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1,3,5-Trimethylbenzene

    • Product Name 1,3,5-Trimethylbenzene
    • Alias Mesitylene
    • Einecs 202-706-1
    • 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

    397009

    Name 1,3,5-Trimethylbenzene
    Cas Number 108-67-8
    Molecular Formula C9H12
    Molar Mass 120.19 g/mol
    Appearance Colorless liquid
    Odor Aromatic
    Boiling Point 164-165 °C
    Melting Point -44 °C
    Density 0.864 g/cm³ at 20 °C
    Solubility In Water Insoluble
    Flash Point 48 °C (closed cup)
    Refractive Index 1.499 at 20 °C
    Vapor Pressure 2 mmHg at 25 °C

    As an accredited 1,3,5-Trimethylbenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1,3,5-Trimethylbenzene is packaged in a 500 mL amber glass bottle with a secure screw cap and chemical hazard labeling.
    Shipping 1,3,5-Trimethylbenzene is shipped in tightly sealed steel drums or ISO tanks designed for flammable liquids. It must be stored and transported away from ignition sources and incompatible substances, with proper labeling according to hazardous material regulations (UN No. 2325, Class 3). Ventilation and spill containment measures are required during shipping.
    Storage 1,3,5-Trimethylbenzene should be stored in a tightly closed, properly labeled container in a cool, dry, and well-ventilated area away from sources of ignition, heat, and incompatible substances like oxidizers. Avoid direct sunlight and static discharge. Use spill containment and keep away from food, drink, and incompatible chemicals to ensure safety and prevent environmental contamination.
    Application of 1,3,5-Trimethylbenzene

    Applications of 1,3,5-Trimethylbenzene in Industrial Manufacturing

    As a specialized manufacturer of 1,3,5-Trimethylbenzene, we enable downstream producers to apply this material in strictly defined sectors that benefit from its aromatic, solvent, and intermediate properties. Below, we outline key application scenarios based on actual market adoption, capturing process-specific requirements and compliance protocols for industrial users seeking reliable integration.

    1. Paints and Industrial Coatings Formulation

    Industrial coatings formulators utilize 1,3,5-Trimethylbenzene as a high-boiling aromatic solvent to modify viscosity, drying speed, and wetting properties, especially in alkyd, acrylic, and polyurethane systems for automotive and heavy-duty equipment coatings. Its narrow distillation range facilitates controlled evaporation and stable film formation under variable production climates, assisting manufacturers in balancing regulatory VOC limitations while achieving reliable application results.

    Industry compliance standards

    • EU REACH Regulation (EC 1907/2006) for chemical safety in paint formulations
    • US EPA National Emission Standards for Hazardous Air Pollutants (NESHAP) for coatings
    • GB 18582-2020 for indoor architectural coatings in China
    • ISO 12944 for industrial protective paint systems

    Typical usage ratio

    • 5%–20% by weight in solvent blends; formulators adjust to meet target VOC content and desired evaporation profile based on resin type and application thickness

    Downstream process integration

    • Added during the let-down stage of paint manufacturing, after pigment dispersion, to adjust final viscosity and ensure binder and pigment compatibility in the finished formulation

    Final product types

    • Industrial metal primers
    • Automotive refinish topcoats
    • Protective marine paints
    • Machinery and equipment enamels

    2. High-Octane Fuel Additives Manufacturing

    Refineries and fuel additive blenders incorporate methyl-substituted benzenes as antiknock agents and octane improvers in gasoline production. 1,3,5-Trimethylbenzene’s high octane number and low tendency to form deposits allow formulators to balance oxygenate content and hydrocarbon volatility, enhancing engine performance and compliance with emission targets set by national authorities for road transport fuels.

    Industry compliance standards

    • EN 228 for unleaded gasoline quality (European Union)
    • ASTM D4814 for automotive spark-ignition engine fuel (United States)
    • China GB/T 17930-2016 on motor gasoline
    • EU Directive 2009/30/EC on fuel quality

    Typical usage ratio

    • 0.5%–3% by volume in finished gasoline; rate determined by base blendstock composition and target Research Octane Number (RON) adjustments

    Downstream process integration

    • Injected into gasoline blending tanks during the post-refining compounding stage, following hydrodesulfurization and before final quality control release to distribution networks

    Final product types

    • Premium-grade automotive gasoline
    • High-octane racing fuel blends
    • Additive concentrate packages for refinery use

    3. Organic Peroxides and Fine Chemical Intermediates Production

    Specialty chemical manufacturers use 1,3,5-Trimethylbenzene as a raw material and reaction medium in the synthesis of organic peroxides and other fine intermediates. Its aromatic structure supports selective methylation, oxidation, or sulfonation reactions for downstream products used in polymerization initiators, agrochemical actives, and fragrance intermediates, with precise batch control required to meet high-purity output specifications.

    Industry compliance standards

    • ISO 9001 quality management system for chemical processing
    • GMP guidelines for intermediate production (if used in APIs or food contact)
    • Responsible Care® global chemical safety initiatives
    • Local chemical registration (KKDIK Turkey, DSL Canada, etc.)

    Typical usage ratio

    • 10%–40% by reaction charge; adjusted based on molecular yield requirements and conversion efficiency in syntheses of alkylbenzene-derived peroxides

    Downstream process integration

    • Charged as a core reactant in stirred reactor vessels, with temperature and pressure modulated for targeted functionalization; also acts as a solvent during purification or precipitation steps

    Final product types

    • Methylbenzyl hydroperoxide (polymerization initiator)
    • Trimesic acid (intermediate for specialty resins)
    • Synthetic aroma chemicals
    • Agrochemical key intermediates

    4. Laboratory and Analytical Solvent Supply

    1,3,5-Trimethylbenzene finds established use as a high-purity solvent in gas chromatography, reference standards preparation, and as a matrix in sample analysis for quality control labs across chemical, environmental, and petrochemical sectors. Its narrow boiling range and chemical stability support quantification and calibration accuracy, addressing specific instrumentation and sample compatibility mandates.

    Industry compliance standards

    • ISO/IEC 17025 for laboratory testing and calibration quality
    • ASTM D6581 for aromatic analysis by GC-MS
    • EN 12619 for emissions sampling solvents
    • Analytical reagent grade (ACS, Ph. Eur., or equivalent, as specified)

    Typical usage ratio

    • Usage according to extraction volume or standard preparation needs, generally 0.1–2 mL per test or sample; purity specification selected per analytical method required

    Downstream process integration

    • Used in sample preparation, dilution, or as carrier solvent directly in auto-sampler vials or manual injections during method development and batch analysis routines

    Final product types

    • Analytical reference mixtures
    • Calibration standards for GC or HPLC
    • Residue analysis kits
    • Laboratory extraction reagents

    5. Ink Solvents and Printing Industry Fluids

    Printing ink manufacturers rely on the controlled volatility and solvency profile of 1,3,5-Trimethylbenzene to process pigmented and dye-based inks for gravure, offset, and specialty flexographic applications. Its contribution to wetting dynamics, print sharpness, and pigment dispersion facilitates compliance with clean printing standards and improves print run consistency for packaging and commercial print media.

    Industry compliance standards

    • Swiss Ordinance on Materials and Articles in Contact with Food (for food packaging inks)
    • ASTM D4212 for ink rub resistance
    • ISO 2834-1 for printing ink tack measurement
    • REACH Annex XVII for substance restrictions in print chemicals

    Typical usage ratio

    • 2%–15% by formulation weight; ranges shifted based on press speed, desired drying rate, and ink wetting properties for coated vs. uncoated substrates

    Downstream process integration

    • Blended into pigment paste during high-shear dispersion, then introduced into let-down stages to reach final viscosity; also used in ink concentrates supplied to contract packers

    Final product types

    • Gravure and offset inks for commercial packaging
    • Printable coatings for paperboard and plastics
    • Ink concentrate solutions for custom printers
    • Resist and marking fluids for industrial printing
    Free Quote

    Competitive 1,3,5-Trimethylbenzene prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    1,3,5-Trimethylbenzene: Manufacturer Perspective on Quality and Applications

    The Real Story Behind 1,3,5-Trimethylbenzene

    Working directly in the chemical industry means gaining a true sense of how 1,3,5-Trimethylbenzene shapes various processes and why customers tend to depend on established manufacturers. Over the years, as we’ve finessed production processes, the conversations around raw material quality, practical performance, and user needs crop up time and again. There’s a world of difference between the headlines touting chemical trends and what goes on at the reactors, tanks, and barrels where real decisions shape customers’ final products.

    What Makes 1,3,5-Trimethylbenzene Special

    1,3,5-Trimethylbenzene (or mesitylene, as those in labs and plants often call it), stands out thanks to its unique structure and purity profile. Anyone handling large-scale synthesis, coatings, or specialty intermediates runs into it sooner or later. It’s clear, colorless, and offers a reliable boiling point, but dig a little deeper and its practical value starts to show. Our batches come with purity above 99% and maintain low levels of critical impurities—sulfur, heavy metals, and halogenated derivatives—which matter most to downstream reactions and equipment life.

    Production Observations: Quality from the Ground Up

    It’s one thing to list off purity numbers. Meeting those specifications consistently, batch after batch, takes more than a checklist. We draw lessons from process control—every step from distillation pressure settings to filtration times brings experience to the exceptional. Production staff track not only product quality but also how process adjustments change the crystal-clear liquid coming off the line. Years ago, struggling with moisture content in a run meant losing precious hours and product. Lessons from those setbacks built the routines that keep present batches so clean, customers rarely pause to ask about residual water or side products anymore.

    Knowing Where It Works Best

    Anyone with a catalog can print uses or copy technical literature. Our real value appears when we see the compound’s performance in demanding blends, harsh catalytic cycles, or solvent recovery setups. Many clients in paint and resin industries have found 1,3,5-Trimethylbenzene delivers the solvency they can’t source from similar aromatics. Its low freezing point and boiling point north of 160°C give coatings a more predictable flow and leveling. It prevents polymer resin precipitation mid-process, especially at cooler seasonal temperatures—something cheaper mixed xylenes can’t promise.

    In the lab research space, our pure 1,3,5-Trimethylbenzene lets analytical departments push past trace contamination and sample interference. Chromatographic separations rely on background levels being truly low, which only trusted manufacturing checks can deliver at scale. One long-standing customer in petrochemicals has seen their thermal degradation studies benefit from switching away from less-refined grades of aromatic solvents. Their results have more signal, less haze.

    Customer-Driven Adjustments Drive Progress

    Listening to feedback from production partners has prompted all sorts of tweaks over the years. The pigment dispersion industry, for instance, values clarity and flow. A paint manufacturer once reported dull specks in their batches traced back to poorly managed, imported aromatic solvents. After connecting with us, their teams visited our site and saw the tight cycle of in-line filtration, reactor temperature logging, and constant in-process testing. Most of their subsequent quality run-ins vanished, replaced by glowing quality-control sheets. There’s no substitute for boots-on-the-ground transparency about how materials actually get made and packed.

    The resin curing sector asks for guaranteed boiling profiles, so our teams log distillation curves for each fresh production run. That level of attention is only possible if the manufacturer chooses not to blend leftovers from other streams. Distributor-supplied batches often blend ingrades from para- or ortho- isomeric cuts, so their product works most of the time but may produce off-odors or inconsistent polymer characteristics after a few months in storage. The quality checks from a manufacturer-owned, integrated facility sidestep those nightmare scenarios.

    How It Measures Up Against Other Aromatics

    Compared to isomeric forms like 1,2,4-Trimethylbenzene or bulk commodity xylenes, 1,3,5-Trimethylbenzene offers better consistency for applications needing low reactivity and clarified transparency. Its symmetrical structure resists unwanted side reactions during advanced synthesis. In coal tar derivatives or impure fractions, you’ll run into odors, color development, or instability over storage—all headaches our plant leadership worked tirelessly to beat down through stepwise purification. These headaches cost more than just money; they soak up downtime for troubleshooting and waste disposal fees.

    Reliability isn’t just about purity today. Aftermarket analysts now ask for environmental responsibility. We’ve gone through rounds of waste management upgrades, both to comply with regulations and to give clients peace of mind about residual handling. Each holding tank batch is traced by timestamp, operator ID, and downstream blending notes, then matched to outbound samples. This comprehensive tracking stands in stark contrast to resellers repackaging mystery blends—our customers know exactly which run their drum or tote came from.

    Understanding the Challenges: Sourcing and Security of Supply

    Recent years have shown that the right paperwork alone cannot guarantee quality. As a manufacturer, we’ve faced sudden price spikes for crude aromatics, supply chain crunches stemming from logistics shutdowns, and demands for pandemic-level documentation. Some industries can swap aromatic solvents for an alternative in a pinch, but others deeply embedded 1,3,5-Trimethylbenzene in their procedures. That’s forced us to contend with questions about backup plans and sustainable inventory levels.

    Manufacturers see firsthand how pocket shortages impact not only price but the willingness of clients to risk formula changes that could undermine entire product lines. Keeping extra in storage is costly, so we’ve built multi-year relationships with feedstock suppliers and maintain strict inventory rotation to avoid mishaps. Failures in traceability—where materials labeled as 1,3,5-Trimethylbenzene turn out to have mixed isomers or improper labeling—have cost some buyers more in wasted batches than any price hike ever could. Direct reporting and in-house batch logs cut through those worries, ensuring the liquid in the barrel matches the certificate in your hands.

    Environmental Performance and Regulatory Pressures

    We see expectations rising around aromatic solvents, especially when it comes to emissions and safe handling. 1,3,5-Trimethylbenzene has a profile lower in toxicity compared to some related compounds, but it hasn’t dodged regulatory scrutiny. Our experience shows that well-managed storage and clean handling practices help clients stay within permissible workplace limits. The bulk packaging options we provide—closed drums, lined ISOs, returnable totes—minimize vapor drift and accidental leak risk.

    Pressure from new regulations means our team engages with local authorities to show how each unit produced tracks emissions, both on-site and via downstream use. Some clients now ask us for lifecycle assessments of their solvent purchases—eyeing both raw material greenhouse gas footprint and energy usage per drum. Collaborating with external auditors has helped us optimize column heating and cooling, using feedback loops to reduce overall steam consumption. True transparency and audit-friendly records appeal to customers facing similar requests from their own buyers.

    End Users Pushing the Envelope: Feedback Loop in Action

    Being a direct producer lets us answer tough questions from formulators and plant teams. Rather than passing customers to someone else, we walk through what each impurity means for shelf life, haze formation, or catalyst compatibility. Engineers in the adhesives field mention how their end-product clarity improved after switching to our mesitylene. Likewise, customers working on advanced battery electrolytes see fewer side-product interferences—a direct result of cleaner batches.

    Field experience matters. In one memorable episode, a coatings customer flagged a small lot for unusual odor. After a plant audit and review of our reaction logs, we identified a brief upstream process hiccup causing a transient impurity. Addressing issues this way, by collaborating at the source rather than deflecting blame down the chain, strengthens industry confidence. Formulators faced with tight margins and performance targets can’t afford uncertainty—knowing a direct supplier has a short feedback line builds lasting partnerships.

    Upgrades and Modernization: Learning by Doing

    Decisions about process improvements rarely stem from theory alone. Over a decade, every significant upgrade—filter media, online analyzers, automated valve controls—has answered a specific need. By keeping production hands-on, the team pinpoints bottlenecks before they escalate to full-blown defects. Designing redundancy into purification ensures every shipment, from the first liter to the last, leaves with zero compromise on key metrics.

    Continuous investment in onsite analytics means nearly instant verification on each run, rather than waiting on off-site labs. This turns product release from a paperwork exercise to a daily discipline, integrating the wisdom of plant operators who see the process from start to finish. User feedback guides future adjustments, not market fads. Inputs from real users have led to shifts in tank cleaning cycles, which cut down on trace cross-contaminants—something not every reseller will catch before shipping to end-users.

    Practical Impact for Buyers: What They Actually Notice

    Purchasing from a direct manufacturer of 1,3,5-Trimethylbenzene saves uncounted hours and headaches that come from discovering batch inconsistencies or mystery odors. Shippers from trader stockpiles sometimes blend residues that disrupt sensitive curing reactions or create haze in finished film. By running a tightly integrated operation, we guarantee the same material shows up every time—transparency from the process floor to the loading dock.

    Clients often reach out with field challenges. Clogging in dispensing equipment, delayed resin hardening, cloudiness in premium tint bases—all sorts of real problems have surfaced over years of conversation. Sharing practical guidance—heating protocols for cold storage, routine checks for dissolved gas, maintenance recommendations on drum taps—lends extra reliability in harsh industrial environments.

    Shelf life isn’t just a number; it reflects routine diligence on both sides. Keeping water, metals, and side aromatics out of the product means fewer surprises in long-term usage. Old habits like tracking odor alone give way to full batch report reviews. Our teams teach customers how to interpret GC traces and bulk density logs, letting every buyer take an active role in quality assurance.

    Looking to the Future: Improvements Rolling Forward

    Manufacturing never stops evolving. The rising focus on emissions, energy use, and digital tracking leads us to keep investing in process upgrades. What started as a small effort to improve batch consistency now feeds into broader sustainability goals. Real-time emissions monitoring has revealed side-release pockets we’re keen to address with new scrubber setups. Equipment upgrades like automated pumps cut process time, saving both energy and reducing downtime between batches.

    We also hear regularly from research groups developing new catalyst systems and engineered materials—these sectors rely on ever tighter impurity tolerances. Our willingness to tweak process steps or run custom pilot lots reflects years of working hand-in-hand with innovators. The feedback loop goes both ways: plant operators and technical sales pick up lessons from customer labs and bring them directly to production meetings.

    Responsibility and Trust: Why Manufacturer-Direct Matters

    Purchasing through an actual producer changes the risk calculus for buyers downstream. Every new run gets tied to a real process, complete with measurement logs and a responsive team that stands behind the final drum. While distributors can sometimes offer short-term deals on blended stock, repeated quality issues eventually catch up. Customers know they secure more than base raw material—they gain access to ongoing support, traceability, and the confidence that each delivery meets the same rigorous checks. Accountability matters, and our reputation grows every year because every order reflects genuine factory-floor knowledge.

    Final Thoughts from the Manufacturing Side

    Anyone buying 1,3,5-Trimethylbenzene for the first time—whether their scale is a few barrels a year or routine truckloads—soon sees the value of reliability, open communication, and built-in technical support. Beyond what’s printed on a certificate, hands-on experience and real-world problem-solving bring value that traders and third-party resellers can’t match. Years of learning, refining, and collaborating with end users make it possible to tackle any challenge with a trusted and consistent solution.