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3-Bromo-2-Methylphenol

    • Product Name 3-Bromo-2-Methylphenol
    • Alias 3-Bromo-o-cresol
    • Einecs 249-048-3
    • 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

    839256

    Productname 3-Bromo-2-Methylphenol
    Molecularformula C7H7BrO
    Molecularweight 187.04 g/mol
    Casnumber 92115-65-8
    Appearance White to off-white solid
    Meltingpoint 81-85°C
    Boilingpoint 274°C
    Density 1.65 g/cm³
    Solubility Slightly soluble in water
    Purity Typically ≥98%
    Smiles CC1=C(C=CC(=C1)O)Br
    Inchi InChI=1S/C7H7BrO/c1-5-6(8)3-2-4-7(5)9/h2-4,9H,1H3
    Synonyms 2-Methyl-3-bromophenol
    Refractiveindex 1.626 (predicted)
    Storageconditions Store at room temperature, tightly closed

    As an accredited 3-Bromo-2-Methylphenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 3-Bromo-2-Methylphenol

    Applications of 3-Bromo-2-Methylphenol in Industrial Manufacturing

    As a direct manufacturer, we supply high-purity 3-Bromo-2-Methylphenol for critical applications in organic synthesis and downstream industrial production. The material serves as a key specialty intermediate across several industries, with each application requiring precise compliance, carefully adjusted ratios, tailored integration protocols, and producing highly specified finished products.

    1. Pharmaceutical Intermediate for Active Pharmaceutical Ingredients (APIs)

    In the API synthesis pipeline, 3-Bromo-2-Methylphenol acts as a core building block for certain advanced intermediates, especially for substituted phenolic oral and injectable drugs. Research and commercial manufacturers use this compound in the synthesis of molecules with anti-inflammatory, anti-infective, or CNS activity, where the precise stereochemistry and halogenation pattern are indispensable. Detailed route scouting and validation studies define the appropriate loading, minimizing impurities while adhering closely to pharmaceutical GMPs and registration standards in regulated markets.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for APIs
    • EU EudraLex Volume 4: GMP Guidelines Annex 1
    • USP General Chapter <1078> for process intermediates
    • FDA 21 CFR Part 211 (for drug substance controls)

    Typical usage ratio

    • 0.2–0.8 molar equivalents relative to target intermediate; precise quantities depend on desired substitution yield and downstream yield optimization in multi-step synthesis

    Downstream process integration

    • Introduced at the key bromination or phenol functionalization stage before cyclization or coupling steps; monitored by in-process HPLC/GC for carryover and residuals

    Final product types

    • Small-molecule APIs for anti-inflammatory and CNS therapeutics
    • Precursor compounds for regulated veterinary drugs
    • Registered intermediates supplied to EU, China, USA, and India
    • Mill-milled intermediate solids for pilot- and plant-scale pharma synthesis

    2. Agrochemical Intermediate for Herbicide and Fungicide Synthesis

    Many leading agrochemical manufacturers rely on 3-Bromo-2-Methylphenol as a strategic intermediate for the production of brominated phenol-based herbicides and systemic fungicides. Its configuration enables direct introduction of halogenated moieties required for biological activity in field applications, particularly in cereal and fruit crop protection. The raw material enters processes that require careful tracking of halogen content and minimization of trace byproducts, with robust adherence to agrochemical registration and environmental handling standards for active agrochemical production.

    Industry compliance standards

    • FAO/WHO Specification and Evaluation for agricultural pesticide intermediates
    • ISO 9001:2015 for chemical manufacturing QC (relevant for traceability and batch documentation)
    • EPA 40 CFR Part 158: Data requirements for agrochemical registration in the U.S.
    • REACH Regulation (EC) No 1907/2006: Intermediates handling in the EU

    Typical usage ratio

    • 13–22% w/w in primary stage of brominated core assembly; levels adjusted to achieve optimal field residue limits and end-use formulation requirements

    Downstream process integration

    • Fed into condensation and etherification reactions under controlled process conditions, monitored for bromide and total phenolic content; critical in block synthesis prior to active ingredient blending

    Final product types

    • Herbicide active ingredients for post-emergence crop protection
    • Fungicide technical concentrates for fruit and vine cropping
    • Agro-intermediate bulk solids for granule and SC formulations
    • Export-oriented pesticide intermediates for registration dossiers

    3. Dye and Pigment Intermediate – Specialty Azo and Anthraquinone Dyes

    Specialty dye manufacturers use 3-Bromo-2-Methylphenol extensively in the downstream synthesis of azo and anthraquinone dyes, where its unique substitution pattern enables defined color profiles, wash fastness, and light stability for textile and plastics applications. The compound participates in coupling, diazotization, or oxidative joining stages, and its mol ratio and purity directly impact hue precision and tinting strength. Strict batch testing and documented process safety sheets support compliance in regulated markets, particularly in Europe and the Asia-Pacific region.

    Industry compliance standards

    • OEKO-TEX® Standard 100 (limitation of hazardous substances in finished dyes)
    • ZDHC MRSL Level 1 for textile chemical substances
    • ISO 9001 and ISO 14001 for environmental and quality management in pigment production
    • EN 71-3 (toxicity migration in toys and textiles, mandatory for EU)

    Typical usage ratio

    • 5–16% by mass of dye intermediate blend; tailored to substrate and shade requirements based on textile or polymer matrix

    Downstream process integration

    • Used directly in azo-coupling or oxidation step with controlled agitation and pH; residual monitoring required to prevent off-tone formation

    Final product types

    • High-performance textile dyes for cotton, polyester, and blended fabrics
    • Plastic and fiber pigment dispersions
    • Printing ink colorants for flexible packaging
    • Functional color additives for elastomer and specialty coatings

    4. Fine Chemical Intermediate for Specialty Polymers

    Leading specialty polymer producers incorporate 3-Bromo-2-Methylphenol as a monomeric intermediate to introduce brominated phenolic functionality in engineered resins and thermoset networks. It supports applications demanding enhanced flame resistance, thermal stability, and chemical inertness in electronics, automotive, and aerospace applications. Critical control of input purity and bromine value supports overall polymer property targets and finished article compliance. Material seamlessly enters polycondensation, chain extension, and post-modification reactions in modern production lines.

    Industry compliance standards

    • UL 94 (flammability rating for plastics)
    • RoHS (2011/65/EU, for restricted hazardous substances in electronics)
    • ISO 1043-4 (designation and labelling of plastics with flame retardants)
    • REACH SVHC monitoring for supply chain risk

    Typical usage ratio

    • 0.5–4% molar ratio in polycondensation or copolymer systems; tuned for target flame retardancy and mechanical property balance

    Downstream process integration

    • Loaded as co-monomer or pre-reacted additive before melt polymerization or resin blending; purity and moisture critical for chain length and molding

    Final product types

    • Flame-retardant polyester and epoxy specialty resins
    • Wire and cable insulation compounds
    • Advanced composite matrices for aerospace/automotive applications
    • High-specification electronics-grade polymer pellets and prepregs
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    Certification & Compliance
    More Introduction

    Unlocking the Value of 3-Bromo-2-Methylphenol: More Than Just a Building Block

    Understanding the Backbone of Innovation

    3-Bromo-2-methylphenol stands out as a key compound for researchers and industry chemists who push for precision and reliability. I remember starting my career in a university lab where every molecule counted toward the end result. In today’s world, chemists still look for substances that give them a predictable edge in scaling up from bench to plant. With a formula of C7H7BrO and a molecular weight of 187.04 g/mol, this compound steps up as a trusted partner for those who need a halogenated phenol with a bit of an extra kick. The monobromo substitution and the methyl group on the benzene ring give it properties that differ from most basic phenols, opening up possibilities to exploit both the halogen and methyl effects in synthesis and function.

    The Advantages of 3-Bromo-2-Methylphenol in Research and Production

    A major reason people reach for 3-Bromo-2-methylphenol in their projects comes from its reactivity profile. In aroma chemistry and pharmaceuticals, the presence of both the bromine and the methyl group can influence how a molecule behaves, offering handles for further substitution or selective transformations. I’ve watched colleagues choose this molecule because it allows for efficient cross-coupling reactions or serves as an intermediate in creating more complex molecules, with fewer by-products showing up in later purification.

    In laboratories focused on fine chemicals or new drug candidates, repeatability matters. Having a compound like 3-Bromo-2-methylphenol with a clear melting point (typically near 46-49°C) and known solubility characteristics in organic solvents avoids surprises. Small features like its slightly sweet, medicinal odor become signatures that help practitioners check authenticity before turning to costlier purity tests.

    Distinguishing 3-Bromo-2-Methylphenol from the Crowd

    Many phenols line the shelves of chemical suppliers and each has its quirks. Take 2-methylphenol (o-cresol)—omit the bromine, and you get a compound that behaves differently both in reactions and when used as an intermediate for specialty materials. The bromo group adds a dimension to electrochemical, nucleophilic, and even biological reactivity. Compared to something like 4-bromo-2-methylphenol, changing the position of the bromine switches up steric and electronic effects, which impacts selectivity in every step down the line.

    Some substitutes claim to fill the same space, yet fail to deliver the same level of performance in Suzuki-Miyaura couplings or in the construction of specific dyes and agrochemicals. Years of published studies back up the importance of regioselectivity in phenol chemistry. Chemists who work with advanced materials point out that small changes in the starting material ripple out, affecting the color, stability, or reactivity of the final product.

    Applications Across Industries

    Most people in synthesis think of 3-Bromo-2-methylphenol as a staple in the pharmaceutical sector, where it helps build up more intricate structures or act as a test point for new reactions. Beyond active drugs, this molecule finds a home in the production of UV absorbers, specific resin modifiers, and antimicrobial formulations. In the hands of a formulation chemist, its halogenated form makes it useful against bacteria and fungi—often required in the formulation of specialty coatings or cosmetic preservatives.

    Working in the field of material science, I came to recognize the value of molecules that bridge organic synthesis and performance-enhancing characteristics in plastics, rubbers, and specialty polymers. The methyl and bromo groups allow the compound to tune glass transition temperatures or impart flame resistance when built into larger macromolecules. In these applications, its consistency from lot to lot becomes more important than sheer price.

    Dealing with Challenges on the Bench and Beyond

    Anyone who’s ever worked with halogenated aromatics knows the environmental debates—bromine brings up flags about toxicity and persistence in ecosystems. Responsible producers have stepped up to improve handling, transport, and waste management. End users, both in academic settings and industry, now look for technical documentation on best storage practices, echoing lessons I learned early: keep things cool, dry, and away from bases to avoid unwanted reactions.

    Beyond safety, the discussion turns to sourcing and purity issues. This market sees its ups and downs, sometimes facing supply shocks due to regional restrictions or changes in bromine production. In my own experience, moving to suppliers with transparent sourcing and updated quality certificates cut down lab headaches and made regulatory submissions less painful. Regulatory expectations aren’t just paperwork—submissions for new pharmaceuticals or materials demand supporting data to prove both quality and chain of custody. Products with robust documentation save time and build a foundation for trust.

    Improving Productivity and Reducing Risk

    3-Bromo-2-methylphenol isn’t a chemical to buy on price alone. Years ago, working on a deadline for an academic-industry collaboration, I saw colleagues scramble as an off-spec batch set their timeline back weeks. Testing reveals that poorly sourced material often shows a higher content of 2-methylphenol or even dibromo phenol by-products, which can sabotage planned reactions. I’ve since learned to ask suppliers about typical content of trace impurities, as well as batch-to-batch reproducibility figures.

    In addition to quality, suppliers can make a difference through their technical support. Offering advice on optimal temperatures for storage or tips on minimizing workplace exposure can sound obvious, yet these steps matter for anyone working with visible fumes or handling phenolic compounds over extended periods. Having workplace monitoring plans also ensures safety, especially considering phenols’ skin and eye irritation risks. For smaller labs and startups, supplier support can actually shape whether a research project moves forward smoothly or stalls due to compliance issues.

    Supporting Sustainable and Responsible Use

    We all see the changes sweeping the chemical sector—shifts toward greener practices, sustainable sourcing, and minimizing hazardous waste streams. Products like 3-Bromo-2-methylphenol present both challenges and opportunities in this regard. Research published in journals like Green Chemistry shows growing interest in “halogen economy” approaches, making the best use of these atoms without producing avoidable by-products or emissions. Green routes to phenol derivatives, using recyclable catalysts or minimizing solvent waste, gain traction as regulations tighten.

    From my time collaborating with environmental health experts, I saw that lifecycle analyses often highlight phenols as high-priority targets for stewardship, since these compounds can persist if not treated or disposed of responsibly. Some manufacturers now offer take-back programs or work with accredited waste handlers for off-spec product, giving end users peace of mind. Ensuring compliance with REACH or TSCA frameworks adds another layer of credibility.

    Practical Tips for Labs and Scale-Up Teams

    Choosing a compound like 3-Bromo-2-methylphenol means paying attention to finer points in purchase and handling. Analytical chemists recommend using gas chromatography and high-performance liquid chromatography to check incoming lots, even when buying from reputable producers. Over the years, the labs I’ve worked with have come to rely on internal standards and retention time checks to flag possible substitution with similar-looking phenols, which can be tempting to unscrupulous brokers. These steps may look fussy, but they pay off, especially when even trace impurities could derail downstream reactions.

    In scaling up from grams to kilograms, logistics and hazard management grow in importance. Standard precautions—using fume hoods, non-sparking tools, and strict labeling—help manage phenolic odors and skin exposure. For plants working with large lots, reviews of SDS information and emergency procedures build confidence, and trained staff become the first and last line of defense against spills and accidental mixing with strong bases or oxidizers.

    The Bottom Line: Choosing Quality for Confident Progress

    As researchers and industry professionals look for ways to stretch budgets without sacrificing quality, decisions about sourcing compounds like 3-Bromo-2-methylphenol affect more than just the current project. Markers of dependable producers include certificates of analysis, up-to-date regulatory documentation, and the willingness to answer detailed technical questions. Savvy buyers also talk with colleagues to compare supplier performance and watch for emerging trends in synthesis methods or purification technologies, as each new advance adds to our collective understanding of what these molecules can do.

    Reliability grows out of transparency, rigorous testing, and partnerships that value long-term trust. I’ve seen teams pivot to better suppliers and reclaim precious time in their syntheses, getting results that add up in patent filings, published papers, and commercial launches. Success isn’t just about filling a flask—it’s tied to the details of how each batch performs, how safe it feels to handle, and how the broader goals of sustainability and regulatory compliance fit into each order.

    Learning from the Experts and Staying Curious

    Industry veterans and newcomers alike know that every compound has a story behind its properties and uses. Whether synthesizing a new active ingredient or developing advanced materials, time spent understanding the full character of reagents like 3-Bromo-2-methylphenol pays dividends. Today’s best practices draw from published research, shared experience, and a continuous drive to improve outcomes for people and the planet.

    For anyone aiming to do more with less, and to keep projects on track in a competitive, regulated world, separating marketing claims from substantiated fact protects both health and profitability. 3-Bromo-2-methylphenol, with its specific balance of reactivity, stability, and reliable supply, illustrates what happens when chemistry meets clear-headed decision-making. With technology changing fast and expectations for safety and sustainability rising around the world, taking the time to make smart choices with each reagent will continue to shape progress in ways that matter far beyond the lab bench.

    Addressing Concerns and Mapping Out Solutions

    Concerns about health, environment, and product consistency travel with all substances that blend industrial value and potent chemistry. Adopting best lab practices, reviewing regulatory changes, and supporting credible supply chains address many of these challenges. Reviewing approaches endorsed by leading agencies, such as EPA guidance or ICH Q7 for pharmaceutical-grade materials, helps both individuals and companies avoid costly setbacks while supporting a reputation for quality.

    Beyond compliance and documentation, investing in technical training and lab audits for core substances like 3-Bromo-2-methylphenol elevates both safety and scientific excellence. Shared knowledge—from workshops to technical notes—creates an environment where fewer mistakes happen and where staff feel confident taking on new challenges. That sense of preparedness carries forward, protecting both current work and future programs built on the trust that comes with sound chemical choices.

    Raising the Bar for the Next Generation

    The story of 3-Bromo-2-methylphenol offers a picture of how detail-minded synthesis, transparency, and thoughtful regulation can combine for stronger science. Researchers new to chemical development gain from listening to those who’ve seen the cycles of boom and bust in supply and demand, the shifting standards in purity, and the tenacity needed when one step in a synthesis throws off an entire project. By placing a premium on traceability, user education, and proactive communication with suppliers, the community keeps raising the bar.

    With research labs, production sites, and academia all working under pressure to deliver results, choosing partners and suppliers who share these values shapes better outcomes. Whether the goal is a faster route to a new API or the development of next-generation materials with demanding specifications, the right chemical foundation anchors those efforts. The lessons learned in the pursuit of a single reagent echo across the field, shaping careers, collaborations, and even the products that reach people around the world.

    A Continuing Journey

    Walking through the challenges and advantages of 3-Bromo-2-methylphenol, it becomes clear how much depends on each link in the supply and usage chain. As new research emerges and industry expectations shift, staying informed, engaged, and ambitious matters. This approach creates not just better results in the present, but also lays the groundwork for safer, smarter, and more sustainable chemistry in the years ahead.