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HS Code |
839132 |
| Chemical Name | 2-N-Butylthiophene |
| Cas Number | 1572-75-0 |
| Molecular Formula | C8H12S |
| Molecular Weight | 140.25 g/mol |
| Appearance | Colorless liquid |
| Boiling Point | 183-185 °C |
| Density | 0.936 g/mL at 25°C |
| Refractive Index | 1.507 |
| Flash Point | 60 °C |
| Purity | Typically ≥98% |
| Smiles | CCCCc1cccs1 |
| Solubility | Insoluble in water |
| Storage Temperature | Store at room temperature |
| Synonyms | 2-Butylthiophene |
| Ec Number | 216-345-0 |
As an accredited 2-N-Butylthiophene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 2-N-Butylthiophene is packaged in a 100 mL amber glass bottle with a secure cap and clear hazard labeling. |
| Shipping | 2-N-Butylthiophene is shipped in tightly sealed containers made of glass or corrosion-resistant materials to prevent leaks and contamination. The containers must be properly labeled and cushioned to avoid breakage. Shipping follows local and international regulations for flammable liquids, with storage in a cool, well-ventilated area away from sources of ignition. |
| Storage | 2-N-Butylthiophene should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizers. Keep the container tightly closed and protected from direct sunlight. Use appropriate chemical-resistant containers to avoid leakage. Store under nitrogen or an inert atmosphere if long-term stability is required. Handle in accordance with standard laboratory practices. |
Applications of 2-N-Butylthiophene in Industrial ManufacturingAs a direct manufacturer of 2-N-Butylthiophene, we focus on providing this key chemical intermediate to established, high-value industrial sectors where its molecular structure and properties enable precise performance tuning. Below, we outline real-world application scenarios—from pharmaceutical intermediates to specialty material synthesis—with process, compliance, and final product details tailored to each downstream use. 1. Pharmaceutical Intermediate for Thiophene-Based Drug Synthesis2-N-Butylthiophene acts as a critical intermediate in the synthesis of advanced thiophene-containing pharmaceuticals, particularly for therapeutic agents featuring heterocyclic frameworks. API manufacturers select this compound during multi-step synthetic routes, employing it to construct core nucleuses or as a scaffold for functionalization steps. Purity specifications and traceability demand strict adherence to global pharmacopeial standards. Ratio inclusion in the reaction mixture is adjusted according to target molecular yield, with precise monitoring throughout the batch or continuous synthesis process. Industry compliance standards
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2. Flavor and Aroma Additive Precursor in Food-Grade Compound Synthesis2-N-Butylthiophene serves as a specialized precursor in the synthesis of high-impact aroma chemicals and savory flavor compounds for the flavor and fragrance industry. Its unique alkyl-substituted thiophene ring enables the creation of characteristic roast, nutty, and meaty notes in finished food flavors. Downstream formulators rely on this raw material for both its reactivity and sensory contribution, complying with global food safety and purity requirements. Usage levels are closely monitored to align with region-specific authorization and guarantee residual trace below threshold limits. Industry compliance standards
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3. Electroactive Monomer for Organic Electronic Materials2-N-Butylthiophene operates as a monomer or co-monomer in the production of advanced thiophene-based oligomers and polymers for organic electronic applications. Processing teams in organic optoelectronics exploit its electron-donating properties, incorporating it at a defined stage to influence molecular packing and conductivity, while ensuring trace impurity limits to avert device performance failures. This specialty application requires close documentation to global material standards and batch-level traceability throughout the polymerization workflow. Industry compliance standards
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4. Intermediate for Agrochemical SynthesisThe compound finds deployment as a reactive intermediate in the synthesis of thiophene-based agrochemicals, including certain fungicides and insecticides that require specific substitution patterns for biological resistance or selectivity. Agrochemical formulators monitor the addition of this intermediate for both yield and residual purity, operating in compliance with international pesticide manufacturing guidelines and adhering to strict workplace safety monitoring due to occupational exposure controls. Industry compliance standards
Typical usage ratio
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Producing 2-N-Butylthiophene takes commitment to both chemistry and practical customer outcomes. This specialty compound — formatted as C8H12S, with a defining butyl group at the 2-position of the thiophene ring — often brings more than just an intermediate to a client's desk. There’s nothing abstract about what goes into creating and refining this chemical. Our process draws on a long line of work with substituted thiophenes, and we have learned through hundreds of kilograms what matters for quality and reliability.
Any chemist involved in synthesizing custom molecules for high-end pharmaceuticals or specialty materials will recognize the unique fingerprint of 2-N-Butylthiophene. Its molecular structure opens pathways that unsubstituted thiophene — or even isomeric butylthiophenes at other ring positions — can’t offer as efficiently. You see the difference most clearly in coupling reactions or downstream conversions, where steric effects and electronic properties decide yields, side-reaction profiles, and sometimes even color or odor. Our customers in the materials science sector often comment on the way this compound supports the development of specific conductivity profiles for their next-generation polymer applications.
We don’t just run a reaction and pour out drum after drum. Every batch is built from direct synthesis routes starting at thiophene, with butylation conditions fine-tuned by hands-on process development. The butyl group at the 2-position can’t end up at the 3-position, since our protocols put a premium on selectivity. We’ve put time into cleaning up both starting materials and in-process streams, minimizing regioisomer contamination so that our 2-N-Butylthiophene meets tight GC purity specs — usually north of 99%. We don’t hit these numbers as part of a checkbox exercise; they show up in downstream reactivity and color stability for customer formulations, especially during scale-up.
Volatile impurities and sulfurous byproducts, sometimes left behind by shortcuts or old glassware, don’t leave our plant. Customers tracking microtraces in instrument readouts know this. A careful fractionation cut and drying step back up the numbers our analytics give, so when partners in Europe or North America pull samples for NMR, LC-MS, or GC-FID, their results line up with ours. In our line, consistency equals trust.
Specifications only tell part of the story. The user might note the molecular weight and boiling range on paper, yet our team invests decades of lab work behind each batch’s physical handling. We ship 2-N-Butylthiophene in custom-lined drums or aluminum bottles, not by habit but because migration through sub-par packaging can introduce color, off-notes, or metal traces. Customers running sensitive photoinitiator reactions — or using this intermediate for liquid crystal work — know that those subtle differences at the shipping dock show up in the lab and pilot plant. We learned long ago not to cut corners on inert-atmosphere packaging, even if it adds cost, because one leaky cap costs more down the road than investing up front in better containment.
Chemical safety is never a side note. Bulk 2-N-Butylthiophene delivers a strong odor: our operations crew experienced it on shift, and our handling systems keep vapor exposure to a bare minimum. Engineering controls, scrubbers, and personal protective gear are no theory in our world — they’re working gear, day in and day out. Long working relationships with warehouse staff and HSE officers mean we receive direct feedback on what’s practical for labeling, transfer fittings, and drum weights in different climates or seasons.
Pharmaceutical chemists use 2-N-Butylthiophene as a key core in complex syntheses, sometimes leading to advanced intermediates for heteroaromatic drugs and agrochemicals. Our process development engineers support these projects with documentation that doesn’t just quote specs but explains actual batch performance and storage stability. Sometimes, a small yellowing in product during extended storage prompts us to revisit and tighten our distillation; in other words, the chemistry on the books always meets the reality in tanks.
In electronics and specialty materials, research teams crave consistent feedstock when developing thiophene-based conductive polymers. Their catalysts don't tolerate impurities well, and random isomer content, water residue, or sulfur byproducts lead directly to failed polymerizations or unpredictable melting points. Our customers have told us about large‑scale pilot runs where one supplier’s lack of attention to isomer separation ruined an entire campaign. In our process, TLC and advanced chromatography back up every shipment to drive down risks of costly failures. It’s not abstract: one flagged batch based on a customer’s feedback led us to recalibrate equipment and improve a distillation column, which then became standard operating procedure.
Plenty of traders and middlemen sell 2-N-Butylthiophene under generic labels, yet industrial users recognize that not all sources deliver the same results. We control our synthesis route, monitor the upstream supply chain (including direct relationships with main thiophene producers), and maintain full documentation for every drum. We’ve invested in site-specific quality programs that go beyond standard ISO checklists. For us, being the original manufacturer allows us to commit to technical support from the first inquiry through post-delivery audits, rather than outsourcing questions to a catalog distributor, who rarely sees the inside of a reactor.
Certain competitors sometimes substitute related butylthiophenes or mixtures created through less-selective alkylation. Differences might not stand out on a basic GC analysis, but even a few percentage points of the wrong isomer or trace metals start to cause trouble in high-precision organic synthesis or polymerization. We’ve received requests for detailed batch records and supply chain traceability — not from bureaucrats, but from scientists handling scale-up to full commercial launch. Our internal transparency translates to fewer batch-to-batch deviations and rapid response if a question arises.
The way we document our manufacturing practices and supply sample retention bottles on request builds trust with customers running regulatory validation or needing a back-up for future investigation. Multiple research chemists have remarked that their own in-house NMR results match ours to the decimal point, avoiding wasting time on post-purchase troubleshooting.
We take environmental responsibility seriously, which means our process aims to minimize waste streams and volatile organosulfur emissions from the start. Rigorous equipment maintenance and careful reclamation of butyl feedstocks reduce our overall impact, which we measure directly — not just report on paper. Teams monitor effluent chemistry with real sensors, not just spreadsheets, and improvement projects target both solvent and water consumption.
On logistics, heavy drums and bulk containers can challenge even seasoned handlers. Every season teaches us something new about preventing leaks or container failures during sea freight and overland shipment. Hot climates and long shipping routes aren’t afterthoughts. As a result of real incidents — not hypothetical scenarios — we have revised drum shielding, retested gaskets, and adjusted the amount of inert gas in our headspace purging step to preserve purity on the journey. Dry ice or reefer units enter the picture only during peak demand or extreme weather, since overly low temperatures sometimes pull moisture into otherwise dry products.
Over the years, our technical team has worked alongside R&D departments in industries as diverse as organic electronics, specialty coatings, flavor chemistry, and dye synthesis. Each application has brought forward precise demands. Collaborations don’t rely solely on paperwork exchanges or standard COAs. Instead, we answer questions about alternative synthesis pathways, provide samples for pilot runs, and debrief after-scale up. Our documentation includes chromatographic data, storage guidance, and best practices from both our successes and the challenges we have overcome. We’ve shared troublesome tales of botched runs that led to valuable improvements — from extra filtration steps to changes in glass reactor bath fluids.
Customers often mention turnaround time as a pain point. Because we produce at plant scale, we manage inventory control to balance prompt delivery with freshness and secure handling. During recent surges in demand, our team adjusted scheduling, working cross-functionally between QC and operations to keep commitments realistic. Supporting industrial partners through variable demand periods means more than just keeping products in stock: it’s about anticipating needs based on your R&D roadmap, connecting the dots from batch records to real-world formulations.
The market for thiophene derivatives keeps evolving. We take part regularly in technical symposia and working groups focused both on new production technologies and regulatory changes. Insights from recent regulatory discussions have led us to modify labeling and enhance hazard communication based on lessons from industry peers abroad. European chemical directives and evolving customs scrutiny prompt us to retrain staff, improve digital documentation systems, and deepen our engagement with safety consultants. The reality of changing thresholds for residual contaminants or solvent content doesn’t take us by surprise; work already ongoing with green chemistry specialists has positioned us well for future shifts.
Partnerships with academic and industrial research groups give us early warnings of changes in market requirements, whether in purity levels, isomeric ratios, or environmental concerns. Real exchanges, not just paperwork or standard inquiries, help keep us ahead. Our technical support team shares these insights when reviewing new application requests with clients, offering more than just routine answers. This approach has led to several co-developed solutions where our process adjustments lowered impurity levels or shifted product presentation for improved downstream handling.
Our operation isn’t a faceless entity supplying generic chemicals. Each drum of 2-N-Butylthiophene comes from controlled, traceable synthesis geared to the needs we hear about in the field and in the lab. Our long-term commitment, from upstream raw material checks to logistics follow-through and after-sales support, brings a manufacturing perspective grounded in real experience.
The feedback from polymer researchers, analytical chemists, R&D managers, and scale-up engineers forms the basis for every process improvement and technical support call we make. These relationships go beyond transactions — informing changes to glassware, revising storage conditions, or even customizing labeling and packaging for project-specific purposes. Where challenges arise, we don’t evade responsibility: we focus on diagnostics and solutions. Sharing data openly and adapting operating procedures for unique project requirements puts us in genuine partnership with users moving new technologies forward.
So if you’re developing a new application, troubleshooting a liability in your process, or seeking reliability beyond what another supplier has offered, talk with us about how our 2-N-Butylthiophene can support your project. Decades in the business have taught us what matters most isn’t the ink on certificates but results you see in your actual chemistry, day in and day out.