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2,3,4-Trihydroxybenzaldehyde

    • Product Name 2,3,4-Trihydroxybenzaldehyde
    • Alias Protocatechuic aldehyde
    • Einecs 210-332-4
    • 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

    119754

    Chemicalname 2,3,4-Trihydroxybenzaldehyde
    Molecularformula C7H6O4
    Molarmass 154.12 g/mol
    Casnumber 3165-13-3
    Appearance Yellow to light brown crystalline powder
    Meltingpoint 206-210 °C
    Solubilityinwater Moderately soluble
    Density 1.69 g/cm³ (approximate)
    Smiles C1=C(C(=C(C(=C1O)O)O)C=O)O
    Pubchemcid 214950
    Iupacname 2,3,4-Trihydroxybenzaldehyde
    Storagetemperature Store at 2-8 °C
    Pka Approx. 8.8 (phenolic OH)

    As an accredited 2,3,4-Trihydroxybenzaldehyde factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 25g amber glass bottle sealed with a screw cap, featuring a white label displaying the chemical name, quantity, and hazard warnings.
    Shipping 2,3,4-Trihydroxybenzaldehyde is shipped in tightly sealed containers to prevent moisture and light exposure. It should be labeled according to chemical safety regulations and transported as a hazardous material if applicable. Store and ship at room temperature, away from incompatible substances, ensuring compliance with relevant transport guidelines (IATA, DOT, IMDG).
    Storage 2,3,4-Trihydroxybenzaldehyde should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep the container tightly closed and protected from moisture. Store separately from strong oxidizing agents and bases. Ensure proper labeling and use corrosion-resistant shelving if possible. Avoid exposure to heat, as the compound may degrade or react under inappropriate conditions.
    Application of 2,3,4-Trihydroxybenzaldehyde

    Applications of 2,3,4-Trihydroxybenzaldehyde in Industrial Manufacturing

    2,3,4-Trihydroxybenzaldehyde serves as an advanced chemical intermediate across several industrial sectors. As a direct manufacturer, we supply this material for regulated processes that demand consistent quality and documented traceability. Below, we outline key industrial sectors, detailing compliance standards, practical utilization, process position, and representative end products.

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

    Many pharmaceutical developers employ 2,3,4-Trihydroxybenzaldehyde during the synthesis of pharmaceutically active compounds, including flavonoid derivatives, advanced phenolic antioxidants, and specific anti-inflammatory agents. Its polyhydroxylated structure enables regioselective condensation and etherification steps during pathway design for APIs. Manufacturing sites incorporate this material into multi-step reaction sequences, demanding complete traceability for both in-process monitoring and downstream critical quality attributes.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • European Pharmacopoeia Monographs (applicable for relevant APIs)
    • 21 CFR Part 210/211 (US FDA)
    • Chinese Pharmacopoeia (where localization required)

    Typical usage ratio

    • Employed as a reaction intermediate in a 0.5–5 mol% ratio relative to target API, adjusted per specific route complexity; quantified by validated in-process controls.

    Downstream process integration

    • Introduced at early to mid-stage steps, often undergoing subsequent formyl group modification and phenol protection reactions before further condensation, cyclization, or reduction.

    Final product types

    • Nonsteroidal anti-inflammatory drug (NSAID) precursors
    • Phenolic antioxidant APIs
    • Bioactive flavonoid derivatives
    • Chiral pharmaceutical scaffolds

    2. Fine Chemical Synthesis of Functional Dyes and Organic Pigments

    Specialty dye manufacturers use 2,3,4-Trihydroxybenzaldehyde as a key starting material for the condensation and coupling reactions necessary to produce azo dye intermediates and ortho-quinone colorants. Sophisticated pigment production lines require high assay raw materials, with this compound directly participating in Mannich-type and Schiff base-forming reactions to yield tailored chromophores with specific lightfastness and solubility profiles.

    Industry compliance standards

    • ISO 9001:2015 Quality Management (for batch QC and process consistency)
    • REACH Regulation (EC) No 1907/2006 – Registrations, Safety Data, Use Categories
    • OEKO-TEX® Standard 100 (for textiles, where applicable)

    Typical usage ratio

    • Typically introduced at a 1–10% molar basis relative to major pigment couplers; exact amounts vary per required color depth and shade strength.

    Downstream process integration

    • Acts as a primary reactant in condensation stages for dye precursor synthesis, followed by purification, diazotization, or further functionalization toward finished pigment dispersions.

    Final product types

    • Azo dye intermediates
    • Quinone-based pigments
    • High-performance colorants for plastics, inks, and coatings
    • Specialty textile dyes

    3. Antioxidant Ingredient for Polymer Stabilizers

    Producers of polymer and rubber additives apply 2,3,4-Trihydroxybenzaldehyde to synthesize high-performance phenolic antioxidants used for color stabilization and thermal aging resistance in plastics, elastomers, and lubricants. Its aromatic antioxidant capability lends itself to the production of hindered phenol stabilizer systems, frequently required in food-contact or medical device-grade polymers due to strict extractables and leachables controls.

    Industry compliance standards

    • US FDA 21 CFR 177.2600 (Rubber Articles Intended for Repeated Use)
    • EU Regulation (EU) No 10/2011 on Plastic Materials and Articles
    • ASTM D3576 (Standard Test Method for Phenolic Antioxidants in Polymers)

    Typical usage ratio

    • Processed into antioxidant masterbatches at typical 0.02–0.12 wt% in final resin; specific incorporate levels optimized according to polymer base and application performance criteria.

    Downstream process integration

    • Synthesized with alkylation and etherification reactions, then blended into additive packages prior to compounding with thermoplastic or elastomer matrices; monitored through GC/HPLC methods for active content validation.

    Final product types

    • Hindered phenol antioxidant additives
    • Polymer resin masterbatches
    • Food-contact and medical-grade plastics
    • Rubber stabilization agents

    4. Building Block for Natural Product Synthesis and Plant Phenolics

    Laboratory and industrial process developers leverage 2,3,4-Trihydroxybenzaldehyde in synthetic design of plant-based phenolic compounds, particularly those targeting nutraceutical, cosmetic, and fine fragrance markets. Many complex natural antioxidant molecules and flavor precursors demand this precursor as a specifically substituted aromatic aldehyde for modular construction of polyphenolic backbones. Precision handling, high purity batches, and batch-to-batch reproducibility are essential for compliance with industry standards within this segment.

    Industry compliance standards

    • FSSC 22000 (Food Safety System Certification for food applications)
    • ISO 22716:2007 (Cosmetic Good Manufacturing Practice)
    • USP–NF Monographs (where applicable to plant extracts/nutraceuticals)

    Typical usage ratio

    • Employed at a 0.2–3 molar equivalent in phenolic synthesis steps; levels adjusted for natural versus synthetic mimicry and target molecule complexity.

    Downstream process integration

    • Introduced as a condensation partner or aromatic ring donor in base-catalyzed or enzymatic synthesis of plant-phenol mimics, with purity and residual analysis conducted per food- or cosmetic-grade requirements.

    Final product types

    • Natural phenolic antioxidants
    • Synthetic vanilla and benzoin analogues
    • Cosmetic fragrance precursors
    • Nutraceutical grade phenols

    5. Research Reagent for Analytical and Diagnostic Chemical Synthesis

    Analytical laboratories and IVD reagent manufacturers rely on 2,3,4-Trihydroxybenzaldehyde for custom reagent and colorimetric substrate preparation. Specialized detection assays and chromogenic indicator solutions employ its polyhydroxy structure to develop sensitive reactions for trace metal, enzyme, or oxidative state measurement. Rigorous characterization and trace impurity profiling ensure suitability for certified reference materials and large-scale batch production for diagnostic kits.

    Industry compliance standards

    • ISO 13485:2016 (Medical Device and Diagnostic Reagent Quality System)
    • CLSI EP (Clinical Laboratory Standards Institute Evaluation Protocols)
    • DIN EN ISO 17025 (General Laboratory Competence)

    Typical usage ratio

    • Concentration in assay buffer or substrate systems ranges from 0.01 mM up to 2 mM, precisely adjusted per assay linearity and calibration curve requirements.

    Downstream process integration

    • Incorporated directly during formulation of chromogenic reagent solutions or immobilized on solid-phase media for kit assembly, subject to full batch release testing and certificate of analysis.

    Final product types

    • Colorimetric diagnostic reagents
    • Trace metal chelation indicators
    • Analytical reference standards
    • Enzyme substrate kits
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    Certification & Compliance
    More Introduction

    2,3,4-Trihydroxybenzaldehyde: Pure Know-How Gained from Manufacturing

    Our Experience Working with 2,3,4-Trihydroxybenzaldehyde

    Over the years, our team has spent countless hours in the plant where 2,3,4-Trihydroxybenzaldehyde comes to life in clear, crystalline form. Our path didn’t begin from a datasheet. We started by getting our hands dirty with synthesis, purification, quality control, and understanding the quirks and potentials of this compound. Through these daily routines, we have learned what sets this product apart and how the finished material best serves the people and processes that rely on it.

    What Makes 2,3,4-Trihydroxybenzaldehyde Unique?

    2,3,4-Trihydroxybenzaldehyde isn’t just another aromatic aldehyde. Its structure gives it reactivity that sets it apart from simpler compounds like vanillin or syringaldehyde. Those extra hydroxyl groups on the benzene ring have kept our chemists on their toes and opened up great possibilities for downstream chemistry. We don’t have to guess; production runs have proven time and again that this compound brings both challenges and performance.

    We see customers from the pharmaceutical and fine chemicals fields drawn to the ortho-hydroxy and para-hydroxy arrangement on this molecule. They know what these groups can do during condensation, complexation, and reduction reactions. In the early days of manufacturing, results varied widely based on how additives or temperature changes affected the yield. This compound responds immediately to pH or oxygen shifts. We learned early to keep everything tightly controlled—minor impurities can sabotage the product’s usability.

    The Realities of Making and Using Our Product

    Working with 2,3,4-Trihydroxybenzaldehyde isn’t like making bulk acetone or toluene. Trace metallic impurities or incorrect drying cycles will show up in analytical results and, more importantly, in the downstream chemistry performed by our customers. Our production staff relies on in-line sampling and periodic validation. Mid-batch sampling keeps us honest. Each lot receives TLC (thin-layer chromatography) and HPLC evaluation before bottling. There is no shortcut for this testing, no matter how familiar the process has become.

    Every so often, we field technical questions about storage or stability. Through our years in the factory, we discovered that keeping moisture in check matters just as much as temperature control. The product cakes or darkens when left open to air. Old stock gives odd analytical peaks, so we’ve built protocols that focus on bottling efficiency and rapid sealing. For clients with specialized research needs, our team can recommend how to extend shelf life further, but the basics still come down to prompt encapsulation and cool, dry storage.

    The Chemistry Behind the Numbers

    Let’s talk experience, not datasheet claims. Chemists in the field use 2,3,4-Trihydroxybenzaldehyde to build polyphenolic scaffolds, to develop ligands, or to synthesize antioxidants. What we’ve seen in practice: every packed bottle contains a fine, off-white or yellowish powder with a subtle but noticeable scent typical of polyhydroxy-aldehydes. Melting points serve as both a quality marker and a process check, and we regularly track typical ranges from the beginning of synthesis through the final product.

    Aldehyde reactivity is especially noticeable here. Each hydroxyl group can either participate in subsequent reactions or complicate the process with side-products if steps aren’t executed precisely. Our plant has fine-tuned parameters so that side reactions are minimized, but it took considerable trial and error. By working closely with analytical chemists and research-scale end users, we are confident the experience translates from the plant floor straight to your bench.

    Quality Control in the Real World

    Some producers cut corners on purity because certain applications tolerate a little impurity. We learned early that this approach doesn’t work for 2,3,4-Trihydroxybenzaldehyde. Small changes in the byproduct load-up mean a world of difference for biological and synthetic applications. We have seen how traces of isomeric impurities or other phenolics spoil further reactions. To protect your research, we restrict shipment to batches that check out on multiple tests—including purity (HPLC, melting point), absence of solvent residues, and consistency in crystallization habit.

    Customers frequently ask about batch reproducibility. We sample final material from various points in each batch and compare analytical fingerprints. Human eye checks every packaged lot before labeling. Bleached, discolored, or caked material never leaves our facility. While this sometimes delays orders, we prefer our customers trust what they get—no one has ever told us “ship it, even if it’s not perfect.”

    Molecular Details Straight from the Plant

    The typical sample shines with a consistent hue; any yellowing signals improper exposure during processing or storage. Each crystal handled in-house is checked for granularity, as stickier, amorphous clumps can limit ease of weighing and transfer in the lab. These are details raised by regular interactions with lab users across disciplines, not just academic theorists. We keep laser focus on handling practices so neither moisture nor dust contaminates client shipments.

    Most lots present a narrow melting range, confirming batch integrity. Occasionally, a broader melt hints at a processing hiccup—a failing in temperature, cleaning, or even minor equipment malfunction. These issues don’t require guesswork; after all these years, our quality control picks up subtle differences that only experience can recognize in real time.

    What You Can Achieve with 2,3,4-Trihydroxybenzaldehyde

    This compound finds frequent use in pharmaceutical-intermediate synthesis. Its three hydroxyl groups create sites for functionalization, ester formation, and complex building. Research groups who want to explore metal chelation or oxidative coupling often approach us, asking for insight on solubility and reactivity.

    In pigment manufacturing and natural product research, 2,3,4-Trihydroxybenzaldehyde serves as a key intermediate. Its structure makes it an excellent scaffold for producing bioactive molecules and specialty polymers. Some clients exploit its aldehyde group for condensation reactions with amines or hydrazines, leading to Schiff bases and more.

    Our clients sometimes specialize in antioxidant design, and this molecule’s structure answers their need for strong electron-donating ability, enabled by those hydroxyl positions on the ring. Each use case comes with quirks, but our years of technical support have clarified the key reactions and obstacles for downstream chemists—information rarely found in a textbook.

    Comparisons with Similar Aromatic Aldehydes

    Many newcomers group this product with hydroxybenzaldehydes like protocatechuic or gallic aldehyde. We learned to stress the small but crucial distinctions. For example, the extra hydroxyl on the 2-position in 2,3,4-Trihydroxybenzaldehyde boosts water solubility and creates a strong hydrogen-bond pattern. These traits sometimes require tweaks to reaction conditions, such as solvent blend, pH, or temperature, compared to working with dialdehydes.

    Vanillin lacks the same reactivity profile, offering only a single hydroxyl and no ortho-functionality; reactions that require denser electronic activation just do not proceed as cleanly. Syringaldehyde comes closer, yet the extra methoxy group changes both the solubility and electron distribution around the ring, which leads to different product outcomes.

    End users consistently tell us that even minute differences in bench chemistry show up as reduced yields or more labor-intensive purification when they switch between these related aromatics. By focusing on what makes each one unique, we help our partners bypass surprises and get reproducible results quickly, using knowledge built up batch after batch.

    How Specifications Shape Results

    Our material targets purity above 98% by HPLC. Any batch below that finds its way back for recrystallization before facing a customer. This rigid control has helped our clients avoid costly reruns and uncertain outcomes. A consistent moisture content means fewer headaches with weighing or formulation, and sharp melting point behavior guarantees no annoying surprises during preparative chromatography or dosing.

    We noticed that some users attempt to dry bulk lots in-house before use, thinking it’s just like handling common lab salts. In reality, excess drying or sloppy technique can invite decomposition. After comparing feedback and our internal test results, we supply our product in packaging directly tailored to lab and pilot-scale needs—tight, moisture-proof, sized so that material isn’t left to sit for long.

    Packing, Handling, and Storage: Lessons Learned on the Floor

    You wouldn’t believe how much wasted effort occurs due to improper storage. Our staff remembers bottling early lots in generic glass and discovering after shipment that several bottles showed hardening or unusual specks. The culprit came down to tiny air leaks and cap choice, plus the neglected importance of a rapid, shelf-to-shipment workflow.

    These lessons have changed our bottling floor. Every unit is filled and sealed under a controlled environment, into containers built to limit air and moisture ingress. Each product run receives its own date sticker, reducing instances of “mystery vintage” that plagued past years. Small improvements like these flow directly from factory know-how, not generic packaging advice.

    Clients dealing in larger batches get regular updates on best storage protocols—these suggestions grew from conversations with researchers verifying why a batch no longer dissolved like it did weeks before. The solution: fewer bottling steps, rapid shipment, and direct access to our technical team for questions about re-use or long-term storage.

    Supporting Your Research with Our Intimate Product Knowledge

    Part of our job as a manufacturer isn’t just shipping bottles, but advising partners who hit a snag halfway through their synthetic plan. We understand that no two labs work the same. Some teams want guidance on solvent pairings, others require reassurance about stability in multi-step processes. Our advice draws only from repeated real-world experience with this exact material—not guesses or repackaged tips.

    Developing a new pigment? Building a library of natural product analogues? Our insight speeds up planning, because we already dealt with similar hurdles in our facility or from another user’s shared story. We share specifics about batch response to heating, pH swings, and reagent exposure. People rely on us for more than just a supply—they know we treat each request as a chance to help, not just fill a purchase order.

    Continuous Improvement Based on Plant-Scale Feedback

    Our team runs cycle after cycle of this synthesis, so we pick up on hidden trends: how a change in starting phenol purity produces subtle batch differences, or how a wash step impacts the ease of filtration downstream. These are the tweaks that don’t make it to spec sheets, but become second nature for the operators monitoring every phase of production.

    Investing in better air monitoring, swapping out loading blades, even revising drying schedules after hearing about clumping in customer settings—all these improvements grow from the plant floor instead of a glossy brochure. Every update in our process comes only after comparing dozens of side-by-side results in real-world operations, not just initial lab tests.

    Because we see exactly where product quality drops off—either from ambient environmental conditions or internal process drift—our control plans center around what matters most on the bench. Consistency is no accident, but the outcome of steady effort by the people closest to the chemistry.

    Learning from Challenges and Finding Solutions

    Nobody gets perfection from the start. We found that early attempts at scaling up from lab to plant-size runs led to odd color changes and dropped yields. Instead of papering over these failures, we went deep with our process chemists, dissecting everything from mixer speed to solvent purity. Slowly, methodically, we closed gaps—sometimes adjusting equipment, sometimes staffing assignments, sometimes even the direction material flows through the plant.

    We worked hand-in-hand with end users to check how small tweaks sorted out persistent issues. Darkening during shipment? Immediate re-engineer packaging and train warehouse teams to handle handoffs better. Excess residue in a batch? Swap in a new filtering medium or lengthen vacuum cycles. Bit by bit, every customer fix ended up improving our core process, too.

    Collaborating with researchers hasn’t only helped them; it’s trained our own eyes to catch trouble before it grows. A chemist who notices odd solubility or unexpected TLC spots emails us, and our team re-inspects that batch under closer scrutiny. This feedback keeps us moving forward, blending production with practical, evidence-based tweaks.

    A Human Perspective on Manufacturing

    Our staff doesn’t approach manufacturing as just another contract. We know each scientist or technician counting on a bottle of our product needs the confidence it will deliver. Many of our plant team members grew up learning chemistry at benches just like yours—our conversations don’t skip over real concerns in favor of buzzwords.

    Building trust comes from years of consistent shipments, but also from picking up the phone to walk through a technical detail or admitting when an issue crops up. Nobody working here hides mistakes or brushes off field concerns. Sharing our full pathway, from raw feedstock to sealed crystals, keeps the door open to improvement on every front.

    This product stands, in our minds, as a living example of hands-on science meeting manufacturing discipline. From the handshake with a supplier to the clearly labeled bottle in your store room, every step counts. We stay ready to discuss methods, anomalies, and opportunities for improvement—with eyes on process, heart in quality, and pride in every batch that leaves our floor.

    Summary

    2,3,4-Trihydroxybenzaldehyde reflects everything we’ve learned about manufacturing specialty chemicals with attention to detail, open dialogue, and respect for end users’ needs. Every adjustment we make, every variable we monitor, and every technical challenge we solve is meant to ensure anybody using our product gets the best result possible. We look forward to continuing this journey, working not just as a supplier, but as a manufacturing partner, for every one of our clients.