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2,4-Dimethyl-3-Ethyl-1H-Pyrrole

    • Product Name 2,4-Dimethyl-3-Ethyl-1H-Pyrrole
    • Alias 2,4-Dimethyl-3-ethylpyrrole
    • Einecs 620-672-0
    • 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

    819677

    Chemical Name 2,4-Dimethyl-3-ethyl-1H-pyrrole
    Molecular Formula C8H13N
    Molecular Weight 123.19 g/mol
    Cas Number 80784-36-9
    Appearance Colorless to pale yellow liquid
    Boiling Point 191-193°C
    Density 0.91 g/cm³
    Solubility Slightly soluble in water; soluble in organic solvents
    Refractive Index 1.495
    Flash Point 70°C
    Smiles CC1=C(C(=CN1)C)CC
    Pubchem Cid 176404
    Stability Stable under recommended storage conditions
    Storage Conditions Store in a cool, dry, and well-ventilated place

    As an accredited 2,4-Dimethyl-3-Ethyl-1H-Pyrrole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 100 grams of 2,4-Dimethyl-3-Ethyl-1H-Pyrrole, labeled with hazard warnings and product identification.
    Shipping 2,4-Dimethyl-3-Ethyl-1H-Pyrrole should be shipped in a tightly sealed, chemical-resistant container under dry, cool conditions. Protect from light, heat, ignition sources, and moisture. Follow all local and international regulations for hazardous materials. Proper labeling and documentation are required, and transport should comply with applicable safety guidelines and standards.
    Storage Store 2,4-Dimethyl-3-Ethyl-1H-Pyrrole in a cool, dry, well-ventilated area, away from sources of ignition and incompatible materials such as oxidizers and acids. Keep the container tightly closed, protected from light, and labeled. Avoid moisture exposure. Use only with appropriate chemical-resistant gloves and eye protection. Ensure spill containment and proper ventilation in the storage area.
    Application of 2,4-Dimethyl-3-Ethyl-1H-Pyrrole

    Applications of 2,4-Dimethyl-3-Ethyl-1H-Pyrrole in Industrial Manufacturing

    2,4-Dimethyl-3-Ethyl-1H-Pyrrole is an essential specialty pyrrole derivative for high-value synthesis in regulated chemical industries. Our facility supplies this material for consistent use in downstream production pipelines where precision, traceability, and specific chemical performance are required. Below are detailed industrial application scenarios based on real market demands and compliance frameworks.

    1. Pharmaceutical Intermediate for Advanced Heterocyclic APIs

    Pharmaceutical manufacturers use this compound as a building block in the targeted synthesis of complex heterocyclic APIs, especially in the development of anti-infective and central nervous system drugs. The strict regulatory environment requires full traceability and robust impurity control from raw material stage to finished dose. Our material integrates at the early condensation or cyclization stages of the synthetic route, impacting final purity profiles and isomer distributions.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice
    • 21 CFR Part 211 (US FDA)
    • EU GMP EudraLex Volume 4
    • Chinese Pharmacopoeia (ChP) for starting chemicals

    Typical usage ratio

    • 8–18% molar ratio in key intermediate couplings; final ratio depends on process stoichiometry and API target yield

    Downstream process integration

    • Introduced during initial heterocycle assembly under controlled temperature and solvent-specific conditions
    • Integrated into multi-step batch or continuous API synthesis platforms

    Final product types

    • Pyrrole-based API intermediates
    • Final APIs for CNS disorders
    • Antimicrobial drug precursors
    • Contract-manufactured regulatory starting materials

    2. High-Purity Pigment Synthesis for Electronic Inks

    Electronic and specialty ink producers incorporate this compound as a core monomer in the manufacturing of advanced pyrrole-based pigments. These pigments support high-definition printing for flexible OLED displays and conductive circuit elements, where small impurity levels can drastically affect display quality and conductivity. Our manufacturing practices deliver required batch-to-batch consistency for these demanding electronics applications.

    Industry compliance standards

    • RoHS 2 Directive (2011/65/EU)
    • EN 61340 (Anti-Static Control)
    • JEITA ED-4701 (Electronic Device Reliability Test Standards)
    • DIN EN ISO 9001:2015

    Typical usage ratio

    • 5–12% weight ratio in co-polymer mix for pigment core; adjusted based on target color intensity and electrical resistance

    Downstream process integration

    • Added at the monomer phase in pigment copolymerization reactors
    • Pre-mixed with other pyrrole derivatives to tailor electronic and visual properties

    Final product types

    • Conductive pigments for printed electronics
    • Electronic ink jet formulations
    • OLED color filter layers
    • Photo-curable pigment dispersions

    3. Organic Semiconductor Precursor in Functional Polymer Production

    Advanced material manufacturers use this compound as a precursor to high-performance functional polymers, targeting organic semiconductor, thin-film transistor, and sensor element production. The compound introduces electron-donating properties adjusted for charge mobility and stability under thermal and UV exposure. Polymerization control and substrate compatibility demand traceable sourcing and thorough compositional analysis at the commercial scale.

    Industry compliance standards

    • REACH Regulation (EC 1907/2006)
    • UL 94 Flammability Standards
    • IEC 62899-202 (Printed Electronics Standards)
    • ISO 14001 (Environmental Management Systems)

    Typical usage ratio

    • 6–16% monomer content by weight in functional copolymer synthesis; adjusted for target electrical parameters and layer thickness

    Downstream process integration

    • Dosed directly into solvent-phase polymerization batches
    • Entered into continuous reactor systems for poly-pyrrole block copolymer production

    Final product types

    • Organic thin-film transistor substrates
    • Flexible circuit board coatings
    • Wearable electronic sensor layers
    • Polymeric conductive adhesives

    4. Advanced Aroma Ingredient for Fine Fragrance Formulation

    Authorized aroma chemical manufacturers employ our pyrrole derivative in the creation of sophisticated fine fragrance base notes, particularly in luxury perfumery and niche aroma compositions. Its pyrrolic nuance adds depth and warmth while supporting overall olfactory stability, but needs strict compliance with global fragrance regulations and allergen reporting to meet international shipment and label requirements.

    Industry compliance standards

    • IFRA Standards (International Fragrance Association)
    • EU Cosmetics Regulation (EC No 1223/2009)
    • REACH Annex XVII for allergen traceability
    • US TSCA compliance for commercial aroma ingredients

    Typical usage ratio

    • 0.01–0.10% mass ratio in complete concentrate blend; final level refined by panel testing, regulatory limit, and fragrance type

    Downstream process integration

    • Blended during headspace oil compounding under controlled environment
    • QC validated before bulk dilution and filling for finished perfumery

    Final product types

    • Fine fragrances (edp/edt/edc)
    • Luxury aroma accord bases
    • Personal care signature scents
    • Air care and ambient diffusers with naturalistic profiles

    5. Functional Dye Manufacturing for Diagnostic Imaging

    Producers of specialty dyes for life science and medical imaging select our pyrrole derivative as a key precursor in the synthesis of high-sensitivity contrast agents and indicator dyes. The strict oversight of biological compatibility, photostability, and GMP batch traceability, especially for injection or tissue-contact use, requires a material supply chain that supports full regulatory documentation and reproducible performance data.

    Industry compliance standards

    • USP/NF for pharmaceutical excipients and reagents
    • ISO 13485:2016 (Medical Device Manufacturing QMS)
    • 21 CFR Part 820 (FDA QSR for medical devices)
    • OECD Guidelines for the Testing of Chemicals

    Typical usage ratio

    • 3–9% weight fraction in dye precursor mixtures; ratio based on target molecular structure and absorption spectrum

    Downstream process integration

    • Added at the precursor assembly stage for dye core synthesis
    • Enters fine purification and crystallization modules under GMP

    Final product types

    • Contrast dyes for MRI and fluorescence imaging
    • Histological tissue marker dyes
    • Flow cytometry indicator reagents
    • ICG analog preparations for surgical applications

    6. Specialty Corrosion Inhibitor Additives in Lubricant Formulation

    Lubricant additive developers utilize this compound to synthesize high-performance inhibitors for premium industrial and transportation lubricants. The aromatic pyrrole backbone contributes to enhanced oxidative stability and minimal interaction with metal surfaces. Product batches undergo rigorous analytical control to support global export and regulatory acceptance in target markets.

    Industry compliance standards

    • DIN 51517-3 (Industrial Lubricants)
    • ASTM D4951 (Lubricant Additive Content)
    • SAE J183 (Engine Oil)
    • REACH registration for chemical substances

    Typical usage ratio

    • 0.05–0.35% additive package content in fully formulated lubricant, adjusted for base oil type and user application

    Downstream process integration

    • Dispersed in additive concentrate blend before final lubricant compounding
    • In-line metering with continuous QC verification for metal compatibility

    Final product types

    • Heavy-duty engine lubricants
    • Gear and transmission oils
    • Precision machinery greases
    • Marine corrosion-inhibiting lubricants
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    Certification & Compliance
    More Introduction

    Introducing 2,4-Dimethyl-3-Ethyl-1H-Pyrrole: A Reliable Choice for Skilled Chemists

    Working with 2,4-Dimethyl-3-Ethyl-1H-Pyrrole at the Source of Production

    Inside the production line, the unique aroma of 2,4-Dimethyl-3-Ethyl-1H-Pyrrole signals progress. Chemists know this is not just another pyrrole derivative. Experience has shown how purity and consistency influence success during synthesis, especially when handling heterocyclic building blocks. Our team has refined every batch, drawing on years of hands-on processing. Each vessel run brings deeper understanding of its structure: three alkyl substituents attached to the pyrrole ring. The subtle branching at the 2-, 3-, and 4-positions distinguishes this molecule from simpler analogs. By manufacturing at scale, we eliminate common batch-to-batch inconsistencies that frustrate research and specialty applications.

    Physical Properties and the Manufacturer’s Perspective

    Through repeated experience, we have noted details that never appear in summaries—how 2,4-Dimethyl-3-Ethyl-1H-Pyrrole responds under routine conditions. Temperature control remains crucial during distillation, as these pyrrole derivatives tend to resist easy separation once impurities creep in. The color appears faintly yellowish when coming off the reactor at peak purity; even a slight deviation introduces tints and odors that skilled technicians notice immediately. Specifications such as boiling point and melting range have become more than numbers—they are the result of countless hours observing product behavior on lab scales and in tonne lots.

    Compared to basic pyrrole, the structural changes affect both the material handling profile and the reactivity. This compound, with its dual methyl groups and a single ethyl group, shows a subtle shift in solubility in typical organic solvents. For the synthetic chemist in the lab, this makes it a tool for selective functionalization projects or cyclization reactions. Our work on solvent compatibility means less residue during crystallization and higher yields during downstream reaction steps. We do not tolerate odors hinting at decomposition, since pyrrole derivatives degrade if exposure to air or light is uncontrolled. All product leaving our filling stations undergoes rapid QC, and our shipping department recognizes off-spec bottles by scent alone.

    Why Molecular Specifications Matter for the End User

    Those with direct experience in chemical manufacturing rarely care for abstract technical promises. What matters over hundreds of syntheses is batch reliability. Inconsistent lots of 2,4-Dimethyl-3-Ethyl-1H-Pyrrole throw off yields and cause wasted reagents, especially in fine chemical production. The model we supply adheres to strict protocols developed in-house. Analysts working in our QC department have spotted the smallest contaminant peaks using high-resolution GC and NMR. We stand by documented purities above 98% for qualified lots, backed by actual instrumental data we see every day. Sophisticated users can request a technical dossier with full chromatograms, reflecting our belief that transparency in manufacturing makes downstream work more predictable.

    Some colleagues mention that similar pyrrole products from overseas may promise performance at lower price points. In our experience, differences become apparent when scaling up synthesis. Impurities found in cheaper material—such as non-volatile starting components—result in more time spent on subsequent purification. Years of feedback from pharmaceutical and dye manufacturers tell us: starting with a cleaner, consistent compound saves hours later. This direct manufacturing perspective shapes our understanding. Synthesis campaigns that rely on 2,4-Dimethyl-3-Ethyl-1H-Pyrrole benefit from steady supply, strict impurity limits, and support from a team that can troubleshoot anomalies immediately.

    Manufacturing Process and Quality Control: Insights from the Floor

    Our process starts with sourcing of starting materials under controlled contracts, so input variations never pass unnoticed. Every reactor cleaning and transfer step receives documentation. We have witnessed the impact of small inconsistencies in alkylation steps, especially when minor temperature variations creep in during reaction exotherms. The team on shift knows the precise moment to quench to control formation of side isnomers. Those years of direct contact—measuring, observing, making mid-run adjustments—result in reliable product. Post-processing involves fractional distillation under inert conditions. This is less about technical jargon and more about noticing when even the smell or viscosity of a distillate seems "off." Only batches that pass our in-house analytical review make it to the final containers.

    We do not rely solely on automated screening. Manual inspection persists, because experienced eyes and noses have caught mistakes missed by early instrument alerts. Real-time queries from customers push our QC group to reexamine historic lots. We maintain a retention sample library going back years, so trends in trace byproducts become apparent across time. This long-term vigilance keeps our material true to specification and avoids recalls or delayed shipments. For any complaints, our technical group traces production variables from raw input to finished bottle.

    Why Users Select This Product for Research and Manufacturing

    Synthesis professionals turn to 2,4-Dimethyl-3-Ethyl-1H-Pyrrole for good reason. Its branched alkyl chains change both steric profile and electronic character, allowing selective access to downstream heterocycles. In our experience supporting agrochemical, pigment, and electronic material clients, this advantage is clear. When constructing complex nitrogen heterocycles, substituent positioning governs which bonds activate and where functional groups land. Dozens of projects across years reveal that starting with a compound whose purity and consistency are assured ultimately means less frustration at pilot or commercial scale.

    Researchers working with catalytic cyclization or coupling strategies need assurance that no contaminant, even below 1%, will quench a catalyst or produce unwanted byproducts. Several accounts describe competitors’ products introducing persistent trace water or amine residues, forcing repeated drying or column work. By maintaining tight control each step, we keep water, peroxides, and related basic impurities at bay. As a result, academic collaborators and industrial scale-up teams avoid delays when moving from screening to kilo-lab production.

    The Distinguishing Features: Experience-Based Observations

    The difference between 2,4-Dimethyl-3-Ethyl-1H-Pyrrole and related compounds hinges on the location and type of alkyl groups. Chaining the methyls at the 2- and 4-positions, with ethyl at the 3-spot, protects against rapid oxidation and tailors reactivity. Chemists using mono-alkylated or fully linear pyrroles often report greater handling losses or side reactions in oxidative steps. Our records confirm that downstream yields benefit from precisely this substitution pattern, especially for advanced dye intermediates or high-value fine chemicals. Companies struggling with inconsistent product appearance or unexplained GC spikes find improvement with our stricter granularity in isolates.

    We recognize that for many users, switching starting material mid-stream means risking both cost and timeline disruptions. We have received direct feedback from R&D scientists who noticed their lab work proceeds more smoothly with material produced using our method versus unnamed imported lots. Access to open discussion with the source, rather than an intermediary, also allows for custom requests—such as different packaging to reduce air exposure or tailored batch sizes according to run rate. Any subtle difference in product feel, color, or storage behavior triggers a deeper look at our own supply chain and procedures.

    Applications: How Skilled Chemists Employ This Pyrrole Derivative

    True application stories inform our manufacturing approach. Customers regularly apply 2,4-Dimethyl-3-Ethyl-1H-Pyrrole in pyrrole-annulated macrocycle synthesis as well as in specific pigment and organic electronics research. We have supported fine-tuning of conditions for condensation with sophisticated aldehydes or ketones, leading to functional materials in display and sensor prototypes, because of reliable product consistency across batches. Upstream quality translates directly into more predictive process development.

    Not all pyrrole derivatives perform equally in these settings. Maintaining an unbroken cold chain matters for stability, and our logistics partners receive hands-on training for perishable products. We store all outgoing drums in humidity- and light-controlled environments, informed by instances when surface degradation reduced reaction efficiency at customer sites. Much of this handling protocol comes from trial, error, and dialogue with downstream users. Our experience underlines that the full potential of this molecule shines only if it arrives unchanged after long transit.

    Comparisons Based on Years of Customer Collaboration

    Customers in specialty manufacturing notice differences right away. Subtle solvent carryover can block optimal reactivity. Awareness of these pitfalls guides our team to apply extra vacuum stripping or add a final recrystallization step. Some manufacturers rely on spot checks, but thoroughness remains our culture. Several clients over the last decade highlight marked improvement in both throughput and final product stability switching to our named material. This is not marketing—it is feedback collected, logged, and acted upon during troubleshooting visits and technical support calls.

    Medicinal chemists appreciate full traceability, since regulatory filings require documentation not only of batch purity but also of precursor chain-of-custody. Direct manufacturing lets us provide all relevant certificates without the uncertainty that sometimes surrounds multi-stage distribution. We offer the same detailed records to industrial partners pursuing ISO or GMP compliance. Any time a question arises concerning shelf life or reactivity, our technical staff traces the question back to its source, providing detailed, product-specific answers rather than broad assurance. We have learned through experience: responsiveness and willingness to examine the production trail builds trust, especially in high-stakes synthesis projects.

    Challenges and Solutions in Maintaining Product Excellence

    No chemical manufacturing timeline proceeds without surprises. Over the years, we have faced material shortages, shifts in global logistics, and volatile pricing of core starting reagents. Such events test the stability of every sourcing protocol. We solved sporadic bottlenecks not through quick substitutions, but by partnering directly with long-standing raw material suppliers who understand that any impurity introduced upstream will be magnified down the production chain. Every challenge led us to tighten incoming QC, add supplier audits, and increase in-process monitoring. Sites using our product have reported improved reliability ever since.

    Maintaining stability during long storage or transit also presents tangible issues. Air permeation, even at low levels, can introduce peroxides or discolor the product. Years of observing bottles stored under differing lab conditions taught us to specify packaging that truly protects against light and atmosphere, rather than relying on traditional lab glassware. Users in humid climates receive humidity-resistant drums; researchers working with single-use aliquots benefit from our ability to pre-weigh and package according to their exact run size. These adaptations grow out of a feedback loop between direct users and our process team. There is no better instructor than an unexpected shelf-life failure or a ruined reaction after long transit.

    Direct Production Insights: What We Avoid

    Not all practices equalize risk or reward. Some competitors cut steps on filtration, shortening cycle times or reducing energy costs. We know from firsthand evidence that rushed filtration leaves micron-scale impurities, introducing headaches for users downstream. Our plant team built a slower, multi-stage purification train, sacrificially lowering throughput in exchange for consistent clarity and purity. In the long run, this has won praise from customers who “could taste the difference,” as one pigment manufacturer said during a visit to our plant floor.

    We also shun large, multi-purpose batch reactors when producing this material. Cross-contamination between products causes hard-to-remove byproducts. Our team invested in dedicated equipment for pyrrole derivative production and frequently inspects lines for carryover. This hands-on diligence, not general best practices, truly answers customer demand for repeatability.

    Our Ongoing Commitment: Lessons Learned Over Time

    Being a direct manufacturer means more than just shipping bottles. It means learning from every client who encounters a processing challenge and responding without passing the buck. The close connection to everyone who uses 2,4-Dimethyl-3-Ethyl-1H-Pyrrole in vitro or in batch facilities, in pigments or electronics or medical research, reveals the real world importance of steadiness and adaptability. Sometimes our best process improvements start with an offhand observation from a plant operator or a lab technician, rather than a formal R&D note. We keep these conversations open, because each one deepens our product expertise.

    Continuous technical training, investment in better analytics, and pride in hands-on knowhow undergird every batch. Troubleshooting does not end at the factory gate. We track every report from shipping to storage to end use. Many advances in packaging, labeling, and product information flow straight from listening to seasoned chemists who know what a “good” lot looks and smells like. That open pipeline of practical knowledge—granted by close manufacturer-user relationships—keeps our production a step above routine.

    Our Knowledge, Your Results

    Supplying 2,4-Dimethyl-3-Ethyl-1H-Pyrrole from the manufacturing source means offering deep expertise earned on the factory floor and in the lab, rather than relying on generic marketing. Years of focused production, tight feedback with working chemists, and relentless attention to detail have shaped a product line born for practical, high-value work. Every bottle shipped carries lessons from thousands of careful syntheses and the back-and-forth guidance that only a direct manufacturing relationship supports. Working with informed users means rising to high expectations—and delivering reliable, clean material again and again.