Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

2-Bromoindene

    • Product Name 2-Bromoindene
    • Alias 2-Bromo-1H-indene
    • Einecs 211-295-6
    • 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
    VTB
    Specifications

    HS Code

    869747

    Cas Number 2522-02-9
    Molecular Formula C9H7Br
    Molecular Weight 195.06
    Iupac Name 2-bromo-1H-indene
    Appearance Yellow to brown liquid
    Boiling Point 110-112°C at 15 mmHg
    Density 1.588 g/cm3 at 25°C
    Refractive Index 1.656
    Solubility In Water Insoluble
    Synonyms 2-Bromoindene; 2-bromo-2,3-dihydro-1H-indene
    Smiles Brc1ccc2c(c1)CCC2

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

    Packing & Storage
    Packing The 2-Bromoindene is supplied in a 25g amber glass bottle with a secure screw cap, featuring a hazard label and product details.
    Shipping 2-Bromoindene is shipped in tightly sealed containers made of compatible materials to prevent leaks and contamination. It is classified as a hazardous material; therefore, it should be handled and transported according to local and international regulations for dangerous goods, with appropriate labeling, documentation, and precautions to ensure safety during transit.
    Storage 2-Bromoindene should be stored in a tightly sealed container, away from moisture, light, and incompatible substances such as strong oxidizers. Store it in a cool, dry, well-ventilated area, preferably in a chemical storage cabinet dedicated to hazardous organic compounds. Ensure the container is clearly labeled, and access is limited to trained personnel following appropriate safety protocols.
    Application of 2-Bromoindene

    Applications of 2-Bromoindene in Industrial Manufacturing

    As a specialized manufacturer of 2-Bromoindene, we supply this advanced intermediate to multiple industries, focusing on applications where its molecular reactivity and structural characteristics yield specific downstream value. The following sections outline genuine industrial usage scenarios based on actual demand and standards within different segments of the chemicals market.

    1. Pharmaceutical API Synthesis: Indene-Based Anticancer Agents

    Pharmaceutical manufacturers regularly source 2-Bromoindene as a key intermediate during the multi-step synthesis of targeted anticancer drug candidates, particularly those based on indene scaffolds. The material undergoes Suzuki coupling and further derivatization to construct complex heterocyclic frameworks. Tight process control and regulatory compliance are mandatory to ensure the resulting APIs meet stringent purity and safety profiles. Scale-up operations rely on precise stoichiometry and traceability from raw input through to final isolated compounds.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients
    • EU GMP for APIs (EudraLex Volume 4, Part II)
    • FDA 21 CFR Part 211 (Finished Pharmaceuticals)
    • Relevant monographs from United States Pharmacopeia and European Pharmacopeia

    Typical usage ratio

    • 0.2–1.0 molar equivalents relative to core indene unit in designated API synthesis, adjusted according to reaction pathway and desired yield.

    Downstream process integration

    • Material fed into one-pot coupling or bromination reactions after pre-purification; subsequent catalytic steps refine target chemical structure under controlled temperature and solvent conditions.

    Final product types

    • Small-molecule API bulk intermediates for further synthetic transformation
    • Finished oncology drug substances for solid oral and injectable dosage forms

    2. Agrochemical Intermediate Manufacturing: Heterocyclic Herbicide Synthesis

    Chemical producers engaged in advanced crop protection solutions leverage 2-Bromoindene as a reactive intermediate for constructing selective heterocyclic herbicide components. The material’s unique aromatic structure allows for regioselective functionalization, which is fundamental in attaining activity profiles compliant with global safety and residue regulations. Industrial batch facilities require rigorous control of impurity profiles to meet export and domestic regulatory requirements for agrochemical ingredients.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management Systems for chemical manufacturing
    • REACH Regulation (EC 1907/2006) registration for European market
    • China National GB Standards for pesticide intermediates

    Typical usage ratio

    • 5–20% by weight in the reaction mix, determined by target molecule structure and desired scale of synthesis

    Downstream process integration

    • Material introduced at the initial heterocycle formation stage, with subsequent reactions incorporating halogenation, cyclization, and formulation steps in sealed reactors with in-line analytical verification.

    Final product types

    • Herbicide active ingredient intermediates
    • Final herbicide technical concentrates for agricultural application

    3. Specialty Dye and Pigment Precursors: High-Performance Organic Pigments

    The dye and pigment industry utilizes 2-Bromoindene during the synthesis of specialty organic pigment molecules, especially for automotive, industrial coatings, and plastics. As a precursor, the material undergoes condensation and substitution reactions to develop pigments with specific color fastness and brightness levels. Manufacturers must adhere to stringent environmental protocols and ensure absence of forbidden aromatic amines in end products supplied to the global market.

    Industry compliance standards

    • OEKO-TEX® STANDARD 100 for textiles
    • EN 71-3: Safety of Toys—Migration of Certain Elements (for pigments in toys)
    • REACH Annex XVII—Aromatic amines restrictions
    • China GB/T 21867-2008: Limits of Harmful Substances in Paints

    Typical usage ratio

    • 3–12% of total batch feedstock, tailored according to target chromophore density and solvent system compatibility

    Downstream process integration

    • Material enters synthesis at the nucleophilic aromatic substitution stage; reaction runs in solvent-rich media under monitored temperature for desired pigment precursor ring closure and bridged compound formation.

    Final product types

    • Disperse and vat dye precursors
    • Organic pigments for polymer and surface coating applications
    • High-performance color concentrates for automotive and industrial plastics

    4. Advanced Polymer Modifier Synthesis: Functional Additives for Engineering Plastics

    Producers of high-end engineering polymers source 2-Bromoindene to introduce rigid, temperature-resistant moieties during the modification of specialty plastics. The intermediate reacts through controlled polymer-analogous reactions to yield chain-terminating units or pendant group structures that reinforce polymer matrices. Manufacturing plants closely monitor batch viscosity and residual monomer levels to comply with global product safety directives for plastic contact materials.

    Industry compliance standards

    • ISO 10993-5: Biological Evaluation of Medical Devices—Tests for In Vitro Cytotoxicity (for medical polymers)
    • UL 94: Standard for Safety of Flammability of Plastic Materials
    • EU Framework Regulation (EC) No 1935/2004 (food contact plastics)
    • RoHS Directive 2011/65/EU—Restriction of Hazardous Substances

    Typical usage ratio

    • 0.5–3% by polymer weight, adjusted based on polymer backbone reactivity and target application (e.g., medical, automotive, electrical housing)

    Downstream process integration

    • Material incorporated during initial resin polymerization or via melt compounding with reactive extrusion; in some cases, pre-functionalized masterbatches are produced for controlled let-down in final compounding stages.

    Final product types

    • Impact-resistant engineering thermoplastics
    • Specialty copolymer blends for automotive interiors
    • Polymer masterbatches for modification of electrical and medical-grade resins
    Free Quote

    Competitive 2-Bromoindene prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing 2-Bromoindene

    Product Overview

    2-Bromoindene earned its place in the toolbox of research labs and manufacturing environments for good reason. At our facility, we’ve produced this compound for years, refining our process with each batch. Its structure, based on the indene backbone with a bromine atom substituted at the 2-position, offers a unique entry point for further modifications in organic synthesis. Chemists searching for high-purity intermediates trust direct manufacturers like us, since direct control over each reaction step keeps unwanted byproducts to a bare minimum.

    Our 2-Bromoindene Model and Specifications

    We synthesize 2-Bromoindene with strict attention to chemical integrity. The product comes as a clear to pale yellow liquid, which flows smoothly out of our glass-lined reactors before purification. We analyze every lot by NMR, GC-MS, and HPLC to ensure a minimum purity of 98%. Isomeric purity matters as much as chemical purity here; small amounts of related brominated indenes, such as the 1- or 3- isomers, can muddy reactions further downstream. Through controlled temperature profiles and slow addition of reagents, our process favors the desired para-position, minimizing contaminants. Moisture traces get swept away under vacuum.

    We supply this compound in custom volumes, most commonly in glass jars or amber glass bottles with sealed caps. At scale, the product requires care throughout storage and shipping because any exposure to light or air can kickstart slow decomposition. Over the years, we’ve learned to store it in low-temperature, dark conditions until the day it gets packed. That habit preserves activity and prevents the formation of tars or brown residues.

    Use Cases for 2-Bromoindene

    Most customers seek out 2-Bromoindene as a reactive building block. Its key use lies in the Suzuki and Heck coupling fields, where the bromine gives an excellent leaving group for palladium-catalyzed cross-coupling chemistry. Researchers often couple it with boronic acids or esters to create complex biaryl systems not accessible any other way. Over the last decade, as C–C bond formation became more central to pharmaceutical and materials development, our production volumes for this molecule steadily climbed. We see it included in small-molecule organic electronics research, and it shows up regularly in synthetic routes toward specialty dyes.

    Medicinal chemistry teams value 2-Bromoindene for its ability to insert indene frameworks into drug-like molecules. As it reacts readily with aryl or vinyl partners, the substitution pattern gives medicinal chemists control over steric and electronic properties of their targets. Our team has supplied this product for both early-stage discovery projects and structure-activity relationship (SAR) campaigns, supporting groups who move quickly from idea to experiment.

    Another important use emerges in the materials sector. Polymers that contain indene units, especially those built from halogenated intermediates, often gain improvements in thermal stability and unique optical properties. 2-Bromoindene fits nicely into this space, serving as a monomer precursor for polymerization or copolymerization reactions via transition-metal catalysis. Our customers in advanced materials have given feedback that trace impurities from manufacturing can shut down these polymerizations, so we hold each batch up to rigorous standards at the analytical level.

    What Makes 2-Bromoindene Special?

    Anyone familiar with indene chemistry knows the challenge of selective halogenation. Our method sidesteps the distribution of regioisomers that haunts many classic syntheses. By controlling reaction order and temperature—and carefully selecting the starting material—a narrow distribution lands us at the 2-substituted product in high yield. Many commercially available sources pull material off the shelf without checking for positional isomers. Chemists running delicate cross-coupling reactions, though, will spot the difference immediately in their NMR or TLC. Only the manufacturer who controls the synthesis from raw material to finished product can reliably deliver the specificity needed for research and scale-up.

    Choosing 2-Bromoindene over other bromo-indenes centers on the position of substitution. The 2-bromo variant creates branching points for connective chemistry that the 1- or 3- derivatives do not. The reactivity profile changes as well, and so does the impact on any resulting molecular architecture. Take, for example, the difference between a para versus an ortho substitution in biaryl systems—a seemingly small shift but one that determines molecular shape, stacking, and flexibility. Our customers working in catalyst design or ligand synthesis have emphasized this, sharing project outcomes that hinge on accessibility of just the right isomer and purity.

    Impurities matter. Through experience, we’ve seen how just a few percent of another bromoindene isomer can derail a project. In one case, a customer using lower-grade material faced months of troubleshooting before discovering that side products stemmed from the starting material’s impurity profile. Sourcing directly from manufacturers, especially those with analytical transparency, prevents such hidden setbacks. We share data on each production run openly. Detailed NMR spectra and chromatograms form part of the delivered package, matching the expectations of pioneering labs pushing at the edge of chemical synthesis.

    Handling and Reliability—Straight from Our Facility

    Hands-on handling at the point of manufacture changes how one thinks about a sensitive reagent like this. 2-Bromoindene requires respect for both its reactivity and its tendency to degrade under less-than-ideal conditions. Our chemists operate with an understanding of the full hazardous profile, supporting customers with recommendations built from actual day-to-day lab practice. For instance, our packaging prevents exposure to the minor UV photons that spark slow changes over months in storage.

    Direct makers like us pay attention to every label, seal, and closure. No bottle leaves our facility without a full outer wrap and internal protective liner. Our team checks shipment conditions weekly and stores all ready-to-ship product in humidity- and light-controlled vaults. After years of supply chain challenges, we recognized that any disruption to temperature or light input equates to performance drops in the final use. Our customers’ experiments rely on starting material that matches what their protocols describe—no surprises, no gaps between expectation and bottle contents.

    How Manufacturer Experience Shapes Product Quality

    Nothing exposes the gaps in commercial material faster than hands-on synthesis. We’ve tackled more than a dozen different synthetic routes to 2-Bromoindene, chasing better yields, lower byproduct content, and cleaner separations. Classic methods rest on bromination of indene precursors, but marching through reagent additions and clean-up runs faster with modern equipment and strict process controls. Each iterative improvement brings us closer to a product any synthetic chemist would bet their next experiment on.

    Feedback loops matter: customers share data, we incorporate that into process tweaks. Year after year, we chop our impurity levels not just because analytical equipment catches smaller fractions, but because real-world users detect the difference in final product performance. Chemists synthesize complex molecules from simple blocks. If one intermediate fails, the whole sequence grinds to a halt, so maintaining batch reliability shifts from being a selling point to a point of professional pride. We align our quality benchmarks with what our own teams use for critical in-house projects.

    We are more than one-off suppliers. Our approach to 2-Bromoindene draws on the lessons learned producing related indene derivatives and other functional building blocks. Each new production run taps into a continuity of process from one batch to the next. This experience built inside a chemical manufacturer, not a trading house, brings confidence to those buying the first bottle or the hundredth.

    Differences Between 2-Bromoindene and Similar Products

    Chemists in research and industry sometimes compare 2-Bromoindene with its close relatives—1-Bromoindene, 3-Bromoindene, or even bromoindenyl derivatives with more substituents. The difference starts with reactivity. In our own tests, the 2-position substitution opens up pathways that the others either block or suppress due to steric strain or electronic effects. Take a standard palladium-catalyzed cross-coupling: yields and rates often show meaningful improvement with 2-Bromoindene versus the same procedure run on the 1- isomer.

    Substitution patterns shift everything about molecular shape, especially where the indene ring serves as the core for further elaboration. We’ve provided samples to teams refining OLED emitter molecules. They report that 2-Bromoindene leads to better light emission profiles than its cousins, likely tied to the position's influence on conjugation length and molecular packing. In medical chemistry, too, the exact point of halogenation can alter activity, solubility, and downstream synthetic accessibility—making direct access to the right isomer a necessity, not a luxury.

    From our own runs, the separation of 2-Bromoindene from other regioisomers demands precise column and crystallization conditions. Compared to purifying the 1- or 3- analogues, we dedicate more resources to analytical tracking and fraction collection. This extra commitment filters through in purity levels, batch-to-batch consistency, and long-term availability for process development groups and scale-up teams who need assurance that today’s bottle matches last month’s.

    Other brominated indene products, while sometimes less fussy to prepare or easier to store, rarely offer the same range for downstream chemistry. A few labs switch between isomers depending on their target transformations, but for projects where electronic or steric characteristics hinge on substitution pattern, our 2-Bromoindene sets itself apart.

    Why Reliable Manufacturing Matters

    Every synthetic chemist faces the disappointment of chasing down analytic anomalies. In our shop’s history, we saw what unfolds when a shortcut creeps in—whether through sloppily controlled reaction conditions or poor post-processing. The difference between an average product and a reliable intermediate often comes down to whether the maker walks through every small detail, day after day, batch after batch.

    A stable raw material supply, paired with rigorous verification of reagents, lays the foundation. But it’s the accumulated handling experience—knowing, for example, how a fraction of a degree drop on a cold trap affects distillation efficiency on a given week—that drives results. We’ve built protocols not just for mass production, but for protecting small lot quality, so that a researcher doesn’t face project delays due to an unexpected impurity spike.

    Some buyers focus on cost savings; after years in the trenches we know cutting corners here reverberates downstream in unplanned costs, lower yields, and rework. Our most successful product collaborations, with universities and leading industrial labs, grew out of continuous dialogue over both major quality issues and the small details. We accept batches back, investigate even faint signals in NMR, and chase down the source of deviations before resuming supply. This approach relies on a manufacturer’s perspective—where each lot reflects not only the science but also the hands-on choices at every control point.

    Supporting Advanced Research With Direct Supply

    Researchers at the edge of discovery value accessibility and clear communication with their suppliers. Many instruments and methods in modern organic chemistry demand a starting material that matches its label and supporting documentation. We have shipped hundreds of kilograms of 2-Bromoindene over the years, but we also fill small custom orders for pivotal experiments or unique screening efforts. Often, buyers approach us with specific analytical questions, requests for alternate packaging, or feedback from their initial runs. Our technical experts respond from real lab experience, bridging gaps between producer and end-user.

    A manufacturer running its own validation reactions internally can predict where problems might surface for end-users. For example, we invest in stability testing beyond standard shelf-life, probing responses to transit stress or modest humidity exposure that can creep into long-haul shipments. Those lessons feed back into lab practices and customer support documents. Rather than rely on sales copy or third-party summaries, we generate all product information ourselves, built on decades in organic synthesis and purification.

    Our ongoing work with polymer scientists, pharmaceutical developers, and advanced materials engineers keeps our team close to current trends and emerging needs. A compound like 2-Bromoindene isn’t just a commodity—it’s a precision tool. The people putting it to use want assurance that their experiments start on firm ground, with every variable controlled as closely as possible. In many conversations, researchers express frustration at opaque supply chains. Direct engagement with a responsible manufacturer answers this, opening dialogues on lot history, storage guidance, and even suggestions for alternate synthetic routes based on real manufacturing data and process development results.

    Challenges and Solutions in 2-Bromoindene Manufacturing

    Every synthetic chemist knows the reality: scaling up halogenated indenes from grams to kilograms often brings surprises. We learned this early on, as shifts in temperature homogeneity, mixing efficiency, or even atmospheric pressure can nudge selectivity away from optimal targets. Our answer has always been to assume nothing. Every scale-up runs through fresh pilot batches, each monitored for new byproduct formation or equipment effects. Refining the filtration and vacuum-drying stages matters just as much as tuning the main reaction, as halogenated residues cling to glassware or stirrer assemblies.

    Our team constantly checks against both in-house historical data and public reports from the broader scientific community. Where proprietary issues surface, we reach out to customers for before-and-after data, building a cycle of continuous process improvement. Instrumentation advances in the last few years—especially for NMR, mass spectrometry, and two-dimensional chromatography—allowed us to catch trace-level impurities no prior generation spotted. We pass these advances along to customers not through jargon or sales pitches, but through documented spectra, accessible reporting, and detailed batch histories on request.

    Shipping, particularly for hazardous chemicals, pushes our procedures further. 2-Bromoindene’s sensitivity to light and air means that delays or errors during transport can undo weeks of work. We address this with tamper-resistant, light-opaque bottles and secondary packaging—wrapping each item to insulate against those risks. Improving our own storage environment, with constant monitoring of humidity and temperature and regular data reviews, closed the loop on product integrity after years of hard experiences with occasional spoilage or degradation.

    Another challenge springs from regulatory changes affecting shipping, disposal, and use of halogenated organics. As a direct manufacturer, we watch regulatory updates closely, adjusting paperwork and packaging in real time and maintaining full transparency when specifications or availability shift. This kind of adaptability supports end-users racing to meet compliance requirements, whether in academic labs, pharma process development, or tech research wing.

    Moving Forward With 2-Bromoindene

    The compound stands as both a proven tool and a test case in how careful manufacturing can lift synthetic chemistry. Some researchers remember bad experiences with inconsistent supply, product variability, or failing reactions that trace back to unvetted materials. We focus on closing that loop—building trust batch by batch, supporting customers with complete data, and never stepping back from the direct relationship between maker and user.

    2-Bromoindene gives a window onto the broader demands of advanced organic synthesis. Its pathway through our shop, from precursor chemicals to packaged goods, weaves together decades of experience, technical precision, and a commitment to open, grounded dialogue with end-users. That perspective, as a hands-on chemical manufacturer, drives every decision from raw material sourcing to final analytical certification, and it defines the reliability for which we are known in the marketplace.