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HS Code |
334781 |
| Chemical Name | 1-Pyrenebutyric Acid |
| Cas Number | 3279-76-3 |
| Molecular Formula | C20H14O2 |
| Molecular Weight | 286.33 g/mol |
| Appearance | Yellow crystalline powder |
| Melting Point | 139-142°C |
| Solubility | Slightly soluble in water, soluble in organic solvents |
| Purity | Typically ≥98% |
| Density | 1.314 g/cm³ |
| Smiles | C1=CC2=CC3=CC=CC=C3C=C2C=C1CCCC(=O)O |
As an accredited 1-Pyrenebutyric Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1-Pyrenebutyric Acid is supplied in an amber glass bottle containing 5 grams, with a tight-seal cap and hazard labeling. |
| Shipping | 1-Pyrenebutyric Acid is typically shipped in sealed, chemical-resistant containers to prevent contamination and exposure. During transit, it is protected from moisture, heat, and direct sunlight. Proper labeling and documentation accompany the package, complying with local and international chemical transport regulations, including hazard communication and safety requirements for laboratory chemicals. |
| Storage | 1-Pyrenebutyric Acid should be stored in a tightly sealed container, away from light and sources of ignition. Keep it in a cool, dry, and well-ventilated area, ideally at room temperature or as specified by the manufacturer. Avoid exposure to moisture and incompatible substances such as strong oxidizing agents. Properly label storage areas and containers to ensure safety and easy identification. |
Applications of 1-Pyrenebutyric Acid in Industrial ManufacturingWe supply 1-Pyrenebutyric Acid to advanced industries that require highly specific molecular probes, surface modifiers, and fluorescent tags. Our product supports mission-critical downstream processes in fields where consistent functionalization and analytical accuracy are essential. Below we detail several mature application scenarios where this material plays a pivotal role, outlining compliance standards, addition levels, downstream process stages, and end-use products. 1. Fluorescence Labeling in Biomedical Diagnostics1-Pyrenebutyric Acid serves as a fluorophore conjugation agent extensively in medical diagnostic manufacturing. Through its pyrene moiety, it supports the labeling of biomolecules for optical detection in immunoassays and sequence analysis. Direct linkage via amide or ester bond formation enables stable integration into antibody or oligonucleotide probes. Reproducibility and batch-to-batch integrity are crucial at this stage since minor fluctuation impacts downstream analytical fidelity. Industry compliance standards
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2. Surface Functionalization for Electrochemical SensorsIn the manufacture of electrode-based sensors, 1-Pyrenebutyric Acid facilitates the immobilization of target recognition elements onto carbon or gold surfaces. Its aromatic system forms strong π–π interactions with sp2 carbon materials, while the terminal carboxylic group enables covalent coupling of DNA, peptide, or enzyme moieties. This dual reactivity ensures high stability and specificity, supporting reliable sensor output in harsh operational environments. Industry compliance standards
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3. Advanced Material Doping in Organic ElectronicsLeading organic semiconductor producers incorporate 1-Pyrenebutyric Acid as a functional interlayer or dopant additive to tailor electronic properties of organic thin films. The compound acts as a work-function modifier, improves charge-transfer rates, and enhances film adhesion. These effects support the fabrication of high-sensitivity photodetectors, thin-film transistors, and organic LEDs, particularly where interface engineering determines device efficiency and lifespan. Industry compliance standards
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4. Anchoring Ligand for Nanoparticle SynthesisSpecialty nanomaterial manufacturers utilize 1-Pyrenebutyric Acid as a surface ligand to functionalize carbon-based or metallic nanoparticles, granting bioaffinity or targeted self-assembly. Its pyrene group offers strong adsorption to nanocarbons, while the terminal acid can be further derivatized for bioconjugation. This application reinforces colloidal stability and biointerfacing capability in downstream formulations for imaging or targeted delivery systems. Industry compliance standards
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5. Fluorescence Reference Standards for Analytical CalibrationProducers of standards and reference materials employ 1-Pyrenebutyric Acid as a pure compound for calibrating fluorescence spectrometers and photometric instruments. Its high quantum yield and well-characterized emission spectra provide a robust baseline for system validation, and the compound’s chemical stability is essential for shelf-life and reproducibility. Laboratories depend on consistent batch quality to meet precision traceability requirements for regulated analytical operations. Industry compliance standards
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Producing 1-Pyrenebutyric Acid isn’t about creating another chemical for storage on a shelf. Over years spent in the reactor halls and purification suites, we’ve learned to appreciate what separates a refined, consistently performing aromatic acid from less reliable options. 1-Pyrenebutyric Acid stands out to researchers and process engineers for its versatility and traceability. Every batch we release has walked through the same rigorous lab checks—buffered conditions, chromatography, spectroscopic fingerprinting—and our team follows up with physical integrity testing to confirm stable, repeatable performance.
You won’t find ambiguous generalizations about what this product does. 1-Pyrenebutyric Acid carries the unmistakable signature of the pyrene core, tethered to a flexible butyric acid tail. This structure forms the backbone for a wide range of downstream applications, from fluorescent labeling to constructing self-assembled monolayers. Pick up a small vial or a 500g drum from our production line and you’ll see crystalline solid, lightly yellowish, without residue or agglomerate, purity measured and re-measured by HPLC and NMR. We retain a small sample from each lot; our team always checks for water content, residual solvents, and trace impurities, because even ppm-scale contamination can skew experimental results or catalyze unwanted side-reactions.
In daily conversations with lab users and industrial partners, specific feedback on what matters most—solubility threshold in common solvents, thermal stability through process heating, and batch-to-batch photoluminescence shift—guides our production protocol. Typical lots fall at 98% or greater purity by HPLC, single main peak with negligible isomer formation. Melting point hovers around 190°C, and we guarantee well-dried product below 0.5% moisture as reported by Karl Fischer titration.
Particle size cuts are tailored to the process: standard mesh range fits microfabrication work, while larger, custom-cut granules hold up in reactor-scale syntheses. Our team doesn’t rely on automated signals to manage crystal growth; every batch is manually assessed to confirm visible consistency with reference materials. For those running surface chemistry protocols, we archive IR spectra for each production lot and compare peak alignment to ensure functional group fidelity. Absorption and emission spectra, measured in standard solvents such as chloroform and DMSO, show exactly the predictable pyrene shifts—no unexplained tails or splitting—confirming suitability for signal transduction experiments, molecule tagging, or fluorescence resonance energy transfer studies.
Over the years, our partners have pressed us for molecules that deliver more than theoretical value. 1-Pyrenebutyric Acid supports a range of surface attachment chemistries not matched by more compact or less flexible analogues. This isn’t just academic—our synthesis chemists have seen this compound’s butyric acid group anchor reliably onto gold, glass, and polymeric surfaces, allowing the pyrene’s photophysical properties to shine without steric hindrance or unpredictable leaching.
Where basic pyrenes or shorter-chain pyrene carboxylic acids stutter—showing weaker adhesion or increased background noise—this product forms robust linkages, lowering non-specific adsorption while boosting target binding selectivity. Our process engineers appreciate how 1-Pyrenebutyric Acid withstands high-temperature reaction steps, even when protocols call for repeated heating or solvent exchanges. We’ve sent this material out to teams who report back with details: “no crystallization at the interface,” “no unexpected fluorescence bleed-through,” “repeatable click chemistry yields.” These practical markers, not just numbers on a COA, drive our continuous improvement work.
1-Pyrenebutyric Acid’s unique structure enables straightforward coupling, whether applied in peptide synthesis for biochemical tagging or used as a building block for high-end organic semiconductors. Peptide chemists have written in to share successful incorporation in solid-phase syntheses: the carboxylic acid handles classical activation conditions, while the pyrene moiety brings strong, sharply defined fluorescence signals—properties harder to achieve with less carefully crafted analogues.
Some may look at the pyrene family and see a blur of similar molecules lined up on a reference chart. Years of feedback and side-by-side experimental trials have taught us otherwise. Comparing 1-Pyrenebutyric Acid with standard pyrene, 1-pyrenecarboxylic acid, or 1-pyrenemethylamine illustrates two key differences: spatial reach and functional group activation. The elongated butyric chain grants flexibility to reach out from the substrate surface, exposing the aromatic chromophore while maintaining firm attachment. We’ve confirmed in test protocols that this leads to improved quantum yields and reduced surface quenching when applied to sensor fabrication or nanostructure monitoring.
More compact anchors, such as carboxyl or methyl linkers, often place the chromophore too close to the attachment surface, resulting in inefficient labeling and dampened fluorescence. We regularly run comparative studies with our industrial partners and see: surface-bound 1-Pyrenebutyric Acid outperforms shorter homologs by two to fourfold in terms of signal clarity, thanks to its distance from the quenching zone. Its acid moiety also activates cleanly under mild conditions, delivering high selectivity for EDC/NHS or carbodiimide coupling without excessive side reaction.
Another frequently overlooked difference: batch impurity profiles. We’ve evaluated market samples of analogues from a range of sources and often detect unreacted pyrene, oxidized byproducts, or splitting on the aromatic core—problems that can sap reproducibility and lead to fouled downstream reactions. Our process, tuned by years of scale-up and quality troubleshooting, delivers consistently clean product, verified by internal and customer-side mass spec analyses. This attention translates into confidence for labs running high-value syntheses or building sensitive photonic devices where purity and predictability can make or break a project.
Direct user reports shape our view of what matters with this product—stories of successful bioconjugation, sensor chip fabrication, and supramolecular assembly using 1-Pyrenebutyric Acid have driven continuous investment in our plant. One partner in life sciences developed a fluorescence imaging agent based on this molecule, achieving single-molecule detection sensitivity. We’ve facilitated collaborations where chemists needed the solid acid for high-efficiency self-assembled monolayer growth; they confirmed superior molecular packing and reproducible optical properties, expanding into consistent batch production for diagnostics and environmental sensors.
Users in academic settings consistently provide deeper insight. Students working on scanning probe microscopy published surface maps showing uniform monolayer coverage, no clustering or “bare patches”—a testament to reliability rarely tied to decorative descriptors in technical catalogs. Advanced users in semiconductor labs shared spectrofluorometric datasets capturing quantum yields with less than 2% deviation between multiple lots, a level of batch uniformity that powers reproducible device research.
Even those new to pyrene derivatives have commented on low learning barriers—solubility in common polar organic solvents, ease of filtration, and manageable thermal profile mean less troubleshooting and more actual research. Users in chemical biology note cleaner background fluorescence, no need for excessive washing steps, and tight control over linker length in protein conjugation protocols.
We spent years revising synthetic protocols to minimize byproduct formation and streamline purification. Handling large-scale crystallization demands attention to cooling rates, agitation, and filtration timing—details that only hands-on production experience can fine-tune. We don’t automate away every step; some of the most reliable indicators (crystal shape, color uniformity, non-tacky texture) still come from a human check.
Post-synthesis cleaning remains a focus area. We run extra solvent washes at controlled temperatures to push out organic residues, repeating analyses well past regulatory minimums. Storage and packaging—often overlooked—take place under dry, inert atmosphere inside light-protective drums or vials, followed by rigorous post-packaging tests for stability and shelf life. Our technical support team keeps in touch with buyers after delivery, monitoring storage conditions and use-cases, ready to supply stability data or practical tips based on batch performance records.
End users frequently ask for modification options, which has pushed us to adapt production lines for small-scale customization—including isotopically labeled variants and batches with slightly tweaked acid-to-pyrene ratios. Instead of stockpiling a single generic grade, we keep the door open to these specialized runs.
Decades in production have taught us the real risks of aromatic acids: dust inhalation, light sensitivity, risk of slow degradation under alkaline or high-temperature storage. We ship in opaque, air-tight containers, and our internal processes minimize air and light exposure during every stage. In our own plant, team members follow glove and goggle protocols, avoid open-bench weighing, and work inside ventilated hoods. We encourage all users to consult current hazard data and take ordinary organic chemistry safety measures—good ventilation, prompt cleanup of spills, and access to eyewash stations.
We steer clear of overstating hazards or making compliance claims that ring hollow; our plant meets current national safety codes, but it’s day-to-day discipline—routine cleaning, daily equipment checks, and hands-on training sessions—that delivers real safety. Long-term partnerships with our customers keep the feedback loop tight: whenever issues arise in storage or handling, we adjust our packaging and documentation in response.
Real-world use throws up challenges that aren’t covered in data sheets. Over time, our support team has fielded everything from advice on optimal solvent choices for tricky conjugations, to customized purification tips for labs working at the far edge of analytical detection. We keep archives of spectral, chromatographic, and application data for each lot and are prepared to walk new users through analytical troubleshooting—identifying unexpected bands on a gel, or resolving fluorescence artifacts reported by device engineers. Our staff, most with hands-on laboratory backgrounds, answer questions based on direct process knowledge.
If a customer ever encounters outlier results or thinks they spot unexpected impurities in their workflow, samples from our retained archives are reanalyzed and feedback incorporated promptly. We don’t claim infallibility, but continual improvement and transparency remain a priority.
Sustainable production isn’t a buzzword in our facility—it’s a practical challenge. Pyrene derivatives can generate stubborn waste streams through purification. We’ve invested heavily in solvent recycling infrastructure, capturing and reusing high-purity organics back into the process stream. Waste control doesn’t end with local regulations—routine third-party inspections keep environmental metrics honest, and on-site testing systems monitor effluent for traces of unreacted pyrene or acid. Where possible, we opt for green chemistry approaches, trialing less toxic alternatives in auxiliary steps.
By making direct changes to our purification chain, we’ve cut energy consumption per kilogram of product by double digits in the last five years. Employees are directly involved in equipment upgrades and process adjustments; this frontline awareness turns sustainable practice from theory to real impact.
We partner with downstream users who share these concerns: many life science and materials science researchers have requested full disclosure of our solvent sources, batch production stats, and shipping chain records. We offer full post-manufacture traceability for every order, going beyond compliance—our records can match batch composition to delivery and storage details, helping build confidence for those probing not just technical, but life cycle attributes.
Continuous improvement defines our relationship with 1-Pyrenebutyric Acid. In the last year, customer-driven requests have pushed us to trial new crystallization methods, refine particle size distribution, and tweak drying protocols. Each change gets field-tested with longtime users—some focused on basic surface chemistry, others on high-end photonics—and detailed feedback guides adoption or further adjustment.
A solid product never stands still. Our technical files and long-term stability studies grow with user input, adjusting reference data to new applications as they emerge. Internally, we keep lines open between R&D, production, and user support, ensuring that unexpected needs or evolving industry standards translate into meaningful manufacturing or documentation adjustments.
Unlike many intermediates that float through invisible supply chains, 1-Pyrenebutyric Acid travels through a short, transparent path from our factory floor to the end-use lab or device. That transparency ensures defects don’t travel far, and innovation circulates quickly.
Years on the production line have shown us that specialty chemicals like 1-Pyrenebutyric Acid can’t be treated as interchangeable commodities. Behind every lot stands a network of choices: from feedstock screening and cleanup protocols, down to seemingly small factors like bottle closure design and shelf temperature. Over time, we’ve learned to attend to all the details that lab users, device fabricators, and research scientists bring to our attention.
We invite users, new and returning, to share their experiences with us—practical suggestions, unusual applications, or persistent issues. Our culture of steady, data-based improvement means the product today exceeds what we could offer in the past, and that process won’t stop with this batch or the next.
Those choosing 1-Pyrenebutyric Acid from our factory receive more than a packaged aromatic acid—they gain ongoing engagement, access to technical knowledge shaped by real-world performance, and a manufacturer as invested in functional outcomes as any of our scientific partners.