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HS Code |
693941 |
| Chemical Name | 2-(4-Chlorophenoxy) Propionic Acid |
| Molecular Formula | C9H9ClO3 |
| Molecular Weight | 200.62 g/mol |
| Cas Number | 299-13-4 |
| Appearance | White to off-white crystalline powder |
| Melting Point | 92-95°C |
| Solubility In Water | Slightly soluble |
| Density | 1.33 g/cm³ |
| Pka | 4.1 |
| Odor | Odorless |
| Storage Conditions | Store in a cool, dry, well-ventilated area |
| Synonyms | 4-Chlorophenoxy-2-propionic acid |
As an accredited 2-(4-Chlorophenoxy) Propionic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g of 2-(4-Chlorophenoxy) Propionic Acid is supplied in a sealed, amber glass bottle with a tamper-evident screw cap. |
| Shipping | 2-(4-Chlorophenoxy) Propionic Acid is shipped in tightly sealed containers to prevent moisture and contamination. It should be stored in a cool, dry, and well-ventilated area away from incompatible substances. Transportation complies with local and international regulations, typically as a non-hazardous material, ensuring safety in handling and delivery. |
| Storage | 2-(4-Chlorophenoxy) Propionic acid should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizing agents. Protect from moisture, heat, and direct sunlight. Proper labeling and secure storage are essential to prevent accidental exposure. Always follow relevant safety guidelines and regulatory requirements for chemical storage. |
Applications of 2-(4-Chlorophenoxy) Propionic Acid in Industrial Manufacturing2-(4-Chlorophenoxy) Propionic Acid forms a key intermediate in specialized chemical syntheses within regulated sectors, especially as a precursor and building block tailored to advanced agrochemical active ingredients, pharmaceutical intermediates, and select polymer modification routes. As a direct manufacturer, we reference industry-adopted guidelines, process validation, batch traceability, and documented performance in critical downstream integrations. 1. Agrochemical Herbicide Intermediate SynthesisThis raw material serves as a fundamental intermediate for ether-type selective herbicides, where the aromatic-substituted propionic acids underpin key active structures. Manufacturers rely on its purity grade and low residual content for chlorination and etherification steps in herbicidal active ingredient synthesis. The input material's regulated impurity profile allows for synthesis hold points, real-time analytics, and final conversion yields documented for crop protection product registrations. Integration aligns with global agricultural chemical industry demands for reproducibility and field application safety. Industry compliance standards
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2. Pharmaceutical Intermediate for Fibrate SynthesisThis compound is widely processed as a pharmaceutical intermediate in the production of fibrate-type hypolipidemic agents. Industrial users leverage its reactivity for esterification and chain elongation to construct fenofibrate, clofibrate, and analogous drugs. The controlled synthesis environment allows for batch validation in line with CGMP requirements, while in-process testing ensures contaminant control and process validation. Its deployment in route selection impacts solvent recovery, waste management, and API documentation workflows. Industry compliance standards
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3. Auxiliary Component in Polymer Modifier ProductionChemical processing facilities utilize this acid as a co-monomer or structural modifier during the synthesis of specialty copolymers and engineering polymers. The aryl ether propionic configuration allows for targeted property modification, particularly within polymer chains requiring improved flexibility, chemical resistance, or surface energy tuning. Industrial practitioners select grade and dosage based on process viscosity, reactivity with existing monomer sets, and target mechanical performance in high-temperature or aggressive environments. Industry compliance standards
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4. Fine Chemical Intermediate for Aromatic Ether SynthesisSpecialty chemical manufacturers integrate this compound as a nucleophilic precursor in the synthesis of advanced aromatic ethers, which are used in high-value surfactants, resin additives, and as stabilizers in industrial formulations. The unique para-chloro substituted phenoxy group enables selective reactivity pathways under phase transfer or catalytic conditions, optimizing product yields and minimizing byproduct formation in tightly controlled batch or continuous processes. Process engineers document impurity carryover and validate endpoint detection via chromatographic techniques to meet end-user performance specifications. Industry compliance standards
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As chemical manufacturers, we have watched the landscape of synthetic intermediates and active ingredients evolve over decades. Our experience with 2-(4-Chlorophenoxy) Propionic Acid has shown that it holds steady value for customers in both herbicide synthesis and fine chemical development. Known for its reliable purity and consistency, this product’s reputation comes from years of refining production techniques and understanding the needs of formulators.
Managing the production environment for 2-(4-Chlorophenoxy) Propionic Acid demands thorough precision. The process starts by selecting raw materials with established provenance and minimal contaminant risks. Years ago, small changes in the input chlorophenol grades taught us the consequences: even slight impurities can show up in the final crop protection product. We shifted to sourcing only high GC-purity feedstocks and adjusted catalysts in reaction stages after testing multiple alternatives. Because of these lessons, we keep the acid content below 0.1% and maintain a sharp melting range, without fluctuations that compromise downstream use.
Our long-standing batch records reveal that stable yields result from managing temperature profiles exactly. Unstable conditions have triggered undesired side reactions, so we set clear upper and lower limits, checked with automated monitoring systems. This insistence on vigilance through every heating and reflux stage means our product has consistently reproducible assay values, which our regular clients can confirm through their own audits. In practical terms, technicians tell us every month that blending, compounding, or esterification works without surprises, even after repeated unloading and storage.
Where physical form matters, we’ve prioritized crystalline powder over lump preparations. Powder offers flow and solubilizes faster, which we’ve repeatedly seen translate to less downtime during mixing and less dusting compared to granules. We learned that customers appreciate reduced static charge in the powder—and we adopted anti-static handling at every filling stage. We never cut corners with drying, as too much moisture can throw off the rest of the formulation line. Our moisture checks every 30 minutes in production came after several batches in the early years went lumpy during container transit in humid months.
There are multiple so-called “phenoxy acid” options in global markets. We know many buyers have tried generic variants, especially when cost becomes the sole concern. The step up to our 2-(4-Chlorophenoxy) Propionic Acid comes from both physical qualities and tighter control over each critical parameter. For instance, when compared with 4-chlorophenoxyacetic acid (4-CPA) or unrefined propionic acid derivatives, our product’s melting point difference is obvious—it shows a narrow, predictable range every time. The result: more stable emulsions and better shelf life for the end-user.
Operators who switch to our grade regularly comment on the absence of off-odors and less yellow tint. The visual difference sounds small, but on high-spec liquid herbicide plants, color and clarity determine batch acceptance. Minor tyrosine-like impurities or chlorinated side products from alternative sources often turn up as sediment, which can choke filters. Clean, pale crystalline acid from our process allows for longer batch runs and less filtration downtime.
Over time, we have refined the model specification by increasing minimum assay and tightening limits on chloride ions and related substances. Some competitors offer broad-range guarantees, but we aim for no surprises even during the hottest summer shipments or in long-term storage. Customers rely on our documentation because each shipment ties directly back to internally retained reference samples—something most trader suppliers cannot offer when pressed on traceability.
Our core clients use 2-(4-Chlorophenoxy) Propionic Acid as a precursor in systemic herbicide design. Over the years, our product contributed to both new and established molecule registrations. One clear difference emerges during scale-up: batches avoiding polymorphic inconsistencies lead to fewer hiccups during registration batch validation. Chemists involved in downstream synthesis note that predictable reactivity means analytical profiles stay clean, and that brings more certainty to formulation and stability work.
Application engineers in the agrochemical space value this product for synthesis of chiral derivatives and selective actives. Because we monitor optical purity at every step—using both in-house and third-party labs—we reduce the chance of inefficiency in chiral coupling reactions. In several runs, customers observed improved selectivity yields after switching from less controlled material. Whenever a plant upgrade improves our filtration or drying, regular partners see those gains reflected in their own throughput.
Beyond agrochemicals, our experience with pharmaceutical intermediates, especially for developing synthetic lipid-modifying agents, reveals the importance of eliminating certain metal traces. We took on this challenge after a project with a global innovator, who flagged micro iron deposits that affected color and stability. Our response was to overhaul reactor linings and implement enhanced deionized water wash sequences. Months later, the client confirmed lower metallic residues and more reproducible product crystallinity. These upstream efforts lead to fewer problems in finished dose manufacturing, best shown by fewer need for repeat cleanups on pharma lines.
The real testing ground for a product like 2-(4-Chlorophenoxy) Propionic Acid comes during scale transitions. We’ve moved from hand-stirred pilot runs to continuous batch reactors. Key learnings came from managing heat transfer at larger volumes, where cooling lag once led to unwanted overreactions and higher impurity spikes. These days, in-line monitoring and robust jacket temperature control mean more reproducible output and less post-run reprocessing.
Routine cleaning used to leave micro traces of organics, so we built in phases for hot solvent flushes and completed design upgrades on filter driers. Residual tests fell sharply as we rotated in new equipment. Internal data shows sharply fewer out-of-spec incidents than in the days before process automation. Plant managers find pride in this record because we take action on even minor trends, before they turn into shipment-level problems.
From raw material checks through to packaging, we enforce documented controls. Each drum receives sequential coding, allowing full batch traceability. Every production run retains a reference sample on site, something that saved confusion in a case where a logistics partner mishandled a shipment and damaged only certain lot numbers. Fast investigation allowed us to assure clients of unaffected batches and deliver a replacement in record time.
Manufacturing 2-(4-Chlorophenoxy) Propionic Acid responsibly means more than just efficient chemical conversions. Early process routes led to unexpected waste byproducts, and we took steps to reduce process side streams. Our work with neutralizing spent reactor solutions now recycles much of the water, and installation of secondary scrubbers means reduced vented emissions. Staff safety shows up in regular drills and investment in modern PPE—years of experience make clear that safe practices, even if they slow things down, prevent both incidents and future shutdowns.
Waste handling stands as a constant management point. After research into the fate of chlorinated byproducts, we invested in on-site incineration for critical waste streams, and partnered with responsible off-site handlers for non-critical residues. Inspection teams verify that drainage never threatens groundwater. Updates in international compliance standards bring added scrutiny, and we share these audits with committed clients. We stand by the need to match every process advancement with environmental responsibility, and transparent reporting underpins that commitment.
Every improvement in process containment, vapor capture, and liquid-handling translates into safer workspaces, fewer regulatory headaches, and a more sustainable operation. For clients exporting finished goods, our compliance alignment with both local and global standards serves as reassurance—especially as more markets demand proof of low residual contamination in agrochemical and pharmaceutical substances.
To understand market stability, clients look for evidence that a manufacturer can ensure supply during volatility. Our operations span both primary and secondary plant sites, built close to raw material sources. During the pandemic, immediate procurement shocks tested the real strength of supply chains. Our ability to draw from dedicated backup inventories proved critical as freight lanes tightened. That period drove us to diversify inbound routes and logistics partnerships, never relying on a single carrier or customs broker.
For large bulk buyers and smaller R&D groups alike, batch-to-batch uniformity underpins process development and registration submissions. We’ve learned never to compromise on lead times: repeated customer feedback underscores that missed ship dates delay entire project schedules. Each shipment leaves the plant in packaging built for the stated distance, rigorously tested during the rainy and hottest months for impact and moisture resilience.
Custom blends and special pack sizes have increased in demand. Some clients require only kilogram-scale lots for research, while others rely on container-scale contracts for multi-plant operations. We consistently align on needs: smaller lots use tamper-evident packaging with nitrogen backfill, and bulk deliveries include anti-static liners as standard after a logistics audit flagged static discharge risk.
True support goes beyond routine analysis and certificates. Our regular technical exchanges include site visits, problem-solving calls, and deep-dive joint analyses—these moments underpin the fact that manufacturers and formulators share responsibility for successful products in the marketplace. One notable instance—a client facing emulsion instability—benefitted from our in-house chromatography review, which pinpointed a low-level volatile compound missed by external labs. Changes in our drying process after this collaboration eliminated the issue in subsequent runs.
We regularly update R&D teams with analytical bulletins, sharing data on impurity profiles by lot and batch. Chemists gain peace of mind and data to build registration dossiers with confidence. White papers and collaborative trials stand as part of our process; some partners have presented these findings at international symposia, crediting our technical contributions.
If formulation challenges arise, from solubility shifts to unexpected color formation, our technical support remains available beyond the purchase point. Our approach values long-term partnership: open sharing of process insights, lessons learned, and updated production controls. These exchanges help clients stay ahead in fast-moving markets.
Decades of client interaction confirm that not all 2-(4-Chlorophenoxy) Propionic Acid is made alike. Some market alternatives originate from quick-batch, minimally refined processes, where visible and hidden differences emerge on closer inspection. The result often includes wider impurity bands, off-white colors, and increased contaminant traces, which undermine sophisticated downstream use. Our batch reports show color consistently below set limits with trace chlorinated organics at undetectable levels by modern instrumentation.
Users who have shifted from commodity grades to our material cite smoother handling, fewer blockages at dosing stages, and reduced off-spec event rates. In multi-step syntheses, these differences reduce unexpected side-product formation and downstream purification needs. Over years, we correlated higher upfront quality with finished product reliability, driving home the point that strong initial controls matter more than last-minute adjustments.
As quality awareness rises among global formulators, specifiers now demand declarations of traceability, and they want assurance on every shipment. Our plant implements serial lot tracking and keeps both electronic and physical records—this has helped on more than one occasion when a customer encountered queries from regulatory auditors. Unlike supply chain intermediaries, we maintain full visibility from starting feedstock through to final packaged acid.
Our journey with 2-(4-Chlorophenoxy) Propionic Acid is not static. Partnerships with academic institutes bring new ideas for synthesis and quality optimization. Each year, we invest in better analytics, process upgrades, and operator training. Equipment renewals—like the installation of closed transfer systems and advanced control panels—stem from an intent to improve worker safety and product control.
We continually review scientific literature and regulatory guidance to adapt our product’s compliance profile for new regions. Forthcoming changes in residual standards or impurity guidelines find us ready to adjust extraction, purification, or analytical protocols. This readiness brings reassurance to customers launching products in new markets or responding to evolving technical requirements.
Strong internal communication links our development, quality, logistics, and customer service teams. Each department shares a stake in the consistent supply of 2-(4-Chlorophenoxy) Propionic Acid. Regular performance reviews and lessons learned from both successes and setbacks steer us forward. Decisions rest on real-world experience, feedback, and a shared goal of delivering what downstream users count on.
2-(4-Chlorophenoxy) Propionic Acid serves as more than just a molecule in our catalog. The discipline behind its consistent manufacture, transparent traceability, and deep technical support stems from the needs of processors, formulators, and innovators who rely on steady input, batch after batch. Our track record emerges from experience, learning, and day-to-day commitment to tangible quality. As use cases broaden and regulatory landscapes shift, standing ready for new requirements calls for focus, investment, and partnership. We bring our expertise and investment in every drum delivered, and that shapes the confidence clients express in their feedback, year after year.