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3,4,5-Trihydroxybenzaldehyde Monohydrate

    • Product Name 3,4,5-Trihydroxybenzaldehyde Monohydrate
    • Alias Protocatechualdehyde Monohydrate
    • Einecs 210-053-4
    • 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
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    Specifications

    HS Code

    168136

    Product Name 3,4,5-Trihydroxybenzaldehyde Monohydrate
    Chemical Formula C7H6O4·H2O
    Molecular Weight 172.14 g/mol
    Appearance Off-white to light brown crystalline powder
    Melting Point 184-188 °C
    Solubility In Water Soluble
    Cas Number 613-60-1
    Purity Typically ≥98%
    Synonyms Protocatechualdehyde monohydrate
    Storage Conditions Store at 2-8°C, protected from light
    Boiling Point Decomposes
    Smiles C1=C(C=C(C(=C1O)O)C=O)O
    Inchi InChI=1S/C7H6O4.H2O/c8-3-4-1-2-5(9)7(11)6(4)10;/h1-3,9-11H,(H,8,10);1H2
    Ec Number 210-342-4

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

    Packing & Storage
    Packing The packaging is a 25-gram amber glass bottle, sealed with a screw cap, and labeled "3,4,5-Trihydroxybenzaldehyde Monohydrate."
    Shipping **Shipping Description:** 3,4,5-Trihydroxybenzaldehyde Monohydrate is shipped in tightly sealed containers to prevent moisture and contamination. The chemical should be kept cool and dry during transit, protected from direct sunlight. Proper labeling and packaging in accordance with standard chemical transport regulations ensure safe and compliant delivery. Not classified as hazardous for transport.
    Storage Store **3,4,5-Trihydroxybenzaldehyde Monohydrate** in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Avoid exposure to heat and direct sunlight. Label the container clearly and ensure good laboratory practices are followed during handling and storage.
    Application of 3,4,5-Trihydroxybenzaldehyde Monohydrate

    Applications of 3,4,5-Trihydroxybenzaldehyde Monohydrate in Industrial Manufacturing

    As a direct manufacturer of 3,4,5-Trihydroxybenzaldehyde Monohydrate, we supply this specialty intermediate to a targeted range of industrial producers. The material’s precise reactivity and consistent purity under large-scale synthesis standards underpin its well-established roles in advanced specialty chemical manufacturing contexts. Below, we outline the primary commercial usage scenarios with specific details on compliance expectations, process formulation, industrial workflow, and end product outcomes.

    1. Synthesis of Antioxidant Additives for Polymeric Materials

    Manufacturers rely on 3,4,5-Trihydroxybenzaldehyde Monohydrate as a core building block when synthesizing substituted phenolic antioxidants used to stabilize polymers such as polyolefins and rubbers. The compound’s functionality facilitates selective transformation to hindered phenols during the condensation or Mannich base formation stages, directly impacting oxidative stability in plastics production under high-temperature extrusion conditions.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 on chemical safety
    • RoHS Directive 2011/65/EU for electronic and electrical applications
    • ISO 9001 Quality Management Systems
    • FDA 21 CFR 177.1520 for food-contact polyolefins (when relevant)

    Typical usage ratio

    • Standard formulations introduce 3,4,5-Trihydroxybenzaldehyde Monohydrate derivatives at 0.1% to 0.5% by weight in the antioxidant masterbatch; dosage adapts to polymer grade, melt process temperature, and desired extraction resistance.

    Downstream process integration

    • Compound enters the antioxidant synthesis reactor prior to esterification or alkylation steps; finished antioxidant concentrates are then dosed into resin feed during compounding or pelletizing.

    Final product types

    • Polyethylene and polypropylene injection molding granules
    • Flexible packaging films with extended shelf life
    • Rubber automotive component compounds
    • Polymeric masterbatches for wire and cable coatings

    2. Precursor for Flavonoid-Based Pharmaceutical APIs

    Pharmaceutical synthesis groups utilize 3,4,5-Trihydroxybenzaldehyde Monohydrate as a critical precursor in advanced flavonoid production, notably for APIs such as gallic acid derivatives and polyphenolic anti-inflammatory agents. This intermediate offers high selectivity in condensation with resorcinols under controlled pH conditions, streamlining multi-step flows for clinical-grade actives.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guideline for APIs
    • European Pharmacopoeia (Ph. Eur.) monographs for flavonoids
    • US Pharmacopeia (USP)
    • cGMP compliance (21 CFR Parts 210 and 211)

    Typical usage ratio

    • Initial condensation routes require 1.05–1.10 molar equivalents; yield optimization may adjust ratio in scale-up validation runs, depending on desired purity and downstream coupling reactions.

    Downstream process integration

    • Feeding into batch or semi-continuous reactors at the first condensation step; subsequent cyclization and purification stages yield the target pharmaceutical intermediate prior to salt formation or formulation for tablet pressing.

    Final product types

    • Anti-inflammatory drug bulks (e.g., gallic acid-based actives)
    • Neuroprotective flavonoid actives in bulk API form for formulation
    • Pharmaceutically compliant intermediate crystals for contract API supply

    3. Fine Chemical Intermediate for Dye and Pigment Synthesis

    Dye producers employ 3,4,5-Trihydroxybenzaldehyde Monohydrate in controlled condensation and reduction reactions for manufacturing specialized azo and anthraquinone dyes, offering targeted chromophoric modifications in textile and printing applications. Its positional hydroxylation supports robust metal-complex formation and color-fastness optimization in formulated pigment dispersions.

    Industry compliance standards

    • OEKO-TEX Standard 100 for textile chemical input
    • GOTS Version 6.0 for organic dye processes
    • ISO 14001 Environmental Management for pigment manufacturing
    • EN 71-3:2019 (Safety of toys – migration of certain elements) for pigment use in children’s products

    Typical usage ratio

    • Dosage ranges between 0.2–2.0 molar equivalents in the initial coupling or diazotization stage; the precise level is set during lab-to-plant scale transition based on target shade strength and final dye purity.

    Downstream process integration

    • Material is introduced in the primary reaction vessel for coupling with diazonium or anthraquinone derivatives under temperature-controlled conditions, followed by downstream filtration and drying for pigment formulation.

    Final product types

    • Brightfast azo textile dyes
    • High-purity anthraquinone pigments for ink manufacturing
    • Specialty metal-complex dyes for leather finishing chemicals

    4. Starting Material for Food Antioxidant Production (Gallic Acid Synthesis)

    Bulk producers of food antioxidants utilize 3,4,5-Trihydroxybenzaldehyde Monohydrate as a starting material in the production of gallic acid, a polyphenolic antioxidant widely incorporated into food additives and preservation systems. The raw material undergoes oxidative hydrolysis integrated within enzymatic or chemical conversion loops, supporting secure traceability from sourcing to finished E-code antioxidants.

    Industry compliance standards

    • Food Chemicals Codex (FCC) for gallic acid additive
    • FSSC 22000 Food Safety Management Systems
    • EC Regulation No 1333/2008 on food additives
    • China GB 2760 National Food Safety Standard for food additives

    Typical usage ratio

    • Conversion units specify 1.0–1.2 molar equivalents of 3,4,5-Trihydroxybenzaldehyde Monohydrate per batch for target output of technical gallic acid, optimizing according to reaction yield and feedstock purity.

    Downstream process integration

    • Direct addition to hydrolysis reactors, followed by oxidation and acidification steps, with downstream crystallization and quality assurance for food-grade gallic acid output.

    Final product types

    • Gallic acid technical grade crystals
    • Food-grade antioxidant powders and granulars (E310-E313)
    • Preservatives in processed foods, beverages, and bakery shortening preparation

    5. Building Block for Specialty Tanning Agents in Leather Processing

    In the leather treatment sector, engineered derivatives prepared from 3,4,5-Trihydroxybenzaldehyde Monohydrate provide functionalized phenolics for the formulation of high-quality vegetable tanning agents. These intermediates enhance tannin reactivity, helping manufacturers achieve targeted leather color, flexibility, and anti-microbial resistance in eco-friendly processing streams.

    Industry compliance standards

    • ISO 26082-1: Leather – Physical and mechanical tests – Determination of softness
    • REACH SVHC (Substances of Very High Concern) restrictions
    • LWG (Leather Working Group) Gold Standard protocols
    • German Leather Industry Norm DIN 53321 for chemical tanning agents

    Typical usage ratio

    • Formulators employ derivatives at 0.5–3% by weight in the tanning liquor, contingent on rawhide origin, target finish grade, and total solid content in vegetable tannage.

    Downstream process integration

    • Phenolic intermediates combine with traditional vegetable extracts at the pre-tanning or retanning bath stage; continuous drum mixing ensures thorough absorption and enhanced crosslinking in the hide matrix.

    Final product types

    • High-grade vegetable-tanned leather hides
    • Eco-friendly leather goods for luxury, footwear, and automotive use
    • Bacteriostatic finishing leathers
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    Certification & Compliance
    More Introduction

    3,4,5-Trihydroxybenzaldehyde Monohydrate: Reliable Chemistry for Advanced Applications

    A Look Inside 3,4,5-Trihydroxybenzaldehyde Monohydrate Production

    At our production facility, 3,4,5-Trihydroxybenzaldehyde Monohydrate doesn’t roll off the line by chance. This material, with the molecular structure C7H6O4·H2O, comes together through a careful process of oxidation and precise hydration control. Over many years, our chemists have fine-tuned each stage—from the initial raw material selection to the final purification step—to turn out a crystalline powder that meets high expectations in both laboratory and industrial settings.

    From the outset, purity defines value. We target a minimum purity of 98.0% for our batches, frequently cresting higher through advanced crystallization techniques. Every run passes through robust analytical checkpoints, employing chromatography and spectroscopic verification. Knowing from experience where minor impurities lurk, or how they arise from solvent residue or atmospheric exposure, lets us address trouble before it impacts the customer.

    The monohydrate form plays a special role. This single-water structure avoids the volatility and instability that plague some anhydrous aldehydes. Our technicians handle storage and packaging in controlled environments, further extending shelf life and preserving integrity. This care adds up on a lab bench or production line. Users experience less caking, easier weighing, and predictable dissolution, even under changing humidity.

    Specifications: Clarity from Years in the Field

    Our product emerges as an almost white to pale beige crystalline powder, melting consistently in the expected range. Water content, in the form of the monohydrate, falls between 8–11%, as validated through Karl Fischer titration. Customers who track residual solvent levels score well below ICH thresholds, and heavy metals routinely rest at trace levels, satisfying pharmaceutical or electronic material standards in global markets.

    Particle size shapes handling ease. Through repeated feedback and internal experience, our milling process targets a fine, free-flowing granulate—robust enough for automated weighing, but not so fine as to create dust hazards. For applications demanding specific particle characteristics, custom sizing runs can match tighter tolerances.

    Applications: From Bench to Plant

    Over years of manufacture, requests for 3,4,5-Trihydroxybenzaldehyde Monohydrate span bioactive compound synthesis, specialty resin manufacturing, and advanced organic chemistry research. Pharmaceutical teams count on it during the synthesis of complex natural products and medicinal intermediates. Chemists rely on its three hydroxyl groups and aldehyde moiety for multistep transformations—each functional group opens a path to new derivatives. In polymer research, it acts as a monomer or crosslinking agent, pinning down mechanical or thermal properties in final products.

    Fieldwork with resin formulators underscores its ability to introduce phenolic character that resists degradation and boosts conductivity. In antioxidant framework development, our product enables step-growth routes that would fail with less pure, less stable alternatives. During conversations with surface science researchers, we hear often about the need for reproducible colorimetric reactions; consistency in our monohydrate translates directly to reproducibility across experimental batches.

    Plant engineers appreciate that handling and dosing remain straightforward. The crystalline material doesn’t clog dispensing equipment. In trial scale-ups, the reactivity matches predictions, saving time that could otherwise get lost troubleshooting batch variations. From our vantage as producer, hearing that a client scales a laboratory protocol upward without a hitch stands as one measure of real-world quality.

    How 3,4,5-Trihydroxybenzaldehyde Monohydrate Stands Out

    Many customers ask how our 3,4,5-Trihydroxybenzaldehyde Monohydrate compares to similar substances, like the anhydrous form or other hydroxybenzaldehydes. Direct experience shows that the monohydrate reduces volatility, resisting moisture fluctuations that can degrade both material and results. Handling powders with variable water content quickly becomes an operational headache; we guard against this through sealed, humidity-resistant packaging and careful production batch validation.

    Purity plays a role in downstream synthesis. Minor contaminants, even at 1% or lower, can steer reaction pathways off course, leading to wasted reagents and time. Small startups and established manufacturers alike give the same feedback: consistent aldehyde content translates to lower failure rates in complex, multistep syntheses. Researchers familiar with the erratic supply from less controlled sources find that process yield and reliability improve once they switch to our controlled monohydrate stock.

    Product differentiation comes into sharp relief when discussing the reactivity profile. The tri-hydroxyl substitution pattern sets this chemical apart from other isomers. While hydroxybenzaldehydes with fewer substitutions lend themselves to simple reactions, the full set present in 3,4,5 positions gives chemists broader building potential. Whether constructing polyphenolic networks or aiming for regioselective modifications, this substitution pattern amplifies the range of usable chemical space.

    We’ve learned that not all monohydrates deliver the same shelf stability. The journey from production reactor to final application can be rough; repeated temperature shifts or exposure to open air degrade less robust materials. Our process design, including inert gas blanketing and low-oxygen packaging, keeps oxidation at bay, preserving batch-to-batch uniformity over extended storage.

    Meeting Regulatory and Customer Expectations

    Many customers look to our certification and traceability systems for reassurance. Each batch connects back to validated process records and retained analytical samples. Over the past decade, we have worked through regular GMP and ISO audits, making minor adjustments as standards evolve, never compromising on transparency. We offer samples with batch documentation for prequalification—pharmaceutical clients in particular value this when transferring projects between sites or scaling up for pilot runs.

    Questions about cross-contamination and allergen control remain common. Since 3,4,5-Trihydroxybenzaldehyde Monohydrate often finds its way into sensitive chemical synthesis routines, we dedicate separate production lines for this and related aromatic aldehydes, using monitored cleaning protocols. Regular employee training and real-time monitoring catch any out-of-place signals before they reach a packaged batch. Decades of continuous improvement underscore the importance of learning from both near-misses and actual incidents, refining our approach so end users gain peace of mind.

    Feedback cycles direct our attention to pain points in global logistics—delays at customs, unpredictable weather during ocean transit, seasonal shortages of precursor materials. As a manufacturer, we maintain buffer stock at several international hubs, reducing the odds of stock-outs. Every customer inquiry brings an opportunity to spot weaknesses and strengthen links in the supply chain, an aspect we learned through painful disruptions in earlier years.

    Challenges and How We Address Them

    Producing 3,4,5-Trihydroxybenzaldehyde Monohydrate at scale means facing hurdles both big and small. Sourcing high-quality raw materials costs more, but skipping this step invariably brings headaches at later stages. Tight global markets occasionally push us to lock in long-term supply agreements, prioritizing reliability over spot savings. This decision has paid off—manufacturers downstream know exactly what standard to expect, run after run.

    Controlling for impurities is an ongoing battle. Addition of extra purification cycles, at the expense of yield, sometimes becomes necessary depending on the incoming quality. Continual investment in analytical infrastructure, like expanded HPLC and mass spectrometry capability, ensures speedier problem-solving and proactive improvement. As far as energetic events like fire or dust explosion risks, our process safety reviews remain ongoing. We review and adapt protocols in collaboration with safety engineers, making incremental shifts based on on-the-ground realities rather than waiting for outside mandates.

    Waste treatment poses its own set of burdens, especially when it comes to aromatic residues and spent solvents. We adopt closed-loop solvent recovery and work with certified partners for safe destruction of hazardous byproducts. Our plant management tracks environmental indicators, benchmarking against national averages. Incremental tech upgrades, such as real-time emissions monitors, help us meet near-field and community expectations.

    Product Stewardship and Collaborative Progress

    Direct experience with end-users, from formulation specialists to process chemists, drives the most meaningful improvements. An example: several years ago, a leading battery material manufacturer contacted us about particle size inconsistencies interfering with automated feeders. We worked alongside their team to map out the problem, rerun tests with adjusted milling, and confirm the solution at their site. Following this model brought similar success for other clients in color chemistry and organocatalyst development.

    In fields like research chemicals and specialty reagents, collaboration often extends to developing new grades with tighter impurity profiles or unconventional physical traits—whether that means ultra-small powder for high-dispersion needs, or pharmaceuticals requesting materials compliant with specific regional pharmacopeias. We approach each request as a learning opportunity, taking field data back to adjust reactor conditions or adapt QA standards.

    Education remains central for both our staff and the chemists we serve. Regular training sessions dig into the why of production steps, not just the how, motivating teams to monitor not only for the expected, but for unexpected process drifts. We support academic and industrial outreach, offering technical seminars and data-sharing to build understanding; questions from these interactions often spark internal troubleshooting, preventing potential headaches down the line.

    Building Trust Through Consistency and Engagement

    The true measure of our work lies in the repeat orders and long-term relationships built over many years. Our field teams regularly check in with buyers, soliciting feedback not just on the latest shipment, but on performance hiccups they encountered months or even years earlier. This level of engagement has led us to upgrade packaging after hearing of clumping during humid ocean transits or to introduce tamper seals for clients shipping high-value chemicals across multiple jurisdictions.

    Every supply chain has weak points. We make ours less vulnerable by listening closely to what the bench chemist, the storeroom technician, or the scale-up engineer encounters every day. This philosophy shapes not just technical adjustments, but also our logistical and customer support structure. Our approach is shaped by thousands of hours spent not only in the plant, but at client facilities, learning firsthand what makes a process sing—or stall.

    Through all these years, the lesson stands clear: manufacturing 3,4,5-Trihydroxybenzaldehyde Monohydrate well is less about rigid adherence to script and more about remaining open to new requirements, shifting standards, and customer-driven innovation.

    The Broader Impact: Keeping Critical Industries Moving

    Industries relying on specialty chemicals demand unwavering performance. In more than one instance, timely delivery of our product made the difference for a new COVID-19 diagnostic venture, a research team pushing boundaries on electronic coatings, or a pilot plant running against a tough deadline. In each case, the stability and purity of our monohydrate material lets users focus on pushing their own research frontiers, rather than compensating for ingredient variability.

    From green chemistry initiatives to high-throughput pharmaceutical screening, our commitment lies in supporting scientific ambition. Staying alert to upcoming regulatory changes and emerging applications ensures our processes continue to match tomorrow's expectations. Each year brings new collaborations and a fresh set of technical puzzles; these challenges motivate constant reevaluation of our process controls, documentation approach, and technical support capacity.

    As the scientific landscape evolves, so does the role of advanced materials. Whether supporting large-scale manufacturing or research-stage innovation, 3,4,5-Trihydroxybenzaldehyde Monohydrate stands as a keystone building block for complex chemistry—its quality shaped not by chance, but by decades of attentive production and close customer dialogue.