4-Nitrobenzamide

    • Product Name: 4-Nitrobenzamide
    • Alias: p-Nitrobenzamide
    • Einecs: 219-002-6
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    362239

    Chemical Name 4-Nitrobenzamide
    Chemical Formula C7H6N2O3
    Molecular Weight 166.14 g/mol
    Cas Number 619-81-8
    Appearance Yellow crystalline solid
    Melting Point 213-216 °C
    Solubility In Water Slightly soluble
    Pubchem Cid 11871
    Inchi Key TGEWKLUCUYNQQY-UHFFFAOYSA-N

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

    Packing & Storage
    Packing The 4-Nitrobenzamide is packaged in a 100g amber glass bottle with a secure screw cap and full hazard labeling.
    Shipping 4-Nitrobenzamide is shipped in tightly sealed containers to prevent moisture and contamination. It should be handled with care, compliant with chemical transport regulations. The package is labeled with the appropriate hazard warnings and safety information. Keep away from incompatible substances, and store in a cool, dry place during transit.
    Storage 4-Nitrobenzamide should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight, moisture, and incompatible substances such as strong oxidizers or reducing agents. Protect it from physical damage and sources of ignition. Proper labeling and secure storage are essential to prevent accidental exposure or contamination. Handle using appropriate personal protective equipment.
    Application of 4-Nitrobenzamide

    Applications of 4-Nitrobenzamide in Industrial Manufacturing

    4-Nitrobenzamide supports several specialized chemical processing industries through its role as an intermediate for high-value downstream synthesis. As a certified raw material manufacturer, we supply this compound in bulk for regulated environments, meeting stringent application requirements in specific sectors. The following sections outline proven areas of industrial utilization, highlighting compliance, dosing practice, process flow, and resulting end products for each segment.

    1. Pharmaceutical Intermediate for Sulfa Drugs

    Major pharmaceutical producers adopt 4-nitrobenzamide as a key building block in the synthesis route for sulfonamide-based antibiotics. Our material enables targeted conversion processes under controlled conditions, forming essential precursor units in commercial-grade APIs. Its stable nitro group ensures compatibility with downstream hydrogenation steps, contributing to consistent batch output for finished pharmaceutical products.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (Ph. Eur.) monographs for sulfonamide drugs
    • U.S. FDA CFR Title 21 Part 211: Current Good Manufacturing Practice (cGMP) for Finished Pharmaceuticals
    • WHO TRS 986 Annex 2: GMP for pharmaceutical starting materials

    Typical usage ratio

    • Used at 0.5–4.0 molar equivalents per batch, adjusted to synthesis pathway and reaction scale. Precision in dosing is required to match stoichiometry for coupling and reduction steps.

    Downstream process integration

    • Enters as a nitroaromatic substrate in the reductive amination sequence for sulfa drug intermediates
    • Subjected to catalytic hydrogenation or chemical reduction to form aminobenzamide derivatives
    • Blending and purification follow to ensure low-level impurities prior to final coupling chemistry
    • Incorporation typically before final crystallization and milling of active pharmaceutical intermediates

    Final product types

    • Sulfamethoxazole API
    • Sulfadiazine API
    • Sulfadimidine bulk substances
    • Other custom sulfonamide therapeutic compounds

    2. Dye and Pigment Intermediate for Disperse Dye Synthesis

    Major dye manufacturers utilize 4-nitrobenzamide in the closed-loop synthesis of nitro aromatic amines used as colorant precursors. Its controlled reactivity supports both batch and continuous production settings, contributing to color intensity and light fastness qualities in textile-grade disperse dyes. Our consistently pure material minimizes impurities that could affect chromophore structure, ensuring reliable shade reproducibility in colorant production lines.

    Industry compliance standards

    • OEKO-TEX® Standard 100 for harmful substances
    • ZDH Quality Guidelines for Colorant Intermediates
    • ISO 9001:2015 for dye and pigment quality assurance
    • REACH Regulation (EC) No 1907/2006 for import and supply within the EU

    Typical usage ratio

    • Generally 10–18% by weight relative to other aromatic ring compounds in primary synthesis stages, modulated by the complexity of final dye structure required.

    Downstream process integration

    • Introduced during the initial condensation or coupling stage of dye intermediate formation
    • Reduced to prepare aromatic amine blocks for further diazotization
    • Mixed with other colorant precursors prior to azo coupling or sulfonation
    • Purification and blending proceed before final dye paste or powder formulation

    Final product types

    • Disperse red dyes for polyester textiles
    • Disperse yellow and orange pigments for synthetic fiber printing
    • Reactive dye intermediates
    • Custom colorant formulations for specialty fibers

    3. Agrochemical Synthesis for Herbicide Production

    Producers of selective herbicides deploy 4-nitrobenzamide as a functionalized intermediate that provides nitrated aromatic moieties in targeted molecule frameworks. Its precise incorporation into multi-step agrochemical synthesis supports selectivity and environmental profile in registered herbicide products. Adherence to domestic and international chemical management protocols is essential due to downstream use in regulated crop protection products.

    Industry compliance standards

    • FAO/WHO Guidelines on Good Manufacturing Practice for Pesticide Active Ingredients
    • EPA 40 CFR Part 158: Data Requirements for Pesticides
    • China GB/T 1600-2014: General rules for agrochemical products
    • ISO 17025:2017 for agrochemical testing laboratories

    Typical usage ratio

    • Typically added at 2–6% by weight of the overall synthetic mixture, with precise stoichiometry based on target herbicide molecule configuration.

    Downstream process integration

    • Employed during functional group introduction in the synthesis of nitroaromatic herbicide cores
    • Undergoes further substitution and reduction to build bioactive moieties
    • Post-reaction mixture filtered and crystallized for downstream blend
    • Enters granulation and formulation steps for herbicide concentrate or dispersible granules

    Final product types

    • Selective herbicide active ingredients (e.g., for grass or broadleaf control)
    • Granular herbicide formulations
    • Water-dispersible agricultural concentrates
    • Custom agrochemical blends for specified crops

    4. Monomer Precursor for Specialty Polymer Additives

    Leading manufacturers of engineering polymers source 4-nitrobenzamide to introduce specific functional groups into polymer additive systems, especially in applications needing controlled polarity or thermal properties. Used during specialty monomer synthesis, this material supports downstream processes for obtaining consistent batch characteristics and compatibility with targeted polymer matrices, reinforcing electrical, thermal, or flame-retardant properties as required in advanced plastics and resins.

    Industry compliance standards

    • UL 94 flammability standard for polymer additives
    • RoHS Directive 2011/65/EU (and amendments) for environmental safety
    • ASTM D5630-21: Standard Test Method for Volatile Content in Plastics
    • ISO 9001:2015 for polymer additive manufacturing quality systems

    Typical usage ratio

    • Incorporated at 0.5–2.5% by weight, with ratio tailored to target additive’s molecular weight and desired functional group concentration.

    Downstream process integration

    • Feeds into monomer synthesis prior to polymerization step
    • Participates in controlled reduction or condensation with co-monomers
    • Subsequent blending with polymer matrix, often via melt blending or solvent mixing
    • Quality control checks before masterbatch or compound extrusion

    Final product types

    • Halogen-free flame retardant additives
    • High-performance engineering plastics (e.g., for electrical housings)
    • Custom anti-static agents for polymer films
    • Stabilizers used in advanced composite materials

    5. Intermediate for Specialty Fine Chemicals and Laboratory Reagents

    Producers of laboratory-grade chemicals and custom research reagents rely on 4-nitrobenzamide as a platform molecule for the synthesis of analytical reference compounds or niche fine chemicals. Its reactivity profile permits high-yield transformation via reduction, acylation, or alkylation routes, generating a variety of structurally defined products used in research, QC, or regulatory testing settings. Supply into this sector requires comprehensive traceability and purity documentation.

    Industry compliance standards

    • ISO 17034:2016 for reference material producers
    • ACS Reagent Chemicals requirements for laboratory-grade substances
    • ISO/IEC 17025:2017 for testing and calibration laboratories
    • Documentation according to UN GHS for safety data

    Typical usage ratio

    • Employed at 1–8 mmol scale for lab synthesis, or up to 5% by weight in preparative chemical production, modulated by the complexity of desired fine chemical or reagent.

    Downstream process integration

    • Utilized during initial condensation or as a protected aromatic group
    • Subject to targeted reduction, hydrolysis, or coupling reactions for specific reference compounds
    • Purified through column chromatography or recrystallization for analytical use
    • Bottled under inert atmosphere for distribution to labs and research institutes

    Final product types

    • Certified analytical reference standards
    • Synthesis intermediates for specialty research molecules
    • Custom chemical blocks for assay development
    • Traceable fine chemicals for regulatory and industrial lab QC

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    Certification & Compliance
    More Introduction

    Introducing 4-Nitrobenzamide: A Closer Look from the Manufacturer

    Building Quality from the Ground Up

    Every batch of 4-Nitrobenzamide that rolls off our production line reflects years of engineering experience and market feedback. As a chemical manufacturer, not just a supplier, we’ve learned first-hand how subtle adjustments during synthesis—not just in reagents, but in timing and temperature—truly influence the purity and consistency customers expect. Long-term clients value this difference because real-world results often spotlight what data sheets can't capture. We've invested in more precise condensation and drying techniques over time, which tighten up impurity profiles and improve yields. The process knowledge isn’t static: our chemists and line operators monitor each step, always looking for that extra margin to reduce off-target side products.

    Why Purity Matters in 4-Nitrobenzamide

    We often field questions about the value of a 99% versus 99.5% pure grade. After watching pharmaceutical and agrochemical clients struggle with difficult downstream reactions, we've prioritized minimizing trace impurities—especially aniline- and nitro-derivatives—in every lot. High-purity 4-Nitrobenzamide means fewer headaches during scale-up, and less risk of contamination that could jeopardize entire synthesis campaigns. Many academic labs, too, have told us that reliable high purity trims laboratory troubleshooting and reduces failed experiments. Each shipment we send includes a batch-specific COA, but in practice our returning customers recognize the outcome in their own data.

    Specifications that Grow with Industry Needs

    Where generic traders deal only in numbers on a sheet, as a manufacturer, we get feedback directly from process chemists and hands-on formulation scientists. Standard models of our 4-Nitrobenzamide include the common 25kg fiber drum, vacuum-sealed to keep out moisture and accidental contaminants. Particle size matters to those scaling up, so we’ve worked to dial in distribution with screening and careful milling. Some projects call for ultrafine powders for rapid dissolution, others require granules for safer handling. We make adjustments in real production, not just paperwork, to match what engineers actually use. Innovation grows out of a back-and-forth with those facing real bottlenecks, not just copying brochures.

    The Usage Landscape: Where 4-Nitrobenzamide Delivers Results

    Our team has watched the demand profile change over the years. The chemical once saw usage mainly in academic settings for synthesis exercises and NMR spectroscopy. In recent times, process chemists from pharmaceutical firms and active ingredient manufacturers have come calling, looking for reliable lots for amide coupling and as a building block for benzamide-derived drugs or crop protection molecules. Each user has a different set of tolerances. Pharmaceutical APIs need the lowest possible heavy-metal content, while pigment manufacturers care more about color body and melting behavior. Rather than rely on broad claims, our account managers collect detailed specs each quarter to guide the next production cycle. This hands-on industry engagement lets us push process improvements that make transitions—say, to continuous flow production—smoother on both sides.

    Hands-On Differences from Off-the-Shelf Grades

    Being on the production floor, we’ve run headlong into the pitfalls of relying on off-the-shelf or third-party sourced 4-Nitrobenzamide. Many commercial samples come with variable melting points, inconsistent color, or unknown residues that don’t declare themselves until a customer tries to run a hydrogenation or reduction. Powder flow and caking can bring a packaging line to a halt. Some manufacturers cut corners on drying cycles and intermediate washes. Having managed recalls and customer complaints ourselves decades ago, we overhauled our approach to use batch-fresh analytical controls—HPLC, UV-Vis, and occasional GC-MS—to lock in more reproducible quality lot after lot.

    Unlike resellers who only forward test results, our staff control what goes into, and out of, each reactor and drying oven. End users working under cGMP requirements or tight auditing regimes often schedule visits to audit our facility. We welcome this transparency because our methods withstand scrutiny, and plant managers know we’ll search for root causes of any deviation. Our reliability translates to smoother downstream processing, fewer batch failures, and simpler regulatory submissions for clients.

    Real-World Insights: Troubleshooting and Customization

    Direct manufacturing means staying in the loop on industry-specific challenges. We see new requests every quarter from clients looking to tweak a physical property—sometimes a less common crystalline form, occasionally a targeted impurity below 0.05%, or a particular micron size for new processing technologies. Bigger distributors rarely adapt unless the order book is huge. On our side, we test changes on pilot reactors and gather data before rolling out a modified product line. Past experience shows that the right particle size distribution can prevent sedimentation in suspensions, save hours in downstream filtration, or improve lot-to-lot reproducibility of catalyst performance.

    In one recent instance, an electronics firm needed 4-Nitrobenzamide with a tighter sulfur spec to qualify an incoming material for testing in OLEDs. Using a fresh lot of cleaning reagents and more sensitive detection methods, we dropped the sulfur content below the detection threshold—solving the certification snag. This level of responsiveness isn’t guesswork; it comes from maintaining synthetic know-how and controlling every lever in the process. For projects requiring exacting grades, we reach out to instrument suppliers and get help from analytical chemists on staff. The goal is always to get production differences identified early, not after scale-up headaches.

    Health, Safety, and Practical Handling: Insights from the Line

    Long days in a chemical plant underscore the hands-on realities overlooked by product summaries. Handling 4-Nitrobenzamide safely involves more than reading an MSDS. Ambient humidity, bulk loading speeds, and the potential for dusting all shape daily operations. We designed our drums and liners to reduce worker exposure and minimize spillage risks during transfer. Each shift includes routine equipment checks; lab analysts track dust levels after each campaign run. Because the powder can produce low-level dust, we upgraded our air filtration and ventilation three different times after directly observing minor operator irritation during sampling. These ongoing changes reflect the realities of keeping both staff and finished product clean.

    We also gather data from our larger customers, whose warehouse and process setups differ from ours. In southern climates, special care with storage—even refrigeration or secondary containment—can mean the difference between a smooth production run and unexpected clumping. We incorporate these practical lessons into our packaging and storage instructions, so nothing gets lost in translation between our shop floor and a customer's batch suite.

    Environmental Responsibility from a Manufacturer’s Perspective

    Efforts to reduce environmental impact at our facility have grown over time, spurred by both new regulations and our own observations. Waste solvents and mother liquors from 4-Nitrobenzamide production once posed a tricky disposal issue. Working with regulatory chemists, we invested in solvent recovery units, which now recycle a significant share of spent materials back to feedstock grade. Each batch starts with raw materials that have their own environmental footprints—primarily nitrobenzene and ammonia-based reagents. By mapping out energy consumption across the production cycle, we found that improvements in heat exchange and distillation efficiency trimmed not only costs, but also our plant’s emissions numbers. Plant-wide reductions in solvent usage and adoption of closed-loop systems for wastewater pre-treatment have been phased in, tracked, and often shared on-site with regulatory inspectors.

    We invite customer feedback on raw material sourcing and downstream waste handling. Questions from pharmaceutical and specialty chemical users have led us to expand our takeback programs and invest in more robust tracking of cradle-to-gate carbon footprints. These practices emerged from real-world collaboration—not simply compliance with regulations, but active effort to partner with forward-looking clients. Our technical staff attend industry forums and working groups, exchanging ideas that feed directly back into our sustainability programs.

    Differences That Go Beyond the Datasheet

    There’s a real distinction between the talk of tight tolerances and the actual reproducibility only achievable by a hands-on manufacturer. Off-brand or brokered material may meet envelope specs but fall short during a process upset or regulatory audit. Customers have reported that some competitors’ lots bring unexpected aldehyde or hydrolytic impurities, leading to false positives in quality checks or regulatory slowdowns. Our chemists anticipate and monitor for these glitches—offering not just a compliant product, but a truly functional one.

    An often-overlooked issue is material aging. Shelf life and storage stability play a huge role for customers ordering on a six-month or annual inventory basis. We continually study our lots for degradate buildup; our results drive improvements in packaging materials and advice on storage. After seeing out-of-date stock cause delays for an API customer, we shifted to more frequent real-time and accelerated aging tests as part of regular QA. These lessons, learned on the ground, have led to practical changes both for us and our most loyal clients.

    Supporting Innovation Through Collaboration

    Our R&D staff work alongside customers, not just behind the scenes. Early-adopter projects in catalysis and specialty coatings often start with standard 4-Nitrobenzamide grades, but success comes from adjusting synthesis routes or purification steps to meet unexpected challenges in the real world. We frequently run joint experiments, sharing spectral and chromatography data, or adjusting production logic to handle a customer’s unique needs. There are instances where we modified an intermediate batch, based solely on collaborative troubleshooting, to rescue a pilot or scale-up run for a pharmaceutical client. This level of partnership and feedback exchange doesn’t originate in the abstract world of specifications—it comes from years of hands-on know-how and pragmatic conversation.

    Regulatory Backing and Traceability

    Achieving compliance standards is a daily exercise, but we go further by documenting each manufacturing stage for traceability. Regulatory regimes grow more complex every year, but we’ve taken lessons from customer site audits and third-party reviews to reinforce every production checkpoint. Documentation isn’t just about passing an inspection—it ensures that our product history aligns with what downstream users, especially those in pharma and fine chemicals, demand: full traceability, easy recall in case of deviation, and digital logs accessible for review during customer audits. Experience tells us that this level of documentation closes the loop between what we produce and what clients actually need to report.

    Meeting Current and Future Market Needs

    As international demand adapts, we keep adapting too. Trends in green chemistry, automated synthesis, and more stringent product stewardship reshape requests from buyers, technologists, and end users alike. To keep pace, we study changing industry signals—customer process modifications, new synthetic applications, or revised regulatory protocols—and integrate each finding into new production protocols. Feedback from operational partners is logged and circulated among production and quality teams, so we all learn how to better align future lots with evolving requirements. We see growing demand not only from established pharmaceutical and agrochemical segments, but from new materials science applications where 4-Nitrobenzamide serves as both an intermediate and a functional additive.

    Summary of Practice, Not Just Promise

    Every shipment of 4-Nitrobenzamide from our facility reflects collective expertise: production chemists, plant operators, lab analysts, and technical support staff, all working hands-on with the real material and its daily challenges. We stand behind our product because there’s a clear chain of responsibility from the initial raw material order to the packed drum leaving loading docks. Our commitment shows most clearly in how we respond to unique requests, track evolving concerns, and refine plant operations after each practical lesson. We know that real-world issues rarely fit tidy checklists, so we stay nimble and engaged, ready to update, re-test, and troubleshoot—today and for the next generation of customers.

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