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2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole

    • Product Name 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole
    • Alias 2,5-Dimethyl-4'-nitro-1H-pyrrole
    • Einecs 629-711-6
    • 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

    291570

    Iupac Name 2,5-Dimethyl-1-(4-nitrophenyl)-1H-pyrrole
    Molecular Formula C12H12N2O2
    Molecular Weight 216.24
    Cas Number 134656-28-5
    Appearance Yellow to orange solid
    Melting Point 125-129°C
    Solubility Soluble in organic solvents such as DMSO and chloroform
    Purity Typically ≥98%
    Smiles CC1=CC=C(N1C2=CC=C(C=C2)[N+](=O)[O-])C
    Storage Conditions Store at room temperature, protected from light and moisture
    Synonyms 4-Nitrophenyl-2,5-dimethylpyrrole
    Hazard Statements May cause irritation

    As an accredited 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging is a sealed amber glass bottle containing 10 grams of 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole, labeled with chemical identifiers.
    Shipping 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole is shipped in tightly sealed containers, protected from light and moisture. The chemical is handled as a non-hazardous material under standard conditions, typically transported at ambient temperature. Proper labeling and documentation ensure safety and regulatory compliance during transit. Avoid exposure to strong oxidizing agents during shipping.
    Storage **Storage Description:** Store 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-pyrrole in a tightly sealed container, protected from light and moisture. Keep in a cool, dry, well-ventilated area, away from sources of ignition, strong oxidizing agents, and acids. Label clearly and use secondary containment to prevent spills. Handle with appropriate personal protective equipment and follow all chemical safety protocols.
    Application of 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole

    Applications of 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole in Industrial Manufacturing

    2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole is a functional intermediate in several advanced industrial sectors, valued for its role in targeted organic syntheses. As a direct manufacturer, we supply this raw material to specific downstream industries where its structural characteristics meet stringent application needs. Below, we detail its technical integration and compliance in various industrial scenarios.

    1. Specialty Dye and Pigment Synthesis for Electronic Displays

    Display and OLED manufacturers use this pyrrole derivative to synthesize high-performance pigments and dyes. Its electron-rich core supports the construction of advanced organic chromophores, which are critical for color purity and long-term stability in high-end electronic screens. Manufacturers integrate it at the intermediate stage for tailored molecular design and color adjustment.

    Industry compliance standards

    • RoHS (2011/65/EU) for heavy metals and restricted substances in electronics
    • REACH (EC 1907/2006) registration and notification for industrial chemicals in the EU
    • IEC 62471 for photobiological safety of lamps and lamp systems

    Typical usage ratio

    • 5–12% by mass in pigment precursor formulations; adjusted based on target wavelength and chromophore concentration

    Downstream process integration

    • Introduced after initial condensation to construct extended π-systems before metallization and purification
    • Reactive integration allows for direct substitution and further aromatization as required by downstream dye synthesis steps

    Final product types

    • Color filter dyes for TFT and AMOLED panels
    • High-purity organic semiconducting pigments in OLED devices
    • Advanced inkjet inks for micro-patterning color conversion layers

    2. Pharmaceutical Intermediate for Nitrophenyl-Substituted Therapeutics

    API manufacturers employ this compound as a synthetic intermediate in the preparation of pyrrole-based therapeutic agents, especially those requiring selective aromatic nitration. It supports downstream amide coupling and functional group manipulation under strict cGMP conditions, enabling production of small-molecule drugs for CNS and anti-inflammatory indications.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • U.S. Pharmacopeia (USP) and European Pharmacopoeia (Ph. Eur.) monograph requirements for API intermediates
    • 21 CFR Part 211 (FDA) for finished pharmaceuticals
    • EDQM CEP process documentation for supply chain transparency

    Typical usage ratio

    • 8–18% molar ratio in the core-building block stage; scaled according to final drug molecule design and yield requirements

    Downstream process integration

    • Enters at pyrrole coupling or nucleophilic substitution stage, followed by further functionalization and purification
    • Reaction carried out in controlled, validated reactor systems compliant with full traceability standards

    Final product types

    • Nitrophenyl-pyrrole custom building blocks for R&D and clinical batch production
    • Precursor compounds for heterocyclic therapeutic agents targeting inflammation or CNS disorders

    3. Advanced Polymer Additive for High-Performance Engineering Plastics

    Polymer manufacturers incorporate this pyrrole derivative into engineering plastics to enhance color stability and dielectric properties. Its nitrophenyl and methyl substituents support copolymerization processes, resulting in advanced resins with specific electronic and mechanical functionalities. Specialty plastics producers integrate this component under tightly controlled process conditions to maintain quality consistency in demanding applications such as connectors and casings.

    Industry compliance standards

    • UL 94 for plastic flame retardancy
    • ISO 9001:2015 for quality management in manufacturing
    • IEC 60216 for evaluation of thermal endurance properties
    • RoHS compliance for electronic component applications

    Typical usage ratio

    • 2–6% by polymer mass in masterbatch formulations; adjusted according to target dielectric and color properties

    Downstream process integration

    • Melt-blended with polyimides, polycarbonates, or high-performance copolymers during reactor feed
    • Often incorporated with other monomeric or oligomeric additives for enhanced property synergy

    Final product types

    • Connector and switch housings in automotive and electronics
    • Components for high-frequency communication devices
    • Dielectric films and low-loss plastics for technical laminates

    4. Fine Chemical Precursor for Agrochemical Synthesis

    Agrochemical producers use this compound during the synthesis of targeted pyrrole-based fungicides and herbicides. Its nitro group activation and methyl substitutions facilitate selective halogenation and coupling reactions needed in modern crop protection agents. Integration occurs under process controls required by environmental and safety regulations for the agrochemical sector.

    Industry compliance standards

    • FAO/WHO Joint Meeting on Pesticide Specifications (JMPS) requirements
    • ISO 17025 certified laboratory QC for batch release
    • REACH preregistration for intermediates used in European agriculture
    • EPA (40 CFR part 172) tolerance and registration requirements (US)

    Typical usage ratio

    • 3–7% by mass depending on target molecule; exact level tailored based on desired active ingredient purity and crop application

    Downstream process integration

    • Entry during initial pyrrole ring formation or at selective halogenation and nitro reduction stages
    • Subsequent conversion to final active through amide bond formation and functionalization

    Final product types

    • Pyrrole-derived herbicide actives for broad-field applications
    • Fungicide intermediates for crop protection
    • Seed treatment chemical agents
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    Certification & Compliance
    More Introduction

    2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole: A Closer Look from the Manufacturer’s Bench

    Wired for Performance in Advanced Synthesis

    The chemical industry keeps moving forward on the shoulders of true molecular workhorses. Manufacturing 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole takes dedication to detail, relentless purity protocols, and real-world experience with controlled reactions. Our facility produces this compound through selective nitration routes, managing reaction environment, temperature, solvent selection, and isolation steps to meet the narrow requirements set by downstream high-value users.

    Each batch runs through consistent monitoring, both in-process and post-synthesis. Contaminants such as unreacted starting materials, unwanted isomers, or trace metals can pose serious bottlenecks in research and scale-up fields. We address these by careful reagent selection and chromatography, guided by gas chromatography and HPLC data collected from every lot.

    Understanding the Structure and Properties That Matter in Real-World Use

    2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole stands out for one clear reason: it brings together two methyl groups at the pyrrole’s 2 and 5 positions and a nitrophenyl group on the nitrogen. This yields a molecule ready for further elaboration, particularly in organic electronics, specialty pigment research, and pharmaceuticals. Laboratories count on this scaffold when researchers look to develop optoelectronics where precise electron distribution from its substitution pattern supports functional diversity and stability.

    Our teams discovered early that moisture and light have adverse impacts on shelf-life and usability. Storing the finished material in amber bottles under nitrogen, coupled with low humidity atmospheres, preserves reactivity—no one can afford a ruined reaction because the starting material grew stale or partially decomposed on the shelf. It only takes one run spoiled by lazy packaging or lack of care to put that lesson into company-standard practice.

    Specifications You Can Rely On, Built on Real Experience

    Producers of 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole quickly learn that customers ask about melting point, purity (typically over 98 percent), and form—powder, often with a yellow hue from the nitroaromatic ring. We target a defined melting range, not just a single data point, because variability can hint at co-crystallized impurities.

    Analytical chemistry isn’t a checkbox. Our staff includes synthetic chemists who insist on NMR verification and mass spectrometry, not simply TLC or quick spot tests. Real industrial buyers and research scientists need results they trust, and for every customer who values price, there is another that values consistency and documented proof. For bulk orders, our protocol includes random sampling from multiple drums—purity drift over a production campaign gets caught at this stage, not after the fact.

    Applications: Where This Compound Finds Its Value

    Why all this diligence? Because applications push the boundaries of what chemists and material scientists expect from a simple-looking molecule. In organic semiconductors, researchers use it as a precursor for conjugated polymers, tuning energy levels for optimal performance in devices like solar cells and OLED panels. Its sharp electronics and chemical stability suit R&D settings pushing for new classes of active materials; no one designing a photoactive thin film wants the headache of unexpected side-reactions from a source chemical that falls outside a tight specification window.

    Beyond optoelectronics, the molecule’s skeleton enters the world of specialty dyes. The combination of electron-rich pyrrole and a nitro group influences absorption properties, widely appreciated by those refining stains or tagging compounds. Chemistry teachers enjoy explaining to their students that the nitrophenyl group alters the absorption spectrum, opening paths to novel visualization in compound libraries and histological work.

    Medicinal chemists notice the structure for late-stage functionalization, drawn by the unique placement of the nitro and methyl groups. They look for opportunities to dial in selectivity toward enzyme targets or receptors, enabled by the well-designed balance of electron-donating and -withdrawing groups in the ring system. Microgram accuracy gets attention at assay scale, while kilo quantities make an impact at pilot and process development runs. Many discovery programs rely on our variant to fill in SAR (structure-activity relationship) maps for new leads.

    What Sets This Compound Apart?

    Several alternatives surf the same niche in the industry. Some laboratories opt for unsubstituted pyrroles or swap out the nitro for halogen or alkyl tails. Each option shifts the electronic profile, but adding methyl groups at the 2 and 5 position increases stability against oxidative decomposition, a property we verify batch by batch. The 4-nitrophenyl substituent confers predictable reactivity whenever coupling, reduction, or nucleophilic aromatic substitution reactions occur. This dual modification gives more handles for downstream chemistry, boosting applicability where bespoke molecule construction matters most.

    Competitors sometimes shortcut purification to lower production costs. Our experience shows that even minor impurities leave fingerprints in device performance and bioassay drift—only years of hands-on troubleshooting hammer home the true importance of spending a little more time at recrystallization or chromatographic upgrades. Regret arrives fast from cutting corners, particularly for users who demand reproducible downstream transformations.

    Solving Consistency and Safety Challenges

    Working daily with this chemistry reveals a few standard hurdles: batch variation, safety, and waste management. Manufacturing brings risks from volatile solvents, handling dust, and exposure to nitroaromatics. Our plant staff wear protective gear, operate ventilated drying stations, and audit air quality to guarantee both operator safety and high product yield. Taking the time to automate transfer lines for bottling reduces both exposure and product loss.

    Process optimization sessions incorporate root cause analysis; a small shift in solvent pH or reaction order led to previously unexplained variation in yield and color years back. Aggressive investigation, backed by side-by-side small-scale runs, eliminated sources of hidden degradation. Sharing these internal corrections doesn’t only benefit our team—it reflects directly on clients who depend on our documentation in their regulatory filings and patent submissions.

    Minimizing Environmental Footprint Through Smarter Design

    Waste management drives several of our innovation projects. Nitro-containing byproducts demand responsible treatment and tracking, especially when local requirements tighten. Implementing closed-loop nitrogen systems and routine solvent recovery schedules keeps both environmental risk and production cost under control.

    Choosing greener solvents and avoiding chromium-based catalysts across our batch and continuous processes has brought success in minimizing heavy metal discharge. Even as a specialty chemical provider, we balance cost and responsibility; the right improvements protect the community and streamline compliance audits. No engineer wants to face a surprise inspection unprepared—we build waste treatment into the day-to-day SOPs at the bench and in the plant.

    Building Trust Through Traceability and Communication

    Customers purchasing 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole often ask for extensive documentation: Certificates of Analysis, chromatographic fingerprints, even original lab notebooks when due diligence stretches beyond normal requirements. Clients trust our production not only for regularity but also for an open-door policy on deviations, OOS (out-of-specification) events, and recalls. Mistakes rarely hide for long at scale, and the willingness to admit them and share root causes keeps relationships strong.

    We rely on digital batch records, barcode tracking, and integrated MES (manufacturing execution systems) to connect every final drum or bottle with its exact origin. Plant operators and QA supervisors meet weekly to review any complaint, QA deviation, or process scrap; this ritual forms the backbone of ongoing improvement. End-users feel the benefit in seamless procurement cycles, reduced paperwork at handover, and the knowledge that their project’s chemical starting point proves reliable week after week.

    Differentiating Through Innovation and Customer Satisfaction

    Chemists in the lab and on the line don’t rest easy chasing old methods. Every year brings fresh application notes, patent filings, and collaboration requests from established clients. We thrive on pilot runs, test orders for new functionalized derivatives, and joint development agreements that place our material in the heart of innovation pipelines worldwide. Our record in rapid scale-up from gram to kilogram batches has brought growth without sacrificing the attention to detail lab designers and product teams demand.

    Clients return because they know we act on feedback. A faint off-color product or a slight drop in purity percentage does not disappear into a black hole. We call, email, and visit in person to trace every complaint, often finding opportunities to tweak our processes or adjust logistics. Collaborators seeking new synthetic routes receive samples hand-prepared and tested at the bench, reporting back data that feed the next round of improvements. Our people—operators, chemists, and managers—run a culture built on respect for the work and the end-user.

    Supporting the Next Generation of Science

    From academia to industrial R&D, students and postdocs join the roster of our regulars, seeking reliable supply for advanced coursework or thesis research. We support this next generation by meeting their budgets and timelines without compromising quality. Educational institutions receive the same product, certification, and safety documentation that corporate partners get. Supporting scientific curiosity reflects our broader mission: sustaining reliable access to challenging chemistry.

    The Road Ahead

    True competitive edge in the field of fine chemicals like 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole grows from hard-won experience. Whether optimizing a synthesis for that extra percent yield or investing in new process controls, every step in production reflects hundreds of conversations with the users whose discoveries depend on each molecule’s reliability.

    Innovation doesn’t end at release: follow-up, analysis, and a willingness to reinvent workflows turn basic building blocks into engines of progress. The markets for next-generation materials, specialty colorants, and advanced bioactive compounds await input from suppliers who learn and adapt at the molecular scale. Every bottle tells a story written by its production, refinement, and delivery to those pioneering new frontiers in chemistry.

    Conclusion: Bringing Reliability, Innovation, and Integrity to Specialty Chemical Manufacturing

    Our journey with 2,5-Dimethyl-1-(4-Nitrophenyl)-1H-Pyrrole mirrors the broader path of modern chemical manufacturing: balancing safety, consistency, responsiveness, and progress while never losing sight of the chemist’s touch and the end-user’s goals. Transforming raw materials into value—measured not only in purity, but in each experiment advanced and each discovery fueled—shapes every batch leaving our plant. The relationships formed through accountability, communication, and ongoing technical support form the true signature left behind on the world’s next innovations.