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2-Amino-5-Nitrobenzoic Acid

    • Product Name 2-Amino-5-Nitrobenzoic Acid
    • Alias 5-Nitroanthranilic acid
    • Einecs 219-080-9
    • 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

    432109

    Cas Number 121-25-1
    Molecular Formula C7H6N2O4
    Molecular Weight 182.14 g/mol
    Iupac Name 2-amino-5-nitrobenzoic acid
    Appearance Yellow to brown solid
    Melting Point 219-222 °C
    Solubility In Water Slightly soluble
    Boiling Point Decomposes before boiling
    Density 1.6 g/cm³ (approximate)
    Pubchem Cid 10110
    Smiles C1=CC(=C(C=C1N)[N+](=O)[O-])C(=O)O
    Inchi InChI=1S/C7H6N2O4/c8-5-2-1-4(7(10)11)3-6(5)9(12)13/h1-3H,8H2,(H,10,11)

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

    Packing & Storage
    Packing The 100g bottle of 2-Amino-5-Nitrobenzoic Acid is packed in a sealed, amber glass container with clear safety labeling.
    Shipping **Shipping Description for 2-Amino-5-Nitrobenzoic Acid:** This chemical should be shipped in tightly sealed, clearly labeled containers, protected from moisture and incompatible substances. Transport in accordance with applicable local, national, and international regulations for hazardous materials. Handle with care to avoid contamination or spillage. Use secondary containment and appropriate hazard labeling during transit.
    Storage 2-Amino-5-nitrobenzoic acid should be stored in a tightly sealed container, away from moisture, heat, and direct sunlight. Keep it in a cool, dry, and well-ventilated area, separate from incompatible substances such as strong oxidizers and bases. Properly label the container and handle with care, using appropriate personal protective equipment to prevent skin and eye contact.
    Application of 2-Amino-5-Nitrobenzoic Acid

    Applications of 2-Amino-5-Nitrobenzoic Acid in Industrial Manufacturing

    2-Amino-5-Nitrobenzoic Acid serves as a specialized intermediate in multiple high-value industrial fields. As a direct manufacturer, we see our clients in pharmaceuticals, dyes, imaging, and advanced material segments apply this material under well-defined technical standards and process requirements. Below, we detail core downstream integration scenarios reflecting real manufacturing applications.

    1. Pharmaceutical Intermediate for Active Pharmaceutical Ingredients (APIs)

    Pharmaceutical producers rely on this compound as a building block for syntheses of antimicrobials and anti-inflammatory agents, particularly in the benzoic acid derivative class. In these settings, precise analytical controls regulate its introduction at early or mid-stage reaction steps for producing high-purity intermediates that feed into regulated drug synthesis lines. Downstream API plants manage tight control of solvent systems and reaction temperatures when incorporating this material, which ultimately undergoes additional conversions and purifications to meet finished API specifications. Its integration supports synthesis routes aiming for consistent impurity profiles and reaction yields that align with global regulatory filings.

    Industry compliance standards

    • ICH Q7 GMP (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • European Pharmacopoeia (Ph. Eur.) raw material specifications
    • 21 CFR Part 210/211 US FDA cGMP requirements
    • China Pharmacopoeia (ChP) quality benchmarks for intermediates

    Typical usage ratio

    • 0.05 to 0.25 molar equivalents relative to core substrate—adjusted based on declared synthesis route and targeted batch output

    Downstream process integration

    • Added at first or second step in multi-stage synthesis prior to main ring modification reactions
    • Undergoes controlled reduction, amination, or acylation, supporting subsequent condensation or cyclization steps
    • Feeds directly into API plant reactors equipped for hazardous material containment

    Final product types

    • Nitrobenzoic acid-derived APIs (e.g., certain antimicrobials, anti-inflammatories)
    • Purified pharmaceutical intermediates
    • Regulated drug master file ingredients for export

    2. Synthesis of Specialty Dyes and Pigments

    Producers of technical dyes utilize this acid as a strategic nitro and amino group supplier for coupling, diazotization, and sulfonation reactions that define color performance for textile and plastic applications. Its controlled reactivity ensures consistent chromophore generation and facilitates downstream modifications, delivering reproducible color characteristics required by OEM textile, paper, and polymer processors. Direct input into azo dye synthesis, for example, mandates high purity on trace metal and insoluble content levels to avoid end-use defects. End users incorporate pigments with engineered thermal, chemical, and photostability, often backed by bespoke QC alignments with the raw acid supplier.

    Industry compliance standards

    • OEKO-TEX® Standard 100 (raw material compliance for textile applications)
    • EU REACH Registration for aromatic amines and nitro compounds
    • ISO 9001:2015 process quality management
    • ZDHC MRSL version 3.1 (Zero Discharge of Hazardous Chemicals—dye manufacturing requirements for supply chain transparency)

    Typical usage ratio

    • 10–25% of total feedstock depending on final color strength and pigment mass output

    Downstream process integration

    • Introduced during diazotization or direct coupling step with downstream amines or phenols
    • Often dissolved in alkaline aqueous systems prior to neutralization and post-treatment steps
    • Supports wet cake formation or pigmentary salt precipitation, before filtration and drying

    Final product types

    • Mono and disazo dyes for polyester and nylon
    • Plastic colorants for masterbatch applications
    • Direct and acid dyes for paper and leather processing
    • Technical pigment dispersions for inks and coatings

    3. Raw Material for Imaging and Photoresist Chemicals

    Manufacturers of imaging chemicals integrate this acid as a precursor for synthesizing light-sensitive agents, particularly in the production of photoresist formulations used in semiconductor and PCB manufacture. The ortho-substitution pattern provides unique electron density characteristics vital to controlled polymerization and cross-linking reactions during UV-induced patterning. User facilities rigorously purify and derivatize the raw material before blending into custom photoactive resin mixes, ensuring compatibility with thin film process requirements and ultra-trace metal limits. This step is tightly measured, given the criticality of defect-free imaging chemistries for high-yield device fabrication.

    Industry compliance standards

    • SEMI C1.2 Quality Guidelines for Photoresist Raw Materials
    • ISO 14644-1 Cleanroom Standard for electronic chemical processing
    • RoHS Directive (2011/65/EU) for hazardous substances in electronics
    • JIS K 5600-1-7 Japanese test standard for photochemical reactivity

    Typical usage ratio

    • 1–8% of total resin blend based on target sensitivity and photoactive function

    Downstream process integration

    • Functionalized by nitration or diazotization, converted to tailored photoactive esters or salts
    • Dispersed into photoresist polymer bases for spin-coating applications
    • Directly enters resin compounding or monomerization reactor lines for subsequent coating production

    Final product types

    • Positive/negative photoresists for microelectronics
    • Light-sensitive imaging agents for PCB manufacturing
    • Photosensitized resins for optical device production

    4. Intermediate for Agricultural Chemical Synthesis

    Agrochemical formulators use 2-Amino-5-Nitrobenzoic Acid in the synthesis of select benzoic acid herbicide intermediates. It provides a reactive scaffold for stepwise functionalization, including halogenation or carbamoylation, supporting proprietary synthetic routes for active ingredients. Technical grade batches meet strict impurity and moisture content limits to support stable storage and predictable field effectiveness. Downstream process engineers often adapt solvent and temperature conditions depending on the required transformation at each plant.

    Industry compliance standards

    • FAO/WHO Technical Specifications (ISO/TC81)
    • China GB 2763 pesticide residue standards (for relevant actives)
    • EPA 40 CFR Part 170: Worker Protection Standard (for agricultural chemicals)
    • REACH Annex XVII for pesticide ingredient registration

    Typical usage ratio

    • 0.15–0.4 molar ratio in comparison to main active precursor—adjustable per downstream product profile

    Downstream process integration

    • First introduced in controlled batch reactors for acid halide or ester formation steps
    • Enters as key substrate in functional group installation (e.g., for carboxyl or nitro group retention)
    • Feeds into crystallization and granulation units for stabilizing intermediates

    Final product types

    • Intermediate compounds for selective benzoic acid herbicides
    • Precursor chemicals for fungicide synthesis
    • Stabilized additives for agrochemical technical concentrates
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    Certification & Compliance
    More Introduction

    Introducing 2-Amino-5-Nitrobenzoic Acid from a Manufacturer's Perspective

    2-Amino-5-nitrobenzoic acid occupies a sturdy position in our product portfolio. As a chemical manufacturer handling large-scale and specialty synthesis, we realize the real-world complexities our partners face when sourcing critical intermediates. Every batch of 2-amino-5-nitrobenzoic acid we produce comes out of the hands-on experience gained by years on the production floor, overcoming the kinds of manufacturing snags that don’t appear in textbooks.

    Product Model and Core Specifications

    Looking closely at 2-amino-5-nitrobenzoic acid, what often matters most to the chemist or process engineer goes far beyond a simple CAS number. In our facility, each produced lot aligns with a strict crystalline profile. Purity on the HPLC chart regularly scans above 99%, a level we reach with careful temperature and pH controls through each stage of our proprietary synthesis. Moisture content and residual solvents receive as much scrutiny as the initial yield. By investing in consistent, dedicated equipment, we avoid unwanted cross-contamination, and keep heavy metals and other trace impurities to levels well below ICH Q3D recommendations – a reassurance for teams running sensitive downstream chemistry or APIs.

    Color alone matters if you’re running further functionalization. Even a faintly off-white powder can indicate excess by-products or incomplete reactions. Our batches consistently show a pale yellow crystalline powder, confirmed by multiple UV-Vis scans, and we’re quick to adjust any step the moment in-process controls present variance. Packaging options support laboratory, kilo-lab, or industrial throughput without letting bulk packaging degrade the compound’s quality from warehouse to bench.

    Manufacturing Approach and Unique Benefits

    Unlike contract blenders or importers, we handle 2-amino-5-nitrobenzoic acid from reaction vessel to packing line. This full manufacturing control leads to a few less obvious but essential benefits for our long-term customers. We run each reaction in glass-lined reactors to control the nitro-group introduction – a step prone to runaway heat and hazardous side reactions if handled at the wrong scale or in under-equipped vessels. We’ve had to troubleshoot pressure buildups, incomplete nitration, and issues with acid hydrolysis during scale-up. Our technicians know what happens when even a single feed ratio is off by a tenth of a percent or when cooling rates drift at high throughput. This kind of hands-on experience means surprises are few by the time the product enters a customer’s hands.
    A typical lot will feature a specification for melting point, IR, and NMR traces, not simply because paperwork requires them, but because we’ve found these metrics reveal subtle batch-to-batch variations. Even minute impurities matter for certain dye synthesis and pharmaceutical routes; missing those can back up an entire project. Our analytics team keeps open lines with customers’ QC teams, offering full transparency into analytical data as well as our internal validation protocols.

    Applications that Drive Product Development

    From day one, 2-amino-5-nitrobenzoic acid has not been a commodity for us—its best applications keep evolving. The compound’s structure—an aromatic ring with both an amino and a nitro group—makes it a reliable intermediate for specialty dyes, agricultural chemicals, and several pharmaceutical APIs, especially where regioselective substitutions give value. In dye synthesis, having consistent and pure starting material prevents color shade unpredictability and poor reproducibility on textile or leather substrates; this keeps industrial producers running at quoted specs for their end products.

    Medicinal chemistry clients rely on the molecule as a scaffold, pushing reactivity of either the amino or nitro position in controlled steps. We’ve observed chemists in our network run reduction, acylation, or coupling reactions directly off our product, and they report process hazards or substrate failures are far less frequent than with spot-market alternatives or poorly made imports.

    In the agrochemical field, where pesticide or herbicide performance must withstand regulatory scrutiny, consistent input reagents prevent seasonal or lot-based variability – this turns into a huge advantage for formulators running long campaigns. We’ve even helped customers troubleshoot batch failures by tracing the root cause to specific off-spec intermediates sourced elsewhere. Every kilogram produced in our plant now comes with the traceability data to reduce these headaches.

    Key Differences from Other Benzoic Acid Derivatives

    The fine points that set 2-amino-5-nitrobenzoic acid apart are familiar only after years blending, filtering, and purifying benzoic acid derivatives. True, there is a family resemblance among ortho, meta, and para isomers. But practical industrial performance can diverge sharply. For example, compared to 3-amino-5-nitrobenzoic acid, our product’s amine and nitro group positions lift reactivity for amide coupling and stepwise reductions—a detail our customers learned the hard way after trying to substitute one isomer for another.

    Commonplace derivatives, such as simple para-nitrobenzoic acids or even unsubstituted benzoic acids, lack the dual-functionality our product delivers. This matters where synthetic efficiency must be maximized, as in multi-step syntheses. We have watched experienced chemists battle longer reaction times, extra by-products, or lower yields simply from choosing a seemingly similar, but functionally inferior, starting compound. With our own material, process engineers have shortened key steps or even removed the need for extra purification, giving both financial and time savings at scale.

    We have never blended grades for price optimization, nor do we offer “mixed isomer” cuts, since this only creates uncertainty in downstream chemistry. Each drum, regardless of shipment size or final buyer, holds the same chemical integrity as our in-house reference standard.

    Support and Track Record with Industry Partners

    Any manufacturer can claim to produce a compound, but building trust comes brick by brick. Over the years we’ve fielded countless technical service calls—some urgent, others speculative—from teams facing process snags or scale-up disasters. Many times, suppliers blame the customer, or point to handling habits, but from our side of the reactor we know that most problems trace back to starting material quality. This is why we changed tack very early in our process design, implementing not just ISO standard controls but tailored internal checks built by hands-on production managers.

    During runs where a customer’s GCMS flagged minute polar impurities, we sat down with their chemists and made up standard additions, mapping out exactly where the anomaly began. Often, it’s a subtle adjustment to reaction time or even how filtration is staged that solves the problem. These root-cause reviews shaped our standard operating procedures and gave our R&D group the data to refine every significant parameter — temperature ramps, batch volume, mixing speed, and solvent swaps. These small interventions stack up to yield the kind of consistent performance customers remember.

    We listen to feedback that comes from real work — challenges like scale-dependent solubility, caking on storage, or color drifting over time in large drums. In response, we optimized lot sizes, transitioned to new drum liners, and modified crystal drying schedules. One memorable episode involved a client facing product clumping after sea freight; once we understood their humidity swing from port to plant, we integrated a stepwise moisture barrier, cutting losses to zero for a year’s worth of shipments.

    Quality Management – Beyond Certificates

    Anyone can issue a certificate of analysis, but that only tells part of the story. True peace of mind for our end users comes from a clear, unbroken chain of custody—one that holds up under audit or recall. Independent third-party labs audit our material regularly, but more important is our routine in-line QA, which turns every upstream deviation or anomaly into an accessible log. We store raw data, not just summaries, and keep communication lines open to both regulators and technical managers on the client side.

    Shelf-life studies run in real-time and accelerated aging, giving data on degradation rates and impurity profiles — not just shelf-life claims. We offer these datasets to downstream partners so they can run predictive modeling for their own processes. Wherever feedback arises, we incorporate it into future production runs, closing the loop between manufacturing and application.

    Troubleshooting and Continuous Improvement

    Conversations with formulation chemists and production managers reveal the everyday snags with specialty chemicals. Tracking down the source of a process upset often shows that subtle differences in the starting acid—particle size, color, reactivity—can choke a downstream reactor or clog filters unexpectedly. From a plant perspective, it’s more than a quality issue; it means lost hours, wasted solvent, or lost product. We don’t just tweak process conditions for the sake of specification sheets; each adjustment is made with full awareness of what goes wrong during scale-up.

    Our technical team runs batch simulations alongside actual production, mapping each output to potential customer needs. Whether it’s providing extra analytical data on trace amines, or adjusting drying methods to avoid batch caking, the focus remains firmly grounded in practical usage. There’s a direct line between what we change in our facility and what customers experience in theirs.

    Being hands-on means catching issues early. Once, facing particle size shift linked to a new filtration unit, we halted commercial shipment, investigated, and resumed only after confirming line stability. We know few users can afford to be surprised downstream, so we’d rather break our own delivery schedule than compromise on reliable product.

    Environmental Responsibility in Production

    Making 2-amino-5-nitrobenzoic acid at scale comes with environmental weight. Years ago, waste acid neutralization and solvent emissions topped our improvement list. Since then, we’ve integrated multi-stage scrubbing and invested in closed-loop solvent systems. Process water gets recycled internally where feasible, and we track waste output against baseline benchmarks.

    By collaborating with regional waste processors, every effluent leaving our premises meets both regulatory and customer requirements. Our commitment doesn’t stop at compliance; making sustainable improvements is an everyday target. Clients audited our plant, finding these investments cut response time for environmental incidents and improved our total output.

    The Role of Reliable Chemical Supply in Industry Growth

    Over the last decade, market demand for high-quality 2-amino-5-nitrobenzoic acid has grown in step with new discoveries in agrochemicals and pharmaceuticals. Research groups hinge their development timelines on raw materials that perform predictably week in and week out. Missed deadlines or failed syntheses often trace their roots to poor input quality or inconsistent batch parameters. By eliminating guesswork at the intermediate stage, innovation down the line moves forward faster.

    Production in our facility reflects a broader belief: reliability wins over price wars or vague multi-sourcing strategies. Our customers have backed this up, shifting from trial orders to annual contracts as their risk tolerance drops and technical stakes rise. Reliable intermediates save effort, time, and reputation; the win is clear on every project milestone achieved with less rework.

    Practical Solutions to Industry Challenges

    Industry challenges never disappear; they just shift with technology and regulation. From handling new REACH and EPA restrictions to balancing cost against quality, the pressures are real. Through collaboration with industry groups and direct information exchange with application chemists, our product line adapts faster than rigid competitors tied to legacy practices.

    If granulometry or dissolution rate frustrates a downstream formulation, adjustments in crystallization get fast-tracked at our plant. Where a new regulation caps residual solvents, we optimize work-up and drying protocol instead of ducking the challenge or deferring to outside consultants. Staff on our floor see themselves as extended team members of each customer—a point proven by decades of repeat business and open-door troubleshooting.

    Looking ahead, agility and communication will matter as much as process chemistry. High-spec 2-amino-5-nitrobenzoic acid is more than a catalog item; it’s a direct factor in making industry process safer, more reproducible, and, ultimately, more competitive for every manufacturer downstream. Through upstream diligence and customer-focused support, quality ripples through every stage of the supply chain. The partnerships built on years of mutual learning and technical rigor are what sustain reliable progress.