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3,4-Dimethylphenoxyacetic Acid

    • Product Name 3,4-Dimethylphenoxyacetic Acid
    • Alias 3,4-DMPAA
    • Einecs 246-354-6
    • 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

    422318

    Chemical Name 3,4-Dimethylphenoxyacetic acid
    Molecular Formula C10H12O3
    Molecular Weight 180.20 g/mol
    Cas Number 3973-12-6
    Appearance White to off-white crystalline powder
    Melting Point 108-110°C
    Solubility In Water Slightly soluble
    Density 1.21 g/cm³ (approximate)
    Pka 4.03 (carboxylic acid group)
    Smiles CC1=CC(=C(C=C1)OC(=O)C)C
    Logp 2.57 (estimated)
    Synonyms 3,4-Dimethyl-2-phenoxyacetic acid
    Storage Conditions Store in a cool, dry place, tightly closed

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

    Packing & Storage
    Packing The packaging contains 100 grams of 3,4-Dimethylphenoxyacetic Acid, sealed in a labeled, amber glass bottle with a secure screw cap.
    Shipping 3,4-Dimethylphenoxyacetic Acid should be shipped in tightly sealed containers, stored in a cool, dry, and well-ventilated area. Ensure packaging prevents leaks and contamination. Label containers according to all regulatory guidelines. Avoid exposure to moisture and incompatible substances. Handle with appropriate protective equipment during transport, complying with all chemical shipping regulations.
    Storage 3,4-Dimethylphenoxyacetic acid 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 oxidizing agents. Protect from direct sunlight and moisture. Label containers clearly and avoid contact with skin and eyes. Store in accordance with all local, regional, and national regulations.
    Application of 3,4-Dimethylphenoxyacetic Acid

    Applications of 3,4-Dimethylphenoxyacetic Acid in Industrial Manufacturing

    3,4-Dimethylphenoxyacetic Acid has established utility across multiple downstream industrial fields, particularly as a precision intermediate for specialty agrochemicals and fine organic synthesis. As the original manufacturer, we supply this material to enterprises with highly specified process requirements, supporting their consistent quality, regulatory needs, and process efficiencies. The following sectors represent authentic, closely-defined application areas for our product, each with unique compliance, formulation, and process integration standards.

    1. Selective Herbicide Synthesis for Agriculture

    Producers of targeted herbicide actives rely on 3,4-Dimethylphenoxyacetic Acid as a structural intermediate for specific aryloxyacetic acid-type herbicides. In these plants, chemists use precise stoichiometric additions during multi-step synthesis. Production faces rigorous oversight to meet residue and safety standards in end-use agricultural chemicals, requiring validated raw material identity and purity at every batch. In-line addition at the esterification or carboxyl functional group modification step is standard, with tailored reaction times for efficiency and yield. Final products take the form of concentrated technical actives, later formulated into emulsifiable concentrates or water-dispersible granules.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management Systems
    • EU Regulation (EC) No 1107/2009 for Registration, Evaluation, Authorisation and Restriction of Plant Protection Products
    • US EPA PRN 2012-1 Guidelines for Pesticide Production

    Typical usage ratio

    • Intermediate dosing: 0.8 – 1.2 equivalents relative to target moiety; process chemists adjust molar ratios based on downstream target molecule and reaction yield requirements

    Downstream process integration

    • Direct addition during alkylation or condensation phase of multi-step herbicide synthesis, under controlled temperature and pressure for side chain introduction

    Final product types

    • Pyridine-based selective herbicide technical concentrates
    • Water-dispersible granule pre-mixes
    • Ready-to-spray herbicide formulations

    2. Fine Chemical Intermediate for Pharmaceutical Synthesis

    Specialty chemical manufacturers leverage 3,4-Dimethylphenoxyacetic Acid as an intermediate in synthesizing phenoxyacetic acid derivatives crucial for medicinal chemistry projects. Its defined aromatic substitution imparts selectivity and reactivity in constructing API scaffolds. Raw material incorporation demands full traceability, GMP documentation, and impurity profiling. Facilities incorporate this acid at the esterification or coupling reaction step, often followed by purification and chiral resolution, delivering high-value intermediates that meet stringent impurity and residual solvent thresholds enforced by international pharmacopoeias.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients
    • USP/NF Monographs for API intermediates
    • EDQM Certificate of Suitability (CEP) quality requirements
    • 21 CFR Parts 210/211 for pharmaceutical manufacturing

    Typical usage ratio

    • Intermediate fraction: 0.95 – 1.05 equivalents, depending on reaction selectivity; amounts scaled based on target molecule stoichiometry and batch size

    Downstream process integration

    • Integrated at etherification, amidation, or as a coupling reactant for side chain introduction, prior to final crystallization and purification of API precursor

    Final product types

    • Chiral amine drug intermediates
    • Phenoxyacetic acid derivative scaffolds for further pharmaceutical manufacturing
    • Custom pharmaceutical building blocks supplied for CDMO projects

    3. Raw Material for Functional Polymer Modifiers

    Polymer compounders and functional resin manufacturers use 3,4-Dimethylphenoxyacetic Acid as a reactive building block in designing performance-modified polyesters and specialty resins. The unique methyl-phenoxy architecture enables precise control of polymer branch length and flexibility, impacting mechanical and chemical resistance profiles demanded in coatings and adhesives. Regulatory frameworks require trace solvent and low by-product levels in all monomers. Technical staff introduce the acid during high-temperature melt polymerization, often employing in-process monitoring for reaction completion before the extrusion or pelletization step. Processed polymers incorporating this input find use in demanding specialty plastics and engineered coatings.

    Industry compliance standards

    • REACH Registration, Evaluation, Authorisation, and Restriction of Chemicals (EU)
    • ISO 14001 Environmental Management Systems
    • ASTM D256 & D638 for mechanical properties of plastics
    • EN 71-3 Safety of Toys (Migration of Certain Elements) - when used in relevant applications

    Typical usage ratio

    • Monomeric feedstock: 0.5% – 3.5% by weight within polymer blend; percentage adjusted for target flexibility, clarity, and application-specific requirements

    Downstream process integration

    • Monomer introduced during melt-stage polyester synthesis or as a chain modifier in copolymerization reactors; dosing controlled via in-line feeding to maintain uniform polymer structure

    Final product types

    • Specialty thermoplastic pellets
    • Modified polyester resins for industrial adhesives
    • Engineered plastic components with custom mechanical properties

    4. Precursor for Plant Growth Regulator Formulations

    Manufacturers in the agrochemical sector use 3,4-Dimethylphenoxyacetic Acid to develop advanced plant growth regulator (PGR) formulations, where modified aryloxyacetic acids play a significant role in promoting selective growth effects on row crops and horticultural species. Formulation managers require full compliance with agrichemical safety laws, with careful lot validation and residue assessment. Incorporation into solution concentrates or soluble powder forms takes place during the formulation blending phase, post-neutralization, and pH adjustment. The end products emerge as PGR actives, with precise labeling and field-use instructions per regulatory guidelines.

    Industry compliance standards

    • Codex Alimentarius MRLs (Maximum Residue Limits)
    • China GB 2763 National Food Safety Standard (MRLs for Pesticides)
    • OECD Principles of Good Laboratory Practice (GLP)
    • ISO 17025 Accredited Laboratory Quality System for batch analysis

    Typical usage ratio

    • Active ingredient: 10% – 30% weight/weight in technical concentrate; content optimized based on intended field application rate and local regulatory guidance for permissible dosage

    Downstream process integration

    • Milled and dissolved during final blend phase under controlled pH, followed by stabilization and filtration before filling into end-use packaging

    Final product types

    • Soluble powder plant growth regulator packets
    • Liquid concentrate PGR solutions
    • Field-ready plant growth regulator sprays compatible with modern agricultural equipment
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    Certification & Compliance
    More Introduction

    Understanding 3,4-Dimethylphenoxyacetic Acid: A Manufacturer’s Perspective

    Our Longstanding Commitment to Chemical Quality

    Every batch of chemical we produce carries the weight of years of hands-on knowledge, real trust built in the field, and a deep-rooted sense of responsibility to our partners. Working directly in chemical manufacturing, we have watched as demand for specialized compounds—especially in the phenoxyacetic acid family—has grown. 3,4-Dimethylphenoxyacetic Acid stands out for us not because it fills a catalog slot, but because behind every drum and every ton, there is a story of research, real-world feedback, and hard-won improvement.

    What Makes 3,4-Dimethylphenoxyacetic Acid Different?

    Most phenoxyacetic acid derivatives have their staple uses. Through our years of synthesis, 3,4-Dimethylphenoxyacetic Acid has carved out a unique role in practical applications—especially compared to its simpler relatives like 2,4-dichlorophenoxyacetic acid or unsubstituted phenoxyacetic acid.

    The double methyl groups on the 3 and 4 positions alter its reactivity, absorption, and solubility in practical systems. This isn’t just lab talk: in manufacturing, we see this change reflected in how much cleaner the product handles in certain formulations, how swiftly it integrates, and how it reacts to both heat and moisture after packaging. These tweaks lead to differences worth noting for anyone tracking downstream effects, like product lifespan or process reliability.

    The Value in Handling and Consistency

    Working upstream as manufacturers, we obsess over how each batch behaves—during synthesis, purification, drying, and packaging. 3,4-Dimethylphenoxyacetic Acid produces fewer by-products during condensation, and it feels cleaner on the line. Operators notice reduced clumping and smoother flow. From a manufacturer’s standpoint, small wins like this add up. Fewer production interruptions mean tighter deliveries and less waste for everyone down the chain.

    Specification Drives Real-World Results

    Laboratory numbers only matter if they translate. In our facility, every lot goes through direct verification—purity measured, moisture controlled, particle size watched closely. The model we most often provide reaches a minimum of 98.5% content by HPLC, with loss on drying under 0.5%. We continually test for trace by-products, especially those stemming from side-chain alkylations, since even small impurities can create headaches for users down the road.

    These tight numbers are the outcome of ongoing improvements to our reaction controls and purification steps. We use multi-stage filtration, controlled crystallization, and targeted solvent recovery approaches developed after reviewing years of batch logs and realization trials.

    Applications Guided By Industry

    3,4-Dimethylphenoxyacetic Acid isn’t a commodity chemical that sits unsold on shelves. Our direct users range from agricultural research groups to specialty chemical formulators to organizations working in novel intermediate synthesis. Some customers use it as a building block for custom plant growth regulators—the two methyl groups tune how the active structure fits into receptor sites, which can offer different biological responses compared to standard agents. For us, these field outcomes loop back to the lab, where our R&D team revisits reaction pathways and looks for ways to replicate positive results on a larger scale.

    Knowledge Built on Experience—Not Guesses

    Every improvement comes from real findings. For example, a few years back, shipment feedback pointed to a minor dusting problem. We revisited our drying protocols, tweaked the air handling, and modified conveyor profiles. This cut airborne particles and kept downstream equipment running cleaner. These studies—boring as they might seem—matter as much as the big chemical processes. Field reports from our technical team always filter back into our batch records, helping us to capture details that standard procedures overlook.

    Comparing 3,4-Dimethylphenoxyacetic Acid to Other Derivatives

    Colleagues often ask what separates 3,4-Dimethylphenoxyacetic Acid from more traditional choices. The two methyl groups change its interaction profile. In formulation, this can affect both volatility and how the acid esterifies with other agents. Our technical records confirm that users report less odor and lower evaporation losses compared to unsubstituted analogs during open-tank mixing. Physical properties like melting range, solubility in polar and nonpolar solvents, and partition ratio shift in practice. We have measured these over dozens of production runs, not simply pulled them from handbooks.

    We’ve also watched it outperform simpler phenoxyacetic acids under certain stress conditions—heat, pressure, exposure to UV—and this becomes vital when clients target products for outdoor or reactive use. These advantages arise directly from those extra methyl substitutions, and our procedures preserve that benefit by avoiding harsh processing.

    Listening to the End User: Ease of Integration

    Small details speak volumes. Clients blending 3,4-Dimethylphenoxyacetic Acid into liquid or solid matrices comment on its reliable dispersion and superior stability over extended storage. Through hands-on feedback, we learned that anti-caking steps in final packaging reduce post-shipment bridging. This matters most where warehouse and transport conditions cannot be strictly controlled.

    Over years, we also saw how its melting range, often several degrees higher than tributary acids, enhances shelf stability. Under moderate field storage, fewer batches degrade or aggregate, keeping operational schedules on track. These are not just lab figures—they show up in customer audits and day-to-day production workshops.

    Bridging Research and Bulk Production

    Our technical team works at the intersection of R&D and plant floor reality. Scaling a process for 3,4-Dimethylphenoxyacetic Acid meant solving for heat balance during exothermic steps, tuning solvent recovery to skip impurities, and building operator-friendly filtration trains. Each improvement reduces downtime, sharpening batch-to-batch reproducibility and shrinking environmental footprint through better yield per input.

    We continue to collaborate with industrial partners and research institutes. Many times the push for greater purity or alternative isomer ratios comes not from market surveys, but from real users facing processing blockages or regulatory changes. Addressing these calls, our process engineers tweak reactors, adjust temperature ramps, and test new catalysts. Our goal is to solve the actual problem, not just satisfy a datasheet.

    Environmental and Safety Practices Grounded in Experience

    Sustainable practice isn’t optional for us. We have learned, often through tough experience and regular audits, how important it is to control waste streams and minimize off-gassing at every step. Our updates extend from using closed-loop water systems to optimizing solvent stripping with real-time sensor feedback. Chemical handling teams work from site-developed best practices, not just regulatory handbooks. This has reduced contaminant levels in both liquid and solid waste entering post-treatment. Regular third-party reviews keep us honest, and feedback loops between production, safety, and logistics teams ensure new challenges get handled directly—not patched over.

    Quality Assurance as a Day-by-Day Process

    We never treat a specification as static. Each time a client encounters an issue—clumping, shelf discoloration, off-odor—we pull samples, rerun analytics, and sometimes rework the entire affected shipment. Years in the industry have taught us that proactive adjustments far outrun any after-the-fact apology. This approach means we spend more time in the lab double-checking than in the front office writing statements. In our experience, real trust grows when technical support answers questions directly, ships replacement samples without hassle, and admits what the limits are.

    We often welcome client site visits. They walk our lines, test live product, and review control charts. This level of openness holds us accountable and keeps our standard high. We know the impact even a minor deviation can have on clients’ end products, so we invest heavily in traceable supply chain steps, from raw material selection to dispatch.

    Building Real-World Solutions: Continuous Feedback Matters

    Direct input from users means more than any marketing campaign. The 3,4-Dimethylphenoxyacetic Acid you see today results from countless tweaks—air-flow corrections, filtration upgrades, tighter temperature holds. Several years ago, a client’s production manager outlined crystal formation issues that only appeared during winter. Their frank feedback triggered process optimizations on our end, where we changed cooling profiles and updated our humidity controls. The result was more consistent product across all seasons, saving both sides countless hours of troubleshooting.

    Our commitment shows in the consistency of our output and the willingness to address even small complaints urgently. We maintain an archive of user reports, both positive and negative, and make it a regular practice to review them during our internal planning cycles. For us, the measure of good manufacturing lies not just in volume sold, but in long-term partnerships surviving the unpredictable swings of industry and regulation.

    Downstream Considerations: Working With Every Link

    Surprises are common in chemical supply—weather delays, regulatory shifts, raw material shortages. Working directly with producers, shippers, and technical users, we plan every batch of 3,4-Dimethylphenoxyacetic Acid for resilience. For example, we source precursor materials from vetted partners with contingency capacity, minimizing risk of interruption. If any sourcing challenge arises, our team adapts batch protocols quickly, so clients rarely experience shortfall or variability.

    We work closely with shipping and storage partners to ensure the product maintains quality out of our facility. Real-world handling conditions can challenge even the best process controls, so our packaging and sealing routines have evolved based on experience, not theory. Each adjustment, whether it adds a day of drying or an extra sealing layer, comes from facing—and solving—real problems head-on.

    Prioritizing Transparency and Documentation

    Volatility in feedstock pricing or changes in environmental rules can ripple through the entire chain. We keep our partners in the loop with every significant update to sourcing, process, or packaging—before it becomes a problem. Transparency has kept us in good stead over the decades. Each lot comes with a full record of test results, not because a downstream user asked, but because we believe in the value of shared knowledge.

    On request, our technical team prepares detailed summary reports from batch logs, highlighting changes, interventions, or verifications made during every run. We share remedial steps if an issue threatens supply—sometimes even before the customer has noticed. In tough times, this level of openness gives both sides breathing room to adapt together.

    Looking Beyond the Product: Building for the Future

    Chemical manufacturing is rarely a smooth ride. Regulations keep shifting, new performance requirements pop up, and feedback from users always raises the bar. For 3,4-Dimethylphenoxyacetic Acid, these pressures have shaped both our process and the way we engage with the market. We continue investing in bench-scale trials, pilot programs, and analytical upgrades. Our in-house team follows developments in synthetic routes, catalysis, and application trials—many inspired directly by user insight.

    A few years back, a research group shared early data hinting at new uses for dimethyl-substituted phenoxyacetic acids in selective bioactive projects. We gladly supported their studies, providing product samples and process feedback that helped clarify manufacturing potential at scale. That experience added another layer of understanding to our own practices—reminding us that chemical manufacturing is ultimately about helping people solve tough problems, whether in the lab, the field, or the plant.

    Direct Manufacturing Means Real Accountability

    By manufacturing 3,4-Dimethylphenoxyacetic Acid ourselves—running the reactors, handling the raw materials, responding to overnight emergencies—we stand by every shipment that leaves our gates. End users count on us not only for reliable product, but also for honest communication, fast support, and a continuous drive to improve results on the ground. We know traces, side reactions, or batch variability can upend schedules; that’s why our approach depends so much on listening, responding, and recording what works (and what fails).

    Our focus on consistency extends from the first test batch to the truck at the loading dock. Experience tells us that every handoff, from production to delivery, adds both risk and opportunity to tighten control. This is where experience—not just formulas—makes the difference. Each challenge forces us to dig deeper, refine procedures, and deliver a product that meets the realities of industry and science.

    Supporting Innovation by Sharing What Works

    Innovation doesn’t happen in isolation. New uses and improved derivatives of 3,4-Dimethylphenoxyacetic Acid keep emerging, not because manufacturers set mandates, but because users bring needs and insights back to the source. Our lab team works side by side with independent researchers and formulation experts, testing fresh hypotheses and reporting practical results. Some of the best process optimizations started with a single customer’s reporting on stubborn residues or unexpected color shifts.

    By sharing our findings—good or bad—in clear terms, we help drive better practices across the industry. Open communication, grounded in practical detail rather than abstract promises, matters most when the product leaves the lab and enters the field.

    Conclusion: The Real Measure of Value

    Every shipment of 3,4-Dimethylphenoxyacetic Acid gathers experience from production floor to final use. Our perspective as manufacturers gives us daily motivation to refine, adapt, and support both the direct user and the next set of challenges. In a landscape full of claims, only the substance of day-to-day work and real results counts. We continue working hands-on, learning from every batch, and building lasting relationships based on trust and delivery—because at the end of the day, that’s what keeps all of us moving forward in this industry.