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1,2,3-Trimethoxybenzene

    • Product Name 1,2,3-Trimethoxybenzene
    • Alias Hemimellitene
    • Einecs 211-694-1
    • 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

    895553

    Chemicalname 1,2,3-Trimethoxybenzene
    Molecularformula C9H12O3
    Molarmass 168.19 g/mol
    Casnumber 526-91-0
    Appearance Colorless to pale yellow liquid
    Meltingpoint 25-28°C
    Boilingpoint 258-260°C
    Density 1.111 g/cm³
    Refractiveindex 1.532 (at 20°C)
    Solubilityinwater Slightly soluble
    Flashpoint 118°C
    Smiles COc1cccc(OC)c1OC

    As an accredited 1,2,3-Trimethoxybenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1,2,3-Trimethoxybenzene, 100g, packaged in a sealed amber glass bottle with a secure screw cap and hazard labeling.
    Shipping 1,2,3-Trimethoxybenzene is typically shipped in sealed, airtight containers to prevent contamination and moisture exposure. The chemical should be labeled clearly according to regulatory guidelines. It is transported under ambient conditions, away from strong oxidizers, and handled with care to avoid leaks or spills. Compliance with all relevant safety regulations is required.
    Storage 1,2,3-Trimethoxybenzene should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizing agents. Keep the container tightly closed and properly labeled. Store away from direct sunlight and moisture, ideally in a chemical storage cabinet designed for organic compounds. Follow all relevant safety and regulatory guidelines when handling.
    Application of 1,2,3-Trimethoxybenzene

    Applications of 1,2,3-Trimethoxybenzene in Industrial Manufacturing

    1,2,3-Trimethoxybenzene serves essential roles in specialty chemical production, particularly as an intermediate for downstream synthesis in the pharmaceuticals, agrochemical, pigment, and polymer additive sectors. The following sectors represent established industrial pathways for this material based on verified chemistry and regulatory requirements.

    1. Pharmaceutical Intermediates for Active Pharmaceutical Ingredient (API) Synthesis

    Our facility supplies 1,2,3-Trimethoxybenzene for use in the synthesis of specific APIs, especially as a methoxylated aromatic building block in anti-neoplastic, antiarrhythmic, and other therapeutic agents. Process chemists employ it in aromatic nucleophilic substitution, methylation, and cyclization reactions to construct pharmacophores such as 5,6,7-trimethoxy substituted benzene moieties, which are core structures in compounds like colchicine analogues and certain calcium channel blockers. Our QC laboratories monitor trace-level purity and residual solvents to meet pharmaceutical requirements.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP) General Chapter <867>
    • European Pharmacopoeia monograph 2.2.46 (purity assessment for starting materials)
    • FDA 21 CFR Part 211 (cGMP)

    Typical usage ratio

    • 0.2–0.8 molar equivalents per batch, depending on target molecular framework
    • Ratio may adjust up to 1.5 eq. for side chain extension or multistep synthesis

    Downstream process integration

    • Direct input to methoxylation and cyclization reactions for heterocycle formation
    • Introduced during alkylation steps of multi-stage batch synthesis
    • Used as a starting material prior to halogenation or reduction for aromatic core elaboration

    Final product types

    • Anti-cancer drug intermediates (e.g., colchicine derivatives)
    • Cardiac arrhythmia treatment APIs (e.g., amiodarone analogues)
    • Precursor for neuropharmaceutical scaffolds

    2. Agrochemical Synthesis (Herbicide and Fungicide Intermediates)

    Manufacturers in the agrochemical sector utilize 1,2,3-Trimethoxybenzene as a methoxy group donor and aromatic backbone in multistage synthesis of certain selective herbicides and fungicides. The methoxylated benzene core is critical for substrate specificity and biological activity in phenoxycarboxylic acid and triazole analogues. Strict process controls and traceability systems oversee the handling of this intermediate to mitigate contamination risk and assure downstream formulation consistency.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management System for chemical raw materials
    • REACH registration (EC No 218-516-3) for import/export within the EU
    • China GB 2763 Maximum Residue Limits for Pesticides (for downstream testing)

    Typical usage ratio

    • 0.1–0.6 molar ratio based on target active structure
    • Adjusted in multi-step syntheses to control byproduct profiles

    Downstream process integration

    • Fed into condensation and etherification reactors as a key aromatic fragment
    • Combined with chlorination or nitration steps for ring functionalization
    • Used as a late-stage modification agent in formulation blending

    Final product types

    • Phenoxyacetic acid herbicide intermediates
    • Triazole fungicide building blocks
    • Selective weed control compound precursors

    3. Organic Pigments and Dyes Manufacturing

    Our 1,2,3-Trimethoxybenzene supports pigment and dye synthesis by providing a stable aromatic ether base that improves color depth and fastness in anthraquinone, azo, and methine dye classes. Pigment manufacturers integrate this compound in the etherification phase to produce high-purity colorants for plastics, inks, and fibers. We implement supply chain transparency and in-house HPLC testing to support regulatory traceability and ensure batch color consistency for industrial customers.

    Industry compliance standards

    • EN 71-3:2019 (safety of toys, migration of certain elements for pigment use)
    • OEKO-TEX Standard 100 (textile dye chemical assessment)
    • DIN EN ISO 9001:2015 (Quality Management for pigment intermediates)
    • US EPA 40 CFR Part 721 (Significant New Use Rules for certain colorants)

    Typical usage ratio

    • 5–20% by mass for colorant synthesis relative to total aromatic input
    • Adjusted for depth, hue control, and pigment type (e.g., anthraquinone derivatives use higher ratios)

    Downstream process integration

    • Introduced during the O-methylation step in colorant precursor formation
    • Melt phase blending for pigment backbone assembly
    • Post-synthesis incorporated for shade refinement in mixer-reactors

    Final product types

    • Fiber-reactive dyes for polyester and nylon fabrics
    • Solvent-based printing inks
    • Organic pigments for plastic coloration
    • Automotive and industrial coatings

    4. Polymer Additives and Crosslinking Agent Manufacturing

    Downstream polymer chemical producers utilize 1,2,3-Trimethoxybenzene as a monomer precursor for synthesizing specialty crosslinkers and plasticizer intermediates. Its trimethoxy groups increase solubility and segmental flexibility in the resultant additives, which enhance the thermal and mechanical properties of engineering plastics, adhesives, and synthetic rubbers. Our technical support team collaborates directly with polymer manufacturers to provide on-spec raw material and supply COA documentation for REACH and TSCA compliance.

    Industry compliance standards

    • EU REACH Regulation (EC) No 1907/2006 for polymer substance registration
    • US TSCA Inventory Compliance
    • ISO 14001:2015 for Environmental Management (additive production)
    • ASTM D2566-16 (polymer additive ingredient testing)

    Typical usage ratio

    • 0.5–5 wt% in bulk resin production
    • Precise dosage optimized in pilot studies for specific polymer matrices and flexibility targets

    Downstream process integration

    • Blended directly into resin melt during extrusion for crosslinker formation
    • Pre-reacted with diisocyanates or anhydrides ahead of compounding
    • Dosed in batch autoclaves for elastomer modification

    Final product types

    • High-performance crosslinked epoxy resins
    • Flexible plasticizers for polyvinyl chloride (PVC)
    • Thermal stabilizer additives for engineering polymers
    • Rubber process oils and modifiers
    Free Quote

    Competitive 1,2,3-Trimethoxybenzene prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    1,2,3-Trimethoxybenzene: Consistent Quality for Advanced Chemical Processes

    Experience and Background with 1,2,3-Trimethoxybenzene Production

    Our experience with 1,2,3-Trimethoxybenzene began decades ago, starting in small batches supported by curious applications from research groups and pharmaceutical companies. We’ve grown with our customers’ needs, improving each stage of the process to deliver material that meets critical requirements for purity and performance. This compound, with the molecular formula C9H12O3 and CAS number 526-91-0, represents a stable aromatic ether with three methoxy groups at the 1, 2, and 3 positions of the benzene ring. Our entire workflow develops around the goal of delivering consistent batches, free from isomeric contaminants and colored impurities that can disrupt delicate syntheses downstream.

    Handling the process in-house, we have tailored each production step—methylation, crystallization, drying, and packaging—to minimize side products and maximize product integrity. During methylation, strict control of temperature and the addition rate of methylating agents prevents unwanted dimethoxybenzene or over-alkylated polyethers. For crystallization, cooling profiles and solvent selection ensure that even small-scale requests yield a product ready for use across research or manufacturing.

    Specifications and Batch Verification

    1,2,3-Trimethoxybenzene arrives as a white crystalline solid with a melting point typically ranging between 55°C and 58°C. This physical quality markers matter; a slight yellow hue or lower melting range usually signals contamination or thermal history issues—problems we learned to avoid through in-process checks and end-point analytics. Each batch runs through gas chromatography to confirm purity greater than 99.5%, supported by NMR for structural verification. These methods—set up on our premises rather than outsourced—help us guarantee that downstream processes won’t stall due to material inconsistencies.

    Moisture and ash content also play a role in how our product performs in demanding reactions, especially oxidative couplings and Grignard work. By adjusting our drying and handling routines, typically using inert atmospheres and water-free grinding stations, overall water content remains below 0.1%. Ash content supports applications in electronics, as even minor inorganic residues can alter catalyst performance or fiber properties in specialty polymers.

    Usages Rooted in Proven Results

    Demand for 1,2,3-Trimethoxybenzene comes from a few key sectors, each with their non-negotiable criteria for material quality. The pharmaceutical field relies on this compound as a critical intermediate in the synthesis of complex heterocycles, antihypertensive actives, and some antihistamines. We understand that a batch failing on purity, even by a fraction, can cause disastrous chromatography profiles—problems we hear about directly from our customers who let us know exactly where our material ended up in their reaction sequence.

    In the dye and pigment industries, 1,2,3-Trimethoxybenzene often forms the starting point for azo dyes that find their way into specialty inks and coatings. Here, color stability and reactivity hinge on trace impurity control. Through the years, we received feedback from formulators who found that even minor impurities in the methoxybenzene series altered absorption spectra or introduced solubility challenges. We approached this with careful selection and cleaning of synthesis vessels, as well as stricter solvent purification protocols.

    We also see steady orders from material science and electronics companies integrating 1,2,3-Trimethoxybenzene into organic semiconductor research and the synthesis of advanced functional materials. In these areas, our technical support team frequently helps lab teams identify issues in synthetic routes or raw material compatibility, drawing directly from our experience in troubleshooting batch anomalies. Some of our long-term partners credit their process improvements to our willingness to share precise spectroscopic data and recommend subtle process tweaks, such as adjusting solvent gradients or recrystallization cycles, based on our hands-on production knowledge.

    Differences That Come With Genuine Manufacturing Control

    One of the most frequent questions we address concerns the difference between our product and similar materials on the market. Over the years, we have seen customers frustrated after relying on resold or repackaged 1,2,3-Trimethoxybenzene that suffered from lot-to-lot variation, unclear documentation, or aging that leads to unwanted discoloration. Since we handle everything—from precursor sourcing to final product packing—every step is documented and traceable, with no room for guesswork or undisclosed substitutions.

    Some might assume that any trimethoxybenzene will do. From a chemical point of view, position isomers dramatically affect the electron density of the ring and downstream reactivity. The 1,2,3-substituted version offers a unique profile for electrophilic aromatic substitution relative to 1,2,4- or 1,3,5- variants. We regularly receive requests from synthetic chemists who tried other isomers only to find poor yields or unexpected polymorphs during scale-up. Early in our production history, we had experimented with mixed isomer streams and saw firsthand how a few percent of 1,2,4- trimethoxybenzene sneaking through would derail certain syntheses.

    The other distinction is in particle sizing and handling. Through trials with our pharmaceutical partners, we found that crystalline consistency supports predictable dissolution rates and blending in API synthesis, especially when moving from gram to multi-kilogram lots. Physical consistency reduces batch-to-batch process adjustments and helps our partners hit their QA goals. For those formulating masterbatches or high-solids coatings, this translates to more repeatable performance and color stability. We review customer feedback regularly and have responded by changing filter mesh sizes, adjusting the cooling stage timing, and aiming for a blend of flowability and low dusting.

    Addressing Challenges and Solutions Born from the Shop Floor

    Like any complex chemical product, 1,2,3-Trimethoxybenzene production faces its share of hurdles—some predicted and others emerging as markets shift. One persistent challenge relates to sourcing of anisole and other raw materials needed for high-purity methylation. We’ve watched supply chains tighten due to regional production swings or stricter environmental guidelines around certain by-products. Instead of scrambling when shortages hit, we built inventory reserves and secured multiple vetted sources for feedstocks, using in-house analytical screening to guard against unexpected impurity profiles. This hands-on supply management means we don’t cut quality or stretch inventory from suspicious origins, even in tough years.

    Another issue comes from the environmental and safety side. Each generation of equipment upgrades demanded new protocols to limit volatile organic emissions, particularly during methanol recovery and product drying steps. Designing robust closed-loop systems and solvent recycling was not only a regulatory necessity; it saved on costs and improved workplace safety after a series of minor incidents we encountered more than a decade back. Real-world experience dealing with solvent leaks and the residue build-up taught our team that small process changes—better gaskets, automated tank washing, faster filtration—helped both the environment and downstream purity.

    Waste disposal, often overlooked in chemical manufacturing conversations, takes center stage when you handle tons of material. We moved from treating all side streams as hazardous to a sorting system that captures reusable solvents and recyclable by-products. Feedback from local authorities and auditors shaped our approach to effluent monitoring and forced us to quantify each waste pathway with material balances. Over the years, this resulted in less haul-away waste and improved community relationships—a side benefit that matters in chemical manufacturing, where public trust impacts expansion and re-permitting.

    On the application side, several customers encountered fungal blooms and oxidative yellowing in long-term storage, especially in humid climates. Drawing on our batch reserve studies, we recommended improved packaging and optional nitrogen-flushed containers. Our manufacturing team collaborated with logistics partners to specify shrink-wrapped drums and sealed liners that cut down on oxygen and water vapor penetration. This reduced complaints and lengthened shelf life, particularly for customers without specialized storage facilities.

    Building Trust through Traceable Data and Customer Collaboration

    Manufacturing expertise means more than just having reactors and filter presses; it requires understanding what goes wrong when theory doesn’t match real-world scale-ups. Over several cycles, we invested in plant-wide data acquisition, allowing every unit operation to connect analytical results with digital records. This brings peace of mind, especially for customers working under regulatory scrutiny. Every batch of 1,2,3-Trimethoxybenzene can be traced back with a documented sequence of analytics, verifying compliance and simplifying audit trails.

    Customer requests often push our team to go beyond the basic material supply. Some labs request pre-packed kilogram bottles for easy transfer into gloveboxes or smaller labs, while others require large drums for campaign-scale synthesis. By adapting to these needs, we grew more efficient at format changes without losing sight of quality. Our technical service group backs up product support with experience gained from actual production mishaps and successes, never just quoting literature but offering guidance based on what we’ve faced on the shop floor. We prioritize continuous improvement because each resolved issue turns into a knowledge gain, benefitting the next project down the line.

    Why Consistency Matters for Emerging Markets

    Newer fields like organic LEDs, chemical vapor deposition, and advanced coatings often stretch purity requirements further than legacy industries. These segments value reliability above all else. When a research team invests months into a new device architecture, the last thing anyone wants is an unexpected impurity from a raw material supplier forcing revalidation and jeopardizing IP filings. Our internal communications with R&D partners taught us to test every process, identifying minor off-gassing products or metal traces that can become show-stoppers in electroluminescent devices. From our perspective, open channels with end-users support everyone, allowing faster troubleshooting and higher ultimate yields for challenging projects.

    On the pharmaceutical front, regulatory questions keep evolving. The newest requirements often press us for deeper knowledge of potential nitrosamine formation, photostability, and impurity profile mapping. By keeping our own QC team trained on the latest detection protocols, we stay ahead of changing compliance rules and can provide requested data sets quickly. One lesson learned involves shifting some testing in-house after repeated delays and errors from third-party labs, giving us direct feedback and stricter control.

    A Manufacturer’s View on Product Adaptation and Risk Management

    Looking out from the plant side, material precision is always a moving target. End users adapt, so manufacturers must, too. Years ago, we found certain dye makers struggled with our standard 20-kilogram packaging, leading to repeated exposure and minor spills in busy ink plants. Working together, we designed smaller, easy-open pails with integrated liners, cutting waste and minimizing ergonomic issues on the client end. These product tweaks, focused on the true usage environment, resulted in safer and more efficient workflows both for us and our partners.

    For those pursuing scale-up to commercial manufacturing, risks of batch contamination, shipment delays, or spec drift remain high if the manufacturer loses connection with both production and application knowledge. We never rely solely on customer specifications; we keep a log of returned material issues and solve root causes whenever possible, whether it’s cleaning bulk tanks or swapping out an aging centrifuge that created trace iron contamination. This willingness to fix problems quickly determines who stays in business through industry cycles.

    Continuous Learning: Listening and Acting on Feedback

    We see our biggest gains when listening carefully to returning customers who noticed something not quite right in their process. Once, a research team reported an unexpected pressure swing during their hydrogenation step, which traced back to a marginal solvent carry-over we’d not seen in standard tests. Investigating this with them, we tightened our post-crystallization washing, changing the rinse solvent sequence, leading to cleaner material next round. Every improvement is rooted in input that comes from shared experience, not just from specification sheets.

    By directly managing product adaptation based on real customer cases, we lower overall risk for both sides. We are always ready to review batch records, trend data, and reported analytics with clients interested in root cause analysis. We rely on these partnerships to shed light on hidden variables affecting process outcomes; feedback from the front lines continues to refine our approach and ensure reliability across applications.

    Championing Genuine Manufacturing Over Mere Repackaging

    Walking the plant floor, you know right away the difference between a real manufacturer and a mere shipper. Each drum we produce of 1,2,3-Trimethoxybenzene holds behind it years of trial, error, process refinement, and steady operator attention. Those who just buy and resell never deal with a stopped crystallizer on the hottest summer day, or the nerve-wracking alarm after a rogue impurity spikes mid-run. Our confidence comes from solving these problems directly, not from reading about them in secondhand guides or spec sheets.

    Industry knowledge sticks when it’s forged through daily work—managing the carbonation step at dawn, tuning dryers by ear, and tracking the evolution of a batch as it moves through the line. That real-world grounding is why customers return, trusting that the next drum will perform like the last, and the batch after that. The risks we face by keeping every step under our own roof—chemical, operational, and even regulatory—are balanced by this promise of reliability and direct accountability when things go wrong.

    Building Value Together

    Suppliers can talk about high standards, but manufacturing experience proves its value in steady delivery through peaks and valleys, not just in good years. We invested time and effort into building relationships, whether supporting a startup’s first large pilot batch or keeping a multinational plant supplied during a raw material crunch. Every time we help a customer solve an application puzzle, recommend a process fix, or push our internal team for a small batch tweak, the industry grows more robust.

    1,2,3-Trimethoxybenzene may seem to occupy a specialized niche, but those of us producing it know the level of effort and skill that go into every kilogram. That commitment finds its place in complex syntheses, cutting-edge devices, and the hands of teams betting their future on reliable chemistry. Our approach comes down to honesty, technical know-how, and an open willingness to adapt process and product to what clients actually face on the ground. Each customer’s success marks a point in our own continuing story with 1,2,3-Trimethoxybenzene—and that story is built batch by batch, always grounded in practical manufacturing reality.