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3,4,5-Triethoxybenzoic Acid

    • Product Name 3,4,5-Triethoxybenzoic Acid
    • Alias Benzoic acid, 3,4,5-triethoxy-
    • Einecs 213-594-9
    • 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

    318336

    Name 3,4,5-Triethoxybenzoic Acid
    Cas Number 621-98-1
    Molecular Formula C13H18O5
    Molecular Weight 254.28 g/mol
    Appearance White to off-white solid
    Melting Point 162-164 °C
    Solubility Slightly soluble in water, soluble in organic solvents
    Density 1.15 g/cm³
    Purity Typically ≥98%
    Storage Temperature Room temperature
    Inchi InChI=1S/C13H18O5/c1-4-16-10-7-9(13(14)15)8-11(17-5-2)12(10)18-6-3/h7-8H,4-6H2,1-3H3,(H,14,15)
    Smiles CCOC1=CC(=CC(=C1OCC)OCC)C(=O)O
    Synonyms Benzoic acid, 3,4,5-triethoxy-

    As an accredited 3,4,5-Triethoxybenzoic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 25g of 3,4,5-Triethoxybenzoic Acid is packaged in an amber glass bottle with a secure screw cap and label.
    Shipping 3,4,5-Triethoxybenzoic Acid is shipped in tightly sealed, chemical-resistant containers to prevent moisture ingress and contamination. The package is clearly labeled with hazard information per regulatory standards. It should be transported at ambient temperature, handled with appropriate chemical safety protocols, and kept away from incompatible substances during shipping and storage.
    Storage 3,4,5-Triethoxybenzoic Acid should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from moisture, direct sunlight, and incompatible materials such as strong oxidizers. Keep the container clearly labeled and protected from physical damage. Store at room temperature, and ensure appropriate chemical spill containment and safety equipment is readily available nearby.
    Application of 3,4,5-Triethoxybenzoic Acid

    Applications of 3,4,5-Triethoxybenzoic Acid in Industrial Manufacturing

    As a direct manufacturer, we supply 3,4,5-Triethoxybenzoic Acid to critical industrial sectors where unique aromatic acids shape advanced organic synthesis, functional polymers, and specialty chemical products. We detail the primary downstream application fields based on real industry demand, regulatory frameworks, and factory operations.

    1. Synthesis of Liquid Crystal Intermediates for Display Manufacturing

    Our material is essential in the preparation of aromatic polyester intermediates for advanced liquid crystal displays (LCD) used in consumer electronics, automotive panels, and industrial equipment. It enters the process at the esterification stage to modify polymer characteristics, supporting custom alignment and optical clarity. Downstream users formulate blends using precise molar ratios, adapting process temperature and solvent systems to ensure high-purity intermediate synthesis.

    Industry compliance standards

    • RoHS (Restriction of Hazardous Substances Directive, EU)
    • REACH Registration (EU Regulation No. 1907/2006)
    • IEC 62321 (Determination of certain substances in electrotechnical products)
    • ISO 9001:2015 (Quality Management for chemical intermediates)

    Typical usage ratio

    • 10-25% molar equivalents in esterification mixture depending on targeted liquid crystal polymer series
    • Adjustment according to desired birefringence and melting point of intermediates

    Downstream process integration

    • Dosed in oligomer or monomer synthesis reactors during aromatic polyester precursor production
    • Undergoes transesterification and condensation with diols or other substituted benzoic acids

    Final product types

    • Liquid crystal display (LCD) panel polymer films
    • Specialty optical substrates for smart displays
    • Flexible display intermediate coatings
    • Light-modulating polymer additives

    2. Production of Pharmaceutical Intermediates for API Synthesis

    3,4,5-Triethoxybenzoic Acid is a key building block in the multistep synthesis of select pharmaceutical intermediates, where its aromatic structure provides a customizable scaffold for further functionalization. Customers employ this compound in directed acylation, Friedel–Crafts alkylation, and coupling procedures to yield complex intermediates under GMP conditions. Formulation and purity requirements are project-specific and governed by internal quality protocols, as well as external pharmacopeial standards.

    Industry compliance standards

    • ICH Q7 GMP (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • USP <1046>, <621>, and relevant monographs for raw materials
    • FDA 21 CFR Part 211 (Current Good Manufacturing Practice for Finished Pharmaceuticals)
    • EDQM CEP (Certificate of Suitability to the Monographs of the European Pharmacopoeia)

    Typical usage ratio

    • Ranges from 5-15% of the total reactant mass depending on target molecule step
    • Precise ratio determined by stoichiometric calculations linked to desired substitution patterns

    Downstream process integration

    • Charged in the initial arylation or esterification steps of active pharmaceutical intermediate synthesis
    • Feeds into multi-stage process lines involving controlled crystallization and purification

    Final product types

    • Active pharmaceutical intermediates (APIs precursors)
    • Specialty esters for anti-inflammatory and CNS-active agent synthesis
    • Intermediates for contract drug substance manufacturing
    • Reference standards for analytical validation

    3. Manufacturing of High-Performance Polyester Resins

    We supply this acid to advanced polymer producers who incorporate it into co-polymerization blends for specialty polyester resins. Its triethoxy substituents introduce improved processability and performance properties such as chemical resistance and clarity. Usage protocols require precise dosing and co-monomer balancing within reactor vessels under strict temperature and vacuum control. End-product quality relies heavily on upstream raw material purity and proper integration.

    Industry compliance standards

    • ISO 14001 (Environmental Management Systems for production facilities)
    • ASTM D4603 (Standard Test Method for Determining Inherent Viscosity of Poly(ethylene terephthalate))
    • REACH Annex XVII (EU list of restricted substances in polymers)
    • GMP guidelines for indirect food contact resins (FDA 21 CFR 177.1630, where applicable)

    Typical usage ratio

    • 5-18% by weight in co-polymer batch formulations
    • Adjusted according to the viscosity, mechanical strength, and application profile required

    Downstream process integration

    • Added to polymerization reactors together with glycols, other aromatic monomers, and catalysts
    • Enters the process prior to polycondensation step for molecular weight control

    Final product types

    • High-clarity specialty polyesters and copolyesters
    • Engineering thermoplastics for electronic housings
    • Barrier films for food packaging (when approved)
    • Polyester modifiers for automotive and industrial use

    4. Synthesis of Organic Dye Precursors for Specialty Pigment Production

    This raw material performs a targeted role in downstream aromatic dye synthesis, particularly within the segment of triarylmethane, azo, and anthraquinone colorants. Its chemical structure allows selective introduction of ethoxy groups, enhancing solubility and color fastness characteristics. Portions are metered according to the chromophore needs, with process variables controlled to limit by-products. Colorant producers invest in analytical controls to ensure consistent lot-to-lot dye performance.

    Industry compliance standards

    • ISO 9001:2015 for quality management in chemical synthesis
    • EN 71-3 (Migration of certain elements for toys and colored plastics)
    • ZEK 01-08 (German GS Mark requirements for textile and plastic dyes)
    • OEKO-TEX® Standard 100 for textile-related colorants (where relevant)

    Typical usage ratio

    • Routinely 3-10% of total dye precursor blend by weight
    • Adjustments made depending on color intensity, solubilizing requirements, or pigment load

    Downstream process integration

    • Incorporated at condensation or coupling step for aromatic ring modifications
    • Participates in late-stage colorant formulation and final crystallization

    Final product types

    • Organic pigment concentrates for inks, coatings, and plastics
    • Highfastness anthraquinone dyes for textile printing
    • Specialty inkjet and digital printing colorants
    • Polymeric dye dispersions for automotive painting

    5. Chemical Research and Custom Synthesis for R&D Institutions

    Many research institutes, CROs, and development labs purchase 3,4,5-triethoxybenzoic acid as a unique aromatic substrate in structure-activity studies, advanced materials research, and small-scale custom synthesis projects. Chemists employ its ethoxylated profile for targeted organic transformations requiring specific electron-donating groups on benzoic acid cores. Demand in this sector focuses on batch reproducibility, traceability, and analytical documentation.

    Industry compliance standards

    • GLP (Good Laboratory Practice) for reference substances
    • ISO/IEC 17025 (Testing and Calibration Laboratories)
    • REACH pre-registration for R&D exemptions
    • Internal laboratory safety and handling SOPs

    Typical usage ratio

    • Project specific; typically 0.1-5 g per reaction, or 1-15% w/w in precursor mixtures for scale-up
    • Adjusted to experimental design and reactivity screening needs

    Downstream process integration

    • Weighed into round-bottom flasks or vials during bench-scale syntheses
    • Used in test reactions, analytical reference creation, or as a co-monomer in pilot polymerizations

    Final product types

    • Reference samples for analytical chemistry
    • Pilot-scale functional materials
    • Reactive intermediates for structure-activity relationship (SAR) studies
    • Lab-scale new molecule syntheses
    Free Quote

    Competitive 3,4,5-Triethoxybenzoic Acid prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

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    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

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    Certification & Compliance
    More Introduction

    3,4,5-Triethoxybenzoic Acid: An Insight from the Manufacturer’s Bench

    Direct from our Reactors: Our Commitment to Purity and Reliability

    Manufacturing 3,4,5-Triethoxybenzoic Acid brings its own set of lessons. Long hours balancing reaction temperatures and fine-tuning filtration parameters have shaped our understanding of this aromatic carboxylic acid. Success here depends on stain-free glassware, precisely dried solvents, and a real sense of timing: even a few minutes off can change the yield, purity, and downstream performance. Over the years, we have streamlined protocols to produce this compound at scale. We learned early on that slight fluctuations in raw material quality could carry through the reaction chain. Our sourcing standards now demand full traceability back to the field or refinery. In hands-on production, we noticed how minor tweaks in solvent ratios or the thoroughness of post-reaction washing transformed the color and physical integrity of the finished product. Continuous improvement is a concrete process on our factory floor, measurable in improved HPLC results and consistent shipment batches.

    What Sets 3,4,5-Triethoxybenzoic Acid Apart

    Our 3,4,5-Triethoxybenzoic Acid does not belong in the bulk commodity basket. Substitution patterns on the aromatic ring change more than just the compound’s name. The three ethoxy groups at the 3, 4, and 5 positions set the stage for unique solubility behaviors and reactivity profiles. Many customers ask how this acid differs from standard benzoic acid or the more common mono- and diethoxy derivatives. In practice, the triethoxy analog offers enhanced lipophilicity, which allows for easier integration into nonaqueous formulations. End users in pharmaceutical and fine chemical synthesis mark a clear difference during purification—work-ups often require less time with our material, reducing solvent and energy consumption. In the lab, we notice immediate differences during recrystallization, as the triethoxybenzoic acid tends to form more stable and less hygroscopic crystals than its relatives.

    Batch Consistency, User Experience, and Analytical Transparency

    One point we address with every customer is how our in-house analytics relate to the final product quality. Years ago, we relied on basic melting point and TLC confirmation. Today our shipments carry a supporting dossier: HPLC, GC-MS, NMR, and heavy metals analysis. The shift towards advanced analytical controls followed a few painful lessons. Quality complaints from overseas partners once traced back to micro-impurities introduced by a change in vessel cleaning protocol. Tightening those upset patterns was a turning point for us. Now, real-time monitoring using in-line spectrometers ensures batches never drift outside agreed specs.

    Our standard packaging of 3,4,5-Triethoxybenzoic Acid is 25 kg per fiber drum, lined for moisture protection. Some downstream users making high-value pharmaceutical intermediates request smaller, double-bagged units to control trace water ingress. We adjust our approach on the packaging line, not just to meet requests, but to safeguard the compound’s shelf life. We see too many user complaints elsewhere in the supply chain caused by exposure to direct sunlight or repeated drum openings, so we advise on material handling based on our long-term storage tests.

    Common Applications: Synthesis and Beyond

    We manufacture this acid to serve specific, high-demand applications where minor differences in template structure shape the final outcome. Pharmaceutical customers favor its triethoxy profile for targeted derivatization, especially for custom prodrug synthesis or specialized benzamide analog development. Compared to its mono- or diethoxy cousins, our product delivers more predictable esterification rates in multistep synthesis; the solubility profile aligns neatly with nonpolar solvent systems found in chromatographic purifications and intermediate isolations.

    Certain agrochemical researchers look to the triethoxy acid as a precursor for foliar application studies, capitalizing on its garden-variety solubility. In our routine dialogue with university and industrial research teams, it appears increasingly favored when reliable ring substitution confers select metabolic stability or blocks undesired transformation in vivo. Here’s a clear case where a triple ethoxy substitution is more than an intellectual curiosity: in field testing, nucleophilic attack on the carboxy group trailed off compared to less effectively masked analogs.

    Lessons from the Plant: Managing Process Variables

    Much of the manufacturer’s perspective comes from staring at process charts and lineup sheets. Our startup years taught us that each batch brings its own topography—the viscosity shifts along with minute changes in ambient temperature, and solvent evaporation rates depend on more than just pressure control. During esterification, we learned the impact of humidity: a wet day changes the reaction kinetics, requiring operator flexibility. Most textbook process descriptions miss these headaches, but at the operating level, process drift turns into real-world yield loss and troubleshooting.

    We avoid generic solutions to process control. Batch records include timestamped operator notes, closed-loop digital feedback, and independent QC team sign-offs. Mistakes are not erased but logged for future improvements. The upshot shows in the product: scan a crystalline sample under polarized light, and you spot uniform crystal habit and absence of discoloration, which matters for customers targeting optical applications or specific surface area requirements.

    Key Chemical and Physical Properties: On the Ground Insights

    3,4,5-Triethoxybenzoic Acid appears as an off-white to faintly yellow crystalline solid, with a melting point distinctly higher than its mono- and diethoxy relatives. We’ve identified the melting point as a critical quick check for purity, in part because low-level side product formation shows up early here. In GC-MS profiles, the compound’s fragmentation pattern stands out for stability and a lack of volatile impurities, supporting its application in precision synthesis. The acid is sparingly soluble in water, more so in organic solvents such as dichloromethane, ethyl acetate, and aromatic hydrocarbons. Most bench chemists we supply note the ease of filterability and the low static cling when handling dry powder in a glove box or on open benches.

    Unlike lower-substituted benzoic acids, this material resists most forms of oxidative degradation under normal storage; we’ve run shelf-life studies extending past two years under controlled room temperature. Early feedback from bulk buyers pointed out the reduced odor profile compared to alternatives, which we traced back to the triple masking effect of the ethoxy substituents.

    Environmental and Regulatory Considerations

    No large-scale production process operates in a vacuum. We manage effluent and air emissions from our manufacturing processes with a straightforward, directly observed approach. Reaction residues head to an in-house treatment facility that scrubs out residual organics before water leaves our gates. Solid waste—mostly spent filter cakes containing trace organics—undergoes periodic regulatory review, and we keep full retention samples on every batch of outgoing waste for post-treatment analysis. Long-term compliance is managed in collaboration with local authorities and includes a transparent annual reporting cycle.

    Downstream, our customers value a clean regulatory profile, especially those shipping formulations worldwide. Compared to less substituted benzoic acids, the triethoxy derivative faces stricter scrutiny in certain regions, particularly when destined for pharmaceutical or agricultural applications. We maintain available dossiers supporting required REACH and national safety registrations. New regulatory expectations arrive year by year: as restrictions around trace impurities and banned substances tighten, we adjust our raw material acquisition and waste treatment processes to stay compliant without delay. Those details matter, because even a single batch flagged for noncompliance brings supply to a halt and erodes customer trust.

    Logistical Efficiencies and Packaging Routines

    Manufacturing experience teaches that product quality does not end at the reactor or filter. It travels down the line into packaging, shipping, and opening at the user’s site. Drums and bags must stand up to a punishing journey, from truck-borne vibrations to the jostling in trans-shipment warehouses. We switched to reinforced fiber drums after a batch partially clumped during international transit—an expensive episode that set us back weeks. Extra costs in closed packaging now reflect savings in dispute resolution, shipment return, and customer downtime. Demand from R&D and pilot plants for smaller pack sizes led us to re-engineer our bagging setup for half-kilo and five-kilo formats within the same day’s batch.

    We track repeat complaints: tight seals prevent moisture ingress, and tamper-evident tags discourage sample theft or adulteration. Every time we repackage for custom orders, a trained operator checks the lot code and seals the bags under nitrogen to suppress long-term oxidation. These precautions result from hard-earned lessons—nobody wants to hear about a ruined HPLC baseline tracing back to an unnoticed corner of moisture-exposed product.

    Customer Feedback and Long-Term Partnerships

    Conversations with clients, whether over the phone or on lab tours, sharpen our awareness of practical realities. Our longest-standing buyers tell us that a product’s lot-to-lot reliability means more than exotic grades or inflated paper specifications. It means their downstream steps—amidst expensive catalysts and sensitive intermediates—work every time. Many report lower material wastage, reduced purification cycles, and a trusted schedule of deliveries. Sharing production and analytics know-how with key partners created a feedback loop: improved documentation, batch pre-approvals, and tight dialogue between our laboratories and theirs. Users developing regulated pharmaceuticals appreciate the full trace documentation and access to process validation records, while those in research and pilot production benefit from transparent material handling and consistent on-time supply.

    Real-World Challenges and Solutions from Production

    No matter the planning, process disruptions show up. We faced solvent shortages after a regulatory reclassification, forcing us to find alternate suppliers who matched our narrow impurity threshold. Technical teams worked overtime revising solvent recovery protocols, scaling up short-path distillation units, and negotiating new sourcing channels to keep workflows stable. In other cases, an unexpected crystallization failure taught us to implement real-time seed dosing—a small operational change with major yield impact.

    On logistics, global supply chain fluctuations require realigned vendor relationships and alternate warehouse routing to keep material moving across borders. Extreme weather events prompted investment into climate-controlled storage on critical transport corridors. From a ground-level view, adaptability arises from layered experience: chemistry, supply chain, transparent customer communication, and focused investment in process refinement. The solutions emerge not from copybook answers but by direct troubleshooting, customer-focused evaluation, and readiness to pivot as each batch, market, or order demands.

    Conclusion: A Manufacturer’s Perspective, Not Just a Product Sheet

    3,4,5-Triethoxybenzoic Acid is more than a chemical entry or a line in a catalog for us. The product grew from trials, mistakes, dialogue with downstream partners, and continuous effort in both chemistry and supply chain stability. Its triethoxy structure offers clear advantages in solubility, reactivity, and processability, differences we measure daily at production and in dialogue with the end users. Analytical rigor, robust packaging, regulatory clarity, and openness to customer feedback guide our day-to-day operation. For those looking beyond routine options, and needing a product shaped by years of plant-floor practice and a direct relationship with every finished drum, our experience with 3,4,5-Triethoxybenzoic Acid brings more than chemical function—it brings reliability, partnership, and readiness for future challenges.