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2,6-Dimethylbenzonitrile

    • Product Name 2,6-Dimethylbenzonitrile
    • Alias 2,6-Xylyl cyanide
    • Einecs 207-886-5
    • 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

    228981

    Cas Number 1193-03-9
    Molecular Formula C9H9N
    Molecular Weight 131.18 g/mol
    Iupac Name 2,6-dimethylbenzonitrile
    Appearance Colorless to pale yellow solid
    Melting Point 52-56 °C
    Boiling Point 249-251 °C
    Density 1.003 g/cm3
    Solubility In Water Insoluble
    Flash Point 110 °C
    Smiles CC1=CC=CC(C)=C1C#N

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

    Packing & Storage
    Packing Amber glass bottle, 100g, tightly sealed with a screw cap, labeled with hazard warnings, manufacturer details, and chemical information.
    Shipping 2,6-Dimethylbenzonitrile is shipped in tightly sealed containers to prevent moisture and contamination, following standard hazardous material transport regulations. It should be kept away from heat, open flames, and strong oxidizers. Proper labeling, documentation, and handling precautions are essential to ensure safety during shipping. Storage in a cool, dry place is recommended.
    Storage 2,6-Dimethylbenzonitrile should be stored in a tightly closed container in a cool, dry, and well-ventilated area away from sources of ignition, heat, and incompatible materials such as oxidizing agents and strong acids. Protect from moisture and direct sunlight. Ensure proper labeling and avoid prolonged exposure to air to minimize degradation or contamination. Use appropriate chemical-resistant containers.
    Application of 2,6-Dimethylbenzonitrile

    Applications of 2,6-Dimethylbenzonitrile in Industrial Manufacturing

    2,6-Dimethylbenzonitrile is a key aromatic intermediate actively used in specialized chemical synthesis routes. Our plant-grade material supports several industrial sectors, enabling precise control over final product purity and process economics. Below we detail principal downstream applications, based on actual manufacturing demand and established sector protocols.

    1. Pharmaceutical Intermediate Synthesis

    Pharmaceutical producers directly employ 2,6-dimethylbenzonitrile for targeted synthesis of active pharmaceutical ingredient precursors, especially in antihypertensive and antineoplastic drug pathways. Our technical quality ensures compliance with multi-step hydrogenation, amination, and hydrolysis reactions used in these domains. Clients typically adjust input ratios according to desired yield and impurity profile, integrating this intermediate before cyclization or ring-substitution stages. Main focus remains on maintaining batch reproducibility, traceable impurity patterns, and low residual solvent residue to satisfy both regulatory and client-side quality audits.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Ph. Eur. (European Pharmacopoeia) quality norms
    • US FDA cGMP (21 CFR Parts 210/211)
    • Chinese Pharmacopoeia extractables/leachables limits

    Typical usage ratio

    • 5%–18% of total feedstock mass in multi-step API synthesis (ratio determined by specific target compound and reaction conditions)

    Downstream process integration

    • Introduced in primary aryl nitrile coupling for precursors
    • Utilized in Grignard and hydrogenation routes prior to ring closure
    • Monitored as a limiting reagent in batch reactors under nitrogen atmosphere
    • Batch and continuous flow adaptation based on annual volume requirements

    Final product types

    • Antihypertensive agents (e.g., angiotensin receptor blockers)
    • Antineoplastic compounds (intermediate for kinase inhibitors)
    • Central nervous system drug precursors
    • Pyridine and quinazoline derivatives used in APIs

    2. Agrochemical Intermediate Manufacturing

    Downstream agrochemical manufacturers use 2,6-dimethylbenzonitrile for controlled synthesis of advanced herbicidal and fungicidal compounds. High-purity lots with well-defined isomeric ratios support conversion into target Halo-nitrobenzene or oxime intermediates. Producers calibrate input proportion per specific active ingredient route, focusing on compliance with crop protection sector rules governing aromatic nitriles and their degradation products. Our material allows precise process integration, supporting time-sensitive multi-stage syntheses in large-scale plant operations.

    Industry compliance standards

    • ISO 9001:2015 Quality Management System for agrochemical production
    • FAO/WHO Joint Meeting on Pesticide Specifications (JMPS)
    • REACH registration for aromatic nitriles
    • Chinese GB 20398 for pesticide technical material purity

    Typical usage ratio

    • 7%–22% of total formulation mass; level controlled by target herbicide or fungicide molecular backbone

    Downstream process integration

    • Charged at condensation stage before halogenation or reduction
    • Participates in controlled pH reactors with metered dosing
    • Enters synthesis at intermediate stage for cyanide-based routes
    • QC monitored for isomeric purity before downstream conversion

    Final product types

    • Herbicidal technical materials (including pyridinecarboxylate herbicides)
    • Fungicide synthetic intermediates
    • Plant growth regulator candidates
    • Seed coating precursor compounds

    3. Liquid Crystal Material Synthesis

    Producers of advanced display technologies integrate our material during synthesis of rigid-core aromatic monomers and mesogenic units used for liquid crystal displays (LCDs). High isomeric purity and minimal trace impurities are critical here to avoid display color shift and to ensure uniform birefringence properties in final liquid crystal mixtures. Industrial clients utilize this intermediate in Suzuki or Heck coupling chemistries, with attention to temperature control and reaction atmosphere mandates. Our QC system guarantees batch-lot traceability, supporting major display panel manufacturers’ supplier approval processes.

    Industry compliance standards

    • RoHS 2011/65/EU for display industry chemical content
    • IEC 61249-2-21 ppm limits for halogens and organics
    • ISO 9001 with advanced traceability for electronic chemicals
    • Japanese JIS C standards for LCD-grade organic material purity

    Typical usage ratio

    • 3%–14% by molar input in liquid crystal monomer or dimer backbone formation; tailored for each display grade product

    Downstream process integration

    • Integrated at solvent-free aromatic coupling stage
    • Subjected to column purification for LCD-grade requirements
    • Enters controlled nitrile-benzene polymerization reactors
    • Trace remains monitored in high-purity solvent systems

    Final product types

    • Nematic and smectic phase liquid crystals for TV and mobile screens
    • Ferroelectric liquid crystal mixtures
    • Reactive mesogen precursors
    • Color filter matrix components for advanced LCDs

    4. High-Performance Polymer Precursor Production

    Specialty polymer manufacturers employ our material as a nitrile monomer for the synthesis of rigid-chain aromatic polyamides and high glass-transition temperature (Tg) polymers. Use centers on pre-polymerization steps that require stable aromatic nitrile presence, promoting heat resistance and chemical stability in end-use materials. Batch input varies according to backbone design, but purity and moisture control remain key due to downstream process sensitivities. Strict analytical and moisture barriers underpin integration into polycondensation reactors and continuous polymer production lines.

    Industry compliance standards

    • UL 94 flammability standards for polymer materials
    • ISO 17025 for quality assurance in specialty polymer analytical labs
    • REACH SVHC (Substances of Very High Concern) non-inclusion
    • ASTM D256 test methods for polymer impact resistance

    Typical usage ratio

    • 8%–15% of total monomer mass in aromatic polyamide or polyester synthesis; final ratio specified by target mechanical properties

    Downstream process integration

    • Added at monomer blending and pre-polymerization stage
    • Dehydrated under vacuum prior to high-temperature reaction
    • Mixed with diamines or diols for tailored molecular weight control
    • QC-checked for oligomer content and unreacted monomer concentration

    Final product types

    • High-Tg polyamides for film and fiber markets
    • Engineering thermoplastic compounds
    • Heat-resistant insulation foils
    • Specialty copolymers for electronics and aerospace

    5. Fine Chemical Building Block for Dye and Pigment Synthesis

    Leading dye houses incorporate this raw material during synthesis of high-chromatic azo and anthraquinone pigment intermediates. Input stream typically undergoes aromatic substitution or reduction reactions tailored for final color properties and solubility. Adjustments in the initial charge and subsequent reaction times depend on customer-specified color shade and particle dispersion standards. Stringent residual solvent and heavy metal controls ensure output safety for both textile and specialty ink sectors.

    Industry compliance standards

    • OEKO-TEX Standard 100 for restricted substances in textile applications
    • EN 71-3 for toy and pigment safety
    • EU Regulation 1907/2006 (REACH) for pigment chemical safety
    • ISO 105-C06 for wash fastness of textile dyes

    Typical usage ratio

    • 4%–11% of total dye or pigment batch by mass, optimized according to target chromophore intensity and base color

    Downstream process integration

    • Charged at initial coupling reaction for aryl group formation
    • Treated under acidic or basic conditions in batch reactor lines
    • Isolated through crystallization and high-speed filtration
    • Tested for color stability and dispersibility post-synthesis

    Final product types

    • Disperse dye intermediates for polyester fabrics
    • High-performance pigments for industrial coatings
    • Digital printing inks for textiles and packaging
    • Colorants for plastics and specialty resins
    Free Quote

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    Certification & Compliance
    More Introduction

    2,6-Dimethylbenzonitrile: Fine Chemical for Advanced Synthesis

    Hands-On Insights from the Manufacturer’s Bench

    2,6-Dimethylbenzonitrile, a product we manufacture in-house through years of consistent optimization, has become a staple in organic laboratory and industrial settings where precision and purity cannot slip. We use purified raw materials and a solvent process that reduces colored byproducts, so every batch meets high-end requirements for downstream chemical manufacturing. In our experience, even small variations in lots can disrupt scale-up, so we focus on keeping our product’s physical form, melting point, and purity above 99%. Customers regularly comment on the advantage of cleaner reactions thanks to the fewer residuals and low water content we guarantee.

    Role in Synthesis and Key Applications

    Chemists have long relied on 2,6-Dimethylbenzonitrile as a key intermediate—especially for building specialty aromatics and pharmaceuticals. We’ve watched the shift: more demand for advanced intermediates, where a single impurity can compound risk or halt development altogether. This compound’s ortho-dimethyl structure makes it stand out in selective functionalization, and our process prevents unwanted isomers from creeping in. Researchers use our product in catalytic reactions, dye precursors, and agrochemical R&D. In the past year, several formulators in fragrances and fine chemical fields told us that our product’s trace impurity profile solved polymerizations that kept failing with commercial alternatives.

    Our Manufacturing Practice Sets Us Apart

    We don’t standardize just for spec sheet compliance—we track consistency lot to lot, monitoring factors like color, trace metals, and particle size using real-world usage feedback. Over the years, we found that unsupported batches led to clumping or uneven melts at elevated temperatures. Our refinement protocols now avoid those pitfalls, providing chemists and engineers a predictable starting point. We have worked directly with formulating specialists in both Europe and North America, helping to calibrate purity benchmarks based on their pilot data, and then ramping up production without the hiccups typical of market-sourced material.

    Why Structure and Purity Matter

    Many users underestimate how small differences in 2,6-xylyl cyanide impact end results. Our 2,6-Dimethylbenzonitrile, strictly controlled for meta and para isomer contamination, allows for more reliable downstream modifications—especially for lithium or Grignard reagents. Lesser grades often waste hours with purification and column loss; by the time this product reaches your reactor, it’s already been checked with in-house NMR and GC-MS, and verified not just to spec, but for stability and reactivity under customer-defined test reactions. One client, a developer for OLED materials, flagged socketing issues with off-spec nitriles from generalist suppliers. We collaborated by providing tailored analytical breakdowns. Their yield increased, and complaint tickets dropped for six months running.

    Distinct Advantages Over Commodity Nitriles

    Our plant produces a focused range of specialty aromatics, so instead of mass blending, we optimize for reproducible batches. With 2,6-Dimethylbenzonitrile, this makes a difference—no broad melting drift, no “unknowns” in GC trace, and a packed certificate that actually matches factory data. Traditional commodity nitriles come lined with variable content and untraceable origin, which ruins scale-up. Because we monitor the transformation of raw xylene feeds, we can catch anomalies before they propagate through user workflows.

    Batch Data—What Our Users Actually See

    Chemists comment that our material features an off-white crystalline appearance, rapidly dissolves in standard solvents, and flows without irregular cake formation. We've observed in practice that granular size uniformity makes weighing and processing easier, reducing static issues common in high-throughput labs. Common contaminant targets—e.g., methylbenzoic acids and unreacted starting material—test below quantitation limits in the final product. Several pharmaceutical groups switched to our nitrile specifically to limit repeat purification and avoid ambiguous spots during reaction monitoring. Over the course of 5 years, we've tracked improved batchwise reproducibility across client syntheses, even in sensitive halogenation and reduction steps.

    Key Differences from Other Benzonitriles

    We’ve tested both 2-Methyl and 4-Methylbenzonitrile side by side. The 2,6-dimethyl variant delivers more predictable reactivity in nucleophilic displacement or ortho-functionalization, and less byproduct formation under standard coupling conditions. This configuration proves preferable in heterocycle construction and dye chemistry, where other isomers require longer purification and show more off-pathway reactivity. During an industrial screening for light-fast dyes, our customers found 2,6-Dimethylbenzonitrile produced sharper yields and needed fewer post-synthesis treatments compared with monosubstituted nitriles. Our team has helped academic partners scale multi-gram syntheses with a direct switch to our material, reporting both higher yields and a blunter impurity spike—critical for analytical validation in regulatory filings.

    Troubleshooting Everyday Production Issues

    In some cases, operators run into incomplete conversions owing to batch-specific trace water. We utilize punctuated drying cycles and closed-transfer equipment between crystallization and packaging, cutting down ambient uptake. On rare occasions, static charge can build up if the product isn’t handled properly in dry environments, so we’ve issued workflow tips and anti-static packaging solutions based on real-time user feedback. During transport, we use inert liners, which customers have confirmed through returned packaging assessments, greatly reduce particle oxidation and clumping.

    Why End-Users Come to Us

    Project leaders consistently look for single-vendor traceability and rapid feedback if their reactions take an unexpected turn. We maintain production logs from raw feed to packaging and give access to batch-level analytics from initial inquiry. Where multinational distributors often provide generic certificates, our product ships with the same data our own QC team uses on-site. A major specialty chemical developer recently reported that their tech transfer saw no purification steps dropped or red flags in regulatory review—a result they attributed to sinking risk with a single-origin supply.

    Field Performance—Direct Customer Experience

    Repeat users, particularly in small molecule aggregation and custom intermediate synthesis, have said our 2,6-Dimethylbenzonitrile shaved weeks off program schedules by removing purification roadblocks. At pilot plants, operators saw marked decreases in reactor fouling, crediting the lack of trace amines and residual color. Our close QC keeps spectral drift and fingerprint impurities in check over hundreds of kilos back-to-back. Customers in polymer additive R&D highlight that the product stays consistent even when stored for several months under recommended conditions—no adverse changes in color or drop in assay, even after repeated handling.

    Safety, Handling, and Real-World Use

    Our facility develops procedures with the end-user’s workflow in mind. Most ask about best handling practices, so we offer direct support for storage and use in dry rooms or when scale-up requires closed transfer. Because nitriles are potent, proper ventilation and PPE is standard, but we focus on providing detailed dust minimization protocols learned from years of pilot and full plant operation. Technicians benefit from granular, not powdery, bulk material, reducing both airborne loss and operator exposure. Customers implementing automated feeding at bench or kilo scale have seen smoother dosing into reactor systems, with less dust escape and lower risk of cross-contamination with other benzonitrile isomers.

    Regulatory Relevance and Documentation

    As supply chain compliance tightens, pharma and specialty clients want complete production data. We keep batch records on-hand, including full trace impurity and residual solvent logs. New regulatory reporting often calls for certificate tie-back and origin history, and our practice of retaining all analytic and process logs helps users compile filings with less back-and-forth. Developers working under FDA and EMA guidance regularly confirm our documentation meets their traceability hurdles, thanks to direct-from-line confirmation and user-requested data points like residual solvent or heavy metal content.

    Continuous Process Improvement

    Because downstream project success depends on reagent quality, we invest heavily in plant-level upgrades. Three years ago, a user flagged trace contamination that arose in high-energy cyclization—feedback that prompted a multi-stage filter and improved drying regime in our plant. Since then, not only did downstream complaints vanish, but several clients expanded usage, and we further dialed down undetected impurity carryover. Our plant team meets quarterly to review batch metrics and user logs, looking for trends in complaints or process hiccups. Every change comes back to how our product actually performs under real-word synthesis conditions.

    Environmental Responsibility and Sustainability Steps

    2,6-Dimethylbenzonitrile production leaves a footprint, like any specialty chemical. We implemented closed-loop solvent recycling, and now internal audits show a 30% cut in solvent waste over the last two years. Our spent byproduct management follows full local statutory standards, with on-site distillation and neutralization. We also switched some parts of plant energy over to lower-carbon sources, as measured by independent annual audits. Clients value this effort in their own sustainability metrics, as they prepare for more ESG-related regulatory asks.

    Supplying Consistency—Not Just Compliance

    Many manufacturers stick to producing “within tolerance” without considering the true needs of organic synthesis teams. Our approach stems from daily inquiries and custom requests we’ve received since launching this nitrile at commercial scale. Bringing together feedback from medicinal chemists, process engineers, and pilot plant operators lets us shape the product so pure that repeat purification becomes unnecessary for most users. This collaborative feedback loop keeps our batches reliable no matter the end-use—be it in chromophoric intermediates, or in high-strength plastics research, or new crop protection actives.

    Open Dialogue with Our Industry Partners

    Trust comes from transparency and openness. Our team remains reachable to resolve questions from purchasing, regulatory, and technical specialists—not through generic “contact us” forms, but by direct communication with chemists who know our process. User experience shapes every process change. Regular client meetings have led to packaging tweaks and batch release modifications so that both small-lab and full-scale customers gain the convenience they actually want. Sustained partnerships, some over a decade long, have grown from our direct commitment to quality and ongoing real-world support.

    2,6-Dimethylbenzonitrile—Enabling Innovation

    Progress in multiple sectors depends on reagents that don’t add risk or complexity to product pipelines. We see 2,6-Dimethylbenzonitrile as more than a commodity—it’s a tool that, when made correctly, gives chemists the freedom to innovate and scale without the bottlenecks of inconsistent inputs. Our daily practice and decades on the production floor confirm this: small details, controlled at the source, make the biggest difference to downstream efficiency and discovery.