Anhui Liwei Chemical Co., Limited
Products

4-Bromoresorcinol


    • Product Name 4-Bromoresorcinol
    • Alias 1,3-Dihydroxy-4-bromobenzene
    • Einecs 202-647-6
    • 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

    459881

    Cas Number 4100-42-3
    Molecular Formula C6H5BrO2
    Molecular Weight 189.01 g/mol
    Iupac Name 4-Bromobenzene-1,3-diol
    Appearance White to off-white solid
    Melting Point 162-164 °C
    Boiling Point 373.6 °C at 760 mmHg
    Density 1.82 g/cm³
    Solubility In Water Slightly soluble
    Synonyms 4-Bromoresorcin; 1,3-Dihydroxy-4-bromobenzene
    Smiles C1=C(C=C(C=C1O)Br)O
    Storage Temperature Store at 2-8°C

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

    Packing & Storage
    Packing The 25g bottle of 4-Bromoresorcinol is supplied in a sealed amber glass container with a screw cap and safety labeling.
    Shipping 4-Bromoresorcinol is shipped in tightly sealed containers, protected from moisture and light, and in compliance with regulations for hazardous chemicals. Packaging is designed to prevent leaks and contamination. Handling and shipping must adhere to local and international laws regarding hazardous materials, ensuring safe transport and delivery to the destination.
    Storage 4-Bromoresorcinol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect it from light, moisture, and direct heat sources. Ensure storage in a designated chemical storage area, with proper chemical labeling and secondary containment to prevent leaks or spills. Use appropriate safety protocols when handling.
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    Competitive 4-Bromoresorcinol prices that fit your budget—flexible terms and customized quotes for every order.

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    Tel: +8615380400285

    Email: sales2@liwei-chem.com

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    Certification & Compliance
    More Introduction

    4-Bromoresorcinol: A Closer Look from the Manufacturer’s Bench

    Introducing 4-Bromoresorcinol and Its Role in Modern Chemistry

    Experience in chemical manufacturing creates a clear picture of what makes certain compounds emerge as the backbone of research and industry. 4-Bromoresorcinol, with its molecular formula C6H5BrO2 and CAS number 4100-42-3, stands out in the family of resorcinol derivatives due to its distinct reactivity. For decades, skilled teams have refined processes to produce this aromatic brominated compound at scale, focusing on purity and repeatability. In manufacturing, it has never been enough to simply offer a material that meets technical descriptions. The expectations from customers and regulatory bodies require more than that: they demand consistency, reliability, and transparent supply chain practices. Every kilogram of 4-Bromoresorcinol carries the results of careful process controls and multiple quality checkpoints.

    Production Realities and Attention to Purity

    Making 4-Bromoresorcinol at factory scale takes more than adding bromine to resorcinol. Handling bromination reactions safely, keeping side products at bay, and minimizing waste demand close attention. During scale-up, temperature and mixing control can make the difference between successful production and unusable batches. Batch records show that raw material quality directly reflects in each final lot we ship. Each run runs through gas chromatography, HPLC, and melting point determination to confirm the product matches tight purity specifications, with typical values exceeding 98%. Cost pressures in global markets never justify cutting corners that could allow trace contaminants, so every lot is tracked by its analytical fingerprint.

    Specifications We Live By

    Questions about specifications often come straight to the factory floor from our partners in biotech, dyes, electronic chemicals, and custom synthesis shops. 4-Bromoresorcinol consistently delivers as a white to off-white crystalline powder, with a melting point usually between 146 to 150°C. Loss on drying and heavy metal content fall below strict industry thresholds. Storage conditions, such as protection from light and moisture, get detailed not just to check boxes but to preempt unnecessary degradation which can complicate downstream reactions. By controlling particle size, manufacturers can ensure ease of handling and predictable reactivity—key aspects when chemists plan scale-up for fine chemical and pharmaceutical applications.

    Putting 4-Bromoresorcinol to Work: Real Applications

    Users in industries ranging from active pharmaceutical ingredients to advanced materials rely on the consistent behavior of our 4-Bromoresorcinol. As a halogenated phenol, it offers a valuable starting point for coupling reactions, nucleophilic substitutions, and cross-couplings that build complexity with precision. Medicinal chemists reach for this compound when they need to introduce bromine at the 4-position, allowing for subsequent functionalization or formation of biaryls via Suzuki or Buchwald–Hartwig reactions. It serves as an intermediate for synthesizing pharmacophores and specialty dyes, with the reactivity of the bromine and the activating effect of the neighboring hydroxyl groups enabling robust transformations. The fact that customers routinely return for repeat orders signals trust not only in the molecule’s pedigree but also in the manufacturing standards behind it.

    Rooted in Safety and Handling Experience

    Decades on the shop floor working with brominated aromatic chemicals have taught the team the value of routine and vigilance in handling. 4-Bromoresorcinol gives off little odor and does not produce dangerous fumes at room temperature, but direct exposure to skin or eyes always stays on the avoid list. Packaging gets selected for chemical compatibility, and drums or fiberboard kegs are clearly labeled for anyone who may be handling them in the plant or warehouse. Procedures for cleaning spills, handling residues, and managing waste streams form part of the daily rhythm, drawing on both hard-won experience and evolving regulations. Training programs keep newer employees safe and ensure that every packaging line, storage area, and shipment fulfills its function smoothly.

    Comparing with Other Resorcinol Derivatives and Halogenated Phenols

    Direct hands-on work with resorcinol, its bromo- and chloro-derivatives, and other substituted phenols has revealed where 4-Bromoresorcinol finds its competitive edge. Take plain resorcinol and even small changes in substitution patterns lead to significant changes in reactivity and suitability for certain reactions. For example, 2-bromoresorcinol and 4-bromoresorcinol carry the bromine atom in different positions, and that subtle difference determines which downstream transformations are possible. In coupling reactions, the position of the halogen often controls whether a desired biaryl product results cleanly, or whether mixtures or low yields slow down the process.

    Compared with polychlorinated phenols, this monobrominated compound offers improved selectivity and less environmental burden, given that the heavier halide content often creates unique problems during waste treatment and disposal. Thermal stability comparisons during storage and shipping have shown that 4-Bromoresorcinol maintains its integrity under conditions that cause other halogenated derivatives to discolor or degrade. Its melting point and solvent compatibility profile suit it for multi-step syntheses in pharmaceutical and specialty chemical lines where keeping side products out of the picture matters. When customers request alternatives like 4-chlororesorcinol, the decision often comes down to reactivity, cost, and environmental management, but those who select the bromo variant do so knowing that its chemistry opens doors others cannot.

    Ethics, Traceability, and the Modern Supply Chain

    Manufacturing at scale brings responsibilities that go beyond the factory fence. Practiced hands in chemical manufacturing recognize that any misstep in traceability can trigger recalls, legal scrutiny, and loss of market access. This is not a matter for auditor checklists alone—it’s core to the safety of those who handle the chemical, the communities surrounding production, and the end-users who transform the material into finished products. Each drum or bag of 4-Bromoresorcinol follows a documented journey from sourced raw materials, through each processing stage, to the onward logistics provider. This level of care reassures product stewards in customer companies and satisfies requirements under regulatory platforms such as REACH.

    Audits and third-party documentation form only part of the equation—real-world experience tells us that traceability begins with supplier selection and continues with staff training. For each supplier, diligent teams check whether their own sourcing follows the latest local and international chemical regulations, contributing to a transparent, ethical supply chain. Direct collaboration with established raw material providers, relationships built over decades, play a crucial role in keeping reliability high and risks low. Each year, reviews update procurement practices as changes in legislation or raw material availability occur. For the companies using the final product in critical synthesis steps, these upstream details affect project outcomes, regulatory filings, and ultimately market success.

    Why Consistency Means More Than Lab Reports

    End-users notice differences not captured by instrument readouts or specification sheets. In our own plant, batches of 4-Bromoresorcinol that appear spotless on paper sometimes reveal hidden reality in customer reactions or scale-up challenges. Temperature-sensitive reactions call for batches that dissolve at a predictable rate; the wrong particle size impedes mixing or creates filterability headaches. Impurities as low as 0.1% can interact with catalysts or change the color and yield in dye chemistry. From practical experience, running trial reactions and closely tracking feedback from each customer ensures feedback loops—a rare melting point reading, a crystallization anomaly—inform the next round of process tweaks.

    Longevity in manufacturing 4-Bromoresorcinol has shown the value in revisiting process steps as new customer applications crop up. A large plant project with a pharmaceutical partner prompted a tighter particle size distribution and careful moisture analysis, both of which changed the ease and yield of product isolation on their end. This back-and-forth, manufacturer to customer, continually shapes product improvement more than static internal targets ever could.

    4-Bromoresorcinol in International Commerce

    Shipping this compound across borders introduces its own challenges. Forwarders and customs authorities often inquire about regulatory compliance, and subtle discrepancies in product documentation can create delays. Decades in the business have taught teams to prepare paperwork with the same detail-oriented mindset used in batch production. Each market has its peculiarities—some seek additional certifications, others require local language on labels, or specific documentation to trace brominated compounds from source to end use.

    Overcoming import/export hurdles depends heavily on a culture of responsiveness inside manufacturing offices and warehouses. Staff who understand the requirements for declarations, safety data, and packaging options can solve problems in minutes that might otherwise grow into costly delays. Adhering to authorized transport channels for hazardous materials and providing clear documentation to each carrier and receiver ensures smooth, traceable movement from plant to laboratory or factory worldwide. Trust grows across the customer base as reliability in logistics matches reliability in chemical quality.

    Challenges and the Importance of Environmental Responsibility

    Working with halogenated phenols imposes a duty to minimize environmental impact. Process improvements over the years have targeted reductions in solvent emissions, water usage, and hazardous waste generation. Modern reactors and sophisticated waste treatment systems, once considered luxuries, now serve as the backbone of a responsible manufacturing operation. Regulators and community watchdog groups are not distant realities but active participants, occasionally touring facilities and digging into compliance records.

    Solving waste management issues takes more than installing scrubbers. Successful strategies have drawn on in-house process integration and honest supplier partnerships. In one case, switching to a bromine recovery system enabled return and re-use of a significant fraction of halogen feedstock, cutting costs and reducing offsite hazardous waste. Tracking emissions and byproducts calls for continuous investment in analytical technology—infrared monitors, online pH meters, and electronic reporting platforms keep regulators and internal auditors informed. Transparency in reporting, coupled with readiness to address concerns directly, has maintained the social license to operate.

    End-User Experiences Shaping Tomorrow’s Product

    Customer experiences spur incremental advances. Conversations with R&D chemists and process engineers have shaped the evolution of 4-Bromoresorcinol, from purity upgrades to packaging innovations. Some industry partners highlighted the way static buildup during transfer interfered with their automated systems, prompting in-house changes to antistatic liners and improved grounding protocols. Others revealed needs for bulk packaging that streamlines delivery directly to large reactors, inspiring updated drum sizes and dispensing options.

    Investigations into off-spec material handling initiated after learning that a key dye manufacturer required tighter control over trace metals than previously anticipated. The result strengthened analytical oversight and redefined internal acceptance criteria, ultimately benefitting every customer. In specialty chemicals, time saved on purification downstream reflects trust built through responsive manufacturing. Each lesson learned underpins operational culture, with knowledge gained on the line feeding back into process improvement.

    Quality, Reliability, and the Future of 4-Bromoresorcinol Manufacturing

    Investment into process chemistry, staff training, and environmental controls defines long-term leadership in specialty chemical manufacturing. Technological leaps—such as automation for materials handling, upgrades in analytics, or integration of digital record-keeping—further shrink the gap between expectation and result. Batch traceability from synthesis to delivery forms part of the ongoing commitment to transparency and accountability. As new uses for 4-Bromoresorcinol emerge in pharmaceuticals, materials science, and dye chemistry, these foundations will only grow more important.

    Direct customer dialogue, adaptability, and ethical operations mark the markers of trust in the modern chemical supply chain. Today’s demands press every manufacturer to balance scale, efficiency, and sustainability without sacrificing the quality customers have come to expect. The continued evolution of 4-Bromoresorcinol exemplifies the collaboration among production chemists, environmental engineers, shipping coordinators, and the organizations that rely on consistent, expertly crafted ingredients to drive innovation forward.