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Methyl 4-Amino-2-Chlorobenzoate

    • Product Name Methyl 4-Amino-2-Chlorobenzoate
    • Alias Methyl 4-amino-2-chlorobenzoate
    • Einecs 210-440-2
    • 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

    240110

    Productname Methyl 4-Amino-2-Chlorobenzoate
    Molecularformula C8H8ClNO2
    Molecularweight 185.61 g/mol
    Casnumber 28443-50-7
    Appearance Light yellow to brown crystalline powder
    Meltingpoint 111-115°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥97%
    Smiles COC(=O)C1=CC(=C(C=C1)N)Cl
    Inchi InChI=1S/C8H8ClNO2/c1-12-8(11)5-2-3-7(10)6(9)4-5/h2-4H,10H2,1H3
    Storagetemperature Store at 2-8°C
    Hazardclass Irritant

    As an accredited Methyl 4-Amino-2-Chlorobenzoate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 25g amber glass bottle with a tight-sealed cap, featuring hazard labels and a printed label: "Methyl 4-Amino-2-Chlorobenzoate."
    Shipping Methyl 4-Amino-2-Chlorobenzoate is shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. It is packaged according to hazardous chemical regulations, with appropriate labeling. During transit, temperature and handling conditions are controlled to prevent degradation or spillage. Shipping complies with all relevant safety and transportation guidelines.
    Storage Methyl 4-Amino-2-Chlorobenzoate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents. Protect it from moisture, direct sunlight, and sources of ignition. Ensure the storage area is clearly labeled and accessible only to trained personnel. Follow all relevant safety and regulatory guidelines for chemical storage.
    Application of Methyl 4-Amino-2-Chlorobenzoate

    Applications of Methyl 4-Amino-2-Chlorobenzoate in Industrial Manufacturing

    As an experienced chemical raw material manufacturer, we supply Methyl 4-Amino-2-Chlorobenzoate for a range of specialized industrial applications. Our material is integrated into downstream production processes by leading companies in pharmaceutical, agrochemical, and specialty chemical industries. Each of the following application scenarios represents a genuine industrial route where this intermediate plays a role in delivering value-added final products.

    1. Pharmaceutical API Intermediate for Local Anesthetic Synthesis

    In the pharmaceutical sector, downstream producers utilize this intermediate during the multi-step synthesis of local anesthetics such as Procaine and its derivatives. The molecule's unique substitution pattern enables further functional group transformations required for achieving active APIs. Large-scale facilities rely on precise formulation parameters and strict quality monitoring to achieve consistent purity and yield in the final pharmaceutical compounds.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Chinese Pharmacopoeia (ChP)
    • United States Pharmacopeia (USP) General Chapters for API synthesis
    • EDQM CEP (if for export to EU markets)

    Typical usage ratio

    • 0.8–1.2 molar equivalents as a starting intermediate, depending on synthesis route
    • Exact mass adjustment based on target API batch size and route-specific yields

    Downstream process integration

    • Charged during the condensation or amide formation stage in the API synthesis process
    • Undergoes further reaction to introduce ester or amine groups relevant to anesthetic pharmacophore
    • Controlled in-process QC for residual reagents and side product profiles

    Final product types

    • Procaine bulk API
    • Procaine hydrochloride injectable grade
    • Other para-amino benzoic acid derivative anesthetics

    2. Intermediate for Agrochemical Herbicide Synthesis

    Large agrochemical manufacturers use this compound in the synthesis of selective herbicide actives. The specific amino and chloro substituents facilitate key coupling and cyclization steps central to forming effective crop protection agents. Rigorous monitoring of process purity and compliance with international agrochemical standards is necessary to enter regulated export markets.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • China ICAMA (Institute for the Control of Agrochemicals, Ministry of Agriculture) registration guidelines
    • REACH Regulation (EC 1907/2006) for European Union markets

    Typical usage ratio

    • 5–10% w/w of active intermediate in herbicide technical concentrate batch
    • Proportions adjusted according to specific target compound and crop safety margin requirements

    Downstream process integration

    • Introduced during early-stage condensation to provide the aromatic core for final herbicide structure
    • Participates in diazotization, coupling, or chlorination steps based on formulation
    • Lot-controlled for trace impurity profiles regulated by crop residue limits

    Final product types

    • Aromatic amine-based herbicide technicals
    • Emulsifiable concentrates (ECs) for field spraying
    • Water-dispersible granules (WDGs) for large-scale agricultural distribution

    3. Building Block in Dyes & Pigments Manufacture

    Producers in the specialty colorants sector employ this material as an aromatic amino precursor for synthesizing advanced azo and anthraquinone dyes. Its functionality supports strict molecular orientation required for targeting vivid, stable color shades. Batch reproducibility and compliance with environmental and safety standards are essential at every stage of production from diazotization onward.

    Industry compliance standards

    • OEKO-TEX Standard 100 (human-ecological product safety)
    • EU Regulation (EC) No 1907/2006 (REACH) on azo colorants and SVHC
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List) guidelines for textile dyes

    Typical usage ratio

    • 2–6% of aromatic amine components in dye formulation (by total mass of initial monomers)
    • Adjusted to tune final dye shade intensity and fastness properties

    Downstream process integration

    • Feeds directly into diazotization or coupling reaction stages for dye molecule assembly
    • Undergoes purification and isolation prior to final blending and product standardization
    • Strict in-process monitoring for banned amine content and color strength

    Final product types

    • Azo and anthraquinone-based textile dyes
    • Specialty pigments for printing inks
    • High-durability coloration agents for plastics and coatings

    4. Key Intermediate in Synthesis of Photographic Chemicals

    Manufacturers of specialty photographic chemicals use this aromatic ester to produce developing agents and color couplers required in film, paper, and photographic processing solutions. The controlled reactivity of the amino and chloro functionalities enables selective modification steps necessary for achieving consistent performance in light-sensitive product formulations.

    Industry compliance standards

    • ISO 18917:2000 Imaging materials — Processing chemicals
    • RoHS Directive 2011/65/EU for hazardous substance content
    • Proprietary photographic industry QC protocols for batch-to-batch consistency

    Typical usage ratio

    • Usually 0.5–3% by weight of the total coupler or developer solution intermediate load
    • The ratio varies depending on type (color vs. black-and-white) and processing speed requirements

    Downstream process integration

    • Added during synthesis of photographic color couplers or developer agents
    • Involved in esterification, substitution, and purification steps
    • Batched under inert atmospheres and controlled temperature to ensure product stability

    Final product types

    • Color couplers for photographic film and paper
    • Developing agents for analog imaging solutions
    • Light-sensitive emulsions and finished photo coatings

    5. Intermediate for Specialty Chemical Synthesis in Polymer Additive Production

    Companies in advanced materials and polymer additive manufacturing utilize this chemical as a reactive intermediate, especially in creating custom aromatic building blocks for stabilizers and UV absorbers. This application involves tightly controlled scale-up operations, where the specific aromatic substitutions of the molecule contribute directly to the tailored performance of high-value polymer formulations.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems for specialty chemicals manufacturing
    • GHS (Globally Harmonized System) for classification and labeling
    • American Chemistry Council’s Responsible Care® Management System

    Typical usage ratio

    • 0.2–1.0 phr (parts per hundred resin) as part of additive formulation for high-performance polymers
    • Adjusted based on the required degree of UV stability or antioxidant function in end-use resins

    Downstream process integration

    • Charged during the synthesis of custom polymer stabilizers or absorbers
    • Reacts at the intermediate formation step, followed by blending and final compounding with base polymers
    • Monitored for trace unreacted aromatic amines before product integration

    Final product types

    • UV absorbers and photostabilizers for polyolefins and engineering plastics
    • Antioxidant agents for specialty resin grades
    • Performance additives for automotive and construction polymers
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    Certification & Compliance
    More Introduction

    Methyl 4-Amino-2-Chlorobenzoate: Direct from the Manufacturer

    Stepping Into the World of Methyl 4-Amino-2-Chlorobenzoate

    Years spent on the plant floor have shown us how each molecule tells a story of its own, and Methyl 4-Amino-2-Chlorobenzoate delivers one of the most striking performances in the collection of chlorinated aromatic esters. Synthesizing this compound takes patience, an eye for process chemistry, and meticulous attention to quality—not simply to hit purity numbers, but to deliver reliable, consistent building blocks for our customers in different industries. In our facility, nothing leaves the warehouse unexamined; we know the significance of supplying material that meets tight manufacturing standards, especially for customers in pharmaceutical research, advanced materials, and specialty intermediates.

    Understanding What Sets It Apart

    The chemical structure of Methyl 4-Amino-2-Chlorobenzoate gives it an edge that blends reactivity and stability. The amino and chloro groups open the door to plenty of coupling or substitution routes, making this molecule a preferred choice among process chemists looking for flexibility. Across our production lines, staff understands how small shifts in conditions can alter outcome and downstream utility. We keep moisture and trace impurities in check because our clients regularly chase downstream transformations that falter unless they get starting material they can trust. Minimal contamination and predictable handling properties matter to everyone from R&D benches to finished drug manufacturing.

    Key Specifications Matter

    We manufacture Methyl 4-Amino-2-Chlorobenzoate under conditions developed in-house. Observing the needs of real applications led us to routinely produce material in the purity ranges above 99%, with NMR and HPLC checks at every batch. Whether a sample passes or not isn’t just a point on a checklist—it dictates whether someone else’s workday will run smoothly or stall for reasons out of their control. Each bag or drum that we dispatch can be traced by batch, with data on moisture, particle size, and residual solvents available. Many of our partners cite slow dissolving intermediates as bottlenecks, so we dial in both crystalline and fine powder forms, each checked for flow and solubility before we ship.

    Usage Insights: More Than Just a Reagent

    Researchers gravitate toward Methyl 4-Amino-2-Chlorobenzoate when they need a shortcut to functionalized benzoic acids or esters, particularly in synthesis of pharmaceutical key intermediates. The molecule’s reactivity suits acylation and coupling steps, especially when high selectivity is required and byproduct formation needs to be low to save time on purification. Beyond pharma, customers come from the agrochemical and pigment sectors, relying on exacting chemical routes where inconsistent batches have a real cost: both material and time are expensive to waste, and having a dependable manufacturer saves headaches further along the pipeline.

    Process Realities and Production Approach

    People working at benchtop scales can adapt on the fly, but at industrial levels, delivering Methyl 4-Amino-2-Chlorobenzoate that meets narrow specification bands takes more than lab know-how. Our reactors, filters, and driers see hundreds of kilos move through every month, each batch monitored for thermal and temporal parameters so that the reaction proceeds to the desired endpoint. Watchful technicians keep an eye on color and clarity at every stage, not just the endpoint—the human touch making all the difference between an acceptable batch and a returned one. We’ve also learned to stay nimble with requests: some customers need lot-specific documentation, and some need the extra guarantee of lower trace metals, so our QC team keeps the equipment and protocols ready for verification.

    The Role of Methyl 4-Amino-2-Chlorobenzoate in the Pharmaceutical Sector

    In drug discovery and production, Methyl 4-Amino-2-Chlorobenzoate charts its own path compared to more basic methylated benzoates or simple substituted anilines. The dual substitution pattern leads to selective reactivity, making it particularly attractive for forming heterocycles or building up more elaborate active ingredients. Over the years we've worked with research chemists who rely on reliable delivery every quarter for time-sensitive projects. Meeting repeat orders with unchanged profiles builds trust, and we understand that even minor batch-to-batch drift can alter an entire synthetic plan, especially when moving toward GMP-grade outputs. We keep paperwork and certificates transparent so clients know what to expect every time.

    Agricultural and Specialty Applications: Insights From the Field

    Beyond pharmaceuticals, certain agricultural partners rely on this compound as an intermediate in the formation of advanced pesticides and herbicides. Their labs tend to handle higher throughput, so speed and stock reliability take on different meanings. We allocate production capacity accordingly, shaping campaign schedules to allow for bulk orders without compromising on documentation or lot tracking. The lessons learned from serving these sectors feed improvements throughout our process, such as streamlining reactor turnaround and ensuring storage areas stay compliant with the ever-changing requirements for downstream crop protection products.

    Distinctions Among Other Substituted Benzoates

    Methyl 4-Amino-2-Chlorobenzoate sets itself apart from similar compounds like methyl 2-chlorobenzoate, methyl 4-aminobenzoate, or 4-amino-2-methylbenzoate by offering unique cross-reactivity. In practical synthesis, the presence of both electron-withdrawing and donating groups lets chemists selectively modify the ring without running into side reactions that often derail more simply substituted esters. This also translates to greater flexibility when designing synthetic routes for diverse end products—from bright dyes to niche pharmaceuticals. Other materials may seem similar in glass vials, but we have seen adoption rates increase when the specific reactivity of this compound simplifies previously lengthy synthetic trees, saving both reagents and precious time.

    Batch Accountability and Traceability

    Every drum that leaves our plant carries not just grams or kilos of product, but also the reputation earned through rigorous checks. Our regular customers point out that many secondary sources skip the granular batch documentation required when issues surface further downstream. In contrast, we keep raw material sources, reactor conditions, and QC notes logged for quick trace-back. This attention becomes critical when end customers in regulated industries—especially pharmaceutical and agrochemical companies—conduct their own audits or regulatory reviews. Our staff keeps these records accessible, ready to answer queries even months after delivery.

    Quality: An Ongoing Commitment, Not a Slogan

    We don’t see quality as a box to tick, but as an ongoing dialogue with our customers and our own teams. Labs and plants alike bring new requests every month, from special packaging to different crystalline forms. In response, we run revalidation batches or adapt protocols, chasing that balance of speed and rigor. For moisture-sensitive users, extra checks during packing and shipping cut down on surprise variability. Over the years, chasing true root causes for the rare out-of-spec batch has exposed tiny process-breaking details—from filter swapping schedules to dryer calibration. Our flexibility and transparency foster a relationship where feedback becomes the engine for process improvement, not a point of friction.

    Packaging Lessons Learned Over Decades

    Once we started exporting beyond local borders, we quickly learned that packaging isn’t just about sealing away powder. From condensation build-up in shipping containers to the challenges of stacking fiber drums, every detail counts for preservation. Many requests for bulk packaging stem from large synthesis campaigns, and every kilo that arrives clumped or with foreign particles reflects back on our process, not just our product. We select liners and drum types based on destination, storage climate, and local regulations, drawing on lessons learned after shipments crossed customs slower than needed or arrived in less than perfect form. It keeps us vigilant, knowing that a small oversight downstream triggers much larger logistical headaches for our customers.

    Supporting Changing Regulatory and Documentation Demands

    The tide of regulatory oversight rises year by year, and our team keeps a careful watch on documentation requirements—in everything from shipping manifests to product-specific material safety reports. We invest in this not just because compliance makes export easier, but because customer trust grows with clarity. Batch certification, purity data, and retention samples stay filed, ready to support partner audits or technical trouble-shooting. Our philosophy has always favored full disclosure of analytical data, so there’s never a guessing game regarding what’s inside any given batch.

    Environmental Responsibility and Production Footprint

    Manufacturing aromatic esters like Methyl 4-Amino-2-Chlorobenzoate means facing up to environmental expectations—not just regulatory necessities but ethical imperatives. Our site uses closed-loop filtration and solvent recovery. Over time, we improved yields at the source, and shifted toward greener solvents and minimized solid waste. Emissions get checked, tracked, and reported as part of our ongoing responsibility. Taking action on the shop floor, not just in annual reports, has had the greatest impact: workers themselves point out new places to capture efficiency or reduce resource use, feeding into both lower costs and a cleaner process.

    Facing the Inevitable Hurdles

    No manufacturing journey stays free from bumps in the road. Volatility in the global market for starting materials sometimes stirs up pricing or availability headaches. When this happens, open lines of communication with our partners bring solutions. We invest in alternative supply routes and keep lean but security-focused inventories to avoid production interruptions. Our technical team stands ready to tweak processing schedules, adjust for seasonal variations, and keep close tabs on shipping changes that affect what reaches the customer’s door and when. Years in the business have taught us that agility partners best with transparency, especially when demand swings unexpectedly or shipping logistics tighten.

    Innovation and Process Development

    In the chemical industry, standing still amounts to falling behind. Our engineers operate in parallel to production, working to refine each synthesis for better yield, lower energy consumption, and less waste. Collaborations with local universities and regular customer feedback shape our research priorities, pushing us to optimize steps that once seemed set in stone. Every modification—whether a new catalyst, improved solvent system, or tighter purification protocol—passes through scale-up trials, checked against both quality and practical manufacturing timelines. This willingness to revisit old processes for improvement grounds us, letting us deliver product innovation without trading away reliability.

    Adapting Through Experience

    Each day in the plant reminds us that manual skill and knowledge remain as vital as any automated protocol. Machine-driven analytics help catch deviations, but the early warning often comes from a shift operator noting a color difference or the way a slurry settles. Our process improvement initiatives blend both the best from modern monitoring and the intuition that only develops after years at the bench or on the line. Even after thousands of kilos produced and shipped, the learning doesn’t stop. We encourage all staff to share anomalies, successes, and lessons when they arise, knowing this candid culture gives us a sharper edge than black-and-white SOPs ever could.

    Customer Collaboration Drives Progress

    Serving customers working on innovative molecules sometimes brings requests that the textbook synthesis doesn’t directly address. We field custom synthesis requests all the time, from small tweaks for unusual solubility profiles to modifications in particulate size meant for automated dosing equipment. Our technical team works shoulder-to-shoulder with customer chemists, proposing alternatives and running small validation runs before committing large-scale resources. From troubleshooting solubility issues to assisting with final purification, our involvement doesn’t end after the first kilo ships out. This ongoing collaboration nurtures mutual progress, both sharpening our production capabilities and helping customers reach their own project milestones on schedule.

    Looking Ahead: Challenges and Opportunities

    We know the landscape is shifting—greener chemistries, tighter supply chains, and new demands from emerging sectors. Staying competitive means never growing complacent. Our ongoing investment in pilot facilities allows us to adjust capacity and trial innovations before rolling them out to our main lines. Regular dialogue with long-term partners provides early warning about changing end-user requirements, from purity upgrades to documentation changes. We stay poised to pivot, knowing that the ability to deliver consistency while responding to requests for customization will make the difference in an increasingly connected marketplace.

    Final Thoughts from the Manufacturing Floor

    Producing Methyl 4-Amino-2-Chlorobenzoate asks for more than the sum of raw materials and process steps. Years of attention, ongoing refinement, and a commitment to meeting real-world needs drive each batch that leaves our facility. Any quality record or tracking sheet we produce reflects not just compliance but the accumulated know-how of our team. We value long-term partnerships over short-term transactions and approach each challenge as a chance to refine both our product and process. As end-markets shift, regulations tighten, and science advances, we keep our skill sharp and our doors open—to new ideas, new methods, and new collaborations.