Anhui Liwei Chemical Co., Limited
Products

Phenol, 4-Bromo-


    • Product Name Phenol, 4-Bromo-
    • Alias p-Bromophenol
    • Einecs 202-163-5
    • 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

    395943

    Chemical Name Phenol, 4-Bromo-
    Synonyms 4-Bromophenol
    Cas Number 106-41-2
    Molecular Formula C6H5BrO
    Molecular Weight 173.01 g/mol
    Appearance White to off-white crystalline solid
    Melting Point 63-65°C
    Boiling Point 238-241°C
    Density 1.72 g/cm³
    Solubility In Water 4.4 g/L (at 20°C)
    Flash Point 113°C
    Odor Phenolic
    Refractive Index 1.589

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

    Packing & Storage
    Packing Phenol, 4-Bromo-, 100g, is packaged in a sealed amber glass bottle with a tamper-evident cap and clear labeling, ensuring safety.
    Shipping Phenol, 4-Bromo- (CAS 106-41-2) should be shipped in tightly sealed containers, protected from light and moisture. Classified as a hazardous substance, it requires labeling according to regulations. Transport in compliance with local, national, and international regulations for hazardous chemicals, and ensure proper documentation and handling to prevent spillage or exposure.
    Storage Store 4-Bromo-phenol in a cool, dry, well-ventilated area away from sources of ignition and incompatible materials such as strong oxidizers and bases. Keep the container tightly closed and properly labeled. Protect from moisture and light. Use appropriate safety measures, such as wearing gloves and goggles, when handling. Store in a chemical storage cabinet for hazardous materials.
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    Competitive Phenol, 4-Bromo- 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

    Phenol, 4-Bromo-: A Reliable Building Block in Modern Chemical Synthesis

    The Background of 4-Bromo-Phenol Production

    Out on the production floor, work on 4-Bromo-Phenol remains steady and deliberate. Our team has followed the progress of this compound for years, watching as it earns a critical spot in the toolkit of pharmaceutical firms, research labs, and advanced material manufacturers. Producing 4-Bromo-Phenol rests not just on reaction chemistry but also hard-earned shopfloor knowledge. Careful controls over temperature, bromine injection, and quenching protocols shape the final purity and color. We’ve built our processes for real-world demands, where a contaminated or low-purity batch means lost hours, wasted solvents, and missed production windows.

    The right 4-Bromo-Phenol batch can make or break downstream chemistry. Through repeated tweaking of our model—CAS 106-41-2, with a molecular formula of C6H5BrO—we’ve gained a clear sense of how slight impurities can throw off coupling yields or complicate crystallization steps. Customers call, not because phenol derivatives are rare, but because purity, reproducibility, and robust packaging translate to fewer headaches during real day-to-day work.

    Operational Experience Pays Off

    Years on the ground introduce a sense of practicality you can’t pick up from books or standard references. Specification sheets may list a minimum content, melting point range, or permitted residual solvents. We learned, through batches that sat too long or rode too far, that this product demands tight storage—dry, cool, away from sunlight. Moisture uptake, which triggers discoloration, doesn't get flagged by a quick purity check, but it shows up clearly in the final application. Process engineers and QC technicians track those subtle shifts. Our quality control, running HPLC and GC on every batch, pulls out fingerprints of trace organics often missed in less rigorous labs. Direct feedback from organic chemists confirms that our 4-Bromo-Phenol converts efficiently and doesn’t introduce new side reactions or toxins.

    The drive with any specialty intermediate is to nail the same result every time. It’s not enough to hit spec once; the repeat batch must blend seamlessly into the process. We have invested in precise bromination reaction setups, inert-atmosphere handling, vacuum filtration, and robust solvent recovery. Our packaging — tight-sealed, lined with inert barriers — follows what works in lab and field. Down the line, this upfront grind keeps glassware cleaner and workups faster. Manufacturing knowledge steers our adjustments: tweaking the bromine feed when ambient humidity climbs, extending the crystallization window for bigger lots, or shifting filtration material when the mother liquor changes. Each lesson turns into a tweak, and the result is steadier product for our partners.

    Why 4-Bromo-Phenol Matters in Synthesis

    Most users reach for this compound not because it sits at the center of attention but because of its reactivity and versatility in synthesis. The phenolic group couples cleanly in Suzuki and Buchwald-Hartwig reactions, while the bromine position gives a direct handle for cross-coupling to a host of aryl and heteroaryl compounds. In practice, chemists choose 4-Bromo-Phenol when they need a mild, approachable nucleophile that doesn’t drag heavy side impurities into downstream chemistry.

    Its structural simplicity disguises its influence. Large pharma groups use this molecule both in research screening and scale-up to feed routes for selective hormone analogs, biaryl intermediates, and engineered agrochemicals. Our technical staff talk with process engineers who rely on consistent color and melting point. Irregularities here don’t just throw off high-performance liquid chromatography—they can mask dangerous byproducts or complicate environmental testing.

    Differentiation: How Our Approach Sets This Product Apart

    Many sources offer phenol derivatives on a price-per-kilo basis, but we measure the final result in how it supports your chemistry. Other “off-the-shelf” stocks sometimes show small but troubling amounts of dibromo isomers, chlorinated analogs, or carryover of unreacted starting phenol. Over time—hundreds of analyses and cross-comparisons later—we dialed in strict reaction monitoring and post-reaction washes. Batches coming off our lines show tight melting range and little tendency to darken, even after extended transit or storage.

    Long-standing partnerships with analytical labs have shown us where generic material can weaken your synthetic pipeline. A batch run for purity alone may pass certificate inspection but fail in practice when trace metal residues or excess base sequester precious catalysts. We’ve built our protocols to cut those out. Each drum or bottle ships with run history, recent quality control results, and a lot number that traces all the way back through our plant. Without that data, even a well-known intermediate risks becoming a source of lost time for a downstream chemist.

    Applications and Real-World Usage

    In scale-up, 4-Bromo-Phenol behaves with a predictability we appreciate. Major applications include use as a nucleating agent in polymer science or as an essential intermediate in APIs and advanced material research. Recent years saw new interest in tandem coupling reactions from our customers. Here, subtle purity differences show up clearly: higher levels of trace halides can lower yields in Grignard or palladium-catalyzed couplings. That means process chemists don’t want a “high purity” stamp—they need proof of real-world test results. We routinely communicate with teams who run parallel syntheses, pushing batches to the limit, so our run data matches what they see.

    Research teams are increasingly pressed to turn out new scaffolds on demanding project timelines. Reliable access to clean, well-characterized 4-Bromo-Phenol supports those efforts from pilot to kilo-scale. By keeping a phosphate- and heavy-metal-free process, we answer growing calls for improved impurity profiles and safer downstream product. When we look at the routes where our material finds a home, it is often a multistep process. Contaminants snowball—showing up in unexpected late-stage purification. A thoughtful eye to each lot, along with strong data tracking, minimizes those headaches before they show up.

    Challenges in Handling and Potential Solutions

    Handling 4-Bromo-Phenol creates known, solvable issues both on the shop floor and for end users. The crystalline powder brings contact and inhalation risks, so our team runs production lines in closed, filtered workspaces with robust ventilation. Material transfer systems, including sealed bag-in-box delivery, cut down dust formation and keep both workers and product safe. For the end-user, desiccants and tamper-evident containers built into logistics workflows make moisture and contamination rare.

    Traceability often becomes a sticking point as regulatory oversight increases. Auditors and quality assessors expect more than a printout—they want upstream records and analytical signatures to stand up to third-party verification. Our digital batch-tracking system, built out with ongoing software upgrades, links every sample to reaction milestones and intermediate checks. This approach arms both manufacturers and researchers with documentation that speeds qualification, especially in scale transfer or regulatory filings.

    Environmental and Regulatory Context

    Pharmaceutical and specialty chemical supply chains raise their standards for environmental impact and transparent sourcing. Our operation transitioned away from older, waste-heavy halogenation approaches to closed-system bromination, solvent recycling, and minimized aqueous discharge. We reduced our total process waste volume and stepped up monitoring of bromide levels in effluent streams. Environmental protection turns into cost savings as much as compliance—fewer solvents out, easier downstream treatment, smoother audits.

    Safe working practice gets written into every step. We provide routine staff training, outside inspection, and yearly safety upgrades. Compliance with REACH and other regional standards puts 4-Bromo-Phenol batches through review cycles with both in-house and external toxicologists. Not every process chemist tracks the recent fine-print in regulatory lists around phenol derivatives, but our QA and product stewardship teams keep that covered, sending updates as requirements shift.

    How Feedback Drives Ongoing Refinement

    Direct collaboration with synthetic chemists triggers the biggest leap in product improvement. Early batches drew suggestions about filtration clarity, ease of weighing out, and packaging toughness. Years later, we’re acting on new input—finer particle size for faster solution, or alternative drum materials to match rigorous warehousing setups. We run feedback cycles with downstream users, seeking trouble spots that simple analytics may miss. Some teams prefer granular materials for bulk reactors, while others need fine powder for precise lab-scale weighing. Each end-use defines a unique set of practical expectations, often missing from top-level product brochures.

    Shipping managers, plant foremen, and technical directors chime in on usability details—bar codes that won’t scan or labels that peel under cool storage. Getting ahead of these issues shortens setup for every new contract. Regular visits and video walkthroughs mean we see how our product performs, not just in the flask but on the warehouse shelf or under the QC lens.

    Comparison with Other Phenolic and Halogenated Products

    Stacking 4-Bromo-Phenol against other halogenated phenols or analogues teaches plenty about nuance in chemical work. For biaryl synthesis, brominated phenol often carries pricier up-front cost compared to simple unsubstituted phenol, but it trades off with smoother coupling, greater selectivity, and fewer surprises in reaction side products. We have handled jobs calling for 2-bromo- or 4-chloro-analogues. Side-by-side, the para-bromine position (as found in 4-Bromo-Phenol) frequently drives higher yields and less steric drag in cross-coupling, translating to cleaner downstream operations.

    Labs chasing replacement or green alternatives to traditional halides have tried other aryl halide sources, but most return to 4-Bromo-Phenol for reliability and breadth of literature precedent. Cost isn’t everything; lost time and poor step recoveries quickly erase nominal savings. Even a small drag on catalyst loading or product isolation increases total cost in real-world operations. In client feedback, our 4-Bromo-Phenol outperformed several competing sources on HPLC baseline, adaptability in both batch and continuous processes, and reduced time in purification protocols.

    Looking Ahead: Anticipating Shifts in the Industry

    The future of phenolic intermediates rarely gets shaped by overnight fads. Instead, we watch longer trends: greener chemistry, traceability, and zero-defect demands, but also a push for more documentation and supply chain transparency. Regulations are not going backward—downstream partners rely on every lot coming with thorough documentation and analytical backstopping. We’re updating digital trace systems, embedding clearer impurity profiles, and offering open access to quality reports. From early batch work in research to larger planned campaigns, smoother transitions save both money and reputation.

    Industry partners ask for on-spec product without last-minute surprises. Our experience tells us: invest upfront in process discipline, real skilling on the shop floor, and ongoing technical support after the sale. Growth comes not at the expense of quality or transparency, but by anticipating what matters to those working at the bench or managing risk on a production line. Each batch of 4-Bromo-Phenol—crystallized, tested, and shipped after debate and adjustment—reflects that ongoing learning.

    Final Thoughts on Our Approach to 4-Bromo-Phenol

    We make things that others use to create. For us, 4-Bromo-Phenol is more than a line item. We know it as a sum of daily decisions, tweaks, and feedback loops grounded in decades of production and practical customer relationships. In a market crowded by off-spec lots and margin-first thinking, our shop puts in the work to deliver consistent, adaptable product. This comes from knowing what’s at stake—batch consistency, downstream safety, speed to market, and trust built over years, not weeks.

    Choosing 4-Bromo-Phenol from a manufacturer with hands-on understanding brings less risk and more support, right where your synthesis counts. Our team stands ready to keep evolving, because—like the chemists we serve—progress in specialty chemistry rewards persistence most, and that suits us just fine.