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2,6-Dimethylphenyl Isocyanate

    • Product Name 2,6-Dimethylphenyl Isocyanate
    • Alias 2,6-Xylyl isocyanate
    • Einecs isocyanate
    • 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

    490583

    Cas Number 2459-10-1
    Molecular Formula C9H9NO
    Molecular Weight 147.18 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 112-114°C at 15 mmHg
    Density 1.05 g/cm³ at 25°C
    Refractive Index 1.567
    Flash Point 108°C
    Solubility In Water Reacts with water
    Synonyms 2,6-Xylyl isocyanate
    Ec Number 219-564-6

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

    Packing & Storage
    Packing A 100-gram amber glass bottle, tightly sealed with a screw cap, labeled "2,6-Dimethylphenyl Isocyanate" and hazard warnings.
    Shipping 2,6-Dimethylphenyl Isocyanate is shipped as a hazardous material, typically in tightly sealed, chemically-resistant containers to prevent moisture and air exposure. Proper UN labeling, safety documentation (SDS), and temperature control during transit are required. Handling requires PPE and compliance with local, national, and international regulations for toxic and reactive substances.
    Storage 2,6-Dimethylphenyl Isocyanate should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of moisture, heat, and ignition. Keep it away from incompatible substances such as acids, alcohols, amines, and strong oxidizers. Protect from direct sunlight and store under inert atmosphere, if possible, to prevent decomposition or hazardous chemical reactions.
    Application of 2,6-Dimethylphenyl Isocyanate

    Applications of 2,6-Dimethylphenyl Isocyanate in Industrial Manufacturing

    2,6-Dimethylphenyl Isocyanate serves as a key intermediate for specialized polymer systems and coating materials where selectivity, reactivity, and thermal properties require precise molecular design. As an original manufacturer, we provide this isocyanate grade purpose-built for demanding industrial synthesis, enabling controlled functionality in formulated products. The following sections describe established application routes, with specific technical guidance for formulation and compliance in each downstream segment.

    1. Specialty Polyurethane Elastomer Production

    2,6-Dimethylphenyl Isocyanate provides a differentiated aromatic isocyanate backbone in polyaddition systems for thermoplastic and cast polyurethane elastomers targeting high load-bearing, abrasion, and hydrolysis resistance. Polyurethane processors select this monomer to tailor hardness, flex-fatigue stability, and clarity in applications where conventional MDI or TDI bases are insufficient. It is directly introduced in the prepolymer stage and affects the crosslinking profile and resulting mechanical behavior.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • IEC 60068 (environmental durability for elastomers)
    • REACH Regulation (EC) No. 1907/2006 Annex XVII (restrictions on isocyanates)
    • EN 71-3 (Toy safety, migration of certain elements, for elastomeric components in toys)

    Typical usage ratio

    • 5–20 wt% of total isocyanate component; the exact percentage depends on desired hardness and elongation profile and is adjusted in relation to polyol molecular weight and crosslinker type.

    Downstream process integration

    • Integrated at the prepolymer preparation stage, typically reacted at 70–90°C with polyols in a nitrogen environment before downstream curing and demolding.

    Final product types

    • High-resilience car suspension bushings
    • Mining screen panels
    • High-clarity polyurethane rollers
    • Abrasion-resistant conveyor belt covers

    2. High-Performance Polyisocyanurate Rigid Foams

    In rigid foam applications where flame retardance, dimensional stability, and fine cell morphology are critical, formulators blend 2,6-Dimethylphenyl Isocyanate in polyisocyanurate (PIR) systems. It serves as a specialty modifier for aromatic isocyanate blends, improving burn-through resistance and closed-cell content compared with conventional diisocyanates. Foam manufacturers incorporate it in panel, pipe, and block foam production lines.

    Industry compliance standards

    • EN 13165 (Thermal insulation products for buildings – Factory made rigid polyurethane foam products)
    • ASTM C591 (Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation)
    • FM 4880/UL 723 (Flame and smoke standards for insulation materials)
    • REACH SVHC compliance for isocyanates

    Typical usage ratio

    • 2–8 parts per hundred resin (phr) alongside MDI or PMDI; the balance is chosen by target foam density and fire performance grades.

    Downstream process integration

    • Charged directly into the isocyanate blend prior to continuous slabstock or discontinuous block foaming; processed at 35–55°C under controlled humidity and catalyst loading.

    Final product types

    • PIR sandwich panels (cold storage construction)
    • Pipe insulation sections
    • PIR-based fire door cores
    • Roofing board insulation

    3. Specialty Coating Hardener and Crosslinker Systems

    Advanced coatings manufacturers formulate 2,6-Dimethylphenyl Isocyanate into blocked and non-blocked isocyanate hardener systems for use in industrial bake-cured coatings, can coatings, appliance finishes, and automotive primers. It ensures superior yellowing resistance and pot life stability while enabling a high glass transition temperature suitable for long-term exposure applications. This isocyanate grade enters directly as the reactive curing component in polyol- or acrylic-based coating matrices.

    Industry compliance standards

    • ISO 12944 (Corrosion protection of steel structures by protective paint systems)
    • FDA 21 CFR 175.300 (Indirect food additives: resinous and polymeric coatings – for can coatings)
    • GB 18581-2020 (Limit of harmful substances in architectural coatings, China)
    • VOC regulatory compliance, EU Decopaint Directive 2004/42/EC

    Typical usage ratio

    • 8–20% of the total hardener content, depending on required crosslinking density, film thickness, and final dry time profiles.

    Downstream process integration

    • Dispersed into the hardener component under mild heating (40–60°C) before mixing with resin and pigment suspensions, immediately preceding application onto substrates.

    Final product types

    • High-durability appliance topcoats
    • Food-contact compliant can interior coatings
    • Scratch-resistant automotive OEM primers
    • Architectural curtain wall coatings

    4. Thermosetting Adhesive Formulations

    Chemical processers use 2,6-Dimethylphenyl Isocyanate in specialty thermosetting adhesives for substrates requiring exceptional chemical resistance and high modulus bonding, such as metal, glass, and advanced composites. Its reactivity profile supports balanced cure kinetics in single- and dual-component adhesive systems, providing resistance to water, oils, and solvents that surpasses aliphatic isocyanate alternatives. The material is utilized in direct admixture during adhesive synthesis prior to packaging.

    Industry compliance standards

    • ISO 4587 (Adhesives – Determination of tensile lap-shear strength)
    • RoHS Directive 2011/65/EU (for electronics and electrical equipment adhesives)
    • ASTM D1002 (Standard Test Method for Apparent Shear Strength of Single-Lap-Joint Adhesively Bonded Metal Specimens by Tension Loading)
    • REACH Annex XVII (limitations for isocyanate exposure)

    Typical usage ratio

    • 4–10 wt% based on total liquid resin, changing with thermal shock and peel resistance requirements; adjusted more lower for flexible substrates, higher for stiff composites.

    Downstream process integration

    • Added during compounding with polyols or epoxy resins; processed at controlled mixing speed to maintain homogeneity before curing initiation and dispensing.

    Final product types

    • Industrial composite bonding adhesives
    • High-temperature gasket adhesives
    • Automotive glass setting adhesives
    • Electronics structural adhesives

    5. Polyurea Elastomer Spray Systems

    Spray elastomer producers utilize 2,6-Dimethylphenyl Isocyanate in aromatic polyurea systems for protective coatings in mining, marine, and tank lining applications. Its ortho-dimethyl substitution imparts higher initial modulus, chemical impermeability, and improved post-cure dimensional tolerance under variable cure humidity, distinguishing its performance from non-substituted aromatic isocyanates. The compound feeds directly into the isocyanate component during high-pressure impingement spray operations.

    Industry compliance standards

    • ASTM D6132 (Standard Test Method for Nondestructive Measurement of Dry Film Thickness of Applied Organic Coatings)
    • NORSOK M-501 (Surface preparation and protective coating for offshore installations)
    • OSHA CFR 1910.1200 (Hazard communication, isocyanate processing safety)
    • REACH Regulation Annex XVII (Occupational exposure limits for isocyanates)

    Typical usage ratio

    • 2–7 wt% relative to total isocyanate blend; formulation varies to balance spray reactivity and final film hardness with processing temperature and substrate porosity.

    Downstream process integration

    • Combined in the isocyanate tank in polyurea spray equipment, then reacted instantly with the amine resin during high-pressure spray application (standard feed temperature 55–65°C).

    Final product types

    • Industrial abrasion-resistant tank linings
    • Railcar hopper coatings
    • Seamless waterproofing membranes
    • Marine anti-corrosion decks
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    Certification & Compliance
    More Introduction

    Introducing Our 2,6-Dimethylphenyl Isocyanate: Experience, Reliability, and Precision in Every Batch

    Unpacking 2,6-Dimethylphenyl Isocyanate

    At our manufacturing plant, we have spent decades perfecting aromatic isocyanates that meet the ever-evolving needs of the advanced materials sector. 2,6-Dimethylphenyl Isocyanate, also known in the field as 2,6-Xylyl Isocyanate, stands out in our range for its consistent performance in demanding applications. We produce this compound in our dedicated aromatic isocyanate facility with strict batch controls, leveraging both heritage techniques and investment in modern equipment. Purity, reactivity, and stability frame every decision as we run our reactors, monitor key steps, and test each lot.

    Product Identity and Specifications

    Our 2,6-Dimethylphenyl Isocyanate leaves our plant as a clear, pale yellow liquid at room temperature. The CAS number identifies it in the books, but the reliability of our process sets it apart. We target a minimum assay well above ninety-eight percent, something we measure in our in-house QC lab with HPLC and titration. Moisture content, a key source of isocyanate degradation, stays exceptionally low through closed-system handling and nitrogen blanketing.

    Our typical packaging includes sealed steel drums with PTFE linings, which help preserve quality during storage and shipment. Bulk tank transport is available for high-volume buyers who integrate this intermediate directly at their own facilities. Personnel at our filling station wear full protective gear at every handoff, because safe handling forms the backbone of our operations.

    Key Applications Based on Real Production Experience

    We see usage of 2,6-Dimethylphenyl Isocyanate cluster in several sectors. Polyurethane elastomers demand this molecule for custom hard segments that balance flexibility and strength. It yields blocks with fewer defects due to its ortho-dimethyl substitution, which steers reactivity and helps suppress side reactions with aromatic amines. Coating formulators rely on this isocyanate for moisture-cure systems that set faster under ambient conditions, producing films with greater resistance to abrasion and chemical attack.

    Our long-term partners in adhesive production give feedback that 2,6-Dimethylphenyl Isocyanate blends easily into pre-polymers for hot-melt and solvent-based grades. This input means we keep a close eye on viscosity and color to support process efficiency at our partners' mixing tanks. For specialty dyes and bioconjugate applications, select customers ask us for high-purity material with detailed impurity profiles. We adjust reactor set points and downstream stripping processes to stay ahead of those demands.

    The Value of High Purity and Controlled Reactivity

    Many compounds in the isocyanate class share structural similarities, but the subtle electronic signature of 2,6-Dimethylphenyl Isocyanate confers distinct advantages. The two methyl groups in the ortho positions slow down its overall reaction rate just enough to boost pot life in systems where a measured cure matters. People running batch reactors for cast elastomers or reaction injection molding can mix longer, cut down on scrap, and reach higher reproducibility. We have compared lots of this product against the 2,4-isomer and other monoisocyanates — results favor 2,6-Dimethylphenyl Isocyanate for systems needing balance between speed and open time.

    Customers working with isocyanates often ask about potential alternatives like toluene diisocyanate (TDI) or methylene diphenyl diisocyanate (MDI). These can bring higher reactivity or multiple functional groups, but with more side reactions and less control over end properties. Our single-isocyanate functionality gives compounders a tool to build highly defined urethane and urea linkages, avoiding excess crosslinking or instability down the road. We have seen this difference become critical in the production of medical device coatings and optically clear resins, where off-gassing and color formation must stay minimal.

    Operational Lessons From Decades of Manufacturing

    We do not just ship drums filled with chemicals — our investment in this product extends to everything from raw material purchasing down to field-level troubleshooting with users. In our own plant, every kilogram of 2,6-Dimethylphenyl Isocyanate runs through multi-stage purification. We monitor every distillation cut with real-time analytics, not just spot sampling. We track data from our overheads, distillate lines, and receiver tanks, and sometimes adjust burners or column pressures based on real yield numbers — not just theoretical models.

    Through years of production, we have learned where challenges can arise. Isocyanate groups react readily with water, so we built extra safeguards to exclude moisture at each stage. All our raw storage tanks feed via nitrogen-blanketed lines, and our cleaning crews stick to protocols that cut down on internal condensation. Operators at our site know each valve and flange by hand, inspecting for micro-leaks or gasket breakdown that could lead to loss of product or exposure risks.

    Contamination or trace catalyst carryover can alter downstream reactivity in customer applications. We work closely with industrial R&D teams, sharing application notes and even sending technical support for commissioning at customer sites. If monomer reactivity profiles look off, we provide analytical support to trace root causes. Small changes in UV absorption or total acidity receive serious attention at our QA bench, not just during final release but during routine stability holds.

    Comparison With Other Aromatic Isocyanates

    Across the isocyanate landscape, the chemical community relies on both mono- and di-functional offerings. Toluene Diisocyanate jumps out in the history books, but its higher volatility, vapor toxicity, and tendency to form byproducts can limit its use in cutting-edge systems. Methylene diphenyl diisocyanate excels for foams and high-molecular weight resins, though its solid nature at room temperature complicates some dosing and blending operations.

    2,6-Dimethylphenyl Isocyanate offers practical handling in comparison: it stays liquid at standard plant conditions, supports measured dosing through automated metering, and shows less tendency to clog filters after extended storage. Operators familiar with the sharp odor of bulk TDI find our product more manageable due to reduced volatility, which translates to safer working conditions and fewer complaints from floor staff. Our plant’s air monitoring records confirm these improvements over years of continuous production.

    Downstream, this isocyanate’s selective reactivity delivers more consistent polymer architectures. It works best where a single isocyanate group — rather than two — matters for controlled linear growth and end-group modification. We have supported film makers and medical application developers who find lower extractables and reduced color bodies after switching to 2,6-Dimethylphenyl Isocyanate. In formulations where batch reproducibility means product approval or rejection, our lot-to-lot consistency has measurable commercial impact.

    Safety, Environment, and Regulatory Perspective

    Decades of experience in regulated chemical manufacture taught us to respect risk and put safety at the forefront. Isocyanates, including 2,6-Dimethylphenyl Isocyanate, require serious attention to personal protection and ventilation. Our team trains on advanced PPE and local exhausts keep airborne levels beneath strict internal limits. We routinely share latest findings from in-plant monitoring and collaborate with health and safety professionals across production sites.

    Disposal, spill response, and emergency drills run on set schedules at our site. We work with responsible waste handlers and run full effluent monitoring for our emissions. All outgoing shipments meet relevant transport codes, and our logistics specialists keep up with evolving regulations on isocyanate carriage and use. Our product labeling follows the latest safety data sheet revisions, helping our customers keep their own staff informed and protected.

    On the regulatory side, 2,6-Dimethylphenyl Isocyanate enjoys acceptance in high-value applications due to its predictable behavior and manageable risk profile under proper controls. We consult with downstream formulators on documentation and support audits where needed, with a long record of successful compliance checks in both developed and emerging markets.

    Troubleshooting and Collaboration: Supporting Real-World Process Needs

    Not every lot of raw material runs the same across every process. Over years, we have partnered with chemists and engineers from all corners of the polyurethane, coatings, and electronics sectors to fine-tune usage patterns and reaction profiles. If a customer faces unexpected gelation or inconsistent molecular weights, our technical team does not send canned answers — we share observed best practices and, if required, visit customer sites. These relationships last, bringing two-way learning not found in spec sheets.

    Our lab runs mock formulations on request, testing our 2,6-Dimethylphenyl Isocyanate against actual end-user protocols. Variation in amine content, stirring regimes, or temperature profiles can create big swings in performance. Staying in close communication with end users, we adjust purification steps or recommend changes to dosing sequences. Our on-call team logs these troubleshooting cases and folds the lessons back into our own process controls to cut down on repeat issues.

    Through feedback, we discovered small amounts of native impurities — like residual methylbenzene or trace acids from synthesis — can influence downstream color stability. We adjusted our purification train, extending devolatilization and adding more frequent headspace analysis. These tweaks raised our product above competing imports, many of which we tested and found lacking in both purity and batch uniformity.

    Potential Solutions to Industry Challenges

    Handling isocyanates safely must keep pace with rising production. In response, we developed modular, closed-transfer systems for bulk users, helping them limit open transfers and incidental exposure. Low-residue drums reduce waste and minimize cleaning downtime, addressing cost and environmental concerns on the shop floor. For smaller users, we share advice on decanting and drum storage backed by years seeing what works in real plants.

    Environmental stewardship runs deep at our site. Waste streams get routed to advanced neutralization reactors, not just bulked for landfill. An on-site lab regularly monitors air and liquid outflows, and we track total greenhouse gas emissions from cradle to gate. Those metrics ground decisions about plant investment and help guide our improvement programs. Our product’s comparatively low volatility means less occupational exposure and airborne loss, supporting safer workplaces and improved sustainability profiles.

    We also engage in regular dialogue with fire marshals, emergency response planners, and local authorities. Joint drills and scenario reviews ensure we react quickly and correctly if an accidental release happens. This discipline becomes especially important as customer scale grows — we support customers expanding from small-batch to full-line production with risk reviews and facility walkthroughs.

    Addressing Supply Chain Pressures and Building Resilience

    Raw material supply chains remain under pressure worldwide. Volatile energy prices, regulatory curbs on certain chemicals, and shifting trade flows all impact availability of key reagents like dimethylbenzene and phosgene for 2,6-Dimethylphenyl Isocyanate synthesis. Our long-term contracts with trusted producers, coupled with strategic buffering at our plant, reduce disruptions that hit spot buyers and brokers. Factory managers appreciate knowing their jobs won’t stop due to a missed truck or rejected batch.

    Multi-year product development projects depend on repeatable raw material quality. We provide not only confirmed physical and chemical data on each batch, but also background tracking on variations in upstream feedstocks that can affect performance. By owning and controlling our process from base chemical to final packaging, we keep our partners insulated from the volatility that defines broader commodity markets.

    Port congestion and customs slowdowns can threaten end-user project timelines. Our exports team reviews shipping channels daily, working with certified forwarders and logistics specialists to forestall delays. We document chain of custody at every step, trace lots all the way back to initial raw acquisition, and keep regular–sometimes daily–contacts with handlers. These efforts mean our partners see on-time deliveries, with backup plans ready whenever the unexpected occurs.

    Production Scale and Flexible Fulfillment

    Our plant features modular reactor trains that adjust output based on seasonal and market variation. We can ramp up quickly for large runs, or pull back capacity to conserve resources during lower demand cycles. This flexibility saves energy and cuts waste. Each batch, whether pilot scale or multi-ton, receives the same attention to detail on both process and analysis — accuracy in a small run lays groundwork for dependable large-scale output.

    For special projects, we work directly with advanced materials researchers or niche specialty firms to deliver non-standard cuts or blends. These collaborations help new products come to market faster, and they bring insight into future needs across industries from medical devices to energy storage. We draw on these experiences to update our plant investments, planning for tomorrow’s demand with a clear view from the production floor.

    Looking To the Future: Innovation and Partnership

    Research into new polyurethane systems, resilient adhesives, and functional coatings proceeds faster than ever. Compounders and formulators stretch the limits of reactivity, cure speed, and environmental profile. As innovators ourselves, we stay plugged into regional chemistry networks, contributing to discussions about safer, cleaner, and more efficient isocyanates.

    Building on experience, we invest in the next generation of process automation, in-line analytics, and employee training. Such efforts let us deliver 2,6-Dimethylphenyl Isocyanate that adapts across wide markets but maintains unwavering quality. By sharing operating experience and learning from end-users, we shape product development and safety controls that cut through theory to what works at scale.

    Big progress in the chemical world comes through teamwork. We commit to open communication, ethical production, and always putting health and safety alongside customer needs. Our doors remain open for feedback, joint testing, and projects large or small. 2,6-Dimethylphenyl Isocyanate stands as both a daily operation and a promise — made by chemists, for fellow manufacturers, based on shared standards and real operational experience.