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3,4,5-Trimethoxybenzaldehyde

    • Product Name 3,4,5-Trimethoxybenzaldehyde
    • Alias VarenTM
    • Einecs 210-975-3
    • 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

    437433

    Cas Number 86-81-7
    Molecular Formula C10H12O4
    Molecular Weight 196.20 g/mol
    Appearance White to off-white crystalline powder
    Melting Point 75-78 °C
    Boiling Point 355.6 °C at 760 mmHg
    Density 1.18 g/cm³
    Solubility In Water Slightly soluble
    Refractive Index 1.577
    Flash Point 160.9 °C
    Purity Typically ≥98%
    Synonyms 3,4,5-Trimethoxybenzaldehyde; Benzaldehyde, 3,4,5-trimethoxy-
    Smiles COC1=CC(=CC(=C1OC)OC)C=O

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

    Packing & Storage
    Packing 100g of 3,4,5-Trimethoxybenzaldehyde is supplied in a sealed amber glass bottle with a white screw cap and chemical label.
    Shipping 3,4,5-Trimethoxybenzaldehyde is typically shipped in tightly sealed containers, protected from light and moisture. It is classified as a non-hazardous substance for transport but shipped as a chemical reagent. Packages are securely labeled and cushioned to prevent leaks or damage during transit. Standard ground or air shipping methods are commonly used.
    Storage 3,4,5-Trimethoxybenzaldehyde should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Protect it from light and moisture. Clearly label the container and keep it away from acids and bases. Follow standard procedures for hazardous chemical storage to ensure safety.
    Application of 3,4,5-Trimethoxybenzaldehyde

    Applications of 3,4,5-Trimethoxybenzaldehyde in Industrial Manufacturing

    3,4,5-Trimethoxybenzaldehyde serves as a crucial aromatic intermediate in several specialized chemical sectors. Its unique reactivity and substitution pattern enable targeted synthesis and functionalization across fine chemicals, pharmaceutical actives, agrochemicals, dyes, and more. Below, we outline several established integration scenarios, detailing regulatory frameworks, technical ratios, processing entry points, and validated end products.

    1. Active Pharmaceutical Ingredient (API) Synthesis: Anticancer Agents

    3,4,5-Trimethoxybenzaldehyde is a key building block in synthesizing specific anticancer APIs, notably podophyllotoxin derivatives and combretastatin analogues. The aldehyde function allows for efficient ring formation and condensation steps critical to API backbone assembly. Batch production environments implement strict controls from raw material input through to isolated intermediate, with in-process monitoring for residual solvates and controlled impurity profiles.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • 21 CFR 210/211 (US FDA)
    • European Pharmacopoeia (Ph. Eur.) monographs for starting materials
    • Chinese Pharmacopoeia guidelines for API intermediates

    Typical usage ratio

    • 0.8–1.2 molar equivalents relative to core substrate, adjusted for target yield and impurity control
    • Level optimized per step purity and downstream throughput

    Downstream process integration

    • Introduced during aldehyde-amine or aldehyde-phosphonate condensation, often under controlled pH and temperature
    • In-line monitoring of reactant conversion with HPLC
    • Feeds directly into multi-step synthesis rows for complex API scaffolds

    Final product types

    • Podophyllotoxin intermediates
    • Combretastatin A-4 analogues
    • Other methoxyphenyl-derived cytostatic compounds

    2. Fine Chemical Synthesis: Aromatic Ether Construction

    Chemical manufacturers employ 3,4,5-Trimethoxybenzaldehyde as an essential intermediate in preparing high-purity aromatic ethers used for electronics, organic materials, and analytical reagents. The compound's methoxy groups enable selective substitution and cross-coupling, granting access to structures with controlled electronic properties. Production emphasizes controlled stoichiometry, rigorous purity assurance, and trace contaminants removal.

    Industry compliance standards

    • ISO 9001:2015 Quality Management
    • REACH Regulation (EC) No 1907/2006
    • RoHS Directive 2011/65/EU for electronics-grade materials

    Typical usage ratio

    • 1.0–1.5 molar equivalents based on type of etherification or cross-coupling
    • Adjusted depending on desired substitution degree and conversion rates

    Downstream process integration

    • Added at aromatic ether synthesis stage, reacting with alkyl halides or phenolic counterparts
    • Process operated under inert atmosphere for sensitive applications
    • Purification involves crystallization and chromatography

    Final product types

    • Triaryl ethers for liquid crystal displays
    • Custom analytical standards
    • Conductive polymers and molecular electronics intermediates

    3. Agrochemical Intermediates: Synthesis of Herbicide Building Blocks

    Manufacturers utilize 3,4,5-Trimethoxybenzaldehyde to construct phenolic and benzyl derivatives precursor to modern herbicide actives. The aromatic core supports etherification, reduction, and halogenation steps characteristic of many selectivity-imparting agents. Downstream processes require reliable feedstock quality for optimal biological activity in final formulations.

    Industry compliance standards

    • ISO 9001:2015 (Quality management for agrochemicals)
    • Chemical Facility Anti-Terrorism Standards (CFATS, US)
    • Directive 91/414/EEC (EU pesticide active approvals)

    Typical usage ratio

    • 0.5–1.0 molar equivalent per phenol or halide precursor, adjusted per reaction efficiency
    • Optimized for minimal byproducts in multi-step syntheses

    Downstream process integration

    • Charged in aromatic ring functionalization reactions (e.g., O-methylation, reduction to benzyl alcohol)
    • Undergoes further coupling or oxidation in dedicated reaction vessels
    • Inline GC/MS verification before transfer to formulation tanks

    Final product types

    • Selective benzyl herbicide intermediates
    • Phenoxyalkanoic acid analogues
    • Active ingredient synthesis blocks for broadleaf weed control

    4. Dyestuff and Pigment Industry: Synthesis of Complex Azo and Anthraquinone Dyes

    Specialty dye manufacturers incorporate 3,4,5-Trimethoxybenzaldehyde in crafting vividly colored azo and anthraquinone dye molecules. Its electron-rich structure allows for introduction of unique chromophores, improving color fastness and bath stability in textile processing. Quality teams track residual organic impurities and enforce batch traceability on all precursor inputs.

    Industry compliance standards

    • OEKO-TEX Standard 100 (textile dye safety)
    • EN 71-3 (heavy metal migration in pigments)
    • ISO 9001:2015 (colorant production)

    Typical usage ratio

    • 0.7–1.3 molar equivalents, tuned for color depth and consistency per batch
    • Frequently reoptimized by dye chemists for shade reproducibility

    Downstream process integration

    • Engaged directly in azo coupling or quinone ring closure steps
    • Integrated with sulfonation and diazotization sequences
    • Colorimetric check and FT-IR verification at final dye intermediate

    Final product types

    • Reactive dyes for cotton and synthetics
    • Complex acid dyes for wool and silk
    • Anthraquinone pigments for high-end coatings and inks

    5. Fragrance and Flavors: Synthesis of Aromatic Aldehyde Derivatives

    Specialized fragrance houses employ 3,4,5-Trimethoxybenzaldehyde as a high-purity precursor in the targeted synthesis of aromatic aldehydes and acetals for fine fragrance compositions. Its methoxy substitution ensures refined, sweetly floral notes while supporting downstream transformation with precise stereochemistry.

    Industry compliance standards

    • IFRA Standards (International Fragrance Association)
    • Food Chemicals Codex (FCC, flavor applications)
    • ISO 9001:2015 (fragrance ingredient quality)

    Typical usage ratio

    • 0.2–0.8% mass by formulation in intermediates pre-blend
    • Levels adjusted for volatility and scent intensity targeting

    Downstream process integration

    • Fed into acetalization or methylation lines under dry nitrogen
    • Fractional distillation for final purity of aroma chemicals
    • Sensory batch release performed prior to blending

    Final product types

    • Specialty aromatic aldehydes for fine fragrances
    • Flavoring agents for confectionery and beverages (non-direct additive)
    • Intermediate notes in homecare and personal care aroma portfolios

    6. Research Reagents: Synthesis of Pharmacological Probes and Reference Standards

    Producers of laboratory and diagnostic reagents rely on 3,4,5-Trimethoxybenzaldehyde to construct libraries of pharmacological probes and custom-labeled aromatic standards. The molecule allows controlled introduction of electron-rich benzaldehyde groups into screening compounds, targeted for binding and receptor studies or spectral calibration.

    Industry compliance standards

    • ISO 13485:2016 (medical device and diagnostics reagents)
    • ISO Guide 34/ISO 17034 (reference material production)
    • GLP (Good Laboratory Practice, OECD)

    Typical usage ratio

    • Varies from 1–5 mmol scale per custom synthesis batch
    • Molar ratios tailored for single-step or multi-step labeling strategies

    Downstream process integration

    • Added at initial synthetic step during scaffolding
    • Undergoes functional group modification in dedicated fumehood workflow
    • Quality verified using NMR and LC-MS for purity and identity

    Final product types

    • Labeled aromatic reference standards
    • Pharmacological test probes for high-throughput screening
    • Calibration standards for analytical instrument manufacturers
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    Certification & Compliance
    More Introduction

    3,4,5-Trimethoxybenzaldehyde: A Reliable Choice from the Manufacturer’s Bench

    Years of Chemical Synthesis Shaped Our Approach

    Hands-on production of bulk chemicals shapes more than technical knowledge. It builds an understanding of practical concerns: purity, consistency, safe handling, and the real hurdles in application. Working directly with 3,4,5-Trimethoxybenzaldehyde every day brings us closer to innovators in pharmaceuticals, dyes, and advanced organic synthesis. Unlike traders or marketers chasing passing trends, our focus has always been rooted in midstream and downstream results—and solving problems others pass along.

    3,4,5-Trimethoxybenzaldehyde: Our Standard for Reliable Quality

    Our core product, 3,4,5-Trimethoxybenzaldehyde, comes with a purity specification that experienced buyers expect from direct manufacturers. We achieve at least 99% purity (as tested by GC), and batches routinely pass tighter internal controls before reaching drums or bottles. The solid material presents as an off-white to pale yellow crystalline powder—easy to handle in process vessels, with a melting range verified across lots. Each step, from raw material procurement through solid-liquid phase separation, aims to safeguard your downstream yield.

    We pay close attention to the slight but critical details shaping this compound’s behavior: particle size distribution, residue on ignition, moisture content, and trace organics. The smell has a sharp, aromatic quality, and the molecule’s three methoxy groups—with their electron-donating effect—make this aldehyde especially reactive in many condensation and cyclization schemes.

    Applications Rooted in the Real World

    Several pharmaceutical groups trace their core scaffolds to 3,4,5-Trimethoxybenzaldehyde. For example, manufacturers of trimethoxybenzenes used as anti-cancer and anti-inflammatory drug intermediates have long sought high-performing aldehyde feeds with low impurity load. Our customers in dye manufacture also depend on our supply for its clarity and freedom from colored degradation, since off-Tone batches can spell wasted weeks in chromophores research.

    Perfume and aroma chemical houses favor this building block for its impact on scent modification and stabilization. The aldehyde’s aldehyde group couples cleanly into more complex fragrances, giving their labs a reliable basis for experimentation. Its sharp, almost spicy note creates recognizable undertones in natural and synthetic compositions.

    In industrial research, scientists use 3,4,5-Trimethoxybenzaldehyde as a tool molecule to probe catalytic reactions, especially in Mannich and Knoevenagel condensations. Educational labs appreciate the way this compound crystallizes, facilitating instruction, and minimizing solvent waste. Its visible endpoints and easy-to-wash residues make for straightforward bench demonstrations.

    Consistency, Traceability, and Scale Matter

    Delivering 3,4,5-Trimethoxybenzaldehyde at multi-ton scale year-round calls for a plant with robust process controls, not just purity certificates. Our own reactors run controlled oxidation systems with feedback loops monitoring temperature, feed rates, and gas purity. Plant chemists tweak those protocols whenever raw material origin changes, using live-time analytical data to prevent out-of-spec product. This feedback shapes not only the experience but underpins trust in repeat orders.

    Traceability goes far beyond a lot number here. Each batch captures spectral, chromatographic, and microanalytical data stored in a centralized database. When regular clients upscale from kilos to tons, our internal tracking makes it easy to review historical parameters, identify root causes behind any minor deviation, and adjust without disrupting production.

    Supply interruptions can derail years of drug discovery or pigment development. We plan production windows around client forecasts and rolling inventory—a habit grown from decades of tight schedules in the field. Onsite storage, direct bulk container filling, and networked logistics ensure delivery stays reliable. We also support repeat clients by flagging global shipping changes or weather events that could slow supply.

    Comparing 3,4,5-Trimethoxybenzaldehyde to Alternatives

    Some might wonder about choosing 3,4,5-Trimethoxybenzaldehyde over related aldehydes with fewer methoxy groups, such as 3,4-dimethoxybenzaldehyde or 4-methoxybenzaldehyde. The difference does not rest with a simple price analysis. Instead, chemists target this compound for its specific substitution pattern, which steers reactivity in directed ortho-metalation and regioselective transformations. The three contiguous methoxy groups increase the electron density, enhancing nucleophilicity of the aromatic system and shifting selectivity in cyclization or reduction.

    We have encountered projects where similar compounds fail. For instance, using 3,4-dimethoxybenzaldehyde in multistep synthesis of podophyllotoxin analogues often leads to competing side products—unwanted oxidation or incomplete ring closure. Our customers come back after such experience, pointing to cleaner reaction profiles and improved yields flowing from the trimethoxy version.

    Analytical clarity provides another point of distinction. 3,4,5-Trimethoxybenzaldehyde displays a sharper, more predictable NMR and IR signature, easing structure confirmation during process optimization. Quality control teams note fewer overlapping impurities, especially those arising from demethylation or oxidative cleavage.

    In dye development, subtle shifts in color intensity arise from methylation degree. Fully methylated compounds like 3,4,5-Trimethoxybenzaldehyde support richer, deeper colorants in final textile applications, compared to narrower shades from dimethoxy analogues. As we learned from repeated scale-ups for textile clients, omitting a single methoxy group can create visible defects in the finished product.

    From Lab to Plant: Pushing Beyond Technical Data

    Nobody who has spent enough time in synthesis forgets how minor changes in raw material can balloon into lost batches, downstream contamination, or failed crystallization. We address this risk head-on, tuning every production run for both purity and processing ease. Long hours of trial, cleaning reactor lines, and managing lab waste drove us to standardize measurable properties: not just melting point and GC area but also how the solid pours, packs, and stores over time.

    We have tested dozens of packaging options to prevent caking or moisture seepage, especially for international shipments. Direct users in humid regions often receive drums lined with double-sealed bags and included desiccants, based both on climatic data and field feedback.

    Years of packing and shipping hazardous chemicals taught us that packaging integrity matters as much as synthesis. Sometimes it is the unplanned delays—slow customs checks, dockside storage under tropical sun, or sudden reroutes—that really push a product’s stability. Having backup packaging options minimizes waste and ensures material flows onto customer benches in perfect condition.

    Environmental Responsibility and Regulatory Experience

    Producing aromatic aldehydes with methoxy substituents comes with waste and emissions challenges, evident to any operator scanning the effluent lines or stack monitors. As a direct manufacturer, keeping up with national and international regulatory standards falls on our shoulders. We invest in in-plant air scrubbing, solvent recycling, and water treatment—balancing throughput with responsible footprint.

    Investments in waste minimization began before such practices turned popular. We reduce organic residue through closed-loop distillation cycles and by selecting catalysts designed for higher turnover efficiency. The long-term view lands our plant in good standing during third-party audits. Our team stands prepared to supply documentation on trace residuals, batch history, and compliance testing.

    Pharmacopeia and chemical inventory compliance often require in-depth batch-specific certifications. Our internal analytics provide the documentation that pharma and specialty chemical clients demand. Inspection teams appreciate real-time access to run data, not just end-product certificates.

    Supporting Innovation in Customer Labs

    Years in chemical manufacturing taught us that talking to chemists and process engineers leads to fewer rejected lots, less rework, and stronger partnerships. Supporting early-stage work means offering guidance that goes beyond our own product. We help troubleshoot blending, upstream or downstream compatibility, waste reduction measures, and occasionally alternate synthetic routes when the original plan hits up against an unforeseen block.

    One memorable project involved assisting a research group pushing for a new anti-tumor scaffold. They encountered problems in a late-stage reduction—their feed material kept yielding side-chain byproducts which complicated isolation. Our synthesis team helped them analyze the chromatographic signatures, identifying impurities barely above trace levels in their standard supplies from other vendors. Adjusting our batch purification protocol tightened impurity control, directly boosting their isolated yield and allowing publication within their original timeline.

    Our team often supports scale-up projects, providing tailored mixing and solubility data under different temperature and solvent conditions. Over the years, this type of open feedback, drawn from operating our own plant, has repeatedly enabled others to accelerate R&D without pausing for trial-and-error sourcing.

    Transparency and Trust Go Hand in Hand

    Suppliers often claim purity or performance, but those claims hold weight only if backed by transparent methods and audits. We welcome client visits, third-party sampling, and Q&A sessions with our plant chemists, not just sales staff. Seeing the continuous reactors, safety controls, and robust in-process checks makes a difference for experienced buyers.

    Some specialized customers request unique analyses: residual solvents at ultra-trace levels, custom particle sizing, or impurity profiling for regulatory submission. Having on-site advanced analytical tools—HPLC, GC-MS, and FTIR—allows us to answer those requests within hours, minimizing project delays.

    Years of open engagement generated a network of repeat clients across pharmaceuticals, cosmetics, aromas, and R&D organizations. The consistent pattern remains: transparency breeds smoother supply, fewer disputes, and long-term mutual growth.

    Economics and Longevity: The Value Beyond Unit Price

    A simple focus on price per kilo often obscures the true economics of raw material selection. Chemists at the bench know that out-of-spec product can throw off entire batch sequences, raising scrap rates and labor costs. Our clients save both in avoided troubleshooting and in the reliability of their results, often citing long-term supply stability as a core advantage.

    Completing large-volume shipments means thinking beyond single sales. That includes helping customers plan their own procurement cycles, offering historical price trends, and advising on storage to curb material aging. Such support grew out of thousands of batch cycles and recognizing how end-to-end dependability leads to enduring partnerships.

    Continuous Quality, Innovation and Feedback

    Direct communication with users shapes our future batches and blend improvements. Every reported process hiccup, outlier impurity, or performance gain makes it back into manufacturing adjustments. Our plant incorporates feedback not through surveys or forms, but through direct chemist-to-chemist communication, day-to-day inspections, and iterative batch improvements.

    Many innovations in how we filter, dry, or package 3,4,5-Trimethoxybenzaldehyde have their roots in field reports from customers: a research team noting better filtration with finer particles, a dye house noticing improved shade uniformity from an updated drying regime, a pharma processor flagging static buildup in certain containers. Plant operators and R&D staff review each case, tweak protocols, and track quantitative results, always aiming for visible impact on real-world manufacturing and research.

    Outlook: Specialty Chemicals Built on Experience

    Years of commitment to 3,4,5-Trimethoxybenzaldehyde production shaped not only this compound, but also the core philosophy of our manufacturing team: listen, improve, deliver, and develop in real partnership with those who rely on this molecule. Our deep bench experience—tested in process control, regulatory oversight, and real-world logistics—supports pharma, colorant, perfumery, and research clients as they develop the next products that shape their markets.

    We invite open engagement, technical discussion, and site visits, offering both a proven supply chain and seasoned problem solving—from kilos to tons, with every batch carrying forward years of lessons, improvements, and hands-on innovation.