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HS Code |
474213 |
| Chemical Name | 2,3,4-Trimethoxyphenylacetic Acid |
| Cas Number | 5324-84-5 |
| Molecular Formula | C11H14O5 |
| Molecular Weight | 226.23 g/mol |
| Appearance | White to off-white solid |
| Melting Point | 128-130°C |
| Boiling Point | No data available (decomposes) |
| Solubility | Soluble in methanol, DMSO; slightly soluble in water |
| Purity | Typically ≥98% |
| Density | 1.246 g/cm³ |
| Smiles | COC1=CC(=C(C(=C1OC)OC)CC(=O)O) |
| Synonyms | 2,3,4-Trimethoxybenzeneacetic acid |
| Pka | ~4.2 (carboxylic acid group) |
| Storage Temperature | Store at room temperature |
| Refractive Index | No data available |
As an accredited 2,3,4-Trimethoxyphenylacetic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 25-gram amber glass bottle securely sealed, labeled “2,3,4-Trimethoxyphenylacetic Acid,” includes hazard warnings and lot number. |
| Shipping | 2,3,4-Trimethoxyphenylacetic Acid is shipped in tightly sealed containers, protected from moisture and light. Packaging complies with chemical transport regulations to prevent leaks or contamination. The product is labeled with necessary hazard and handling information, shipped via reliable carriers, and accompanied by safety documentation such as SDS for secure delivery. |
| Storage | 2,3,4-Trimethoxyphenylacetic Acid should be stored in a tightly sealed container, away from moisture and direct sunlight. Keep it in a cool, dry, and well-ventilated place, preferably at room temperature. Ensure the chemical is kept away from incompatible substances such as strong oxidizing agents, and label all containers clearly to avoid confusion and ensure safe handling. |
Applications of 2,3,4-Trimethoxyphenylacetic Acid in Industrial ManufacturingAs the direct manufacturer of 2,3,4-Trimethoxyphenylacetic Acid, we supply this specialty aromatic intermediate to global partners involved in advanced chemical synthesis. Below are the primary industrial application sectors where this compound plays an essential role in downstream production. Each section outlines industry-specific compliance, formulation guidelines, integration stages, and representative finished products. 1. Pharmaceutical Intermediates for CNS Active Ingredients2,3,4-Trimethoxyphenylacetic Acid represents a core building block in pharmaceutical manufacturing, especially for the synthesis of central nervous system (CNS) drug intermediates. Many active pharmaceutical ingredients (APIs) depend on this raw material as a key side-chain intermediate, contributing to diverse benzylamine and phenethylamine derivatives used in the final therapeutic compounds. Its strict purity and traceability are critical to regulatory submissions, while the specific incorporation occurs during protected amide coupling and reduction stages. Industry compliance standards
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2. Advanced Agrochemical SynthesisThis aromatic acid is directly utilized in the custom synthesis of selective herbicide and fungicide intermediates. Its electron-rich aromatic structure enables specific functionalization, which serves as a key step in producing phenylacetic acid-based agroactives. Agrochemical manufacturers depend on precise dosage during process scale-up to control downstream product purity and minimize by-product formation, especially under regulatory scrutiny for active residue limits. Industry compliance standards
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3. Synthesis of Specialty Dyes and PigmentsDownstream dye and pigment producers incorporate this compound in the manufacture of high-purity aromatic aldehydes and quinone compounds. Its three methoxy substituents enable unique color-fastness and spectral properties in pigment molecules, particularly for applications demanding light-stable, low-toxicity colorants. Precision in ingredient integration and regulatory documentation is vital to meet textile and food-contact dye requirements. Industry compliance standards
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4. Fine Chemical Synthesis for Research Reagents2,3,4-Trimethoxyphenylacetic Acid supports the production of custom reagents and catalog reference compounds, favored by leading chemical research organizations and lab reagent firms. Its unique substitution pattern ensures compatibility for preparing building blocks used in medicinal chemistry screens, mechanistic studies, and process validation projects. Manufacturer transparency and lot traceability remain critical to safeguard suitability for regulated R&D workflows. Industry compliance standards
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In the manufacturing world, the path chemicals follow from raw materials to finished product shapes everything clients can do with them. Our production team has years of history with 2,3,4-Trimethoxyphenylacetic Acid. We’ve watched this compound find a home in pharmaceutical building blocks, agrochemical intermediates, high-value fine chemicals, and advanced organic synthesis. We’ve seen demand shift not only for volume but also for consistency, purity, and reduced contamination risk. So a lot of attention and care goes into our process, and into understanding what our clients expect.
We manufacture 2,3,4-Trimethoxyphenylacetic Acid to strict in-house specifications, developed through feedback and lab testing. Purity matters most to chemists downstream, and so we target ≥98% purity on GC, with heavy metal content and moisture minimised in every batch. Shelf stability factors into our protocols, with particular care taken during post-reaction purification and drying. The product typically appears as a white to off-white crystalline powder, with a melting point carefully controlled between 120 and 124°C, ensuring dependable handling and storage in research, pilot, and full-scale environments. Routine HPLC and NMR checks confirm the structural integrity batch to batch.
Experienced chemists know that impurities, even in sub-percent ranges, translate directly to failed syntheses or poor yields. Trace byproducts—mono- or di-methoxy substituted analogs, or phenolic starting material residues—throw a wrench into advanced organic transformations. Our process focuses on minimising these, using multistage recrystallisation and solvent selection tuned for this specific acid. We sample repeatedly from early intermediates to the refined output. If a batch falls short even by a fraction, it gets reprocessed, not relabelled or blended away.
Most of the requests we see for 2,3,4-Trimethoxyphenylacetic Acid come from pharmaceutical R&D, either for direct coupling with active pharmaceutical ingredients or as an intermediate for heterocyclic cores. Synthetic routes for antineoplastic and CNS-targeted drugs often depend on phenylacetic acid frameworks. Research groups and manufacturing plants rely on predictable sample behaviour reaction after reaction, not just a vague purity claim. In crop protection chemistry, this compound often acts as a precursor for select herbicides and plant growth regulators. Academic laboratories, meanwhile, find it useful in aromatic ether cleavage studies—where competing side products destroy the value of control experiments.
Those uses push for high lot-to-lot reproducibility. We’ve heard from custom synth teams that even minor color or odour differences can signal a problem, prompting delays and extra work. That feedback circles back into our QC approach for every order.
There is a gap between chemical production and chemical trading. We run our own reactors and distillation systems, not just a stockroom for outsourced material. The synthesis—starting from substituted anisoles or guaiacols, carefully controlled methylation and acylation steps—belongs to us. Our chemists monitor every run, pulling random aliquots for chromatography and spectrometry. Each production cycle has been tweaked over hundreds of repetitions to strike the best balance between output and contaminant control, and our dedicated finishing lines reduce cross-contamination from unrelated substances. If a client’s synthesis depends on avoiding particular trace ions or solvents, we take that into account at production planning.
Confusion sometimes arises between 2,3,4-Trimethoxyphenylacetic Acid and its close cousins—2,4,5- or 3,4,5- variants, or unsubstituted phenylacetic acid. We run these side by side in our lab, observing real differences. Substitution pattern alters reactivity at the benzylic position, shifts solubility in protic and aprotic systems, and determines compatibility with various condensation partners. Some clients discover late in development that an ‘almost right’ isomer harms yields or generates persistent impurities. We produce and test all three positional isomers, but every production report drills down to the unique signature of the 2,3,4- compound: melting point, spectral profile, and single-peak chromatography.
While related compounds may offer surface similarities, users report subtle but crucial differences. A medicinal chemist encountering a stuck reduction often finds the cause hidden in a stray isomer, not in a failed catalyst. If an agrochemical firm finds their final product shows inconsistent activity in the field, trace contamination with a non-target methoxy isomer usually explains it. Multi-year supply relationships hinge on clarity and reliability. We maintain parallel records for side products—documented at every step—so a batch audit reveals the subtle differences before shipments leave the plant.
Raw material fluctuations pose a persistent challenge. Years of manufacturing have shown that not all sources of guaiacol and other feedstocks yield identical intermediate profiles. Impurities from the upstream process threaten the quality of end-product batches. Long before the industry adopted sustainability targets, we began qualifying and requalifying suppliers, preferring those who can guarantee tighter impurity profiles and more consistent shipments. Every new lot of precursor undergoes sample testing, and production schedules pause if test results deviate from expectations.
Natural disasters, export restrictions, or transportation delays sometimes force us to deal with last-minute substitutions or timeline shifts. Our direct control over intermediate synthesis gives us options, letting us balance the fleet between multiple processing lines and keep product flow stable. Still, we share forecasts and delays with downstream partners as soon as possible, since trust disappears if a project stalls with no warning.
Over time, we have refined our process with feedback from industry and our own QA teams. Early runs often saw inconsistent color and clumping in the final powder, traced to solvent residues and insufficient drying. Tighter vacuum controls and additional washing steps brought improvements, but also required new handling systems to avoid powder loss. Today’s product undergoes multistep solvent extraction and inert-atmosphere drying, eliminating most batch-to-batch variability. Continuous monitoring catches color drift or off-odours before bulk product ever reaches packaging.
Regulatory and environmental standards moved the industry toward cleaner, lower-emission processes. We spent years modifying reactor charging protocols and exhaust treatment to reduce methyl halide release, investing in containment and capture upgrades. These steps cut emissions and preserve product quality, with the added benefit of reducing workplace exposure concerns. Today’s process produces less byproduct, generates less solvent waste, and gives a more consistent yield.
Quality checks stand front and center in our manufacturing system. Each batch of 2,3,4-Trimethoxyphenylacetic Acid gets a unique identification code tied to detailed process records, reagents, and conditions. This data supports full traceability—even months later, we can retrace any quality concern back to a certain raw material delivery or reactor charge. Our staff keep reference samples from every shipment for retesting on demand. Periodically, we conduct stability studies to verify that product stored at varying temperature and humidity still meets specifications after extended storage.
We maintain a suite of analytical tools for every outgoing lot—GC, HPLC, NMR, IR—ensuring that the product’s identity and purity align with published standards and client expectations. Recovered solvent is checked for cross-contamination and undergoes polishing before reuse, not just recycled untreated. Our analytical team works hand in hand with production, not downstream as an afterthought.
Our production runs feed directly into R&D projects. Pharmaceutical and specialty chemical clients often bring us protocols requiring unorthodox scale, packaging formats, or particular impurity safeguards. We provide technical support—sharing material compatibility data, sample vials, or packaging inert gas fill—based on what the project really needs, not only what’s convenient for our facility.
Custom applications often create new challenges. Some clients pursue exotic derivatives using non-standard solvents that interact unpredictably with minor byproducts. We respond by targeting tighter process controls, narrowing the impurity profile even further, or prepping extra small-panel samples for trial runs. If storage stability over long sea freights or in humid climates presents an issue, our team reviews packaging solutions using triple-sealed liners or custom barrier drums. Because we work from scratch, not just broker, we can accommodate this level of adaptation.
Hazard management shapes every aspect of chemical manufacturing, and 2,3,4-Trimethoxyphenylacetic Acid is no exception. We run crew safety briefings around solvent handling, dust containment, and personal exposure. Our investment in upgraded air handling and powder transfer equipment limits escape of particulate and vapor, protecting both workers and the environment. Training reinforces proper handling for emergency response, everywhere from synthesis floor to final drum sealing.
Process integration with other plant operations helps extend the value of every input. Excess heat from batch reactions supports greenhouse operations onsite. Waste acids and spent solvents go through neutralization and mechanical recycling, with all streams monitored to meet or beat local effluent standards. These choices return direct benefits to production—less downtime for cleaning, less raw material bought only to go out as effluent.
We’ve noticed a shift toward smaller, faster custom synthesis projects, especially as big pharma looks to diversify pipelines and respond to patent cliffs. As clients move away from stockpiling massive inventories, we meet requests for just-in-time deliveries or flexible batch size. Requests for documentation—coas, process descriptions, impurity mapping—continue to grow. We invest in clear communications and prompt data sharing, helping our clients meet audits, regulatory reviews, and market launches without hurdle.
Global trends toward green chemistry influence both our R&D focus and our customer base. Several large clients ask for details on lifecycle assessments, waste minimization, and renewable sourcing. We see this not only as a compliance matter but as an opportunity to differentiate ourselves from spot-traders or repackagers. Being able to show, with documents and transparent records, exactly how we make and ship each lot has helped us form lasting supply partnerships. This same openness lets us lead quality improvement forums with clients, where we listen to their pain points and feed discoveries back into our daily practice.
Open dialogue shapes both product and company direction. Plant engineers attend industry seminars, not just to publicise our wares but to trade best practices around emission control and process optimization. Our lab supports collaborative research, helping university groups refine detection and quantification methods for trace byproducts and metabolites. Results feed back into process improvements—each shared detail giving us a better map of where to focus next.
Competitors in the sector sometimes take the shortcut—relabelled goods, non-transparent handling, or blending off-target lots. These choices erode confidence. Our focus on direct manufacturing, testable quality, and full disclosure creates differentiated value for our partners. In a world where one faulty batch can set research back months, trust arises not from paperwork but from repeated delivery of the promised standard.
Markets, regulations, and technologies never stop evolving. We anticipate tighter controls from both authorities and clients, especially around residual solvents, trace metal content, and process documentation. Our continued investment in analytics, plant upgrades, and personnel training keeps us ready for these demands. The experience of shepherding 2,3,4-Trimethoxyphenylacetic Acid from raw feedstock to pure, crystalline endpoint—hundreds of times over—teaches humility and attention to detail that only grow with time.
Our commitment remains: produce from scratch, document every run, answer every technical question openly, and support users from project launch through to final product. Whether the need is a kilogram to launch a new medicinal chemistry program or a drum for scaling up an agrochemical process, we serve as the responsible link in the chain—delivering experience, not just product.