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2-Chloro-5-Nitrocinnamic Acid

    • Product Name 2-Chloro-5-Nitrocinnamic Acid
    • Alias 2-Chloro-5-nitro-3-phenyl-2-propenoic acid
    • Einecs 248-972-7
    • 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
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    Specifications

    HS Code

    193330

    Product Name 2-Chloro-5-Nitrocinnamic Acid
    Cas Number 23437-64-3
    Molecular Formula C9H6ClNO4
    Molecular Weight 227.6 g/mol
    Appearance Yellow to brown crystalline powder
    Melting Point 215-218°C
    Boiling Point Decomposes before boiling
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥98%
    Storage Temperature Store at room temperature, keep container tightly closed
    Synonyms o-Chloro-p-nitrocinnamic acid
    Chemical Structure C6H3(Cl)(NO2)CH=CHCOOH

    As an accredited 2-Chloro-5-Nitrocinnamic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle labeled "2-Chloro-5-Nitrocinnamic Acid, 25g." Features hazard symbols, chemical formula, and batch number for laboratory use.
    Shipping 2-Chloro-5-Nitrocinnamic Acid is shipped in tightly sealed containers to prevent contamination and moisture absorption. It should be handled as a hazardous material, kept away from heat and incompatible substances, and accompanied by appropriate documentation. Ensure all packaging is secure to avoid leaks or spills during transit, following relevant chemical shipping regulations.
    Storage 2-Chloro-5-Nitrocinnamic Acid should be stored in a tightly sealed container, away from direct sunlight, heat, and moisture. Keep it in a cool, dry, and well-ventilated area, separated from incompatible substances such as strong oxidizing agents and bases. Ensure proper labeling and access is limited to trained personnel. Avoid inhalation, ingestion, or skin and eye contact.
    Application of 2-Chloro-5-Nitrocinnamic Acid

    Applications of 2-Chloro-5-Nitrocinnamic Acid in Industrial Manufacturing

    As a specialized manufacturer of 2-Chloro-5-Nitrocinnamic Acid, we serve a tightly focused group of industrial clients who rely on its unique structural properties and reactivity. Our customers integrate this intermediate in highly specific chemical synthesis processes, where it impacts both product quality and regulatory compliance. Explore the following core application arenas where our material directly supports commercial-scale operations and high-value final products.

    1. Pharmaceutical Intermediate Synthesis – Anti-infective API Production

    Large-volume active pharmaceutical ingredient (API) producers use 2-Chloro-5-Nitrocinnamic Acid as a functionalized aromatic intermediate when constructing complex heterocyclic scaffolds, such as nitro-substituted phenyl rings required for several modern anti-infective drugs. Key synthetic steps often rely on its reactivity for coupling or cyclization chemistry under cGMP-regulated conditions, supporting finished APIs aligned with global pharmacopeial specifications.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US Pharmacopeia (USP) / European Pharmacopeia (EP) for finished APIs
    • FDA 21 CFR Part 211, relevant national Drug Master File/listings
    • ISO 9001:2015 certified supplier and traceability requirements

    Typical usage ratio

    • Used at 0.5–2.5 molar equivalents per reaction batch, depending on the target API complexity; ratio determined by specific coupling or cyclization pathway yield optimization

    Downstream process integration

    • Charge 2-Chloro-5-Nitrocinnamic Acid into multipurpose reactors during initial or intermediate aromatic substitution stage; conduct with subsequent hydrogenation/reduction or amidation steps as per process design

    Final product types

    • Anti-infective APIs with nitro-aryl functional groups (e.g., structurally relevant to nitroimidazole, nitroaryl sulfonamide derivatives)
    • Contract synthesized building blocks for advanced clinical trials

    2. Specialty Agrochemical Active Ingredient Development

    Formulators in the specialty agrochemicals sector employ 2-Chloro-5-Nitrocinnamic Acid for constructing advanced herbicidal and fungicidal actives where the nitro-chloro phenyl backbone offers improved selectivity and degradation profiles. The material enters multi-step synthesis routes designed for targeted weed and fungus control agents with custom performance specifications, addressing both efficacy and regulatory residue controls in agricultural markets.

    Industry compliance standards

    • FAO/WHO Specifications and Evaluations for Plant Protection Products (JMPS)
    • OECD Principles of Good Laboratory Practice (GLP) for synthesis verification
    • EU Regulation (EC) No 1107/2009 on plant protection product registration
    • ISO 17025 laboratory validation for agrochemical quality

    Typical usage ratio

    • Incorporation at 1–4% w/w of the starting molecular blend for custom active development, precisely adjusted per target herbicide/fungicide synthetic route and analytical conversion rates

    Downstream process integration

    • Dosed at the aromatic substitution stage, then subjected to chlorination or nitration modifications prior to esterification or amidation for final agrochemical AI formation

    Final product types

    • Herbicidal technical concentrates for cereal and vegetable crop applications
    • Fungicidal actives for integrated pest management
    • Custom intermediates for new generation crop protection R&D

    3. Dye and Pigment Intermediate Manufacturing

    Producers of high-performance dyes and organic pigments draw on 2-Chloro-5-Nitrocinnamic Acid when building functionalized arylic intermediates, especially for synthesizing azo and nitro dyes where robust chromophore formation and fine-tuning of shade are critical. The nitro and chloro substituents make this intermediate valuable in downstream processes aimed at lightfast, heat-stable colorants for demanding applications such as plastics, textiles, and specialty inks.

    Industry compliance standards

    • REACH (EC) No 1907/2006 safety registration for dye intermediates marketed in Europe
    • Ecological and Toxicological Association of Dyes and Organic Pigments Manufacturers (ETAD) guidance
    • OEKO-TEX® Standard 100 for finished textile dye applications
    • ISO 9001/ISO 14001 for consistent pigment quality and environmental stewardship

    Typical usage ratio

    • Introduced at 2–8% molar ratio relative to core diazo or coupling components, varied according to target chromophore structure and desired tinctorial strength in formulation

    Downstream process integration

    • Fed directly into bulk aromatic coupling reactions (diazotization or condensation) in closed systems; participates in further derivatization steps depending on target pigment/dye framework

    Final product types

    • Organic pigments for engineering polymers and masterbatch
    • High-performance printing inks
    • Reactive, disperse, and direct textile dyes

    4. Fine Chemical Intermediate for Advanced Material Synthesis

    Producers in the advanced materials segment adopt 2-Chloro-5-Nitrocinnamic Acid as a building block for specialty monomers, electronic-grade materials, or photoresponsive functional groups, due to its dual-substituent reactivity and aromatic stabilization. Its inclusion enables tailored material functionality required in optical, electronic, or sensor component fabrication, where precise control over chemical structure and downstream polymerization is a technical necessity.

    Industry compliance standards

    • RoHS Directive 2011/65/EU for electronics-related final goods
    • Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) for specialty chemical distribution in Europe
    • Company-specific QC protocols for fine chemical building blocks
    • Industry consortia standards for material identification and traceability (e.g., IPC-1752 for material declarations in electronics)

    Typical usage ratio

    • Used at 0.3–1.5 molecular equivalents as dictated by target advanced material structure and downstream polymer or oligomer yield targets

    Downstream process integration

    • Incorporated at the initial aromatic monomer synthesis phase, then enters further functionalization or copolymerization with other advanced monomers under inert and controlled conditions

    Final product types

    • Photoactive coatings and films
    • Specialty monomers for engineered plastics
    • Organic semiconductor building blocks
    • Optoelectronic device components
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    Certification & Compliance
    More Introduction

    2-Chloro-5-Nitrocinnamic Acid: A Practical Look from the Manufacturer’s Workbench

    True Characteristics and Reliable Quality

    Day after day, our team works hands-on with 2-Chloro-5-Nitrocinnamic Acid. Each batch we synthesize must match the precise requirements demanded by specialty labs and production facilities. This compound shows a pale yellow crystalline form, often drawing attention for its purity and consistency. Unlike broad-market cinnamic derivatives, which tend to fluctuate in physical profile, this material consistently achieves a minimum assay of over 98 percent by HPLC, according to our real batch data collected by our lab staff.

    Purpose-Driven Synthesis and Why It Matters

    Manufacturing 2-Chloro-5-Nitrocinnamic Acid starts by considering its role as a building block for more complex molecules. Chemists who adapt it for pharmaceuticals, specialty coatings, or advanced materials come to us wanting repeatable results. In years of serving research institutes and pilot plants, we have seen how trace impurities, inconsistent particle sizes, or side-product contamination can disrupt reactions. We tackle these issues at the source on our production line, not just through downstream purification. Our steps reinforce reproducibility, making it easier for scientists to scale their projects without second-guessing the raw materials.

    Real-World Usage and Downstream Reactions

    Our end users tell us that 2-Chloro-5-Nitrocinnamic Acid stands out for substitution and condensation reactions—points of entry to complex heterocyclic systems and pharmaceutical intermediates. The chloro and nitro groups, once in place, often influence both reactivity and selectivity, helping to direct the synthesis of fine chemicals where positional selectivity changes the whole project outcome. Over the years, requests for larger volumes—shifting from grams in academic orders to multikilogram packages for industrial R&D—show real growth in its role within synthetic routes for agrochemical actives, specialty pigments, and high-performance materials.

    Differences That Show in the Lab and Plant

    Unlike basic cinnamic acid variants, this product’s electron-withdrawing substituents fine-tune its chemical behavior. The nitro group at the 5-position, paired with the chloro at 2, creates a strongly activated aromatic ring. Our customers often mention how this structure increases yield in certain nucleophilic aromatic substitutions and helps prevent side reactions during cyclizations that require robust starting compounds. In head-to-head syntheses, products with weaker substituents or less predictable reactivity force operators to adjust process parameters each time. With ours, they say reaction conditions stay consistent, making process documentation much more straightforward for both regulatory submissions and internal quality assurance.

    Production Experience and Quality Metrics

    Day in and day out, the technical crew in our plant monitors every production lot using in-lab HPLC, NMR, melting point checks, and Karl Fischer titrations for trace moisture. This kind of hands-on experience comes from years of refining reaction steps to minimize dimerization, isomeric byproducts, or unreacted starting materials. By maintaining batch stability and physical homogeneity, we help chemists avoid last-minute surprises that can halt a project in its tracks. Our practice emphasizes not just making the product, but making it in a way that supports scale-up without sudden changes in quality profiles.

    Traceability, Transparency, and Real Batch Data

    What sets our approach apart? Regular open-door collaborations with our downstream users have shaped much of our current QC process. Each consignment comes with the results of our own in-house checklists—melting point (about 230 °C for fresh batches), color by standard visual grading, and chromatographic fingerprinting. We keep archived samples for reference, enabling customers to compare present shipments with material from prior projects. This transparency saves weeks that could be lost troubleshooting if a different supplier’s material derails a key experiment. Traceability is not a buzzword for us—it is a daily discipline rooted in experience, valued by many of the analytical chemists and project managers who rely on us.

    Practical Issues in Handling and Storage

    With thousands of kilograms produced annually, we pay close attention to material handling and shelf-life. Due to the presence of both chloro and nitro substituents, the product holds up well against minor atmospheric changes in temperature and humidity, compared to more hygroscopic or air-sensitive compounds. Our storage protocols benefit from on-site climate-control systems. Customers have noted that this has reduced clumping, caking, and loss of powder flow over both short and long-term storage in their own warehouses. In practice, this means less material waste and fewer interrupted processes on the customer’s end.

    Supporting Problem-Solving in the Supply Chain

    Supply chains remain unpredictable, especially for specialty aromatic acids tailored to tight synthesis runs. Lead times can stretch, and consistency becomes even more important. Regular direct communication with customers alerts us to emerging needs before they threaten project timelines. One customer, developing a series of novel fluorinated pyridines, described how switching from a generic intermediate to our 2-Chloro-5-Nitrocinnamic Acid shortened their overall campaign by 10 days because of batch reproducibility and less re-optimization needed for their coupling steps. Feedback like this shows the concrete value of working directly with a manufacturer who understands the experience on the ground level.

    Why Direct Manufacturing Delivers Different Results

    Some buyers try to bridge sourcing gaps with off-the-shelf brokers or bulk wholesalers. In our field, this strategy backfires more often than not. One research team recounted a string of failed reactions traced to unknown contaminants in knockoff batches—problems that vanished upon switching to our in-house product. We control every stage, from fine-tuning raw material selection to post-reaction purification, and our managers spend nontrivial time reviewing lot histories with clients once their projects move from lab to pilot scale. The trust built through direct technical discussion has solved practical problems more effectively than arms-length transactions ever could.

    Environmental Responsibility in Real Practice

    Processing aromatic acids and related compounds often raises environmental questions. Our facility has moved steadily toward greener processes—recycling solvents onsite, optimizing reaction temperatures to reduce byproduct formation, and continually updating effluent management. Early on, batches of 2-Chloro-5-Nitrocinnamic Acid generated more waste than we found acceptable. After various improvements, we saw solvent consumption drop by almost 30 percent per unit of product. These stepwise advances keep our footprint lower, and our downstream partners can rest easier knowing their own processes start with a cleaner input.

    Addressing Analytical and Purity Challenges

    Trace impurities can cripple sensitive reactions. We track our impurity profiles against real-time NMR and LC data, logging even low-level trace byproducts. Customers conducting chiral resolution or who work with photolabile substrates often note that “standard” materials from traders inhibit full conversion or introduce new side peaks. Our focused synthesis enables us to address these failures through troubleshooting with the chemists consuming our products. The conversation never stops at an MSDS—we pull up our own lab data and sit together, finding the source and thinking practically about process tweaks, batch selection, or alternate shipments.

    Adapting Volumes, Formats, and Shipment for Diverse Projects

    Different users demand different presentation depending on their workflows. Early-stage medicinal chemists may prefer smaller bottles with argon-sealed closures for maximum shelf-life, while plant-scale users request custom-packed fiber drums or lined polyethylene bags for easier pouring and weighing. We have learned from shipment misadventures: instances of poorly packed material crushing during international airfreight or temperature swings during long-distance land transport. Adjusting packaging specification and shipping conditions according to real case study feedback leads to improved arrivals, less loss on the customer side, and better material tracking for everyone involved.

    Process Efficiency and Industrial Scale

    Scaling up from pilot to commercial runs brings fresh hurdles. As production quantities rise, minute differences in crystallization, solvent removal, or drying can add up. By keeping in close step with our process engineers, we apply real batch feedback, making formula tweaks when lots skew slightly off-color or show melting point shifts. The extra care taken on a 500-gram run is not abandoned when the order climbs to hundreds of kilograms. Doing this at scale, our site operators have prevented bottlenecks and customer rejections during tech transfer, which is where many suppliers stumble.

    Ongoing Feedback: The Heartbeat of Better Performance

    Real improvements come from what customers see at their benches and plants, not only from our own QC at the factory. Our technical team reviews outcomes with users: what worked, what didn’t, and exactly where in the handling chain snags appeared. Trends emerge, such as a seasonal tendency for static buildup in extra-dry winter air or needs for increased sieving upon request from a tablet producer. By closing the loop between lab output and end-use, our product line adapts in practical increments rather than as a theoretical exercise.

    Comparison with Alternative Compounds: End-User Wisdom

    For applications where precise electron density and functionalization patterns matter, chemists tell us that unsubstituted cinnamic acids or variants with only a single nitro or chloro group fail to deliver key performance parameters. This is especially true in the latest photonics and optoelectronic applications, where uniform charge distribution affects final device efficiency. Our in-house studies, repeated in tandem with customer trials, reveal that these differences aren’t just academic—they change yields, purity, and sometimes the very success of a downstream synthesis. Regular updates back from active users reveal shifts in how the market applies this product, which then guides the next round of quality adjustments on the factory floor.

    Reducing Worry About Regulatory Acceptance

    Plenty of manufacturers run up against regulatory delays because of ambiguous documentation or inconsistent batch labeling. Our long-haul shipments depart with unified batch numbers, production dates, and detailed analytical results. Not long ago, a major pharmaceutical partner told us our track record with compliance and batch consistency helped speed their own regulatory review. Stable sourcing from a single manufacturing line, combined with real paperwork and third-party analytics when needed, supports customers who face their own mountains of documentation each week.

    Continuous Improvement Alongside Scientific Progress

    What counts is responsiveness to shifting process needs. Good manufacturing means you do not stand still. As new reaction applications emerge—such as recent uses in energy storage polymers or next-generation OLED precursors—we consult directly with those on the research edge. Our R&D team meets with customer scientists to understand changing reactivity, solubility, or purity requirements and then adjusts the synthesis, purification, or packaging to suit. Keeping practical scientist-to-scientist dialogue alive gives clients confidence that their needs shape our daily decisions.

    Understanding Real-World Constraints

    Much of the world’s production of specialty organics faces roadblocks, from regulatory shifts to sudden supply interruptions. With 2-Chloro-5-Nitrocinnamic Acid, users demand stable sourcing and deviation-free supplies, especially when mid-project changes would risk months of lost time. We have seen customers forced to run parallel qualification studies when switching suppliers. By communicating openly and showing real quality documentation upfront, we reduce the workload and help anchor their planning. Recognizing these constraints in a manufacturer’s daily operations feeds back into every system upgrade or logistic change we implement.

    Summary: What Decades in the Field Have Taught Us

    Long experience producing 2-Chloro-5-Nitrocinnamic Acid has shaped everything from our batch QC routines to our factory layout and storage logistics. Our team believes in serving both innovation and reliability, helping synthetic chemists, engineers, and plant operators move their projects forward with the right materials in every box and drum that ships out. The expertise gained through direct troubleshooting, customer visits to our plant, and laboratories testing our samples alongside alternatives provides us lessons that no textbook or third-party summary can offer. We listen, adapt, and keep improving—not for certificates on the wall, but so real-world chemical development stays on track. That’s the promise and practice behind every lot of 2-Chloro-5-Nitrocinnamic Acid that leaves the manufacturer’s warehouse.