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1,4-Diethoxybenzene

    • Product Name 1,4-Diethoxybenzene
    • Alias p-Diethoxybenzene
    • Einecs 208-670-5
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    332455

    Chemicalname 1,4-Diethoxybenzene
    Casnumber 1576-42-7
    Molecularformula C10H14O2
    Molecularweight 166.22 g/mol
    Appearance White crystalline solid
    Meltingpoint 56-59°C
    Boilingpoint 257°C
    Density 1.051 g/cm3
    Solubilityinwater Insoluble
    Refractiveindex 1.507

    As an accredited 1,4-Diethoxybenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1,4-Diethoxybenzene is supplied in a 100 g amber glass bottle with a secure screw cap and clear hazard labeling.
    Shipping 1,4-Diethoxybenzene is shipped in tightly sealed containers, protected from moisture, heat, and direct sunlight. It should be handled in accordance with chemical safety guidelines and adequately labeled. Transport is typically via ground or air, complying with relevant regulations for non-hazardous organic compounds. Store in a cool, well-ventilated area.
    Storage 1,4-Diethoxybenzene should be stored in a tightly sealed container in a cool, dry, well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizing agents. Protect the chemical from direct sunlight and moisture. Ensure that storage containers are clearly labeled and handle with appropriate personal protective equipment to prevent inhalation, ingestion, or contact with skin and eyes.
    Application of 1,4-Diethoxybenzene

    Applications of 1,4-Diethoxybenzene in Industrial Manufacturing

    As a direct manufacturer of 1,4-Diethoxybenzene, we supply this material to specialized sectors demanding precise chemical performance, formulation control, and supply chain transparency. Below are key application areas based on industrial practice and regulatory compliance, detailing the required standards, typical usage rates, integration steps, and the related finished goods manufactured by our downstream partners.

    1. High-Performance Polymer Intermediates for Polyarylether Ketone (PAEK) Synthesis

    Polyarylether ketones such as PEEK and PEK require high-purity aromatic monomers during polymerization. 1,4-Diethoxybenzene functions as a di-functional aromatic ether precursor in nucleophilic substitution polymerizations, targeting properties including thermal stability, mechanical strength, and chemical resistance. Downstream manufacturers integrate this compound in reactor charging stages and adjust the ratio based on resin property targets. Compliance ensures precise monomer control to maintain process consistency and batch certification for advanced polymer applications.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management Systems for Polymer Manufacturing)
    • ASTM D6262 (Standard for Polyaryletherketone Resins)
    • REACH Regulation (EC No. 1907/2006)
    • RoHS Directive 2011/65/EU (where applicable)

    Typical usage ratio

    • 3.5–7.0 mol% relative to total aromatic monomer feed; formulators adjust within this range based on molecular weight and flow property targets for the polymer melt

    Downstream process integration

    • Charged during monomer blending in the polycondensation or nucleophilic substitution reactor with bisphenol and aromatic dihalide partners
    • Integrated before polymerization catalysis under inert atmosphere

    Final product types

    • PEEK/PEK resins for wire and cable insulation
    • Extruded engineering plastic parts for aerospace and oil & gas
    • Injection-molded medical device housings (non-implantable)
    • Battery pack components for electric vehicles

    2. Fine Chemical Intermediate for Liquid Crystal Material Production

    Manufacturers of advanced display panels use 1,4-Diethoxybenzene as an intermediate in the multi-step synthesis of liquid crystal monomers, where strict electronic properties and high purity drive demand. End users require consistently controlled input materials to avoid display defects and to satisfy environmental health requirements. The material enters during the etherification and subsequent halogenation or nitration steps of tailored LC monomer routes. Analytical batch release and traceability remain critical to sustain production to specification.

    Industry compliance standards

    • IEC 61249-2-21 (Materials for Printed Boards—Halogen-Free Requirements)
    • China RoHS 2 (Electronic Information Product Management)
    • ISO 14001:2015 (Environmental Management Systems for Electronics Manufacturing)
    • JPCA-ES01 (Japan Printed Circuit Association for display-grade materials)

    Typical usage ratio

    • 0.5–2.0 wt% of total liquid crystal monomer batch, with variations determined by target electronic birefringence and viscosity profile

    Downstream process integration

    • Introduced during the synthesis of etherified or alkylated aromatic blocks in LC mixture design
    • Subsequent derivatization steps lead to LC property tuning molecules, controlling clearing point and dielectric constant

    Final product types

    • Twisted nematic and super twisted nematic LCD compounds
    • Thin-film transistor (TFT) LCD panels
    • OLED driving material blends (as non-active LC host intermediates)

    3. Precursor for Agrochemical Active Ingredient Synthesis

    Agrochemical producers select 1,4-Diethoxybenzene as a precursor in the synthesis of select herbicide and fungicide active ingredients where the aromatic ether moiety improves efficacy, metabolic stability, and soil mobility. Regulatory approval necessitates full input traceability and impurity profiling. Formulation chemists integrate the compound using etherification or Friedel–Crafts reactions to yield high-purity target molecules, later isolated and formulated into commercial crop protection agents.

    Industry compliance standards

    • FAO/WHO Codex Alimentarius (Active Ingredient Purity for Agrochemicals)
    • ISO 17025 (Testing and Calibration Labs, Agrochemical Synthesis)
    • REACH CLP Regulation (EC) No 1272/2008
    • China ICAMA Pesticide Registration Standards

    Typical usage ratio

    • 4–12 mol% depending on the target active’s molecular backbone and substitution pattern required for patent or efficacy reasons

    Downstream process integration

    • Reacted in dedicated intermediate synthesis reactors as the aromatic ether or alkylated block of the molecule
    • Subjected to purity and residual solvent QC prior to final formulation blend

    Final product types

    • Selective pre-emergent herbicide actives
    • Aromatic ether-based fungicidal concentrates
    • Formulated wettable powders and emulsifiable concentrates for seed treatment

    4. Electrolyte Additive Intermediate for High-Voltage Lithium-Ion Batteries

    Lithium battery electrolyte manufacturers use 1,4-Diethoxybenzene as a building block in the functional design of high-voltage-stable electrolyte additives. Its aromatic ether structure contributes to improving oxidative stability, enhancing charge–discharge cycling at elevated voltages, and reducing gas evolution in high-energy density cells. Its introduction occurs in the formulation of specialty carbonate derivatives, with blending precision governed by electrochemical test validation.

    Industry compliance standards

    • IEC 62660-2 (Safety of Secondary Lithium-Ion Cells for Vehicle Applications)
    • UN Manual of Tests and Criteria Part III (Battery Transportation)
    • GB/T 36276-2018 (Chinese Standard for Lithium Battery Electrolytes)
    • UL 2580 (Batteries for Use in Electric Vehicles)

    Typical usage ratio

    • 0.05–0.2 wt% additive in total electrolyte solution; adjusted by battery type and targeted voltage window during pilot cell testing

    Downstream process integration

    • Converted into carbonate or sulfone derivatives via ether functionalization and then incorporated into electrolyte blending kettles or pre-mixes
    • Screened for compatibility with separator and cathode materials via electrochemical cycling tests before commercial cell filling

    Final product types

    • Electrolytes for 4.35V and above Li-ion battery cells
    • Battery packs for electric vehicles and power tools
    • High-voltage energy storage modules

    5. Pharmaceutical Intermediate in Active Molecule Synthesis (Non-API)

    In select pharmaceutical synthesis routes, 1,4-Diethoxybenzene enters early-stage production of non-active intermediates that further react to complex pharmacologically functionalized molecules. Its use focuses on aromatic ether construction to impart desired electronic properties in the precursor stages of certain antihypertensive and anti-inflammatory APIs. Process integration emphasizes pharmaceutical-grade purity and GMP adherence from raw input through multistep conversion.

    Industry compliance standards

    • ICH Q7 (GMP for Active Pharmaceutical Ingredient Manufacturing)
    • USP/NF Monographs (for intermediate quality control)
    • EU GMP Part II (Basic Requirements for Starting Materials)
    • China Pharmacopoeia 2020 (for registered pharmaceutical intermediates)

    Typical usage ratio

    • Varies (commonly 5–10 mol% of initial aromatic input mass); defined by the synthetic pathway to the intermediate and the degree of substitution required

    Downstream process integration

    • Etherification step in small molecule multi-stage schemes in a GMP-compliant environment
    • Subjected to HPLC, GC, and NMR analysis for impurity and residual solvent release

    Final product types

    • Complex aromatic intermediates for non-steroidal anti-inflammatory drug (NSAID) synthesis
    • Intermediates for antihypertensive API routes
    • Further processed to final active ingredients by licensed pharmaceutical manufacturers
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    Certification & Compliance
    More Introduction

    1,4-Diethoxybenzene: Purpose, Performance, and Perspective from the Manufacturer’s Bench

    Understanding the Value of 1,4-Diethoxybenzene

    Every batch of 1,4-Diethoxybenzene that leaves our production line reflects years of focus and refinement. In daily plant operation, small adjustments to pressure or raw material ratios change the end product in ways you can see and feel. That’s not just chemical theory; it’s decades of real residues on reactor walls and subtle shifts in aroma during purification runs. Bringing this compound from raw materials to pure, dust-free product on your dock involves more than a recipe: it’s why experienced plant operators still handwrite margins in the batch log.

    Our model of 1,4-Diethoxybenzene achieves high purity with a fine crystal form, clear off-white color, and consistent melting range. These features reflect the attention to both process design and hands-on inspection at each stage. We check that grain size doesn’t drift across production runs, since particle profile has a direct effect during the compounding or formulation stage for many users. Engineers on our line pull random samples, not just for spectroscopy but for simple touch and pour—when you handle enough product, you know if it’ll clump or flow right away.

    From Feedstocks to Finished Use: Lessons from the Production Floor

    The chemical backbone of 1,4-Diethoxybenzene—a benzene ring with two ethoxy groups—delivers a set of unique traits. In our plant, we see this through its stability and solubility patterns. Working with both phthalic anhydride and ethylating agents, the process moves through controlled substitution under monitored conditions. When operators miss a cue or conditions slip, by-product levels change, yields slide, and purification gets trickier. Experienced teams spot these changes quickly and act before downstream impacts take hold.

    Our customers look to this compound for its reliability in specialty synthesis, fragrance intermediates, and photographic chemicals. One global film manufacturer explained to us how a small impurity in their aromatic intermediates showed up as streaks in finished sheets. After joint troubleshooting, we tightened pressure controls in our own reactors and tracked impurity profiles batch by batch. This hands-on collaboration gave both sides a new level of confidence, and the improvement stuck through regular audits.

    People often ask about the difference between 1,4-Diethoxybenzene and 1,2- or 1,3- isomers. Our direct experience offers a straightforward answer: the para-placement of the ethoxy groups in 1,4-Diethoxybenzene makes a real difference in reactivity and how the product handles in further steps. You won’t get the same intermediates from the ortho or meta types, and their solubility profiles diverge sharply. This matters not just in the lab, but on the factory floor, where solvent choice affects everything from filtration speeds to safe handling.

    Comparing Process Routes and Raw Material Sources

    Customers have asked why we stick to a specific process instead of switching to what’s trending in research papers. It’s straightforward—our synthesis reliably delivers high conversion without excess waste. Every time a new “greener” method comes up, we run a full set of pilot tests. Many turn out less robust in the high-throughput, high-yield context of an industrial line. Cost, environmental controls, and product specification must align, not just in the chart or catalog entry, but in the truckload waiting for shipment. So far, our primary route has outperformed experimental alternatives where it counts: predictable, reproducible results every time.

    Raw material consistency sets the backbone for the finished product. When a global supplier once changed solvents in their upstream process, we caught the shift in the first test batch. Instead of passing on these risks, we flagged the change, recalibrated our purification steps, and updated our customer notes. Having both analytical tools and old-fashioned sensory checks in place keeps us responsive to upstream disruptions before they reach the market.

    Performance in Downstream Applications

    Some of our most intense scrutiny comes from users in electronic-grade chemical synthesis and film production. End users, from mid-sized fragrance houses to industrial resin suppliers, have explained how trace impurities change not just scent or polymer features, but even storage stability over time. In one case, a customer reported a new type of sediment in solution tanks. Our team dug into the production record, tracked down the impurity, and adjusted the filtration step. Keeping application effects in mind during manufacture gives us a direct line between what’s happening in our process and what shows up in your solvent bottle or compounding line.

    Direct feedback tells us most clearly which product variants perform. Epoxy resin modifiers favor a certain particle size, while dye makers need absolute clarity in the liquid phase after dissolution. Our technical service team doesn’t rely only on processed reports. Many of our conversations with formulation chemists happen in real time, sharing observations on viscosity or settling as we move through plant and lab testing together.

    Over the years, several users have switched from 1,2-diethoxybenzene or even monohydroxy derivatives, thinking cost savings mattered most. In nearly every case, flow rates, solubility, and reaction control issues brought them back to the para version. For an in-house example, one polymer additive project nearly derailed until a chemist suggested the 1,4- variant as a cleaner, more stable building block. Within days, growth rates stabilized and end properties met spec for the first time. The structural position of the ethoxy groups really does affect downstream chemistry in ways that matter for industrial output.

    Quantifying Purity: What the Numbers Actually Mean on the Plant Floor

    On paper, most products claim “purity above 99%”. We see those numbers as the minimum bar, not the goal. Production at scale brings challenges you won’t find in bench-scale reports. Particle sizing, color checks, and dissolution tests keep variability in check, batch after batch. A small shift in purity during scale-up can set off utility demands or cause yield slips. Our approach treats these statistics as real triggers for action. If a chromatogram indicates a rising impurity, adjustments begin before the lot leaves storage. Our priority rests with results you see, not just claims made.

    Each unit shipment comes with a traceable batch record. We’re not content with standard specifications: we reference the lot’s data against decade-long production averages, looking for outliers. One time, this long-term view flagged a trending shift in a related by-product. Our crew isolated the issue to a maintenance event that had changed condenser efficiency. Such direct learning only comes from hands-on process work, where maintenance and quality teams speak the same language.

    Environmental Considerations in the Production of 1,4-Diethoxybenzene

    Decades in chemical manufacturing have highlighted more than just yields and costs. Handling aromatic ethers demands attention to air, water, and waste. At our facility, solvent recovery gets top priority. Over the years, design engineers have refined each exchanger and separator to wring out more product and recover more input from every unit operation. These efforts don’t show in a spec sheet, but they make a real difference in emissions statistics.

    We maintain zero-discharge standards for key process waste streams. When local regulators tightened limits on volatile organic emissions, our plant led rollouts for upgraded scrubbing. Operators call in changes as soon as a measurement looks off. Over time, this has reduced both visible emissions and unexpected hazards. These steps aren’t one-off projects—they require a culture of constant review and hands-on troubleshooting.

    Safety, Handling, and Plant Experience

    Handling 1,4-Diethoxybenzene at scale means facing the realities of flammable solvents and aromatic feedstocks. Every new hire on the line gets practical training in segregating solvent transfers and monitoring vapor control, not just for regulatory paperwork but to head off near-miss events that can halt the entire plant. Shift leads recount real-world stories—overheated storage zones, unexpected condensation in transfer lines—to drive home why even a skipped step can put both product and people at risk.

    During scale-up, we doubled down on fire prevention, training for every section. Investments in fixed detection and ventilation gear followed not just compliance, but operator requests based on their daily experience. Reviewing incident logs from years of production, the clear trend points to most issues emerging during maintenance or cleaning. Planning for these operations keeps every run closer to plan, and lets our operators focus on making, not firefighting.

    Partnering with Users: Technical Service Built on Shared Knowledge

    Our relationship with every buyer doesn’t end at shipment. In one partnership, a new fragrance innovator found off-odors in scale-up trials. After troubleshooting, our team uncovered a trace solvent left behind during transfer at their site. Sharing our in-plant sample routines solved the problem for both sides, and future consignments ran clean. These cases underscore real collaboration, built on honest feedback.

    Product innovation often starts with a shared question. Years ago, a user in fine chemicals asked about tweaking particle sizing to fit their batch reactors. We brought back samples at varying grind sizes, monitored thermal behavior, and worked alongside their team over multiple trial batches. Together, we landed on a version that provided cleaner filter cake separation. This didn’t just deliver a specialty version—it set a new SOP for our own production line.

    Responding to diverse needs, we have adjusted select properties, from moisture content to flow behavior, based on direct user calls. Every year, special runs feed learning back into bulk production cycles. It’s a rhythm that keeps both plants and users tuned to what matters for present demand and future opportunities.

    Distinctives of 1,4-Diethoxybenzene in Comparison to Related Compounds

    Not all ethers behave alike, and subtle changes in structure change real-world use. 1,4-Diethoxybenzene, with its two ethoxy groups across the para-positions of the ring, generates a symmetry that pushes boundaries in both reactivity and purity standards. Structural variants, such as monoethoxy or 1,2- isomers, bring in reactive sites that open up a different set of by-products, stability concerns, or handling quirks. For resin makers and performance additives, the para placement cuts down on side reactions during polymerization.

    We’ve found that switching between related compounds isn’t a matter of swapping specifications. Small changes to process conditions or raw material supply can throw off entire downstream processes for users who rely on consistent output. That’s why we stick with controlled, reproducible synthesis and rigorous quality control. Real differences in end product often show up far from the original manufacturing site—sometimes at the customer’s own extruder, other times in unexpected storage tank behavior. Over the years, feedback from both batch chemists and machine operators has shaped our own benchmarks for this compound, driving gradual improvements you can measure in the lab and see in day-to-day output.

    Ongoing Improvement and Future Outlook

    As new applications for 1,4-Diethoxybenzene develop, continuous optimization remains our focus. Facing higher purity needs from electronics and advanced materials, we expand testing and fine-tune purification. Facility upgrades cycle in extra filtration, improved crystallization, and solvent recovery trials based on in-house evaluation and direct customer feedback. Even minor changes in process steps ripple into reliability and performance in every use.

    Demand for greener chemistry shapes both raw material choices and expectations for transparency throughout the supply chain. Our plant teams weigh sustainable solvent procurement with the hard realities of year-round output and consistent product quality. By investing in both technical staff development and plant equipment, we aim to deliver benchmark products while staying responsible to communities and customers alike.

    For us, the journey of 1,4-Diethoxybenzene doesn’t stop at the loading dock. Every batch moves out into industries that rely on tight chemistry, consistent form, and traceable performance. That understanding guides each improvement, every operator’s observation, and the focus of our research teams every day. The lessons we draw from past production runs, field complaints, and collaborative problem-solving shape our approach to making a better product tomorrow.

    Final Thoughts: Putting Experience to Use

    Working as a manufacturer brings both pride and humility. Every run of 1,4-Diethoxybenzene carries the fingerprints of the team behind it—from chemists at the drawing board to the operators on the night shift. Decades of troubleshooting, innovation, and honest feedback have helped us build a product suited for exacting users, in industries that judge quality not just by numbers but by results in real-world production. The process never stands still. As end-use requirements shift, we evolve alongside them, listening to the market and trusting the hands-on knowledge built up on every batch we make. This approach has proven its worth, time after time, for our users—and for our own crew.