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1-Hexyl-2,3-Dimethylimidazolium Bromide

    • Product Name 1-Hexyl-2,3-Dimethylimidazolium Bromide
    • Alias [HMIM]Br
    • Einecs 611-631-6
    • 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
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    Specifications

    HS Code

    402594

    Product Name 1-Hexyl-2,3-Dimethylimidazolium Bromide
    Cas Number 658740-60-6
    Molecular Formula C11H21BrN2
    Molecular Weight 261.21 g/mol
    Appearance White to off-white solid
    Melting Point Approximately 55-70°C
    Solubility In Water Soluble
    Boiling Point Decomposes before boiling
    Density 1.17 g/cm³ (at 25°C, approx.)
    Purity Typically >98%
    Ionic Liquid Yes
    Smiles CCCCCCn1c(C)nc(C)n1.[Br-]
    Storage Temperature Store at 2-8°C
    Synonyms HMIM Br; 1-Hexyl-2,3-dimethylimidazolium bromide

    As an accredited 1-Hexyl-2,3-Dimethylimidazolium Bromide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White HDPE bottle with a secure screw cap, labeled "1-Hexyl-2,3-Dimethylimidazolium Bromide, 100g, for research use only."
    Shipping 1-Hexyl-2,3-Dimethylimidazolium Bromide is shipped in tightly sealed containers, protected from moisture, heat, and direct sunlight. The packaging ensures chemical stability and prevents leakage. Standard shipping complies with chemical safety regulations, including labeling with hazard information. Handling requires appropriate personal protective equipment (PPE) to ensure safety during transit and delivery.
    Storage 1-Hexyl-2,3-dimethylimidazolium bromide should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from moisture and incompatible materials such as strong oxidizers. Avoid exposure to direct sunlight and sources of ignition. Store under inert atmosphere if possible to prevent degradation. Properly label the container and keep it away from heat sources and corrosive substances.
    Application of 1-Hexyl-2,3-Dimethylimidazolium Bromide

    Applications of 1-Hexyl-2,3-Dimethylimidazolium Bromide in Industrial Manufacturing

    As an established manufacturer, we support advanced production needs by supplying 1-Hexyl-2,3-Dimethylimidazolium Bromide for precise industrial use. Our quality standards and process alignment meet stringent customer demands across highly focused application scenarios. Below, detailed use cases illustrate integration into critical sectors with practical technical specifications.

    1. Electrolytes for Dye-Sensitized Solar Cell (DSSC) Assembly

    Photovoltaics manufacturers rely on this ionic liquid as a functional electrolyte component in dye-sensitized solar cell production lines. Its unique cation structure supports high ionic conductivity and chemical stability, expanding DSSC efficiency and operational lifespans. Integration occurs during the cell assembly phase, where controlled introduction ensures consistent photovoltaic performance within regulatory and quality assurance frameworks.

    Industry compliance standards

    • IEC 61215 (Crystalline silicon terrestrial PV modules)
    • ISO 9001:2015 (Quality management in PV manufacturing)
    • EU RoHS Directive 2011/65/EU (Restriction of hazardous substances)

    Typical usage ratio

    • 5–20% by weight in electrolyte mixtures, depending on target energy conversion and device architecture; process engineers adjust within this range for performance optimization and VOC control.

    Downstream process integration

    • Added directly to electrolyte formulations during the inter-electrode filling stage, often after purification or solvent removal; typically co-dissolved with iodide/triiodide or other redox mediators under inert atmosphere.

    Final product types

    • Dye-sensitized solar panels for building-integrated photovoltaics
    • Portable, lightweight DSSC chargers and power sources
    • Energy-harvesting devices in wearable systems

    2. Phase-Transfer Catalyst in Pharmaceutical Intermediates Synthesis

    Leading API manufacturers utilize this compound as a phase-transfer catalyst for quaternization and alkylation steps. Its imidazolium matrix accelerates reaction rates between organic and aqueous phases, minimizing side reactions and reducing batch processing times, especially in the production pathways for heterocyclic drugs, under strict cGMP and ICH standards.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • USP <1078> (Good Manufacturing Practices for Bulk Pharmaceutical Excipients)
    • 21 CFR Part 211 (US FDA cGMP for finished pharmaceuticals)

    Typical usage ratio

    • 0.1–3 mol% relative to the limiting reagent, with process chemists evaluating exact dosage during scale-up to balance conversion rates and product purity.

    Downstream process integration

    • Charged into reaction vessels during mixing or agitation, typically in the catalyst loading step; removed through aqueous extraction or purification downstream prior to crystallization of intermediates.

    Final product types

    • Crude and purified pharmaceutical intermediates for antihypertensive and antiviral APIs
    • Specialty heterocyclic compounds for advanced drug synthesis
    • Intermediates for veterinary pharmaceuticals

    3. Solvent and Reaction Medium for Cellulose Processing in Specialty Films

    Manufacturers of cellulose-based films and fibers employ the ionic liquid as a direct dissolution and spinning medium. Its capacity to break intermolecular hydrogen bonding in cellulose supports homogeneous solutions, driving the production of high-transparency packaging and biodegradable films under regulated food-contact and packaging standards.

    Industry compliance standards

    • FDA 21 CFR 177.1630 (Polyethylene phthalate polymers for food contact)
    • ISO 22000 (Food Safety Management for packaging manufacturing)
    • EU Regulation (EC) No 1935/2004 (Materials and articles intended to come into contact with food)

    Typical usage ratio

    • Cellulose loading of 5–10% (w/w) in the ionic liquid, with actual ratios determined by dissolution kinetics and required viscosity for spinning or casting operations.

    Downstream process integration

    • Added as the primary processing solvent in cellulose dissolution reactors; after homogeneous solution forms, extruded or cast into films, followed by anti-solvent coagulation and washing to remove ionic liquid traces.

    Final product types

    • Edible packaging films for food applications
    • Pharmaceutical capsule shells
    • Transparent cellulose-based wrapping and barrier films

    4. Electrochemical Sensor Fabrication for Environmental Analysis

    Sensor manufacturers select this bromide-based ionic liquid for modifying electrode surfaces or preparing thin-film membranes in amperometric and potentiometric sensing devices. Its non-volatility and wide electrochemical window provide durable response characteristics for continuous monitoring of environmental contaminants, supporting regulatory reporting and QA systems in analytical laboratories.

    Industry compliance standards

    • ISO 14001 (Environmental Management Systems)
    • EPA 40 CFR Part 136 (Guidelines for environmental monitoring)
    • OECD GLP (Good Laboratory Practice)

    Typical usage ratio

    • Typically 10–30% by mass in matrix formulations for electrode coating or as a significant component in ionic-liquid composite membranes, with optimization based on target analyte and signal stability requirements.

    Downstream process integration

    • Applied during electrode surface functionalization or as part of polymer binder mixing, followed by curing or physical adsorption on sensor substrates prior to encapsulation.

    Final product types

    • Heavy metal and nutrient ion selective electrodes for water and soil analysis
    • Gas-phase pollutant amperometric sensors
    • Continuous-monitoring laboratory sensor kits

    5. Extraction Aids in Rare Earth Element Separation

    Hydrometallurgical plants engaged in rare earth element (REE) separation employ this ionic liquid as an extractant or phase modifier. The unique ionic environment enhances selectivity for light versus heavy REEs in liquid-liquid extraction stages, supporting closed-loop and low-emission separation under environmental and occupational compliance programs.

    Industry compliance standards

    • ISO 14001 (Environmental Management Systems in chemical plants)
    • REACH Regulation (EC) No 1907/2006 (Registration, Evaluation, Authorization and Restriction of Chemicals)
    • OSHA 29 CFR 1910.1200 (Hazard Communication Standard)

    Typical usage ratio

    • 1–8% by volume in extraction mixtures, with process technicians adjusting the level based on feedstock complexity and desired separation factor.

    Downstream process integration

    • Introduced to organic extraction systems after acid leaching, participates in liquid-liquid extraction cycles, then removed or recycled in downstream washing and stripping units.

    Final product types

    • Pilot and refined rare earth oxides and chlorides
    • High-purity neodymium and dysprosium for magnet manufacturing
    • REE concentrates for electronics supply chains
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    Certification & Compliance
    More Introduction

    Introducing 1-Hexyl-2,3-Dimethylimidazolium Bromide: Direct from Our Production Lines

    Our Experience Producing Advanced Ionic Liquids

    At our facility, decades of hands-on production in specialty chemicals have shaped our approach to engineering molecules that offer more value in every reaction. 1-Hexyl-2,3-Dimethylimidazolium Bromide (often referred to as [C6dmim]Br) reflects this effort, standing out from standard ionic liquids thanks to its unique cation design. The combination of a hexyl group and two methyls on the imidazolium ring opens doors in fields ranging from catalysis to electrochemical devices. Our focus on process control, raw material sourcing, and end-use insights allows us to deliver each batch with uniform composition and high reliability. We do not rely on outsourced blends or spot purchases; every kilo is produced and quality-checked in our own reactors, guided by staff who understand both chemistry and industrial application.

    What Makes [C6dmim]Br Different On the Molecular Level?

    Traditional imidazolium-based ionic liquids hold a reputation for strong solvating abilities, customizable viscosities, and thermal stability. The 1-hexyl-2,3-dimethyl modification gives this compound an additional edge. In our hands, this structural tweak allows for lower melting points and enhanced miscibility with a wide spectrum of polar and non-polar substances. The extra methyl groups can suppress unwanted side reactions and improve tolerance to water, which can matter greatly in air- or moisture-exposed industrial setups. As manufacturers, we pay special attention to removing residual halides and metal contaminants, steps that cut down on noise in electrochemical applications and reduce unwanted side-product formation for catalysis clients.

    Model and Specifications Matter in Real-World Production

    We produce 1-Hexyl-2,3-Dimethylimidazolium Bromide to a specification tailored from real plant experience, not just what looks clean on a lab report. Purity targets routinely run over 99 percent, checked by NMR, HPLC, and conductivity data from freshly isolated product. We invest in solid-liquid separation and in-line drying steps. These controls matter because trace moisture, especially in ionic liquids, can throw off performance in batteries or in complex organic syntheses. Whether we are sending out 100 grams or mulitple drums per week, every batch gets logged, tested, and documented to maintain this reliability. Clients often run our product head-to-head against lower-cost alternatives and report cleaner catalysis, lower cell resistance, and more stable material over time.

    How We See [C6dmim]Br Used Across Industries

    Demand for 1-Hexyl-2,3-Dimethylimidazolium Bromide comes mostly from clients in electrochemical engineering, organic synthesis, extraction science, and advanced materials research. In our discussions with battery developers, the conversation often centers on conductivity and cation tuning. The longer alkyl chain and dual methyls lend a careful balance of low viscosity and solid ionic transport, making this product a go-to in next-generation lithium battery prototypes. For synthetic chemists, the enhanced hydrophobicity due to the hexyl tail prevents unwanted emulsification in multi-phase systems, while the unique cation structure acts as more than just a bystander—its gentle steric hindrance can slow or accelerate reactions involving soft metals or nonpolar transition states.

    Researchers working on homogeneous catalysis point to the stable environment created by this ionic liquid. In our own lab trials, even delicate palladium complexes exhibit extended lifetimes in its presence, especially in air or slight moisture. Extraction technology clients tell us the specific polarity range of [C6dmim]Br enables recovery of hard-to-separate organics, a benefit during industrial recycling of precious materials from electronic waste. Because we have constant technical feedback, we can adjust quality control and even the raw input specifications, making tweaks that actually benefit the end user rather than just satisfy generic purity numbers.

    Why Our Control Over Raw Materials Matters

    Unlike traders who rely on variable external sources, we track every drum from raw alkyl halide to the final packaged bottle. Bromide anion content can sometimes carry traces of unreacted brominating agent; missing this can cause purity drift or unwanted color formation over time. By holding every stage in-house, we screen for these issues early and catch lot-to-lot drift due to supply chain shifts. This discipline translates directly to cleaner NMR profiles, lower background in spectroelectrochemical work, and more predictable results for end users. These aren’t just quality buzzwords; we frequently collaborate with clients to troubleshoot reaction failures or instrument drift, not only supplying fresh product but also suggesting simple tweaks that arise from our synthesis and purification data logs.

    Handling, Packaging, and Stability Concerns—Lessons from the Production Floor

    Ionic liquids can pick up odor or discolor if exposed to the wrong plasticizers or if sealed in improper packaging. From experience, polyolefin liners work better than basic HDPE in preventing subtle contamination. Our containers are consistently tested for leachables and we’ve phased out container types flagged by users for compatibility issues. In climates with high humidity, batch splitting on site for smaller vessels helps minimize moisture ingress, since this class of ionic liquids can hold enough water to shift melting points. If a partner needs particularly low-water product—a common issue for organometallic catalysis or sensitive electrode coatings—we produce dedicated runs with additional water stripping and test each unit by Karl Fischer titration. These adjustments may slow down logistics occasionally, but detailed attention at this stage prevents callbacks and failed syntheses downstream.

    Comparing [C6dmim]Br to Other Ionic Liquids: Practical Insights

    The extensive range of imidazolium-based ionic liquids can create confusion, especially when a project lists “similar” alternatives such as 1-butyl-3-methylimidazolium bromide or 1-hexyl-3-methylimidazolium chloride. Structural tweaks look minor on paper, but in the plant or lab reality, minor differences can make or break a whole campaign. [C6dmim]Br delivers reduced viscosity over longer-chain imidazolium derivatives, especially below room temperature. Compared to butyl-based cations, the hexyl group pushes solubility ranges into less polar environments, helping when solvents with low dielectric constants dominate, or when phase separation needs fine-tuning. In battery electrolytes, the dual methyl substitution delivers cation stability that translates into better resistance to side reactions under high voltage. Many of our clients start with cheaper chloride analogs, but switch to our bromide after hitting wall after wall with instability or persistent color changes in their product.

    As far as environmental handling goes, our bromide form offers improved recyclability and lower volatility than homologues with shorter alkyl chains or less hindered imidazolium rings. The bromide ion’s compatibility with transition metal catalysts can be decisive in processes geared towards halide-exchange reactions or where halide coordination impacts yields. Users familiar with the headaches of other ionic liquids—gumming in pumps, fouling, mysterious discoloration—tend to encounter fewer surprises with our process-honed [C6dmim]Br.

    Supporting Advanced Research and Scale-Up Direct from the Source

    For universities and industry research parks, the jump from gram-scale solution chemistry to pilot production brings up issues ranging from batch-to-batch repeatability to long-term storage. We participate in dozens of technical feedback loops each year, offering practical troubleshooting advice based on what our own plant teams experience with viscosity handling, corrosion potential, and phase behavior. Unlike resellers who forward generic paperwork, we bring the daily reality of process risks, QA controls, and incident learnings to our collaborations. Researchers often invite us into their development labs to witness process trials; fielding tough questions and refining our approach, we gain the kind of technical understanding only possible from the manufacturer’s bench.

    Our close relationship with electrochemical research groups, for example, has prompted us to tweak ionic liquid production trains on short notice, supplying custom water content, halide composition, or even optimizing for unusual parameters such as UV transparency or compatibility with exotic solvent blends. Because we maintain a healthy R&D function in-house, and actively use data from production-side incidents, a technical Q&A with us often means getting suggestions grounded in lived experience—sometimes right down to the quirks of running a particular cell design or purification method.

    Regulatory, Safety, and Environmental Responsibility—A Manufacturer’s Perspective

    On a practical level, handling and environmental disposition of ionic liquids like [C6dmim]Br create challenges at the intersection of worker safety, compliance, and facility engineering. Over years of handling solvents and ionic liquids, we’ve learned that regulatory guidelines often lag behind the real-life nuances of production and waste disposal. We set our internal exposure controls, air filtration, and waste protocols higher than minimum legal obligations, because trace contamination or spills involving viscous, sticky materials like [C6dmim]Br can persist long beyond initial cleanup. Autoclaving residues or collecting waste in inappropriate containers has burned both us and our partners; this led us to design waste streams and cleaning steps specifically for ionic liquids, rather than relying on generalized solvents handling.

    We share best practice learnings with customers, from employee PPE to storage conditions tailored for the actual climate and handling needs onsite. Open collaboration on safety has paid off over time, with reduced workplace incidents and better insurance rates. Since we own responsibility for origin and disposal, our team monitors regulatory changes, and supports traceable supply chains for critical precursors and reagents to keep products compliant—and your projects running without regulatory delays.

    Quality as a Reflection of Trusted Relationships

    Deciding to source direct from a manufacturer often boils down to more than a line on a spreadsheet. Our commitments are measured by conversations with partners solving tough problems in real time—not just by ticking off specs. The quality we deliver takes root in the discipline and pride of our team who understand every step from raw material to finished product. Reproducibility, support during challenging research pivots, and transparency in dealing with setbacks make a difference, especially as industries push for new applications in ionic liquids. Whether in kilolab scale or full production, the difference between working with a hands-on partner and relying on distant intermediaries can surface at any stage—from start-up yields to end-of-campaign equipment investigations.

    The Outlook for 1-Hexyl-2,3-Dimethylimidazolium Bromide and Next Steps

    Looking ahead, we see continued growth in the deployment of specialty imidazolium salts like [C6dmim]Br throughout chemistry and materials science. Battery makers, pharmaceutical developers, and polymer researchers require increasingly sophisticated solvating and conducting media, and shift toward production partners with the flexibility and technical grasp to address quality issues as they arise. Our feedback-driven process improvements and documented supply chain accountability give buyers the confidence to scale without the worry of batch drift, unexpected impurities, or single-source bottlenecks. Whether you are developing a new separation process, optimizing a high-performance electrolyte, or troubleshooting tough catalysis failures, our team engages every request as a new opportunity to demonstrate the value that hands-on manufacturing brings to advanced chemistry.

    Listening Shapes What We Make

    We invite ongoing dialogue with researchers, process engineers, and product developers whose standards push us to refine what we do. Each use of 1-Hexyl-2,3-Dimethylimidazolium Bromide puts our commitment to quality under the microscope, in an environment where experience, direct control, and open communication will always determine long-term value. The best solutions arise not from generic specifications, but from trusted relationships and a shared drive to solve real industrial and scientific challenges.