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3-Nitropropiophenone

    • Product Name 3-Nitropropiophenone
    • Einecs 204-360-4
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    780811

    Chemical Name 3-Nitropropiophenone
    Cas Number 121-89-1
    Molecular Formula C9H9NO3
    Molecular Weight 179.17 g/mol
    Appearance Yellow crystalline solid
    Melting Point 82-85 °C
    Boiling Point 355.1 °C at 760 mmHg
    Density 1.258 g/cm3
    Solubility Slightly soluble in water
    Inchi InChI=1S/C9H9NO3/c1-2-8(11)7-4-3-5-9(6-7)10(12)13/h3-6H,2H2,1H3
    Smiles CCC(=O)C1=CC=CC=C1[N+](=O)[O-]

    As an accredited 3-Nitropropiophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle labeled "3-Nitropropiophenone, 99%, 100g." Features hazard symbols, lot number, and manufacturer details with tamper-evident seal.
    Shipping 3-Nitropropiophenone is shipped in tightly sealed containers, protected from light and moisture. It is classified as a hazardous chemical, so transportation follows strict regulations, including proper labeling and documentation. The packaging ensures minimal risk of spillage or contamination, complying with international and local safety standards for chemical shipping.
    Storage 3-Nitropropiophenone should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from sources of ignition, heat, and incompatible substances such as strong oxidizers and bases. Protect from moisture and direct sunlight. Clearly label the container and keep it in a chemical storage cabinet designed for flammable or hazardous materials. Always follow proper chemical storage protocols.
    Application of 3-Nitropropiophenone

    Applications of 3-Nitropropiophenone in Industrial Manufacturing

    Our production facilities manufacture 3-Nitropropiophenone for integration into a range of specialized industrial sectors. The following application scenarios reflect real downstream uses within compliant manufacturing operations, supported by precise process details and industry requirements.

    1. Pharmaceutical Intermediate for Synthetic APIs

    3-Nitropropiophenone serves as a synthetic intermediate in multi-stage chemical syntheses for active pharmaceutical ingredients (APIs), especially in the manufacture of certain sedatives and anticonvulsant products. The compound participates in controlled nitration, reduction, and acylation steps. Facilities utilizing this intermediate must ensure clear batch traceability, validated impurity profiles, and alignment with target molecular weights. Process chemists adjust the input ratio based on target yield and scale, carefully monitoring for byproducts. The intermediate typically enters amidation or hydrogenation steps before further refinement to the active component. Quality-control specialists perform analytical checks on the intermediate before approving release to the next stage.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Current Good Manufacturing Practice (cGMP, 21 CFR Part 210 & 211)
    • Ph. Eur. and USP monograph compliance for relevant end APIs
    • REACH registration for chemical intermediates in the EU

    Typical usage ratio

    • Range: 0.9–1.2 molar equivalents per synthesis batch, depending on the downstream reaction stoichiometry and target scaling.

    Downstream process integration

    • Used in the early-stage synthesis as a core building block for heterocyclic structure formation and further functional group transformations.
    • Input prior to reductive amination or Grignard coupling step for API development.

    Final product types

    • Pharmaceutical active ingredients for sedatives and anticonvulsants
    • Bulk intermediates for contract API production
    • Regulated small-molecule drug substances

    2. Agrochemical Synthesis Precursor

    Downstream agrochemical manufacturers use 3-Nitropropiophenone as a central precursor in the synthesis of selective herbicide and insecticide molecules. The material allows for controlled substitution and reduction reactions to build agro-active moieties with desired selectivity. Production engineers manage batch addition tightly to prevent side-product formation, while regulatory compliance teams document all raw material use for traceability and environmental control. Integration occurs in the nitration phase or during chain extension reactions, often followed by purification to remove nitro byproducts before the actives reach formulation blending for crop protection products.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management Certification
    • REACH compliance for downstream use as precursor
    • OECD principles for pesticide manufacturing

    Typical usage ratio

    • 5–15% by mass of total reactants in target molecule synthesis, with the exact amount dependent on the intended pesticide formulation and targeted yield.

    Downstream process integration

    • Introduced during key condensation or functionalization steps in active ingredient manufacture.
    • Purified after core reaction before transfer to formulation and compounding units.

    Final product types

    • Technical-grade herbicide raw actives
    • Insecticide intermediates for field application products
    • Agrochemical active bases prior to formulation

    3. Fine Chemical Building Block for Dye Synthesis

    Specialty dye producers employ 3-Nitropropiophenone as a functionalized aromatic substrate for azo and anthraquinone dye manufacture. The compound undergoes further modification in controlled nitration or reduction environments, leading to color-precursor chromophores tailored for textile and leather coloring. Operators dose the material into high-reactivity batch reactors under monitored temperature and pH, ensuring complete conversion to downstream intermediates for color properties. The use of pure, analytical-grade raw input supports achievement of strict final dye purity and tone requirements, minimizing off-spec batches and improving end user satisfaction in the textile production chain.

    Industry compliance standards

    • OEKO-TEX Standard 100 for textile chemicals
    • EN 71-3:2019 (Safety of toys—Migration of certain elements, if applied to toy dyes)
    • GHS labelling for dye precursors handling

    Typical usage ratio

    • 10–25% of total mass for chromophore precursor reactions, depending on desired color depth and shade control.

    Downstream process integration

    • Fed into nucleophilic aromatic substitution or reduction stages for aromatic amine production followed by diazotization.
    • Serves as primary feedstock in pigment manufacturing lines before blending and standardization.

    Final product types

    • Azo dye and anthraquinone dye intermediates
    • Colorants for textile and leather finishing
    • Specialty pigments for industrial coatings

    4. Chemical Intermediate for Fragrance and Flavor Synthesis

    Fragrance and flavor compound manufacturers utilize 3-Nitropropiophenone for targeted synthesis of aromatic ketone and ester derivatives, which are later converted into flavor and fragrance components designated for non-food technical use. Process chemists control the integration phase to maintain molecular specificity and limit undesirable byproducts. Facilities apply supported hydrogenation and reductive alkylation to transform the raw input into olfactory-active intermediates. All stages operate under validated process controls in compliance with safety guidelines for workplace exposure and end-user product acceptability, with detailed documentation for traceability.

    Industry compliance standards

    • IFRA Code of Practice (International Fragrance Association)
    • ISO 9001 Quality Management for Fine Chemical Manufacturing
    • GHS compliant handling and storage

    Typical usage ratio

    • 2–8% by batch mass depending on final product volatility, desired molecular structure, and downstream reactivity.

    Downstream process integration

    • Input during reductive or alkylation stages for creation of aromatic intermediates.
    • Subjected to further transformation before incorporation into technical fragrance formulations.

    Final product types

    • Technical-grade aromatic ketone and ester fragrance precursors
    • Industrial fragrance bases for cleaning and industrial air care
    • Non-food certified technical flavor intermediates
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    Certification & Compliance
    More Introduction

    3-Nitropropiophenone: Direct from Our Manufacturing Facility

    Dedicated to Purity and Consistency in 3-Nitropropiophenone

    Working in chemical manufacturing offers a unique perspective on materials like 3-nitropropiophenone. Our team produces this compound with a clear focus on purity and batch consistency, knowing just how critical it is for research labs and specialty synthesis. We operate with a hands-on approach, following every step of the process so that each lot delivers on the reliability expected by pharmaceutical scientists, process engineers, and academic researchers. This compound, often known for its nitrated aromatic character, has a distinct use profile compared to many other derivatives and intermediates available today. We bring forward all the lessons learned on the lab floor and from feedback at industrial scale.

    Why We Manufacture 3-Nitropropiophenone

    Over the last decade, the demand for nitroaromatic building blocks has shifted. Synthetic pathways have grown more sophisticated; regulatory requirements have become tighter. At our manufacturing site, we have committed to providing 3-nitropropiophenone that meets the pressing needs of advanced organic synthesis. We see day-to-day how even subtle impurities or slight inconsistencies can complicate downstream chemistry. Our teams regularly collaborate directly with customers, not distributors or brokers, so we understand how an unreactive byproduct can halt an entire experimental series or process campaign. Our manufacturing specialists document every variable, from temperature ranges to extraction solvents, so that users receive a compound that surprises nobody in the lab and never interrupts established synthetic protocols.

    Model, Formulation, and Physicochemical Profile

    We manufacture 3-nitropropiophenone in crystalline form, tailored for straightforward handling and storage. Its structure balances an electron-withdrawing nitro-substituent on the aromatic ring, providing reactivity that many researchers leverage in acylation, alkylation, and cyclization reactions. The melting point is carefully controlled for consistency across lots, and we tightly monitor residual solvents. Each batch undergoes gas chromatography and HPLC testing—techniques we have fine-tuned over many operational cycles. We believe nothing builds trust like reproducible results right out of the package, so our chemists cross-reference every lot’s outcome against a robust internal database. We have invested in rigorous staff training and real-time process monitoring, as part of an ongoing improvement system.

    Using 3-Nitropropiophenone in Real-World Applications

    End-users of our 3-nitropropiophenone come from diverse sectors. In our conversations with them, common requirements surface: yield reliability, predictable transformation under reduction and condensation steps, and a clean analytical fingerprint that permits easy tracking throughout multi-step processes. Pharmaceutical teams employ it for synthesizing APIs and preclinical candidates, given its utility as an intermediate. Researchers in material science also use it for substrate modifications. We have seen increasing interest from academic groups running mechanistic studies. In every context, feedback consistently points to the value of predictable purity ranges and low-level side products. We listen and adjust production protocols, documenting every customer-reported result that deviates from expectations, then fine-tuning reaction conditions, especially for acquired impurities or inconsistent melting points.

    What Sets Our Product Apart?

    Many producers handle small-batch synthesis for boutique compounds, but large-scale consistency poses different challenges. Our plant operates with dedicated vessels and closed-transfer systems, reducing cross-contamination risk far beyond typical multi-purpose setups. We take pride in opening our doors to process audits—a step some operations dread. Experienced chemists from client teams have walked our production lines, checking how we purify, dry, and monitor every stage. Unlike resellers or brokers, we don’t rely on generic third-party certificates; every shipment is tied directly to documented manufacturing runs and release tests. In cases where a client’s procedure calls for a minor adjustment—perhaps finer particle size or stricter control of residual moisture—we quickly adapt, using validated equipment rather than outsourcing or substituting suppliers.

    Comparing 3-Nitropropiophenone to Related Intermediates

    Having produced a wide array of aromatic ketones and nitro compounds over the years, we draw on firsthand experience to highlight where 3-nitropropiophenone stands apart. Structurally, the nitro group adds substantial reactivity; its electron-withdrawing effect allows certain reductions or cyclizations that less activated ketones resist. Our clients often choose it over analogs like 4-nitropropiophenone or unsubstituted propiophenone when they require regioselectivity in further transformations. We also produce related building blocks, and side-by-side process analytics have shown notable differences in stability and storage requirements. For instance, 3-nitropropiophenone maintains shelf stability under moderate conditions better than many ortho- or para-substituted analogs, owing to its specific resonance patterns and steric profile.

    Managing Quality and Integrity from Start to Finish

    Decades of experience tell us that nothing erodes trust in a supplier faster than off-spec material. Each step, from raw material vetting to finished product release, is logged and reviewed against internal standards. We operate under strict environmental controls, with every temperature swing and pressure change monitored in real time. Our staff lead hands-on process calibrations and regularly update SOPs—not just for regulatory checkboxes, but because history has shown us that aging or poor-quality feedstocks can introduce subtle contaminants. These can go undetected until a critical reaction fails—not acceptable for rigorous R&D or pilot-scale work. After every finished synthesis, samples are pulled and analyzed by both our in-house lab and contracted third-party reference labs, ensuring no single oversight skews the final quality report.

    Packaging, Storage, and Transport—Lessons from the Production Floor

    We have learned that packaging makes a material difference in the chemical’s long-term usability. Years of feedback taught us to avoid packaging that responds poorly to ambient changes or increases the risk of static charge. For 3-nitropropiophenone, we use antistatic liners and select vapor-barrier drums that keep environmental factors at bay during storage and shipping. Long-haul shipments are tracked closely, and we use temperature indicators in the shipment containers, providing full data upon delivery. Our storage recommendations reflect real-world trials, with records of product longevity at different temperature and humidity levels. Rare cases of degradation have prompted thorough reviews and upgrades—once, after a mild exothermic spike in transit led to clumping, we modified container thickness and cooling protocols to prevent recurrence.

    Approaching Regulatory and Safety Considerations with Direct Experience

    We take compliance seriously—too many stories in the sector start with overlooked regulatory changes or delays caused by incomplete safety documentation. Our EHS team communicates directly with regulatory agencies, understanding local and international shipment requirements. Each batch of 3-nitropropiophenone moves only after the full panel of safety, transport, and usage documentation is reviewed. We follow global chemical control lists, and our labeling reflects every pertinent hazard classification—never omitting details for efficiency’s sake. Since regulations continually evolve, our approach stays dynamic; recent years brought stricter workplace exposure limits and new shipment notification requirements in multiple ports. Facing this head-on, we overhaul documents and retrain staff to ensure shipments glide through customs without delay or noncompliance risk.

    Improving Production Based on Customer Outcomes

    Every product batch out in the field helps us refine our methods further. Customers who report higher conversion rates and cleaner analytical data give us direct proof that controlled conditions matter. If a batch produces unexpected background in NMR spectra or minor color variations, the feedback circles directly to our formulation team. Our plant chemists gather these insights during technical visits and regular communications, documenting even minor procedural changes. A researcher from a European pharmaceutical group recently shared reaction yields that exceeded their earlier trials with material from a different supplier—demonstrating again that small differences in route control or drying method can shift downstream results. These stories underpin our constant drive to update equipment, adjust purification steps, and bolster our staff training programs.

    Pushing Beyond Minimum Standards in Manufacturing

    Working with larger multinational partnerships, we have seen that many sites only stick to baseline batch records and nominal adherence to QC. We go deeper. Rather than focusing on compliance minimums, our chemists explore process variables further, sampling at more frequent intervals, testing under varied humidity, and analyzing cross-batch trends. We have adopted machine-based binning and digital batch tracking, allowing us to spot deviations early and refine processes well before QA can flag any issue. Each of these improvements comes directly from everyday problem solving on our plant floor, where lessons are rarely theoretical and always grounded in the reality of synthesizing complex organics at scale.

    Collaborative Problem Solving with End-Users

    We routinely host technical exchange sessions, bringing together process engineers, R&D staff, and in-house quality managers. Ideas move fast at these meetings. For example, one team flagged difficulties dissolving earlier versions of our 3-nitropropiophenone in a polar organic system. Our formulation section investigated solubility regulators and developed a slightly modified recrystallization endpoint, which then solved the issue across multiple runs. Direct contact with users shortens the feedback loop and speeds up improvements. There is no substitute for real conversations about product behavior in someone else’s process stream, allowing our teams to tailor manufacturing directly to actual application demands.

    Lessons Learned from Troubleshooting and Process Audits

    Not every production cycle runs perfectly, and the strongest practices arise from the challenges faced. Years ago, a condenser malfunction led to minor trace contamination in a limited batch run. Recognizing the potential for long-term impact, we conducted a full trace of affected materials, pulled customer shipments, and instituted new control measures. Since then, proactive system integrity testing became standard before every campaign. Moreover, customer audits occasionally turn up opportunities for new safeguards or efficiency gains—and we always welcome these reviews. Our open-door policy results in findings that have led to better solvent filtration and the addition of real-time analytics to monitor endpoint reactions.

    Environmental Commitment in Nitro Compound Production

    Producing nitroaromatic chemicals carries unique environmental responsibilities. We have invested in waste recovery and solvent recycling units, based on the high volumes of process solvents used in producing and purifying 3-nitropropiophenone. Each process run tracks solvent volumes to optimize reuse, with studied efforts to cut waste by measurable increments each year. Staff at every level contribute suggestions, leading to steady progress. Recent implementation of catalytic reduction processes has substantially cut both energy use and off-gas emissions. Our experience shows that stewardship and good business align closely when the plant floor culture encourages resourcefulness.

    Supporting Researchers and Industrial Staff with Data and Context

    Our customer support doesn’t rest on templated datasheets. Regular technical discussions let us provide context—clarifying reaction compatibility, highlighting storage best practices, and addressing the subtleties of handling nitroketones in R&D or pilot plant settings. Scientists and process engineers reach out most often when scaling up a reaction, transitioning from milligram runs to kilogram lots. In those cases, our experience with process temperature ramp rates, agitation types, and floating phase conditions serve as real-world guides, not just numbers in a spreadsheet. Everything we share comes from hands-on trials or hard-won troubleshooting, not generic instructions.

    Reflecting on Market Shifts and Long-Term Value

    In recent years, changes in supply chain structures and global sourcing have made traceability more important. Some users recount frustrations with inconsistent quality from resellers, who often lack insight into the original production process. By operating as both manufacturer and technical resource, our team eliminates layers of uncertainty for every order. This transparency allows end-users to build procedures and project plans that won’t be undermined by unexpected changes in input quality. The cumulative effect over repeated campaigns—stronger yields, clearer analytical results, fewer delays—builds confidence both inside and outside our own facility.

    How Experience Guides Next-Generation Process Improvements

    Continual investment in staff development and new analytical technology keeps us on the leading edge. Over hundreds of runs, our operators develop instincts—spotting subtle shifts in color or solubility that signal reaction completion or incremental impurity growth. New engineers learn from their seasoned peers, gaining an appreciation for why certain order-of-addition steps matter in scale-up. We introduced automated spectrometry integration and advanced filtration modules, based on years of feedback and compounding improvements. Each enhancement comes not from committee-room theorizing, but from the hands-on drive to keep making our 3-nitropropiophenone more robust and easier to adopt.

    Building Trust: Looking Ahead

    In our experience, lasting supplier relationships build from proven reliability and open technical dialogue. Each customer, whether repeating small research runs or launching a new industrial product line, knows exactly how we produce, test, and support our 3-nitropropiophenone. The direct connection between our plant floor and the user’s bench or process reactor means fewer surprises, shorter troubleshooting cycles, and more shared insight into every challenge. We remain committed to not only keeping up, but anticipating developments in synthetic and process chemistry, so that every batch delivers the value, transparency, and performance our customers expect and deserve.