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HS Code |
189849 |
| Product Name | 3,4,5-Trimethoxyphenol |
| Cas Number | 621-98-1 |
| Molecular Formula | C9H12O4 |
| Molecular Weight | 184.19 g/mol |
| Appearance | White to off-white crystalline powder |
| Melting Point | 81-83 °C |
| Boiling Point | 330.5 °C at 760 mmHg |
| Density | 1.27 g/cm³ |
| Solubility In Water | Slightly soluble |
| Flash Point | 148.2 °C |
| Structure | A benzene ring substituted with three methoxy groups at positions 3, 4, and 5, and a hydroxyl group at position 1 |
| Pubchem Cid | 12278 |
As an accredited 3,4,5-Trimethoxyphenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for 3,4,5-Trimethoxyphenol (25g) is a sealed amber glass bottle with a chemical label and safety information. |
| Shipping | 3,4,5-Trimethoxyphenol is typically shipped in tightly sealed containers to prevent contamination and moisture ingress. The chemical should be stored and transported in a cool, dry, and well-ventilated area, away from incompatible substances. All packaging complies with regulatory and safety guidelines for handling organic compounds. Appropriate labeling ensures safe and compliant delivery. |
| Storage | 3,4,5-Trimethoxyphenol should be stored in a cool, dry, and well-ventilated area away from sources of ignition and incompatible materials such as strong oxidizing agents. Keep the container tightly closed and protected from light and moisture. Use appropriate labeling and safety precautions. Store at room temperature, following all local, state, and federal regulations concerning chemical storage. |
Applications of 3,4,5-Trimethoxyphenol in Industrial ManufacturingAs the direct manufacturer of 3,4,5-Trimethoxyphenol, we support key downstream industries that rely on its functional properties for specialized chemical synthesis. Our material is consistently integrated into strictly regulated production workflows across several advanced sectors. Below, we detail its main industrial application scenarios, technical requirements, and its positioning within customer manufacturing chains. 1. Pharmaceutical Intermediate Synthesis for Cardiovascular AgentsOur material serves as an intermediate in the manufacture of certain active pharmaceutical ingredients (APIs) targeting cardiovascular therapy. Chemical manufacturers use it during the aromatic substitution steps owing to its reactivity and purity. The downstream transformation involves precise reaction conditions to maintain traceability and meet regulatory pharma standards, especially for high-value APIs where structural control is critical. Industry compliance standards
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2. Specialty Agrochemical Precursor ManufacturingDownstream producers of certain herbicidal and fungicidal agents incorporate our product as a key substituted phenolic unit for constructing bioactive molecules targeting plant enzymes. Its consistent purity profile supports secure handling in regulated agricultural chemical lines, where trace-level control of byproducts is critical for registration and environmental compliance. Industry compliance standards
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3. Fine Chemical Dyes and Pigment ManufactureChemical dye and pigment producers utilize this raw material when designing methoxy-based chromophores, using its substitution pattern to achieve required spectroscopic and fastness properties for advanced industrial colorants. The aromatic methoxy groups facilitate targeted synthetic routes under controlled batch or continuous reactor conditions prevalent in dye manufacture, where trace impurities can impact color quality and reproducibility. Industry compliance standards
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4. Synthesis of Biologically Active Research MoleculesCustom synthesis laboratories and fine chemical suppliers use the material to construct targeted molecules intended for life science research, chemical biology, or diagnostic probe development. With precise batch reproducibility and low trace impurities, it helps researchers achieve reliable structure–activity relationships, especially when placed in core moieties for SAR exploration or as a masking/protecting group during staged molecule construction. Industry compliance standards
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Competitive 3,4,5-Trimethoxyphenol prices that fit your budget—flexible terms and customized quotes for every order.
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At our chemical manufacturing facility, every batch of 3,4,5-Trimethoxyphenol reflects years of hands-on experience, constant quality tracking, and deep respect for the needs of researchers and production teams worldwide. This phenol derivative has grown into a staple in several advanced sectors, and over time we’ve seen why customers come to us directly—purity, traceability, and genuine expertise matter for them.
The product we deliver under the trade model “TMP-345-98” offers bright crystalline powder with high chemical purity, consistently meeting levels of 98% or greater (as measured by HPLC or GC, depending on the customer's needs). Its molecular formula, C9H12O4, puts it on the map for specialists, but focus really falls on melting range, solubility, and batch-to-batch consistency. Each set leaves our facility with typical melting points close to published literature values, with solubility that suits organic solvents used in synthesis and formulation.
We have found that our choice of purification steps, and the use of high-grade starting materials, delivers a level of color and impurity control that researchers notice right away. This is not an off-the-shelf chemical from an anonymous batch in an overseas warehouse. We document every step of crystallization, drying, and packaging under a controlled environment. Water content, trace metal, and residual solvent analyses lead to cleaner downstream reactions—something we keep seeing reflected in customer feedback from pharmaceutical labs and process development teams.
3,4,5-Trimethoxyphenol turns up most often as a building block in organic synthesis, particularly as part of multi-step processes for active pharmaceutical ingredients and specialty fine chemicals. In talking with customers, several shared challenges arise: inconsistent reaction yields, discoloration in intermediates, and down-the-line purification headaches that only show up at scale-up. Since we oversee all our own raw material sourcing and maintain strict process controls, results rarely deviate between batches. Teams tell us that’s saved them weeks in troubleshooting compared to other sources.
Beyond being a chemical intermediate, utility in synthesis of compounds like trimethoxyphenyl-based natural product analogs and custom ligands is well known. We have seen research groups use our 3,4,5-Trimethoxyphenol in assays and SAR studies targeting anticancer, anti-inflammatory, and neuroprotective compounds. For every application, trace contaminants can introduce analytical artifacts or unwanted side products. Our trace metal and UV-vis profile reports have been included by request when researchers scale up for clinical trial materials or regulatory documentation.
As a manufacturer, we don’t pass off third-party material as our own. We draw every sample from our own line, maintain full traceability from raw inputs to final packaging, and keep batch records ready for customer review. Documentation doesn’t end with a single certificate—we’ve worked with clients on tailored impurity profiles or developed bespoke analytical methods when project requirements evolve. Every time we run a new lot, data gets checked against historical results and customer feedback, not just the certificate of analysis.
Direct communication with end-users helps us troubleshoot unique issues: one longstanding partner had trouble with material from elsewhere causing persistently off-white or slightly colored suspensions, complicating analytical chromatography. Our in-house process—using high-vacuum drying and a specialized recrystallization solvent system—solved this for them. We see the difference in peak shape in NMR and HPLC, and our partners confirm it during scale-up validation.
Plenty of distributors offer 3,4,5-Trimethoxyphenol as a standard aromatic chemical. Many come to us after running into unexplained color leaching, variable melting points, or incomplete dissolution in their most-used solvent systems. Typical off-the-shelf stocks are bulked up for generic sales—little to no oversight on air exposure, drying time, or packaging materials. Years of running our own production batches revealed how minor tweaks—humidity controls before packing, nitrogen blanketing, and hands-on impurity screening—play out in client labs.
Feedback has shown that winning purity specs on a basic certificate isn’t the full story. Some mass-market suppliers focus on 95%+ purity, but let the last few percent slide on isomeric byproducts, endotoxins, or trace impurities like metals and aldehydes that only surface during stress tests or multi-gram reactions. Chemists, especially those in pharmaceutical development, find themselves repeating extra steps to remove unknowns that our material simply does not deliver. Real-world performance outpaces anything they’ve seen from trading houses with questionable storage or shelf-life tracking.
We know regulatory agencies now demand stronger documentation for research and precursor chemicals. With our 3,4,5-Trimethoxyphenol, chain of custody and compliance reports remain available every step of the way. Our audits and process logs go far deeper than the basics required for shipping or import. We have found that this attention proves invaluable when materials are destined for regulated environments: pilot-scale API routes or advanced agrochemical screening projects where trace impurity profiles can determine process acceptance.
Over the years, supporting chemists and process engineers has meant more than filling orders. A pharmaceutical client in Europe building a synthesis campaign for rare natural products asked about solvent-stable packaging and real-world shelf lives. We worked together, testing our product stability in multiple packaging options, ultimately supplying argon-filled PE drums that preserved sample clarity and flow after shipment and storage. Now, every large-scale customer gets a packaging consultation at no extra cost.
We’ve maintained relationships across several academic labs as well as private-sector R&D groups. These partners contact us directly for technical support, troubleshooting failed reactions, and custom batch sizing—sometimes as small as a few grams, sometimes reaching into tens of kilograms for pilot campaigns. If a customer needs reference spectra or a detailed breakdown of impurity thresholds, we’re able to share historical data and cross-compare with their own instruments. Openness and technical conversation remain core to our work.
Consistent quality in 3,4,5-Trimethoxyphenol means more than just HPLC numbers. Impurities or slight color changes can signal underlying issues like incomplete drying, trace oxidants, or storage contamination. We learned, through repeated stability trials, that longer shelf life and reliable product handling depend on more than just a one-off drying step. Our workflow now includes controlled environmental monitoring during packaging, and we choose container materials proven to withstand varying climates through international shipping.
Production chemists often mention bottlenecks that trace back to minor differences in starting materials. Some phenolic derivatives may show subtle changes in reactivity or solubility profile due to elevated residual moisture, or slight exposure to light during routine storage. Our facility addressed this by adjusting handling protocols and improving lot tracking, ensuring customer findings match what our internal analyses report. The result: fewer unknowns at the reaction bench, and more reliable outcomes for both routine and high-value projects.
Real-world applications in medicinal chemistry and specialty polymer synthesis push manufacturers to raise their standards. We’ve heard from several chemical engineers and synthetic chemists involved in the production of targeted therapy precursors or organic electronic materials that raw material inconsistency can mean days lost to troubleshooting. Our direct oversight of synthesis, purification, and material logistics allows us to supply 3,4,5-Trimethoxyphenol that meets their elevated requirements.
Synthetic route optimization continues to evolve, sometimes requiring modifications in input material format—changing from powder to crystalline chunk, or varying particle size for enhanced dissolution in nonpolar solvents. We have updated our milling and sifting protocols several times to serve customers shifting from lab trials to pilot runs. These customizations aren’t cosmetic. Each change adjusts the reactivity or ease of weighing and handling at scale. If a manager requests consistency at kilo scale, we produce, track, and document every batch through controlled, in-house procedures.
Direct engagement with research and production leads often influences how we refine our product. Case in point: a specialty pharma company experienced repeated failures to crystallize a target intermediate whenever using non-specific grade 3,4,5-Trimethoxyphenol. After reviewing sample spectra, we identified minor contaminants correlated with instability. Our production line updated controls, and the resulting improvement cut their project timeline by over a month. Such feedback underscores the critical role of two-way communication between supplier and user, especially in high-stakes development environments.
Delivery speed alone never replaces product transparency. We offer technical dossiers, signed chromatograms, and third-party assay reports alongside routine shipments. In turn, clients alert us to any sign of batch inconsistency, so we can course-correct before larger downstream delays occur. Mutual trust formed over years transforms a simple chemical purchase into a technical partnership—a benefit that does not arise with bulk brokers or generic stockists.
Current global shifts in chemical regulation mean that QA, documentation, and traceability are under constant review. With an increase in demand for traceable sources of starting materials, including 3,4,5-Trimethoxyphenol, our investments in compliance and digital batch records have more than paid off. Both research clients and production partners express relief in being able to access full resin, solvent, and packing material lot numbers in a matter of hours, rather than hunting through paperwork from a series of middlemen.
Process audits ensure sharp tolerances for storage, underlining the safety and identity of every shipment. Our facility uses automated inventory for advanced tracking, limiting exposure to air and light, and producing a digital trail for regulatory review. For clients submitting regulatory filings, custom impurity profiles and method validation support are available, supporting quicker approval and lower costs on the project end.
Our approach to 3,4,5-Trimethoxyphenol production stands on the principle of refinement through direct application feedback. Pilot project failures and process upsets, once escalated by inconsistent input material, have dropped sharply among our customer base. We invest in upgrading production equipment, analytical methods, and packaging solutions because every lab-scale campaign and manufacturing run presents new variables. By treating the product as an evolving specialty chemical—not just a commoditized building block—we have built a brand on trust and technical dialogue.
Ongoing process R&D at our site sometimes leads to new findings about batch crystallization or trace impurities. Not all discoveries make front-page news, but minor shifts in reaction timing or intermediate pH adjustments often spawn significant downstream improvements. We pass those findings back to our clients through revised standard operating procedures, or targeted support at the planning stage of a new project.
We’re committed to open information sharing, recognizing it as a cornerstone of successful scientific partnership. By maintaining this approach, our 3,4,5-Trimethoxyphenol product line continuously adapts to the changing demands and discovery challenges faced by modern chemical and pharmaceutical innovators.
Manufacturing 3,4,5-Trimethoxyphenol in-house allows us to guarantee material quality, support technical collaborations, and solve problems in real time. The journey from raw starting material to packaged product involves not only chemistry but clear, robust communication with users. Every lesson learned from feedback, scale-up failures, and changing regulatory demands is integrated back into our process. The value becomes clear not only in specifications, but in a cleaner workflow and more predictable results at the customer site. Over the years, working directly with scientists, engineers, and formulators has proven that craftsmanship, transparency, and agility keep us moving forward.