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1,3,5-Triacetylbenzene

    • Product Name 1,3,5-Triacetylbenzene
    • Alias benzene-1,3,5-triyl triacetate
    • Einecs 211-383-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    689382

    Chemical Name 1,3,5-Triacetylbenzene
    Molecular Formula C12H12O3
    Molecular Weight 204.22 g/mol
    Cas Number 4105-41-5
    Appearance White to pale yellow solid
    Melting Point 194-196 °C
    Boiling Point 447.2 °C at 760 mmHg
    Density 1.21 g/cm3
    Solubility Slightly soluble in water; soluble in organic solvents
    Smiles CC(=O)c1cc(C(C)=O)cc(C(C)=O)c1
    Inchi InChI=1S/C12H12O3/c1-7(13)10-4-9(8(2)14)6-11(5-10)12(3)15/h4-6H,1-3H3
    Pubchem Cid 94899

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

    Packing & Storage
    Packing 1,3,5-Triacetylbenzene is supplied in a 100g amber glass bottle with screw cap, clearly labeled with hazard and handling information.
    Shipping 1,3,5-Triacetylbenzene should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Transport must comply with local, national, and international regulations. Typically shipped as a solid, it should be handled with care to avoid spills, and stored in a cool, well-ventilated area away from incompatible substances.
    Storage 1,3,5-Triacetylbenzene 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 oxidizing agents. Protect the chemical from moisture and direct sunlight. Ensure proper labeling, and keep the storage area equipped with suitable spill containment and fire extinguishing equipment.
    Application of 1,3,5-Triacetylbenzene

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

    1,3,5-Triacetylbenzene serves key roles as an intermediate and additive in numerous specialty and performance chemical sectors. Its acetylated aromatic structure meets strict purity and performance requirements demanded by high-end industrial manufacturing lines. The following sections outline recognized downstream applications and integration within certified production operations.

    1. Pharmaceutical Intermediate for Heterocyclic Synthesis

    The pharmaceutical sector uses 1,3,5-Triacetylbenzene for synthesizing advanced heterocyclic scaffolds, especially triaryl-based APIs and research compounds. Its controlled reactivity and acetyl groups enable regioselective condensation steps under GMP manufacturing conditions. Processing plants regularly deploy this material in multi-step syntheses for antitumor agents and CNS active substances, leveraging site-selective acetyl group manipulation under validated procedures.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • USP General Chapter <1078> Good Manufacturing Practices for Bulk Pharmaceutical Excipients
    • 21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals
    • EMA Guideline on the Chemistry of Active Substances

    Typical usage ratio

    • Typically 5–20% relative to target substrate in condensation or cyclization stages, adjusted per stoichiometric requirements and impurity profile control points.

    Downstream process integration

    • Incorporated post-purified in stepwise closed-system reactions; introduced via controlled feeding for high-yield heterocyclization to ensure lot traceability and process validation.

    Final product types

    • Anti-cancer drug molecules
    • CNS therapeutics
    • Custom small-molecule research compounds
    • Trial batch active pharmaceutical ingredient (API) intermediates

    2. Specialty Resin and Polyarylate Monomer Production

    Major resin producers incorporate 1,3,5-Triacetylbenzene as a reactive monomer in the synthesis of high-performance polyarylates and specialty crosslinked polymer networks. The acetylated benzene core contributes to rigidity and thermal stability in final cured matrices. Typical applications involve condensation polymerization with bisphenols or dialcohols under controlled conditions, aligning with rigorous material certification and process quality standards demanded for specialty plastics and composites.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • REACH Regulation (EC 1907/2006) on Registration, Evaluation, Authorization, and Restriction of Chemicals
    • EN 1888 Testing Methods for Thermosetting Resin Materials
    • FDA 21 CFR 177.1595 Polyarylate Resins (when required for food contact polymers)

    Typical usage ratio

    • Used at 10–30 mol% in monomer blends, with loading optimized for balance of mechanical properties and processing temperature of finished resin systems.

    Downstream process integration

    • Added at the monomer pre-mix stage before external catalysis; batch or continuous-feed integration depending on production line scale; managed under closed environment for emission control and traceability.

    Final product types

    • High glass transition temperature polyarylate pellets
    • Structural resins for electronics and automotive
    • Specialty molding compounds
    • Industrial adhesive base polymers

    3. Performance Additive in High-Temperature Lubricant Formulation

    1,3,5-Triacetylbenzene functions as an aryl structure modifier in synthetic lubricant manufacturing, used to tailor oxidative resistance and viscosity in high-temperature grease and oil formulations. Lubricant compounders value this raw material for controlled acetyl group release, which stabilizes base stock molecular structure under demanding operating conditions, facilitating compliance with stringent automotive and aerospace specification requirements.

    Industry compliance standards

    • DIN 51502 Lubricating Greases Classification and Requirements
    • SAE J310 Lubricating Oil Viscosity Classification
    • ASTM D6594, Standard Test Method for Evaluation of Corrosiveness of Lubricants
    • ISO 21469: Safety of Machinery – Lubricants with Incidental Product Contact

    Typical usage ratio

    • 0.1–2% by weight as part of performance additive packages; dosage tuned according to base oil group and oxidation stability target.

    Downstream process integration

    • Directly dosed in heated blend tanks during base oil modification or additive blending step; batch blending ensures homogeneous dispersion prior to downstream packaging or further compounding.

    Final product types

    • High-temperature greases
    • Low-ash turbine oils
    • Specialty compressor lubricants
    • Industrial gear oils for extended service intervals

    4. Organic Electronics and OLED Intermediate

    1,3,5-Triacetylbenzene acts as a molecular precursor in the manufacture of custom aromatic compounds for organic electronics, particularly as a building block for OLED small molecules and advanced light-emitting materials. Research and production facilities rely on its uniform acetylation for controlled downstream functionalization, meeting critical purity and photonic property demands under dedicated clean manufacturing lines. Handling and conversion steps align with advanced electronic material standards and traceable processing.

    Industry compliance standards

    • IEC 61249-2: Materials for Printed Boards and Other Interconnecting Structures
    • ISO 14644-1 Cleanrooms and Associated Controlled Environments for Critical Processing Steps
    • RoHS Directive 2011/65/EU for Electronic Equipment
    • Semi F47: Semiconductor Process Chemicals Quality

    Typical usage ratio

    • Varies from 15–35% as a functionalized precursor in targeted synthesis, depending on light emission spectrum optimization and doping requirements for the specific device structure.

    Downstream process integration

    • Converted via Friedel-Crafts acylation or further aromatic substitution; introduced within air-free, low-metal environments to prevent defect generation in final crystalline or amorphous electronic materials.

    Final product types

    • OLED emitter compounds
    • High-brightness organic light-emitting materials
    • Custom hole or electron transport materials in displays
    • Flexible printed circuit board coatings
    Free Quote

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

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    Certification & Compliance
    More Introduction

    Introducing 1,3,5-Triacetylbenzene: Chemical Precision, Purpose-Built for Industry

    What Makes 1,3,5-Triacetylbenzene Essential?

    Step into nearly any conversation about aromatic intermediates, and the focus tends to gravitate toward 1,3,5-triacetylbenzene. Decades of hands-on production have made it clear why industries turn to this molecule so often. The design behind its molecular structure—three acetyl groups symmetrically attached to the benzene ring—creates a blend of stability and reactivity that meets demanding synthesis needs.

    We have worked with a large range of aromatic chemicals over the years, and 1,3,5-triacetylbenzene stands out for its purity and versatility. Most of our manufacturing goes toward applications that require reliable performance in downstream synthesis. The pharma sector, in particular, puts this molecule to effective use as a building block for API intermediates and specialty compounds. The electronic materials and polymer industries also recognize its consistent behavior in performance-critical syntheses.

    Understanding What Sets Our 1,3,5-Triacetylbenzene Apart

    Each batch comes off our line through a control process that focuses on achieving exceptional purity. The finished product presents itself as an off-white crystalline powder, with a defined melting range and high chemical stability. Detailed analysis confirms that the acetyl substitution pattern is free of positional isomers or residual byproducts, something industry partners rely on to avoid disruption in their own production lines.

    Over the years, we've witnessed colleagues in research and manufacturing encounter setbacks simply because trace impurities made their way into formulations. Our direct manufacturing oversight allows us to sidestep these problems. Full characterization—HPLC, GC-MS, and NMR—verifies not just the basic identity but the precise chemical integrity batch to batch. Inspection teams check for particulate contamination and maintain a dust-free workspace, since even minor contamination can create problems during downstream reactions.

    Hands-On Uses: Field Experience Speaks

    Most customers sourcing 1,3,5-Triacetylbenzene use it as an intermediate for synthesizing various heterocyclic compounds. Laboratory chemists and process engineers both count on its robust performance during condensation, Friedel–Crafts reactions, and in frameworks for creating new scaffolds. The symmetric arrangement of acetyl groups introduces selectivity—when the right conditions arrive, it behaves predictably. That predictability drives up process yields and minimizes wasted effort.

    Our years working with teams in fine chemicals revealed that not every aromatic tri-acetyl is created equal. The 1,3,5 configuration enables tight control over downstream functionalization. Chemists often contrast it with 1,2,4-triacetylbenzene to illustrate this. In the 1,3,5 isomer, the symmetry helps simplify reaction pathways, cuts down on the number of possible byproducts, and leads to smoother scale-up. Those determined to push for pharmaceutical-grade materials or advanced polymers often settle on 1,3,5-triacetylbenzene due to this reliable behavior.

    Specifications Matter—And Behind Every Number Lies Experience

    Long before any specification sheet reaches a customer, the work begins at the reactor. Purity targets run above 99%, with moisture and ash kept to absolute minimums. Handling the crystalline powder requires trained hands: minimizing exposure to open air avoids moisture uptake and clumping, which can compromise measurement accuracy in subsequent formulations. Packing happens in inert atmospheres or vacuum-sealed bags, and our teams document each container’s batch number and analysis record.

    Years back, an early adopter in high-performance polymers needed confidence that each shipment matched the last. Small batch runs for specialty applications required not just high purity, but a repeatable melting point and granular particle size data. Once we fine-tuned our crystallization and drying cycles, these parameters became standard practice rather than luxury. Maintenance schedules for our filtration equipment grew out of experience—any drift in particle size distribution became easy to spot and correct.

    Comparing 1,3,5-Triacetylbenzene to Other Aromatic Compounds

    Plenty of manufacturers working with acetylated aromatics can point to a full catalog—1,2,4-triacetylbenzene, phloroglucinol, or substituted toluenes line the shelves. Even so, not all of them perform equally in demanding synthetic routes. Over several projects, we saw researchers pivot away from less symmetric isomers due to uncontrollable side-reactions. The stability and straightforward reactivity of the 1,3,5 isomer offer a clear advantage, especially where purity and yield sit squarely in the crosshairs.

    Experience taught us that 1,3,5-triacetylbenzene resists coloration and oxidative degradation. It stores well, provided humidity is controlled, and doesn’t develop problematic degradation products under standard lab conditions. Colleagues working with 1,4-diacetylbenzene often comment on the unpredictability of byproduct formation and the increased purification steps needed in final steps. The triacetyl variant in the 1,3,5 pattern sidesteps those headaches, sparing teams time and keeping costs in check.

    Process Reliability: A Foundation Built Over Decades

    Modern manufacturing demands more than just a basic supply—finished products must consistently match stated specifications. We work directly from raw input sourcing to finished packing, so any variance is detected early. Technicians routinely test for melting point (between 196°C and 200°C) and chemical identity. Batch records detail solvent histories and reaction parameters. All this paperwork translates into reliability that customers can feel, not just read about in a report.

    Our plant managers oversee every aspect, from solvent recovery to waste stream handling. Safe, responsible production remains our priority, with documented compliance to both international environmental guidelines and internal safety protocols. Waste production recycles through secondary treatments, and next-generation reactors control heat input to minimize undesired side reactions or runaway processes.

    Practical Wisdom: Handling and Storage

    We have found that even the best-made compound requires good storage practices to keep it performing at its best. Exposure to moisture leads to clumping and can cause handling headaches on busy production floors. Sealed, moisture-resistant packaging extends shelf life and keeps the powder free-flowing. Our operators use static-free gloves and filtered laminar flow hoods during batch segmentation, a practice driven by early lessons with static discharge and powder aggregation.

    Episodes of unexpected clump formation or cake-hardening led us to revise our storage recommendations over time. Today’s guidance draws straight from those experiences: store in a cool, dry place out of direct sunlight, and reseal containers promptly. In the few instances where partners deviated from these protocols, issues ranging from pouring difficulties to compromised analytical results sometimes emerged. All feedback loops inform how we approach preparation for outgoing shipments and customer support.

    Problem Solving on the Production Line

    Chemists asking for kilogram-scale batches often raise concerns about batch-to-batch variance, dissolution times in organic solvents, and reaction predictability. Direct feedback—positive or challenging—shapes how we refine our operation. Several years ago, a surge in demand from electronics manufacturers put pressure on our crystallization line. Teams noticed a subtle shift in grain size, which translated to slower filtration and non-uniformity in polymerization reactions downstream.

    We didn’t just tune our process by the book; in-person rounds from plant supervisors and lab analysts flagged the issues, then worked side by side with production to adjust stirring rate, cooling profile, and solvent selection. The improvement wasn’t just a marginal bump in data—it resulted in cleaner filtrates, happier end-users, and fewer interruptions on the customer side.

    Beyond the Numbers: Partnership and Learning

    It only takes a handful of customer calls over the years to see how important responsiveness is. Unanticipated color changes or odor after storage have, at times, traced back to heat exposure during transit or improper re-sealing after use. We listen and adjust packaging, review logistics, and—where needed—dispatch technical teams to work through practical solutions. Over the years, these efforts build trust and reduce downtime for everyone relying on the molecule.

    Chemistry by itself solves nothing unless supported by the details of daily practice. Routine technical guidance, direct communication lines, and real troubleshooting sacrifice company overhead in service of long-term collaboration. Many of the technical bulletins and best practices we share arose not from isolated lab tests, but from troubleshooting actual customer setbacks. These challenges and shared victories define our product’s footprint in the industrial landscape.

    Stories from the Field: Synthesis, Scaling, and Success

    Several partners on the API synthesis side describe cutting process times by switching to our triacetylbenzene—hours saved in purification, lower solvent use, cleaner final products. We’ve seen similar stories in advanced materials development: research groups scaling up from bench to pilot plant reported reduced fouling in reaction vessels and less downtime from clogging filtration units.

    Industrial process feedback reaches us constantly: our phones and inboxes carry the latest trials, scale-ups, and production hitches. Feedback from one large-scale film manufacturer showed a predictable, high yield using our 1,3,5-triacetylbenzene versus a competitor’s irregular product. That user attributed tough-to-remove colored impurities in final films to off-spec feedstock—and after switching, they hit quality benchmarks for optical clarity on their first attempt.

    Safety, Environmental Considerations, and Industry Trends

    As chemical manufacturers, we recognize that safety and sustainability are not simply regulatory boxes to check. Routine risk evaluation forms part of every process routine. We train all staff in both chemical hygiene and emergency procedures; spill containment and air filtration remain priorities across our facility. The environmental impact of our process weighs heavily on every upgrade plan. That’s why investments in solvent recycling and byproduct minimization remain ongoing.

    Green chemistry trends have catalyzed a move toward lower-impact manufacturing routes. We continuously re-evaluate how our synthesis and purification align with both local and international standards. The challenge of maintaining high purity while reducing environmental footprint isn’t new to us. Years of incremental improvements, ranging from reactor insulation to digital process monitoring, help us cut waste and improve energy use without sacrificing product quality.

    Looking Forward: Innovation Under Real-World Demands

    The landscape for 1,3,5-triacetylbenzene continues to evolve. Our research partners are developing new uses in specialty polymers and as moieties for next-generation functional materials. Our team runs pilot collaborations with research institutes and industrial labs, sharing test batches for exploratory projects and gathering firsthand data on novel applications.

    Recent conversations with polymer R&D teams highlighted potential for 1,3,5-triacetylbenzene to act as a scaffold in advanced resins, where dimensional stability and resistance to UV-induced degradation matter most. The results from pilot formulations using our refined material look promising: repeated syntheses produced consistent molecular weights, clear films, and less off-gassing on curing.

    Why Consistent Quality Remains Our Guiding Value

    Those who work daily with specialty chemicals know the difference between theory and practice. We keep refining our process—sometimes by fraction of a degree on crystallization temperature or percent point in solvent composition—because small variables matter in the end product. Our technical team takes pride in catching issues before they ever reach the drum or the warehouse floor. Every tight shipping schedule, new use-case, or scale-up request feeds back into our process, keeping us sharp and responsive.

    The value in supplying 1,3,5-triacetylbenzene does not come from being just another item on the chemical commodity market. It is rooted in years listening to users, problem-solving side by side, and investing in quality beyond the standard. Each drum or package leaving our facility is not just a product, but a measure of trust—honest, direct, and reinforced by experience. The science behind 1,3,5-triacetylbenzene sets the foundation; our hands-on dedication carries it forward into the next innovation, the next scaled process, and the next solution to industry’s evolving needs.