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2,3,6-Trimethylquinoxaline

    • Product Name 2,3,6-Trimethylquinoxaline
    • Alias Quinoxaline, 2,3,6-trimethyl-
    • Einecs 242-654-2
    • 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

    422517

    Chemical Name 2,3,6-Trimethylquinoxaline
    Molecular Formula C11H12N2
    Molar Mass 172.23 g/mol
    Cas Number 6551-61-5
    Appearance Yellow solid
    Melting Point 122-126 °C
    Boiling Point 355 °C
    Density 1.13 g/cm3
    Solubility In Water Insoluble
    Smiles Cc1c(C)ncc2ncc(C)cc12
    Inchi InChI=1S/C11H12N2/c1-7-6-9-11(4)13-8(2)5-10(9)12-7/h5-6H,1-4H3
    Pubchem Cid 194810
    Refractive Index 1.675 (predicted)

    As an accredited 2,3,6-Trimethylquinoxaline factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 100g amber glass bottle with a secure screw cap, labeled "2,3,6-Trimethylquinoxaline, 98%," featuring hazard and handling information.
    Shipping 2,3,6-Trimethylquinoxaline is shipped as a stable organic compound, typically packaged in tightly sealed containers to prevent moisture or contamination. Transport should comply with relevant regulations, ensuring the container is clearly labeled. Store and ship in a cool, dry location, away from strong oxidizing agents and direct sunlight. Handle with standard laboratory precautions.
    Storage 2,3,6-Trimethylquinoxaline should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Protect the chemical from moisture and direct sunlight. Ensure proper labeling and keep it away from food and drink. Follow all local regulations and safety guidelines for storage.
    Application of 2,3,6-Trimethylquinoxaline

    Applications of 2,3,6-Trimethylquinoxaline in Industrial Manufacturing

    2,3,6-Trimethylquinoxaline serves essential roles in regulated fine chemical industries. Below we outline specific downstream applications, with detailed process and compliance notes for each industrial segment.

    1. Pharmaceutical Intermediate for API Synthesis

    Pharmaceutical manufacturers use 2,3,6-Trimethylquinoxaline as a key intermediate in the synthesis of several quinoxaline-based active pharmaceutical ingredients. Molecule modification starts at this step to produce specific derivatives incorporated into compounds with antimicrobial, antiviral, or anticancer applications. Our manufacturing ensures low residual solvents and tight isomer specifications required for consistent downstream reactivity and regulatory clearance at the scale required for commercial drug production.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • 21 CFR Part 211 (Current Good Manufacturing Practice for Finished Pharmaceuticals, FDA)
    • European Pharmacopoeia and USP standards for residual solvents and heavy metals
    • Audit readiness for pharmaceutical client qualification

    Typical usage ratio

    • 2–15% by mole in target reaction systems, adjusted per synthetic route and impurity profile requirements

    Downstream process integration

    • Initial condensation step for forming heterocyclic scaffolds
    • Introduced into fine chemical reactors under inert atmosphere
    • Monitored for trace impurities at each transformation
    • QC release tied to HPLC and NMR verification before hand-off to API finishing

    Final product types

    • Antimicrobial APIs (e.g., fluoroquinolones derivatives)
    • Tuberculosis medications
    • Experimental oncology drugs
    • Intermediates for central nervous system agents

    2. Agrochemical Synthesis (Pesticides and Fungicides)

    Major agrochemical producers incorporate this raw material in the synthesis of specialty pesticides and fungicidal compounds. The quinoxaline ring system enhances biological activity and selectivity in target crop protection chemicals. Consistent batch quality and trace impurity profiles are crucial for regulatory approval in global markets, especially when exported under strict MRL guidelines.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management in Agrochemical Manufacturing)
    • FAO/WHO specifications for pesticide active ingredients
    • REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals, European Union)
    • OECD guidelines for chemical testing

    Typical usage ratio

    • 1–8% of total reactant mass depending on molecule design and crop target spectrum

    Downstream process integration

    • Utilized in cyclization stages to build heterocyclic agrochemical scaffolds
    • Dosed into large-scale reactors under controlled temperature and pH
    • By-product monitoring critical for downstream waste treatment and purification
    • QC includes residue analysis prior to formulation into technical product

    Final product types

    • Broad-spectrum fungicides (e.g., quinoxaline-based compounds)
    • Seed dressing agents
    • Systemic insecticides with enhanced crop uptake
    • Synergistic formulation components for plant protection

    3. Dye and Pigment Manufacture

    The dye sector employs 2,3,6-Trimethylquinoxaline in the synthesis of specialty pigment intermediates and high-performance dyes, particularly where stable nitrogen-containing ring structures impart light-fastness and unique color profiles. Control over methyl substitution and isomeric purity supports the consistency required for downstream blending, critical for mass coloration and printing inks.

    Industry compliance standards

    • EN 71-3 (Safety of Toys: Migration of Certain Elements, for colorants in toys)
    • ISO 9001:2015 (Consistent Quality Management in Dye Manufacturing)
    • REACH Annex XVII (Restrictions on Pigment Use in EU)
    • SGS certification for heavy metal content

    Typical usage ratio

    • 3–12% weight of total pigment mass, adjusted for shade depth and process economics

    Downstream process integration

    • Functioning as a precursor in diazotization and subsequent azo coupling reactions
    • Introduced during batch pigment synthesis under acidic conditions
    • Allows downstream purification steps (distillation, crystallization) to achieve color standard
    • Batched for scale-up in continuous pigment manufacturing lines

    Final product types

    • High fastness printing inks (textile and packaging)
    • Automotive and industrial coatings
    • Special effect dyes for plastic masterbatches
    • Toner pigments for digital printing systems

    4. Electronics and Polymeric Material Additives

    Compounders in advanced materials fields use this quinoxaline derivative for electronic polymers, especially in organic semiconductors and specialty engineering plastics. Its electron-donating properties enhance charge mobility and stability in complex polymers, supporting development of robust OLED products and high-performance blends. Strict raw material traceability allows downstream partners to meet both regulatory requirements and demanding technical standards in electronics manufacturing.

    Industry compliance standards

    • RoHS (Restriction of Hazardous Substances for Electronic Components, EU)
    • IEC 61249-2-21 (Halogen-free electronic material safety standard)
    • ISO 14001 (Environmental Management for Electronics Industry)
    • UL 94 (Plastics Flammability Standard for Polymer Compounds)

    Typical usage ratio

    • 0.5–5% by weight, determined by electrical property targets and film uniformity needs

    Downstream process integration

    • Blended with monomer feeds during polymerization or in masterbatch concentrates
    • Used in solution processing for conductive film deposition
    • Quality control for moisture and particle contamination to prevent defects in thin films
    • Integrated at pilot and commercial scale by electronics OEM partners

    Final product types

    • OLED (Organic Light-Emitting Diode) display elements
    • High-temperature engineering plastics
    • Thin-film transistors for flexible electronics
    • Conductive adhesives and encapsulants
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    Competitive 2,3,6-Trimethylquinoxaline prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    2,3,6-Trimethylquinoxaline: Trusted Performance, Delivered by the Source

    Our Approach to Consistent Chemical Quality

    At our facility, chemical production goes beyond reactors, pumps, and protocols. Over many years of manufacturing 2,3,6-Trimethylquinoxaline, we have seen requirements, applications, and regulations intensify, so our methods have grown along with those demands. Our team holds itself accountable for not only batch-to-batch reproducibility but also for understanding exactly how a product like 2,3,6-Trimethylquinoxaline is used well after it leaves our site. This mindset drives every step in our production chain, starting with raw material selection and ending at safe, secure shipment.

    Key Attributes: Stability and Purity You Can Validate

    2,3,6-Trimethylquinoxaline carries the CAS number 2405-28-7 and has earned a place in several advanced chemical syntheses. This compound appears as an off-white to pale yellow crystalline substance, reflecting both purity and careful isolation. We consistently maintain purity levels above 99% (by HPLC), recognizing that even minor impurities can hinder complex downstream processes. In our plant, we back every batch with analytical validation from in-house and third-party laboratories—one area where we do not cut corners, no matter the pressure on timelines or costs.

    The molecular formula C11H12N2 gives 2,3,6-Trimethylquinoxaline both rigidity and versatility; three methyl groups at positions 2, 3, and 6 contribute to unique steric effects compared with the simpler quinoxaline backbone. This distinction matters for process chemists and formulators seeking specific reactivity or solubility profiles. Even small structural differences bring pronounced changes to outcomes, whether in pharmaceuticals, dyes, or agrochemical intermediates.

    From Raw Materials to Final Product: Traceability and Transparency

    Several steps in building 2,3,6-Trimethylquinoxaline test a chemical producer’s priorities. We prioritize starting raw material assessment. Aromatic amines and diketones demand high stability; so we draw on well-established suppliers who meet ISO and GMP principles. Each incoming material batch enters our traceability system, ensuring that purity and handling records anchor every lot of finished product.

    Reactor loading, solvent choices, and temperature profiles are not just technical considerations; they’re matters of integrity for every employee. Our team follows a detailed log of each synthesis, reviewing spectra at every critical stage. By sampling intermediates, monitoring crystal growth, and taking direct part in downstream washing and drying, we keep a close grip on particle size and appearance. Some customers have stringent requests for particle morphology, so we document our drying and milling routines, ready to adjust under mutual agreement.

    Why Structure Matters: Understanding the 2,3,6-Trimethylquinoxaline Difference

    Each methyl group on the quinoxaline ring tells a story. Adding substituents at the 2, 3, and 6 locations reduces the likelihood of unwanted reactions during later synthesis steps. This substitution pattern gives our quinoxaline an edge in stability, especially under elevated temperature or catalytic conditions. Compounds such as unsubstituted quinoxaline might fit basic needs, but skipping these methyl groups can result in side-product formation, longer synthesis times, and less predictable process yields.

    This structure-action relationship shows its value in pharmaceutical research. Some target molecules require a selective quinoxaline motif, resistant to oxidation and prone to well-behaved coupling. Academic research and process development teams often share their findings with us, confirming that the trimethyl version cuts down on troubleshooting and streamlines project timelines. This advantage grows even more critical when project scale increases, reducing the risk of waste and costly purification.

    Agrochemical and dye developers also report tangible improvements from this specific molecule. They note cleaner spectra and suppressed formation of colored tars—important for both aesthetics and toxicity screening. Being the original manufacturing source, we regularly consult with technical buyers and R&D specialists about how subtle structure differences affect not only yield but also environmental impact and process safety.

    Applications Driven by Industry Needs

    Most orders for 2,3,6-Trimethylquinoxaline have one common thread: the need for a consistently high-purity intermediate that holds up to rigorous chemical transformations. Our regular customers span sectors, but three fields keep this product in continual demand: pharmaceuticals, specialty dyes, and crop protection chemistry.

    Pharmaceutical development often turns to quinoxaline cores when scaffolding new heterocycles or fine-tuning small molecules for targeted action. The presence of three methyl groups offers researchers a subtle means to tune electronic distribution along the ring, leading to more selective syntheses and, at times, improved biological profiles. Our experience working with both process- and R&D-focused teams has shown how batch purity can make or break a pilot campaign or clinical scale-up effort.

    Specialty dye manufacturers also rely on the strong chromophore modification ability of trimmed quinoxaline rings. Our partners emphasize lightfastness and hue reproducibility, traits that degrade rapidly when contaminants are present. Through controlled crystallization and prompt shipment in moisture-resistant packaging, we minimize variability and enable new dye innovations that perform as consistently in sunlit fields as they do in lab fluorescence readings.

    In crop science, chemical stability and minimal impurity levels translate directly to regulatory clearance and product lifetime. Environmental chemists often visit our site, reviewing our waste management and environmental controls. We are transparent about solvent handling, emissions, and recycling methods. Buyers gain confidence, not only from certificates but also from the open records of our continuous improvement programs. We have learned from past challenges—in equipment upgrades, filtration steps, and staff training—making hard-won gains in output quality and worker safety.

    Packaging, Storage, and Delivery—Directly from Production Line

    True reliability on a production level extends to how 2,3,6-Trimethylquinoxaline arrives at customer facilities. Through years of direct feedback, we’ve shaped our packaging formats to minimize breakage, contamination, and loss. Drums and fiber containers meet not only regulatory but practical requirements for worker handling. Each label traces its lot back to a synthesis campaign filed in our on-site archive. This means accountability from the moment product leaves our plant to the day it ends its role in another company’s process.

    We devote considerable attention to warehouse conditions, knowing that unwanted exposure to air, light, or fluctuating temperature can quickly turn a high-purity solid into a risky input. Desiccation protocols and nitrogen purging stand at the center of our storage method, matched with regular monitoring by experienced technicians. When customers demand urgent shipment, we offer specialized freight solutions that keep the product in its optimal state, even across long distances and shifting climates.

    This logistics approach comes from our direct experience filling both standard and custom orders. We treat every order as a new test—knowing that even minor damage or moisture absorption can trigger a chain of batch failures for our customer. Returns and customer complaints offer hard lessons; we have built procedures to track and address the rare quality problem within hours, not days. The goal is simple: remove worry, build trust, and meet deadlines with the same predictability that marks our production line.

    Regulatory Scrutiny and Third-party Verification

    Today’s chemical market puts regulatory compliance front and center. Over the years, we have viewed audits and inspections not as a hurdle, but as a means to sharpen internal methods. 2,3,6-Trimethylquinoxaline serves customers who face regulatory checks at every stage—from raw intake, through final product authorization, to environmental audit cycles.

    Complying with evolving REACH and GHS listings involves more than documentation. Compliance extends into our approach to health, safety, and environmental impacts inside and outside our gates. We provide dedicated support for material registration, data sharing, and site audits, which has helped us catch small inconsistencies early.

    Independent labs frequently validate our analytical data, and we keep open lines with standard-setting bodies to ensure methods keep pace with real-world scrutiny. Over time, an attitude of ongoing learning built around regulation gives us early warning, helping avoid shipment holds, customer disputes, and requalification. Our team meets directly with inspectors and customer technical groups—rarely relying solely on correspondence—and this hands-on transparency breeds stronger partnerships.

    Safety Starts at the Source

    Firsthand experience managing a chemical production floor teaches the importance of safety culture. Long-term operators recount scenarios where a shortcut could have led to a product contamination or worse. That history shapes our protocols around reactive handling, dust mitigation, and equipment cleaning. Only operators with a proven record of care and precision oversee key batch operations involving 2,3,6-Trimethylquinoxaline.

    Our site’s safety record is reflected in up-to-date training, real-time monitoring tools, and regular cross-team drills. Every mishap—large or small—triggers a structured learning session, not a paper trail that gets shelved. Over time, we have seen how a single lapse in containment or identification can undermine trust, both inside our team and with outside partners.

    From glove selection to spill response to documentation, manufacturing this compound demands a workforce with real ownership. Visitors touring our line often comment on the visible pride and shared commitment among team members. Those values contribute directly to safe, reliable product leaving our gate each week.

    Reducing Environmental Risk and Waste

    Sourcing, synthesizing, and purifying 2,3,6-Trimethylquinoxaline inevitably generate some waste; we don’t hide from this reality. Years ago, solvent loss and mother liquor disposal posed significant challenges to our operation and the environment. Through investment in recycling and scrubbing equipment, our facility now reclaims a majority of spent solvents and reduces discharge below regional thresholds.

    All new process changes pass both lab-scale and pilot testing, reviewed by HSE leaders and front-line technicians. Our team has challenged itself to cut utility usage in every step of the synthesis, from heating profiles to nitrogen handling. Regular audits—some internally driven, some by external clients—have mapped out time and money-saving changes, giving us the dual benefit of cost savings and improved environmental compliance.

    Each change in our environmental controls originated with day-to-day feedback from operators. Where a vent scrubber once failed after a power cut, today a layered, fail-safe system stops fugitive emission before it enters the atmosphere. Process water that once required trucking off-site for treatment now feeds into an on-site system, reducing both cost and carbon footprint. That practical approach to waste and resource management means customers and partners don’t bear hidden costs downstream.

    Unique Challenges and Adaptation: Lessons Learned

    No chemical process remains static, and quinoxaline manufacturing has its own share of trial and error. Over the years, equipment updates, raw material substitutions, and unexpected regulatory rulings have forced adaptations. We remember specific batches from years past, where subtle changes in energy usage or crystallization method led to color variance or impurity spikes. Those episodes brought out sharp collaboration between R&D, production, and technical support, often turning small setbacks into wider improvements.

    Some customers have approached with requests for alternate methylation patterns or for blends containing both 2,3,6-Trimethylquinoxaline and another related compound. We give realistic guidance—drawing on our data archives and first-hand run experience—making sure buyers understand the yield, handling, and timeline effects of such changes. Proposals that once looked attractive on paper sometimes fail under pilot runs, leading to recalibrated expectations and renewed focus on basics like throughput and stability.

    Every successful run—particularly those challenging campaigns under tight timelines—grows from honest appraisal of risk, resource, and learning. Our version of “operational excellence” boils down to listening to our team, suppliers, and customers with an openness to continuous change, not dependency on a fixed method. The evolution of our 2,3,6-Trimethylquinoxaline process is a direct reflection of that mindset.

    Direct-to-User Connection: Fewer Steps, Better Feedback

    We manufacture and ship without layers of brokers or traders, keeping lines open from our control room straight to technical support at the buyer’s site. Engineers and chemists with years on the job field technical questions, know our processes inside out, and field customer issues without scripted answers. That direct connection means process improvements find their way quickly into routine production. Many customers have become long-term partners, collaborating with us on new formulations, early troubleshooting, and yield optimizations.

    Just as buyers need a product free from contamination or inconsistency, they also seek responsiveness when a change in project scope lands unexpectedly. Our direct feedback loop has shortened cycle times on everything from certificate turns to custom packaging requests. Each success stacks a little more trust into the relationship and helps grow the next round of innovation—whether pure R&D or production at country-scale quantities.

    Looking Ahead: Building on Past Experience

    At its core, the story of our 2,3,6-Trimethylquinoxaline production comes from the daily routines and lived experience of chemical makers who know the impact of each decision. Chemical markets shift, regulations evolve, and product uses expand; we anchor our response in knowledge built batch by batch. Looking at the demands of future customers, we see room for new application development, smarter waste handling, and even sharper attention to sustainable sourcing.

    Staying competitive as an original chemical manufacturer isn’t just about larger reactors or faster turnaround, it’s about every person who takes responsibility at each stage. Our path with 2,3,6-Trimethylquinoxaline will keep evolving, led by a team committed to honest, direct work—the kind that closes the gap between plant and end product.