions, if handled carelessly, pose a real hazard—not only to plant personnel but also to the broader environment. Our internal investments have shifted toward closed systems for reaction handling and solvent recovery, and away from open draining or dilute venting. On-site lab teams test process water for both total organic halogen content and specific residuals before waste treatment or off-site disposal. We believe production must never come at the expense of our communities or the aquatic life nearby.

    We’ve heard from downstream users—dye houses, polymer developers—about growing interest in greener chemistries. While the production of 2,4-dibromophenol will always require certain core feedstocks, we have worked with engineers and researchers to develop bromine recapture and recycle loops wherever feasible. Any upgrade that lowers our total halogen use or risk of fugitive emissions garners full review, as the reputational risk of falling behind on environment standards ultimately outweighs any short-term gain.

    The Human Factor: People Behind the Chemistry

    Walking through our production hall, seasoned operators handle 2,4-dibromophenol as both a tool and a challenge. They know which early warning signs in a reaction batch might signal a downstream yield issue or color fault. Quality assurance staff, after years bent over analytical chromatograms, recognize subtle impurity peaks that would get flagged in downstream fine chemical syntheses.

    Every batch that leaves our site embodies both mechanical consistency and the institutional memory of thousands of cumulative production runs. New staff learn from veterans—the confidence to halt a fill if packaging shows the faintest sign of exposure, the meticulous care in verifying purity before greenlighting shipment, the checking of storage logs even after a product ships. Customer feedback, especially detailed process notes from synthetic chemists, pushes us to refine trace impurity controls and rethink cleaning procedures at every stage.

    Plant management sets the tone, but everyday staff set quality. Anyone who works with halogenated aromatics learns quickly that short-term cost savings never justify slip-ups that can lead to subpar product or, worse, personnel exposure. Cross-training, regular safety reviews, and daily plant walk-throughs engrain these priorities in the company culture. It is something we reinforce from onboarding until retirement, with the understanding that chemical safety and product reliability align at every step.

    Future Developments and Continuous Improvement

    Our experience tells us that every chemical market evolves, and the tools available for both analysis and synthesis get sharper over time. We track customer inquiries closely: an uptick in requests for even higher purity grades, specialized particle sizes, or custom packaging formats reflects the direction that end users are moving. We’ve responded, sometimes with small process tweaks and other times with full-scale plant retrofits, in order to better serve new applications or regulatory thresholds.

    Our investment in analytical instrumentation—more sensitive gas chromatographs, LC-MS tools—has enabled us to detect and reduce trace impurities that older equipment could not register. This directly benefits clients, who report reduced side reactions and better performance in downstream syntheses as a result. On the shop floor, we continue to look for smart automation options. Bulk transfer controls, closed-system batch charging, and error-proofing steps help isolate personnel while streamlining production.

    We stay receptive to feedback from researchers looking to push the envelope in new chemical spaces. Input from biopolymer chemists, pharmaceutical developers, and specialty co-formulators often prompts us to run pilot batches or alter reaction parameters, seeing how the product performs in nontraditional applications. This push toward continual improvement is not just a matter of pride, but a recognition that each new demand—tighter specs, greater supply chain transparency, reduced environmental loading—offers a chance to raise the bar for both company and industry.

    Summing Up the Place of Phenol, 2,4-Dibromo- in Today’s Chemical Landscape

    The story of phenol, 2,4-dibromo- cannot be written by simply rattling off a list of technical specifications or model numbers. What matters more—and what defines its place at our facility—are the hard lessons learned through actual production, the hands-on troubleshooting, the collaborations with customers who push for ever higher batch-to-batch consistency, tighter regulatory compliance, and more open dialogue about safety and environmental impact.

    Every drum and container reflects not just a chemical formula, but a support system of dedicated professionals, years of technical refinement, and real partnerships with scientists who count on predictable quality. The small victories—a lower contaminant threshold, a smarter solvent recycling setup, a product delivered on time for a critical launch—stand as testament to what goes on behind the scenes in the manufacturing of phenol, 2,4-dibromo-.

    Our approach will continue to evolve, driven by new regulatory benchmarks, higher analytical precision, and feedback from those working at the sharp end of chemical innovation. Through it all, the voice of experience—built on daily hands-on practice and industry scrutiny—remains our best guide as a chemical manufacturer.