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HS Code |
736331 |
| Chemical Name | Alpha-Isopropyl-4-Chlorophenylacetic Acid |
| Cas Number | 2491-41-4 |
| Molecular Formula | C11H13ClO2 |
| Molecular Weight | 212.68 g/mol |
| Appearance | White to off-white crystalline powder |
| Melting Point | 86-88°C |
| Boiling Point | No data available |
| Solubility | Slightly soluble in water; soluble in organic solvents |
| Density | 1.208 g/cm³ (estimated) |
| Purity | Typically ≥98% |
| Storage Conditions | Store in a cool, dry place; keep container tightly closed |
| Synonyms | 4-Chloro-alpha-isopropylphenylacetic acid |
As an accredited Alpha-Isopropyl-4-Chlorophenylacetic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g sealed amber glass bottle with tamper-evident cap, chemical label displaying ‘Alpha-Isopropyl-4-Chlorophenylacetic Acid’, hazard warnings, and batch details. |
| Shipping | Alpha-Isopropyl-4-Chlorophenylacetic Acid is shipped in tightly sealed, chemical-resistant containers under ambient conditions. The package is clearly labeled according to safety regulations, including hazard identification. Shipping complies with all relevant transportation guidelines for chemicals, ensuring safe handling and protection from moisture, heat, and physical damage during transit. |
| Storage | Alpha-Isopropyl-4-Chlorophenylacetic Acid should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight and moisture. Keep it away from incompatible substances such as strong oxidizing agents and bases. Store at room temperature, following institutional guidelines for safe handling and disposal of chemicals. Ensure clear labeling and restrict unauthorized access. |
Applications of Alpha-Isopropyl-4-Chlorophenylacetic Acid in Industrial ManufacturingAlpha-Isopropyl-4-Chlorophenylacetic Acid plays a critical upstream role in selected specialty chemical sectors. As a dedicated manufacturer, we support precise industry needs through high-purity, batch-consistent supply, addressing each field’s distinct compliance, dosage, and integration requirements. 1. Pharmaceutical Intermediates for CNS APIsPharmaceutical manufacturers incorporate this intermediate into the multi-step synthesis of central nervous system (CNS) active pharmaceutical ingredients, notably within benzylphenyl-type compounds. Its utilization follows stringent GMP guidelines, requiring documentation of traceable batch history and validated cleaning regimes. Synthesis adoption depends on robust impurity profile control and adherence to process validation protocols, as demanded by regulatory dossiers new drug applications. Alpha-Isopropyl-4-Chlorophenylacetic Acid typically enters amidation or condensation steps under controlled conditions, with subsequent downstream workup and purification. Industry compliance standards
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2. Synthesis of Agrochemical ActivesAgricultural chemical producers require precise incorporation of this compound as a building block within selective herbicide and pesticide synthesis routes, particularly phenylacetic acid-derivative formulations. Production plants ensure each batch complies with local and international agrochemical registration dossiers, maintaining rigorous tracking of impurity carry-over. Process engineers introduce the raw material at key coupling or ring-closing steps within the active ingredient backbone assembly, with in-process analytics confirming target conversion. Industry compliance standards
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3. Specialty Fragrance Ingredient ManufacturingFragrance ingredient manufacturers use this material as a core intermediate for producing select musky or floral note components, especially in fine aroma or luxury perfume bases. All production follows IFRA (International Fragrance Association) guidelines and requires robust documentation on trace impurities, allergen content, and raw material origin. The material integrates into esterification or reduction stages, impacting both olfactory character and regulatory declarations for final formulated scents. Industry compliance standards
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4. Custom Fine Chemical Synthesis ServicesContract and toll manufacturers deploy Alpha-Isopropyl-4-Chlorophenylacetic Acid by request in custom project work, meeting specifications for electronics, advanced materials, or research reagent production. Clients specify individual quality needs, with documentation aligned to ISO 9001 and client-specific technical agreements. The raw material enters precise multi-step syntheses, including activated coupling, selective halogenation, or chirality introduction, often under inert conditions or specialized catalysts to control downstream structure. Industry compliance standards
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Decades in the chemical industry taught us that clear-cut choices in raw materials often mean the difference between a smooth process and a production bottleneck. We came across countless requests from pharmaceutical and agrochemical businesses seeking a consistent, high-purity source of Alpha-Isopropyl-4-Chlorophenylacetic Acid. Many times, developers would describe the hurdles they faced in scalability and quality control because their previous materials fluctuated batch to batch. Our plant developed a manufacturing route for this acid that tackles those industry headaches, not just with specification numbers on paper but with strong, reproducible batches ready for the demands of scale-up production.
Alpha-Isopropyl-4-Chlorophenylacetic Acid supports critical steps in the multi-stage synthesis of active pharmaceutical ingredients. In our own experience, we witness research groups favoring this intermediate for its reliable reactivity. Preparation of certain non-steroidal anti-inflammatory drugs relies on acetic acids like this one for constructing functional cores of the target molecule. With our version, the color, crystalline habit, and melting point stay within tight tolerances batch after batch, which cuts down on rework or troubleshooting further downstream.
Over the years, we watched customers wrestle with failed purifications and inconsistent conversions because previous material sources didn’t actively maintain contaminant profiles or isomeric purity. Our lab technicians and production chemists conduct stepwise controls for each campaign, capturing not just basic HPLC and NMR data but also subtle residue patterns that influence downstream hydrogenations and ring closures. It’s helped many development teams take fewer detours during process validation.
We settled on a minimum purity of 99.5% by HPLC because anything less can interrupt routine reactions or skew test results. Some literature describes slightly lower grades, but those always seemed to bring along a few percent of closely related byproducts or trace residual solvents, causing reductions in yield or requiring extra work-up steps. Our QC team runs every lot through a broad panel: melting point checks always fall within a couple of degrees of theoretical, moisture levels stay below 0.2%, and chlorinated impurities register below practical detection limits. We lock in batch homogeneity by using direct-draw sampling from multi-ton reactors, not just a dip from the final drum. We know these repetitive controls save clients hours in re-testing and process troubleshooting.
Customers sometimes ask about physical properties: our material tends to present as a white to off-white crystalline powder, with particle sizes falling in the comfortable medium range for most reactors and feeders. It disperses consistently in typical polar organic solvents used throughout the chemical and pharmaceutical industry. We never introduce unnecessary additives or anti-caking agents, as these can interfere with subsequent reactions or create issues in downstream logistics.
Alpha-Isopropyl-4-Chlorophenylacetic Acid often gets compared to other halogenated phenylacetic acids, such as the non-isopropyl variant or products with different halogen positioning. We stress the importance of molecular orientation; the isopropyl group at the alpha position brings substantial differentiation in chemical reactivity. For example, processes designed to create specific arylalkyl intermediates depend closely on this arrangement, which governs the regioselectivity of subsequent coupling or cyclization stages. In addition, the para-chloro placement influences both reactivity and resistance to undesired side-chain oxidation, often helping to streamline purification steps later.
One could try substituting with other analogues, but based on our plant’s troubleshooting with customer samples, most alternative acids show inferior selectivity or cause a complicated array of side products under standard synthetic conditions. The consistency in reactivity from our manufacturing streamlines scale-up in both chemical process development and pilot plant trials.
We always found that detailed project debriefs help bridge the gap between chemists and manufacturers. Over the years, we sat down with research directors in pharmaceuticals, as well as custom synthesis teams in agricultural chemicals, to sort out pain points in their synthetic plans. The feedback from multiple development rounds steered our team to focus on attributes such as high purity, specific polymorphic forms, stable delivery, and predictable storage properties. Direct application trials in industrial reactors and even pilot lines demonstrated that a controlled crystal morphology makes charging, dissolving, and reacting more consistent, which our equipment and lab optimization teams strive to replicate with each order.
Alpha-Isopropyl-4-Chlorophenylacetic Acid behaves well in multistep organic transformations, notably alkylations, amide couplings, and esterifications tailored for pharmaceutical drug building blocks. We fielded more than one call from process engineers who struggled with competitive suppliers’ variable particle sizes or impurity drifts, and each anecdote refined our own lot-release criteria. These stories ultimately improved the reliability of each delivery – from fielding a call about a plug in a feed line, to troubleshooting filtration rates in the validation lab.
Trends in downstream technologies push us to remain ahead of the curve. Regulatory teams increasingly call for full transparency in impurity profiles, especially those linked to nitrosamines or organohalide residues. We invested in cleanroom packaging and real-time monitoring facilities so every lot meets evolving requirements not only for high purity but also for predictable impurity signatures and secure chain-of-custody documentation.
We see global regulatory landscapes shifting, with more attention on trace impurities and origin traceability. Our operation incorporates in-process analytical controls for halide residuals, metallic traces, and potential formation of genotoxic byproducts. We also mapped our entire feedstock supply chain to lessen the chances of cross-contamination traced to incoming raw materials, a concern that surfaced a few years ago when the industry ramped up scrutiny after several high-profile recalls elsewhere. These controls now come standard because clients expect not just a product but a backstory of reliability and traceability.
Continuous improvement never stops, especially when energy usage and waste outputs factor into production costs. Over several years, we refined our synthesis steps for Alpha-Isopropyl-4-Chlorophenylacetic Acid to limit batch losses and reduce hazardous byproducts. Adoption of phase transfer catalysis and microfiltration gave us a dramatic cut in organic solvent use, lessening environmental burden from the process and lowering the carbon footprint per kilogram produced.
Direct recycling systems now recover greater than 90% of processing solvents. As a result, waste solvent disposal and treatment requirements dropped, while the costs for material handling and regulatory compliance became more predictable and manageable. On-site treatment of mother liquors and intermediate process streams prevented issues of halogenated waste buildup, long a concern among manufacturers—these advances make our plant more resilient to tightening local and international environmental controls.
From the factory floor to the end user, everything impacts outcome—from truck vibrations, to changes in ambient temperature during shipping. It took us repeated pilot runs, often in collaboration with logistics partners, to secure a packaging system that minimizes moisture ingress and mechanical degradation of crystals. That led us to invest in multi-layer moisture barrier packaging and standardized smaller bulk units for sensitive users, especially in fine chemicals and custom synthesis labs where a single off-spec batch can delay multi-million dollar projects.
We also maintain a feedback loop with users after each significant delivery. Reports from the field prompted us to change both labeling and documentation processes, building trust among regulatory, QA, and lab teams. Real-world use led to small but important adjustments—a slightly tighter range for acceptable particle size, enhanced closure systems for reclosability, and improved batch coding to enable trace-back in hours rather than days.
We saw early that customers wanted a product that not only met specs but also came with a clear analytical record. That’s why, on every lot, we provide comprehensive certificates of analysis including complete HPLC, GC-MS impurity scans, residual solvent panels, and elemental analyses as necessary for the downstream application. This practice came out of experience—some years ago, several major recalls in the fine chemicals industry prompted our team to adopt more exhaustive reporting. Our team tackles every deviation in real time; a surprise impurity or shift in assay triggers immediate process review and, if warranted, intervention upstream.
Manufacturing today means accountability: customers, auditors, and regulatory bodies all request trace files, batch histories, and sometimes even live plant audit trails. As manufacturers, we adapted to these expectations by digitizing plant logs and investing in secure batch-trace systems, giving users confidence that the product story matches their regulatory demands. Our goal centers on keeping technical and safety disclosures open and accessible, not buried in jargon or bureaucratic loops.
Over the years, process teams in pharma and agriculture reached out to us with questions far outside standard specification documents. Queries ranged from dissolution rates in various solvents, to behavior under scale-up filtration, to atypical results in byproduct scavenging. Hands-on support became standard, not just a courtesy. Our technical experts field calls and emails daily, working directly with customers to adapt our acid specifications for unique chemistry, whether that means shifting drying parameters, adjusting crystal size fractions, or supplying additional analytical data.
We also assist with scale translation—transferring a bench-scale synthesis up to plant size often introduces unforeseen variables. Through partnerships with customers’ process and analytical chemists, we help resolve sticky points such as phase behavior, unexpected exotherms, or separation issues that might otherwise slow or halt production. We track these problem-solution cycles, and the results internally cycle back into our process improvements.
Three decades ago, the market for specialty phenylacetic acids shifted as both public and proprietary research expanded applications in combination therapies and crop protection. Flexibility in our plant design allowed us to keep pace with these trends, swapping out batch-chemistry models for modular setups capable of both small and large volume orders. Scaling up to pharma-grade production, we realigned customer service to handle both standardized and project-specific demands for Alpha-Isopropyl-4-Chlorophenylacetic Acid.
More recently, regulatory shifts raised the bar for purity and documentation. We sharpened QC standards and retrained lab staff to run newly validated test methods for trace impurities. As both large multi-nationals and smaller innovators requested new supply forms—granules, pre-weighed quantities, solution forms—our production and packaging lines expanded to meet niche requirements without sacrificing the core qualities that stable industrial customers depend on.
We see strong momentum for this intermediate. Expansion in both pharmaceutical and agricultural synthesis continues to fuel global demand. Technical improvements on our end, from reactor automation to digitized real-time monitoring, promise even more consistent batches and shorter lead times.
Customers increasingly value direct partnerships with the source manufacturer. The days of faceless bulk supply or anonymous repackaging are fading, replaced by the expectation of expert dialogue and collaborative troubleshooting. By owning every production step, from sourcing of core raw materials to final packaging and shipment, we ensure the reliability and regulatory confidence every modern project expects.
Quality assurance and direct support make all the difference in specialty chemicals. Our close contact with both global and local regulatory guidelines motivates us to continually adapt. We retain full control over the manufacturing process for Alpha-Isopropyl-4-Chlorophenylacetic Acid, letting us tune each parameter in response to actual user feedback.
Responsiveness became a competitive advantage. Where others struggle with inconsistent deliveries or ambiguous provenance documents, our clients know every batch comes with straightforward documentation and a clear line to technical problem-solving. This mutual trust allows project leads, purchasing managers, and heads of development to focus on innovation with one less worry about critical raw materials.
Alpha-Isopropyl-4-Chlorophenylacetic Acid stocks our warehouse because real-world challenges in pharmaceuticals and agrochemicals demand it. Our processes reflect what daily feedback and field experience taught us—reliability, transparency, technical depth, and environmental foresight all link together. Each delivery aims to be more than a drum of materials; it represents a partnership in successful chemistry.
We take pride in providing more than just bulk supply. Ongoing dialogue with technical teams, adaptation to changing regulatory climates, and continual refinement in process technology all shape a product trusted across global research and industrial spaces. Quality, consistency, and forward-thinking support stem from hands-on experience and open discussion, a combination we value as much as our customers do.