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(E)-2-(2-Nitroethenyl)Thiophene

    • Product Name (E)-2-(2-Nitroethenyl)Thiophene
    • Alias (E)-2-(2-Nitrovinyl)thiophene
    • Einecs 696-239-9
    • 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

    528793

    Chemicalname (E)-2-(2-Nitroethenyl)Thiophene
    Molecularformula C6H5NO2S
    Molecularweight 155.18 g/mol
    Casnumber 60191-08-2
    Appearance Yellow to orange solid
    Meltingpoint 87-90°C
    Solubility Soluble in organic solvents such as DMSO and ethanol
    Smiles C1=CSC(=C1)/C=C/N(=O)=O
    Inchi InChI=1S/C6H5NO2S/c8-7(9)4-5-6-2-1-3-10-6/h1-5H/b5-4+
    Iupacname (E)-2-(2-nitroethenyl)thiophene

    As an accredited (E)-2-(2-Nitroethenyl)Thiophene 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 5 grams of (E)-2-(2-Nitroethenyl)thiophene, tightly sealed with a screw cap and proper hazard labeling.
    Shipping **Shipping Description:** (E)-2-(2-Nitroethenyl)thiophene should be shipped in tightly sealed, chemical-resistant containers, protected from light, heat, and moisture. Package in accordance with local, national, and international regulations for organic nitro compounds. Label appropriately as a potentially hazardous substance. Handle with care to avoid leaks, spills, and exposure during transport.
    Storage (E)-2-(2-Nitroethenyl)thiophene should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from sunlight, heat sources, and incompatible materials such as strong oxidizers and reducing agents. Handle under an inert atmosphere if sensitive to air or moisture. Store at room temperature or as indicated by the supplier, following all relevant safety and regulatory guidelines.
    Application of (E)-2-(2-Nitroethenyl)Thiophene

    Applications of (E)-2-(2-Nitroethenyl)Thiophene in Industrial Manufacturing

    (E)-2-(2-Nitroethenyl)Thiophene serves as a specialty intermediate for advanced materials and fine chemicals. As a direct manufacturer, we focus on its integration in industrial-scale synthesis for key downstream sectors. The following application scenarios detail its practical roles, industry standards, and downstream utilization.

    1. Organic Semiconductor Material Synthesis

    In organic electronics, (E)-2-(2-Nitroethenyl)Thiophene is a crucial monomer precursor for fabricating conjugated polymers used in thin-film transistors and organic photovoltaic devices. Synthesis relies on its high reactivity for Stille or Suzuki coupling reactions, enabling insertion at the functional block step and facilitating controlled chain extension. Purity and batch consistency directly impact charge mobility and final device characteristics.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for raw material suppliers
    • RoHS Directive 2011/65/EU for electronics materials
    • IEC 62607-4-1:2015 for semiconducting materials quality
    • REACH Regulation (EC) No 1907/2006 registration

    Typical usage ratio

    • 5–20 mol% as comonomer, based on polymer design requirements and target optical/electronic properties

    Downstream process integration

    • Integrated during the monomer feed stage in catalyst-assisted polymerization reactors
    • Direct dissolution in pre-reactor solvent systems to minimize oligomerization

    Final product types

    • Organic thin-film transistors (OTFTs)
    • Organic photovoltaic (OPV) devices
    • Light-emitting diodes (OLEDs)
    • Semiconducting polymer dispersions

    2. Pharmaceutical Intermediate for Heterocyclic Compound Synthesis

    (E)-2-(2-Nitroethenyl)Thiophene provides an essential building block for creating diverse thiophene-containing scaffolds in pharmaceutical R&D. Medicinal chemistry utilizes its nitroethenyl group for selective reduction and substitution, forming key heterocycles and potential antimicrobial or anticancer drug leads. Stringent analytical control ensures compliance for regulated synthesis.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP General Chapter <1086> for impurities profiling
    • Ph. Eur 10th Edition for pharmaceutical grade raw materials
    • OECD Guideline 420 (Acute Toxicity)

    Typical usage ratio

    • Monomer or core intermediate, 1–1.5 stoichiometric equivalence in one-pot heterocyclization or cycloaddition entries

    Downstream process integration

    • Applied in Grignard or palladium-catalyzed condensation steps
    • Reacted in protected environment under controlled anhydrous conditions

    Final product types

    • Antifungal precursor compounds
    • Potential kinase inhibitor intermediates
    • Custom small-molecule drug candidates
    • Thiophene-based pharmacophores

    3. Advanced Dye and Pigment Manufacture

    Dye and pigment industries leverage (E)-2-(2-Nitroethenyl)Thiophene as a structural modifier during colorant synthesis. Its electron-accepting nitro group enhances bathochromic shift and colorfastness in specialty yellow, orange, and red pigments. Industrial dyestuff processes optimize its molar ratio to tailor chromophore intensity and achieve desired pigment stability.

    Industry compliance standards

    • EN 71-3:2019 for pigment safety in applicable end-uses
    • ISO 787/24 on chemical analysis of pigments and extenders
    • REACH Annex XVII restrictions for azo colorants
    • ISO 8124-3:2020 for colorant toxicology in toys

    Typical usage ratio

    • 3–10% mass percentage in the pigment synthesis feedstock, adjusted for target absorbance and lightfastness

    Downstream process integration

    • Fed during the azo coupling or condensation stage under reflux conditions
    • Co-dissolved with other chromogenic agents in solvent blend prior to precipitation

    Final product types

    • High-performance organic pigments
    • Specialty printing inks
    • Textile and plastic dyes with enhanced photo-stability
    • Electronic display colorants

    4. Specialty Chemical Synthesis for Explosive Precursors

    The nitro functionality on (E)-2-(2-Nitroethenyl)Thiophene offers a reactive handle for manufacturing advanced intermediates in approved energetic material formulations. Controlled processes utilize it under precise temperature and atmospheric conditions for the synthesis of specialty additives and stabilizers in the explosives sector, emphasizing regulatory adherence and batch traceability.

    Industry compliance standards

    • UN Recommendations on the Transport of Dangerous Goods (Model Regulations)
    • EU Regulation (EC) No 98/2013 on the marketing and use of explosive precursors
    • National defense industry safety standards (GB 18387-2001)
    • ISO 2230:2002 for packaging and labeling of explosive substances

    Typical usage ratio

    • 0.5–3.5% by weight, depending on performance required and compatibility with oxidizer matrix

    Downstream process integration

    • Charged during initial nitration steps within controlled inert atmosphere reactors
    • Blended at pre-polymerization or plasticizer modification stages for specialized formulations

    Final product types

    • Explosive formulation intermediates for civil and military use
    • Plasticizer-modified propellants
    • Stabilizer additives for energetic materials
    • Specialty detonator compounds

    5. Research Reagent in Academic and Industrial R&D

    In both academic and industrial chemical research, (E)-2-(2-Nitroethenyl)Thiophene assists as a key scaffold in synthetic methodology development and functional material exploration. Laboratories use its reactive substituents for mechanistic studies, advanced coupling experiments, and as a probe in new cross-coupling or reduction protocols. Accurate lot-to-lot quality and documentation meet institutional and global regulatory requirements.

    Industry compliance standards

    • ISO 17034:2016 for reference materials production
    • OECD GLP Principles (series on principles of good laboratory practice)
    • GHS Labeling and Safety Data requirements
    • Hazardous Chemicals Registration Regulation (China SAWS)

    Typical usage ratio

    • 0.1–1.0 mmol scale in research syntheses; scale-up based on experiment scope

    Downstream process integration

    • Introduced during exploratory reaction screening or stepwise synthetic campaigns
    • Used as a primary substrate or coupling partner in novel route evaluation

    Final product types

    • Reference analytical standards
    • Proof-of-concept novel compounds
    • Experimental intermediates for structure-activity studies
    • Patent-disclosure molecules
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    Certification & Compliance
    More Introduction

    (E)-2-(2-Nitroethenyl)Thiophene: A Closer Look from Inside the Factory

    Direct from the Source: How We Approach (E)-2-(2-Nitroethenyl)Thiophene Manufacturing

    Rolling up our sleeves every day, we handle (E)-2-(2-Nitroethenyl)Thiophene right at the ground level. From the first barrel of starting material to the last packaged bottle, our work reflects hands-on experience with every product batch. Some might call (E)-2-(2-Nitroethenyl)Thiophene a specialty intermediate. For us, it represents a fine balance between consistency, safety, and practical know-how. The bright yellow color stands out among organic compounds on our floor, marking its easy visual identification. This compound, with its nitro and thiophene moieties, emerges from a deliberate series of steps requiring care for both yield and purity. As workers involved in every reaction, we rely on clearly laid procedures, tight temperature control, and continuous training. Deviations rarely go unnoticed because we respond directly to even minor changes at each step.

    We rarely see two synthesis runs turn out entirely identical, even though we stick to the same process. Batch-to-batch variation remains a real challenge. With years spent refining crystallization temperatures and stirring speeds, we know how small adjustments can make or break the final quality. That lived experience matters more than any list of specifications, because paper standards never show the day-by-day variability confronted in an active reactor.

    The Role of (E)-2-(2-Nitroethenyl)Thiophene as a Research Chemical

    This chemical doesn’t wind up in the hands of general consumers. Most of our shipments go out to research laboratories, pharmaceutical firms, and organizations exploring new organic syntheses or teaching university-level chemistry. Many reach out looking for a building block that fits into broader synthetic schemes. (E)-2-(2-Nitroethenyl)Thiophene has proven itself as a valuable intermediate, most notably in the preparation of heterocyclic compounds and material science prototypes. Some of our customers seek it as a starting point for exploratory work in drug discovery or agricultural chemistry. Each small change in structure can mean a leap in biological or physical properties, so reliability in our output supports wider innovation downstream.

    Compared to other nitro-substituted intermediates, this compound typically draws interest for its conjugated double bond, which sets the stage for further functionalization. Unlike analogs with saturated side chains or those lacking the thiophene core, its reactivity profile opens up more possibilities for cyclization, reduction, or coupling protocols. For projects that demand both a nitro group and a sulfur-containing ring, alternatives don’t always provide the same balance between cost and performance.

    Real-World Manufacturing: Beyond the Brochure

    Factories like ours do a lot more than fill bottles or tick boxes on a specification sheet. Manufacturing this type of compound, day after day, keeps us tuned in to shifting market demands and supply chain hurdles. Our output depends on stable access to thiophene, careful handling of acrolein derivatives, and well-maintained analytical equipment. When upstream raw material prices rise or a global shipping delay hits, we experience the impact directly. Reacting quickly—sometimes shifting supplier or tweaking our cleaning protocols—ensures that production lines keep moving. No third-party distributor gets to see the logistical hoops that real chemical manufacturers navigate to keep products flowing.

    Within the plant, every operator knows the smell and appearance of this compound by heart. (E)-2-(2-Nitroethenyl)Thiophene’s stability depends on keeping moisture low and packaging air-tight. Too much exposure in the wrong storage conditions risks decomposition. Safety rules here aren’t just lines in a manual—they’re lived realities, learned from actual near-misses and long days spent fixing leaks or unclogging filters. Handling nitro compounds always commands extra attention, so every bottle filled reflects many layers of risk mitigation and training.

    Specifications with Purpose: Why Purity and Formulation Shape the End-Application

    Clients call us with diverse needs. Some care most about chemical purity, often testing incoming batches on sophisticated equipment such as HPLC or GC-MS. Others demand information about trace solvents or specific residual metals due to their own downstream sensitivity. We see all the ways one batch can end up rejected over a stray impurity, so we treat every specification as a living target. It’s not just about hitting a number—it’s about keeping forward processes running for our buyers.

    Those familiar with research applications know that even minor contaminants can alter synthetic outcomes. Our purification protocols borrow from old-school approaches as well as the latest chromotagraphic methods available. Distillation, precipitation, filtration—these are not just textbook steps, but daily activities our crews refine on-the-job. We’ve had cases where one extra wash or an overnight crystallization made all the difference between a pass and a fail from downstream users.

    Unlike some standardized bulk chemicals, (E)-2-(2-Nitroethenyl)Thiophene’s niche role keeps us agile. We routinely customize batch sizes to fit specific research projects, sometimes scaling down to small lots to support pilot studies or scale up to support a sizeable run at a pharmaceutical partner. Most commodity suppliers won’t adjust to that scale, but hands-on producers remain flexible because adaptation is survival.

    Setting Apart from Commodity Chemicals and Competitors

    Many new customers ask how this product compares to simpler thiophenes, unsubstituted vinylnitro derivatives, or completely unrelated intermediates. Unlike those alternatives, the mix of the electron-deficient double bond and the sulfur-containing aromatic ring gives (E)-2-(2-Nitroethenyl)Thiophene a unique reactivity. Competing intermediates without the nitrovinyl motif fall short on the electrophilic sites needed for certain coupling or addition reactions. That means our compound slots into synthetic plans that other reagents can’t match.

    Over time, the value of working with an authentic producer—not a trading outfit or third-party repackager—shows up in subtle but powerful ways. Only a true manufacturer tracks impurity fingerprinting from every reaction, notes lot-to-lot quirks, and stands behind repeat quality. If something fails in your lab, we are the ones who understand the raw synthesis story behind your material.

    Listening and Responding to End-User Feedback

    Direct feedback from industry partners shapes every improvement we make. We keep logs of every customer question about solubility, reactivity, or stability, then feed those observations into our next batch protocol. Users push us to optimize storage, invent safer packaging, and clarify documentation. One year, several researchers flagged unwanted polymerization after long-term storage—so we revisited our protocol, added purging steps, and provided fresh guidance for users.

    Some clients meet us at trade fairs or invite us to workshops, where we hear first-hand about emerging needs. Their feedback over the years led to cleaner labeling, tamper-evident caps, and clear batch records available to verified clients. Real manufacturing thrives because customer interaction keeps us honest and always ready for improvement.

    Solving Problems on the Shop Floor

    No batch crosses the final weigh station without a chain of inspections. Several times per month, equipment or environmental controls challenge us to refine our workflow. Early in our history, we learned that even a few minutes of heat above target set points caused yellowing far stronger than normal, a hint at degradation that paper spec sheets never mentioned. Inside the plant, these surprises prompt rapid root-cause analysis instead of generic troubleshooting.

    Production is about far more than pressing start on a reactor or jotting down theoretical yields. Operators respond to pump breakdowns, sample tube leaks, instrumentation drift, or sudden changes in utility quality. The lessons learned from every near-miss—sometimes just a single droplet escaping a valve—become standard practice for the entire crew, giving depth to every procedure and a safety culture that earns trust.

    Unlike traders, we don’t just move inventory from warehouse to warehouse. Not only does every order reflect the latest production cycle, but repeat buyers often request batch verification data or small adjustments to meet unique technical demands. We have adjusted protocols based on feedback from specific pharmaceutical partners, whose applications called for optimization beyond published standards. Rapid adaptation and real-world troubleshooting distinguish us from distant resellers.

    Linking Factory Practices to Global Standards

    The global regulatory environment never sits still. We monitor updates across regional frameworks, tracking movements in safety, reporting, and chemical handling requirements. Many of our ongoing investments—such as air handling upgrades, solvent recovery systems, and tighter documentation—grew out of real inspection experiences. Regulatory bodies look past the paper trail, demanding full traceability back to every drum used in each batch. Our facility maintains audit readiness not because we expect a visit, but because we remember the pain points of surprise inspections.

    At the same time, honest communication with auditors helps keep our facility well-aligned with evolving safety standards. Sometimes inspectors spot training gaps or highlight hazards overlooked during routine work. Those findings translate into new crew meetings, fresh signage, or investment in added ventilation or improved PPE. Manufacturing this compound, with its known reactive groups, means we face more stringent oversight than many low-risk commodities. Cutting corners leads to real consequences in both employee safety and customer trust.

    Building Credibility through Transparent Operations

    Every container leaving our plant carries a batch record, tying laboratories back to the exact day and shift of production. We provide supporting analytics—chromatograms, purity data, and impurity spectra—gathered directly from our in-house quality control laboratory. When end users call with technical questions or troubleshooting needs, the staff responding understands the material firsthand, not via third-hand reports or cut-and-paste knowledge. This builds transparency by connecting buyers directly to the people who made their product.

    Sometimes we receive requests for unusual documentation or a breakdown of historical lots. Those conversations often open up shared investigation, where our own chemists and the client’s team look into synthetic anomalies together. This kind of collaboration takes extra time, but it creates long-term partnerships stronger than one-off commercial transactions. By delivering full traceability and being available to discuss real problems, our team earns its credibility in practice.

    Continuous Learning: Turning Setbacks into Opportunity

    Mistakes have shaped our approach more than any successful run ever could. Early years involved trial, error, and recalibration. We have seen what happens when a condenser fouls with residue or a crystallizer fails to clear minor inclusions, impacting downstream yields for a key customer. Instead of covering up problems or blaming others, we document every incident and use it to refine our method books. Over time, continuous improvement has become part of daily workflow—not a big corporate initiative, but a way to do business.

    This teaches respect for the difficulties our customers face when integrating new intermediates into their own research or production lines. Analytical chemists don’t just test one vial; they check for patterns across shipments, demand explanations, and invite feedback. We listen closely, then act. The collected insights from a decade of hands-on production feed back into safer methods, better yields, and a more trusted chemical product.

    Final Thoughts: Why Authentic Manufacturing Matters

    For those relying on (E)-2-(2-Nitroethenyl)Thiophene from a direct producer, the difference shows up through every stage—from raw materials to packed bottles. Since we handle all aspects of synthesis, purification, packaging, and quality analysis in-house, every challenge reflects real operations, not an abstract specification or remote logistics network. This compound forms one link in a much larger innovation chain, supporting everything from method development to full-scale research breakthroughs.

    By keeping our focus tight on safe, flexible, and community-driven production of (E)-2-(2-Nitroethenyl)Thiophene, we reinforce the knowledge flowing across the chemical industry. Manufacturing, at its best, brings together technical expertise and open dialogue with the scientific teams who rely on each shipment. Every batch we produce benefits not just from established protocols, but from years spent learning, listening, adjusting, and improving alongside our partners. As research and technology evolve, we work to keep our standards just as dynamic. True chemical manufacturing, after all, means translating complex science into reliable practice—one bottle at a time.