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4-Nitrobenzaldoxime

    • Product Name 4-Nitrobenzaldoxime
    • Alias 4-nitrobenzaldehyde oxime
    • Einecs 220-246-1
    • 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

    591813

    Cas Number 1449-94-5
    Iupac Name 4-nitrobenzaldoxime
    Molecular Formula C7H6N2O3
    Molecular Weight 166.13 g/mol
    Appearance Yellow solid
    Melting Point 167-170 °C
    Boiling Point Decomposes before boiling
    Density 1.37 g/cm3 (estimated)
    Solubility In Water Slightly soluble
    Synonyms p-Nitrobenzaldoxime
    Pubchem Cid 10360

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

    Packing & Storage
    Packing The 4-Nitrobenzaldoxime is packaged in a sealed amber glass bottle, labeled clearly, containing 25 grams of fine yellow powder.
    Shipping 4-Nitrobenzaldoxime is shipped in tightly sealed containers to prevent moisture and air exposure. It should be handled as a hazardous material, following appropriate regulations. Packaging must be clearly labeled, and transport should avoid extreme temperatures. Ensure compliance with local, national, and international chemical shipping guidelines and safety documentation requirements.
    Storage 4-Nitrobenzaldoxime should be stored in a tightly sealed container, away from light, heat, and sources of ignition. Keep it in a cool, dry, and well-ventilated area, separated from incompatible substances such as strong oxidizers and acids. Ensure proper labelling and handle with care, as the compound may be hazardous. Store according to all relevant safety regulations.
    Application of 4-Nitrobenzaldoxime

    Applications of 4-Nitrobenzaldoxime in Industrial Manufacturing

    As a direct manufacturer of 4-Nitrobenzaldoxime, we focus our production on established and validated applications across specialty chemicals, pharmaceuticals, agricultural intermediates, and advanced materials. Each application requires compliance with industry regulations, precise formulation, and tailored process integration to suit downstream manufacturing needs.

    1. Pharmaceutical Intermediate for Cephalosporin Synthesis

    4-Nitrobenzaldoxime serves as a key intermediate in the synthesis of several third-generation cephalosporin antibiotics. It offers stability under reaction conditions and enables reliable conversion in the formation of side chains essential for β-lactam antibiotics. End-users in pharmaceutical API manufacturing integrate this compound in multi-step synthesis lines, subject to rigorous quality and regulatory demands.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • USP and EP Monographs for Intermediates
    • FDA 21 CFR Part 210/211 for finished pharmaceuticals
    • Chinese Pharmacopoeia (ChP) requirements for pharmaceutical production

    Typical usage ratio

    • Employed at 0.8–1.2 molar equivalents relative to the target side chain component
    • Adjustment based on yield and purity criteria of the downstream reaction

    Downstream process integration

    • Introduced during side-chain assembly after core β-lactam ring construction
    • Participates in condensation and derivatization steps prior to purification
    • Managed under controlled environments to minimize impurity formation

    Final product types

    • Pharmaceutical-grade cephalosporin APIs (e.g., cefotaxime, ceftriaxone)
    • Bulk antibiotic intermediates for captive or contract manufacturing

    2. Organic Synthesis of Heterocyclic Compounds Used in Agrochemicals

    Manufacturers in the agrochemical sector utilize 4-Nitrobenzaldoxime for constructing heterocyclic scaffolds found in several herbicide and pesticide actives. The compound participates effectively in cyclization and functionalization reactions, where it delivers nitroaromatic and oxime groups essential for biological activity modulation. Agrochemical integrators demand high purity and reliable batch consistency for large-scale operations.

    Industry compliance standards

    • FAO/WHO specifications for technical active substances
    • REACH registration (EC No. 1907/2006) for upstream chemical safety
    • ISO 9001:2015 for manufacturing quality management
    • Local chemical safety regulations (e.g., China’s MEE Order No. 12)

    Typical usage ratio

    • Applied at 1.05–1.15 molar equivalents in cyclization synthesis routes
    • Dosage adjusted in pilot studies to maximize target yield; excess mitigates side reactions

    Downstream process integration

    • Fed into batch or continuous reactors during early-stage building block formation
    • Oxime functional group participates in ring-closure steps
    • Downstream removal of byproducts via filtration or solvent extraction

    Final product types

    • Pyridine and pyrazole based herbicide actives
    • Nitroaromatic insecticide intermediates
    • Finished technical agrochemical active substances

    3. Precursor for Dye and Pigment Synthesis in Specialty Colorants

    Producers of specialty dyes and pigments employ 4-Nitrobenzaldoxime as a precursor for synthesizing azo and nitro dyes with customized chromatic properties. The compound’s unique nitration and oxime structure facilitates coupling reactions and subsequent reductions to yield vibrant colorants for textile, paper, and ink industries. Manufacturers demand traceable batch quality and precise impurity control during large-scale dye production.

    Industry compliance standards

    • OEKO-TEX® Standard 100 for restricted substances in textiles
    • REACH SVHC compliance for azo precursors
    • ISO 9001:2015 certified colorant production lines
    • ZDHC (Zero Discharge of Hazardous Chemicals) chemical management for textiles

    Typical usage ratio

    • Implemented at 1.0–1.2 molecular ratios in diazotization and coupling steps
    • Usage fine-tuned for shade matching and color consistency

    Downstream process integration

    • Engaged in coupling with aromatic amines under controlled pH
    • Reduced post-coupling to achieve desired pigment saturation
    • Curated storage and handling for stability of intermediates

    Final product types

    • Direct and acid azo dyes for textiles and paper products
    • Nitro dye intermediates for ink formulations
    • Colorant dispersions for specialty coatings

    4. Intermediate for Fine Chemical Synthesis in Polymer Additives

    Our clients in the polymer additive sector integrate 4-Nitrobenzaldoxime in protocols aimed at synthesizing finely tuned chain transfer agents and functionalized polymer modifiers. Its reactive oxime group participates in nucleophilic addition or condensation, facilitating molecular customization of performance additives that improve polymer stability, mechanical properties, or processing behavior. Consistency of input quality and compatibility with large-scale reactors remain critical for this sector.

    Industry compliance standards

    • ISO 14001:2015 for environmental management in chemical manufacturing
    • REACH registration for downstream polymer chemicals
    • ASTM D256 for mechanical property measurement in polymer blends
    • Global Inventory Listing (TSCA, IECSC) where applicable

    Typical usage ratio

    • Calculated at 0.5–1.0 parts by weight per 10 parts of base polymer resin
    • Ratio optimized according to mechanical test feedback and additive performance

    Downstream process integration

    • Entered during pre-polymerization or additive blending phase
    • Employed in both batch and continuous reactor lines
    • Linked by covalent attachment to polymer chains in situ

    Final product types

    • Heat stabilizers and antioxidant additives
    • Polymer chain transfer agents for tailored molecular weight
    • Masterbatches for engineering plastics and elastomers

    5. Analytical Reagent for Nitroso Derivatization in Laboratory Applications

    In analytical chemistry and materials research, 4-Nitrobenzaldoxime acts as a derivatization reagent for selective nitroso reactions. Accredited laboratories employ it to convert targeted analytes for enhanced detection via spectroscopic or chromatographic methods. High reagent purity and traceable quality documentation are fundamental to ensure reliable results and reproducibility in both QA and R&D settings.

    Industry compliance standards

    • ISO/IEC 17025 for laboratory testing and calibration
    • GLP (Good Laboratory Practice) for research reagent use
    • ASTM E200 for preparation of analytical standards
    • National metrology and proficiency testing schemes

    Typical usage ratio

    • Reagent concentrations at 5–20 mM for analytical derivatization
    • Levels optimized based on analyte type, sample matrix, and detection limits

    Downstream process integration

    • Mixed with sample prior to instrument injection or separation
    • Enables quantifiable derivatization of amines and aldehydes
    • Processed under light-protected and inert conditions for stability

    Final product types

    • Analytical sample preparations for instrument calibration
    • Chemical reference standards for laboratory testing
    • Documented test batches for proficiency validation
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    Certification & Compliance
    More Introduction

    4-Nitrobenzaldoxime: Precision-Crafted for Forward-Thinking Manufacturers

    Reliable Quality, Consistent Performance

    4-Nitrobenzaldoxime stands apart among oximes, shaped by years of direct involvement in production and continuous improvement. Our focus has always landed squarely on purity, physical reliability, and batch consistency—the qualities our partners expect and deserve. Each batch receives close attention, beginning with raw material selection. We source starting chemicals from trusted, long-term suppliers who meet strict quality metrics, the same ones that our large-scale facilities require for smooth, uninterrupted output. The finished product does not contain unknown contaminants or inconsistent by-products. Before it leaves our site, our in-house lab team runs high-performance liquid chromatography and rigorous melting point analysis. Purity typically reaches 98.5% or higher. Moisture content remains low, reducing the chance of unwanted side reactions or shelf-life issues down the line.

    Physical Specifications Shaped by Real-World Needs

    Many labs produce oximes, yet commercial-scale application asks for more than a catalog sample. Each kilogram from our production line appears as a yellow to orange crystalline powder, easily manageable in typical industrial environments. No odd lumps, no caking—just free-flowing material. Particle size distribution keeps filtration and suspension behaviors predictable, a result of well-controlled crystallization. High flowability reduces losses during handling. Thermal behavior stays stable under standard ambient warehouse conditions, easing concerns about degradation in transition or storage. Odor remains faint, an advantage in enclosed workspaces compared to lower-grade or impure batches that carry more volatile residues. Our internal stability data shows minimal color change or clumping across storage periods exceeding twelve months when kept dry and unopened. Lab results match real-world use, which comes directly from the reality of handling, storing, and transporting thousands of kilos each quarter.

    Supporting Key Chemical Synthesis Pathways

    This specialty chemical holds special significance in custom synthesis, especially for developing complex aromatic intermediates. Our customers use 4-Nitrobenzaldoxime as a key step in the creation of dyes, pigments, photographic agents, and pharmaceutical syntheses. In nitrile production, high-purity 4-Nitrobenzaldoxime converts smoothly into 4-nitrobenzonitrile, essential in downstream applications. Its utility extends to coordination chemistry as a ligand precursor, offering selectivity and control, particularly when consistency matters for reproducible results. The presence of the nitro group on the aromatic ring introduces additional electron-withdrawing character, giving it a unique reactivity profile relative to unsubstituted or methyl-substituted benzaldoximes. Researchers developing new drugs or advanced functional materials rely on this profile to drive selectivity during reaction steps. From benzidine derivatives to complex API scaffolds, we see customers pushing boundaries, and we respond with targeted adjustments in particle size, purity, or packaging when the process demands it.

    Why Purity and Clean Reaction Are Paramount

    Industrial and research users of 4-Nitrobenzaldoxime consistently point out that inconsistent materials can wreck a planned reaction sequence. Scrupulous control over chloride and sulfate impurities means fewer side products and higher downstream yields for demanding customers, such as companies synthesizing high-purity pharmaceuticals or novel colorants. Our team has tracked dozens of customer reports tying off-spec batches from other origins to unexpected color changes, poor yields, or difficult purifications. Direct conversations with long-time users help shape our internal standards. For example, we refined drying and packaging methods to eliminate “trace sticking,” responding to feedback from formulation chemists who encountered processing slowdowns. Minor particles or moisture can introduce missteps even in seemingly robust workflows. We routinely receive requests for more data, and we share detailed certificates of analysis, not just for flagship lots but for each single batch. This transparency reflects real trust built up over many years working together.

    Comparing to Other Benzaldoximes

    While the oxime class shares similar physical properties, 4-Nitrobenzaldoxime draws clear differences through its functional substituent and reliable production standards. Unlike plain benzaldoxime, the presence of a nitro group at the para position enhances the compound’s electrophilic character, supporting different reactivity, especially where selective transformations are needed. This specificity allows users to dial in chemoselectivity impossible with non-nitro analogs. Another advantage ties directly to scale: smaller labs occasionally struggle with pure nitro-oximes, as the nitro group can be sensitive to reduction or decomposition under rough handling. Our established protocols mean every batch delivers reliable material—the same one tested in our own downstream plants. Businesses requiring kilogram-to-ton quantities appreciate that this level of detail isn’t reserved for specialty samples but is the baseline for all commercial lots.

    Direct Handling Experience Drives Safe, Efficient Operations

    In large-scale environments, every detail matters. Removing a sticky, resinous impurity at the filtration stage or watching overnight crystallizations go awry costs precious time on the plant floor. The physical integrity of 4-Nitrobenzaldoxime impacts all steps downstream, from bulk solid transfer, through dissolution, to automation in continuous systems. Our processes minimize dust and inhalation risk, supported by investments in dust-cooled conveyor lines and explosion-vented packaging. Plant operators shared concerns years ago that off-odor oximes disrupted staff comfort. Adjustments to our purification train removed low-level volatiles, reducing those complaints. We emphasize clear and simple labeling, traceable batch numbers, and ship in moisture-resistant containers that hold up in variable global climates. Feedback comes straight from warehouses, not just QA offices. Over time, lessons learned—like humidity spikes on loading docks or vibration during freight—shape better shipping methods and more robust product.

    Common Production Challenges and How We Address Them

    Manufacturing a consistent, high-purity nitro oxime is never a trivial task. Raw material fluctuations, temperature swings, and storage challenges constantly threaten output. Equipment wear and occasional supply shocks can push operators to cut corners, but we invest in regular audits and redundancy on critical equipment. We operate our main reactors under automated temperature and pressure control, allowing real-time corrections before off-specification batches leave the reactor. Our filtration and drying steps received upgrades after plant trials exposed minor color drift. These upgrades, sparked by user feedback, also reduced waste solvent generation. Our chemists monitor baseline data from each run, flagging any irregularities for extra analysis. By maintaining this exacting direct oversight, we bring an extra layer of assurance—a commitment other suppliers sometimes sideline in pursuit of faster throughput.

    Environmental and Regulatory Considerations

    Making and shipping chemicals safely and responsibly goes beyond the product itself. Stringent local and global regulations apply to both production of 4-Nitrobenzaldoxime and its downstream uses. We keep operations compliant with the latest environmental restrictions, ensuring that effluents, air emissions, and waste products remain below limits set by regulatory agencies. We routinely upgrade waste treatment systems, capturing nitro-aromatic residues for secure destruction, and recover solvents wherever feasible. Employee safety training covers direct handling and accidental exposure with clearly defined protocols. Customers benefit from this focus because our documentation and shipping practices align with international standards. There’s no substitute for a direct manufacturer’s integrity and openness—no hidden shortcuts, no unreliable third-party “gray channel” blending. Each year we undergo multiple external audits, and client representatives walk our floor to see the production realities for themselves. These shared discussions strengthen the partnerships on which long-term supply depends.

    Customization, Packaging, and Logistics Based on End-Use

    Using 4-Nitrobenzaldoxime in modern industries sometimes calls for tailored packaging, whether it’s large fiber drums for intermediates manufacture or smaller containers for trial runs in R&D. Our logistics network grew out of steady interaction with chemical plants, formulating teams, and global traders. We adapt to specific needs, including lined barrels to prevent moisture ingress, easy-to-tear inner bags to reduce contamination, and palletization methods that withstand long sea or land journeys. Labels display batch numbers, manufacture dates, and expiration periods clearly, helping customers maintain solid inventory control. We offer guidance on storage, and our support staff responds rapidly to special requests based on real traffic experiences—be that an unplanned customs hold or new export requirements in an unfamiliar region. This responsiveness springs from our sense of partnership with users confronting real deadlines and regulatory environments—not from textbook “best practices.” No batch ships until it meets both our in-house checks and end-user expectations, learned from decades working side by side with application engineers and plant managers.

    Supporting Research and Development with Consistent Input

    Teams working on new ideas and scaling up from bench to pilot plant don’t just need reliable chemicals—they need real data and open collaboration from upstream partners. We’ve worked closely with university researchers, contract synthesis shops, and multinational corporations tackling new synthetic pathways. Our technical specialists share detailed analytical data—NMR, HPLC, trace metal levels—and contribute to troubleshooting sessions where batch differences create process hiccups. This involvement helps us see how our material behaves outside our own plant, guiding continuous improvements. On occasion, we’ve adapted production campaigns to supply non-standard grades, different particle sizes, or even new derived oxime structures. This open dialogue speeds innovation and gives us an inside look at how a single intermediate might influence color quality, pharmaceutical impurity profiles, or electronic material performance. Rather than sitting back, we play an active role in these creative efforts because our own teams gain valuable insights directly relevant to scaling up or refining ongoing production processes.

    Differences Created by Production Method and Accountability

    Not all 4-Nitrobenzaldoxime originates from the same synthesis route, and these differences impact downstream behavior. We opted for an optimized condensation approach, rather than alternative multi-step sequences, after repeated pilot-scale trials showed lower impurity carryover and higher batch reliability. Using high-grade nitrobenzaldehyde and carefully proportioned hydroxylamine, we reduce side reactions that plague older, less efficient processes. Our reactors reach homogenous mixing quickly, supporting consistent particle morphology and more predictable solubility in later steps. Our choice of process reflects years of first-hand operator feedback—feedback that matters to our chemists and plant managers alike. Trace metal content (including iron and copper typically introduced by corroded equipment) is kept to a minimum by regular part replacement and closed-system handling. Full traceability follows each batch from raw input through to the last shipping label. For customers running sensitive downstream syntheses or regulatory submissions, this assurance differentiates us from less-transparent supply chains, where blending or repackaging may hide underlying weaknesses.

    Building Stronger Value Chains Through Transparency

    As a manufacturer shaping each lot from the ground up, we believe open data and responsiveness build the strongest supply relationships. We provide clients with real-time batch spectroscopic data and remain available for process improvement discussions—not just at the sale, but for the life cycle of each product. This approach creates a true partnership: users share synthesis challenges, and our technical team investigates root causes, often adapting purification or packaging steps based on these front-line insights. Over the years, this has meant introducing desiccant packs for sensitive climates, revising container linings when shipments endured long sea transport, and producing rapid turnover mini-batches for urgent research timelines. Large-scale chemical users find value in this feedback cycle, knowing that their requirements won’t disappear in an anonymous queue or get lost among traders’ shifting priorities. It’s a manufacturing philosophy based on shared goals and practical chemistry, proven batch after batch, year after year.

    Conclusion: Crafting a Dependable Foundation for Modern Chemistry

    4-Nitrobenzaldoxime occupies an important role in synthesis-driven industries. Its properties enhance the reliability of dye manufacture, pigment creation, specialized pharmaceutical synthesis, and modern laboratory innovation. Decades of real-world manufacturing experience shape the way each batch is made, tested, and delivered. Every decision, from sourcing to shipping, follows clear lines of accountability led by hands-on teams, with improvements inspired by end user reality rather than market trends alone. The product that arrives reflects a chain of care—built for those who rely on each shipment for safe, efficient, and inspired chemical production. Close collaboration, continuous improvement, and a practical approach to operational feedback ensure that our 4-Nitrobenzaldoxime remains the reliable choice for those building tomorrow’s chemistry today.