|
HS Code |
438694 |
| Chemical Name | 2-Hydroxypyrene |
| Cas Number | 7351-61-3 |
| Molecular Formula | C16H10O |
| Molecular Weight | 218.25 |
| Appearance | Yellow solid |
| Melting Point | 148-151°C |
| Solubility In Water | Insoluble |
| Density | 1.28 g/cm³ (estimated) |
| Pubchem Cid | 81434 |
| Smiles | C1=CC2=CC3=CC=CC4=CC=CC(=C4O)C3=C2C=C1 |
| Inchi | InChI=1S/C16H10O/c17-16-8-4-7-15-13(16)6-3-11-9-1-2-10-5-12(11)14(15)16/h1-10,17H |
| Synonyms | Pyren-2-ol; 2-Pyrenol |
| Storage Temperature | Store at room temperature |
As an accredited 2-Hydroxypyrene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for 2-Hydroxypyrene (25 grams) is an amber glass bottle with a tightly sealed cap, labeled with hazard information. |
| Shipping | **2-Hydroxypyrene** should be shipped in tightly sealed containers, protected from light and moisture. Transport under ambient conditions, ensuring compliance with applicable local, national, and international chemical shipping regulations. Label clearly as a potentially hazardous organic compound and handle with appropriate personal protective equipment to prevent exposure or spillage during transit. |
| Storage | 2-Hydroxypyrene should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances. Protect it from light, moisture, and sources of ignition. Store at room temperature and ensure proper labeling to avoid accidental misuse. Use secondary containment to prevent spills or leaks. Keep away from strong oxidizing agents for safety. |
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Purity 99%: 2-Hydroxypyrene with 99% purity is used in fluorescence spectroscopy calibration, where high purity ensures accurate emission intensity measurements. Melting point 210°C: 2-Hydroxypyrene with a melting point of 210°C is utilized in thermal analysis studies, where precise phase transition data is obtained. Molecular weight 218.23 g/mol: 2-Hydroxypyrene with a molecular weight of 218.23 g/mol is employed in organic synthesis research, where defined molecular mass facilitates reagent calculations. Particle size <10 μm: 2-Hydroxypyrene with particle size less than 10 μm is applied in nanomaterial fabrication, where small particle size enhances dispersion uniformity. Stability temperature up to 120°C: 2-Hydroxypyrene stable up to 120°C is integrated in environmental pollutant modeling, where stability guarantees reliable analytical results. UV absorbance (λmax 326 nm): 2-Hydroxypyrene with UV absorbance maximum at 326 nm is used in photophysical studies, where distinct absorbance supports sensitive detection. Solubility in ethanol 20 mg/mL: 2-Hydroxypyrene with a solubility of 20 mg/mL in ethanol is deployed in tracer dye applications, where high solubility ensures homogeneous solution preparation. Fluorescence quantum yield 0.46: 2-Hydroxypyrene with a fluorescence quantum yield of 0.46 is used in biochemical sensor development, where efficient fluorescence increases detection sensitivity. Minimal impurity (benzoic acid <0.1%): 2-Hydroxypyrene with benzoic acid impurity less than 0.1% is utilized in polymer modification processes, where low impurities prevent unwanted side reactions. Refractive index 1.62: 2-Hydroxypyrene with a refractive index of 1.62 is used in thin film characterization, where consistent refractive index provides reliable optical measurements. |
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The world keeps changing and science never seems to slow down. New materials carve out new opportunities every day. Among the countless substances that push research and advanced manufacturing forward, 2-Hydroxypyrene stands out for the role it plays in so many laboratories and workshops. Its structure, derived from pyrene with a single hydroxyl group added, might look simple on paper, but real-world uses tell a much bigger story.
Look around research labs focused on analytical chemistry, drug development, and environmental science. 2-Hydroxypyrene, sometimes known as pyren-2-ol, pops up where professionals need a reliable, recognizable aromatic compound. Because the molecular framework of 2-Hydroxypyrene carries that pyrene backbone, with a hydroxyl group attached at the number two position, it takes on qualities its parent can’t match. That single functional tweak—putting a hydroxyl in the right spot—unlocks reactivity and solubility patterns that open fresh doors for chemical synthesis, tracing, and analysis.
A lot of introductory write-ups skim the surface, rattling off purity percentages and formulae without pausing to explain why they matter. Day-to-day experience in analytical labs shows the headaches that impurities and mixed batches cause. Researchers often choose 2-Hydroxypyrene with a purity of at least 98 percent. Each batch must deliver a consistent yellow crystalline powder—anything else causes trouble with downstream methods like chromatography or fluorescence detection. This matters because small amounts of contaminant compounds, such as other isomers or unreacted pyrene, interfere with results, muddying spectra or throwing off fluorescent markers.
The melting point commonly ranges near 190 to 194°C. Storage requirements stay fairly simple: a sealed container away from direct sunlight, preferably in a cool, dry place. Stability leans on how well container seals block out moisture and atmospheric oxygen, as the hydroxyl group can sometimes be a little more reactive than the pyrene core. But with solid practices, these worries rarely become problems. Lab users choose glass or compatible plastic for containers, steering clear of reacting surfaces that could sap the purity over time.
People often talk about chemicals only in the abstract or as building blocks in the background of some factory, but 2-Hydroxypyrene punches above its weight class. In my work on fluorescence assays, finding a marker that stands up to rough handling is a constant challenge. Pyrene derivatives, and this one in particular, show up time and again because their aromatic rings light up under UV and help researchers spot trace amounts of a target compound. Analytical chemists rely on this molecule in HPLC and TLC because it stands out against contaminants and delivers sharp, repeatable signals.
The real power of 2-Hydroxypyrene isn’t just about visualizing molecules. Its functional group lets it react in ways standard pyrene cannot. It attaches to biomolecules and metals, making it ideal for tagging, labeling, and more sophisticated applications. This puts it in the toolkit of scientists studying pollutant breakdown in soils and water, where it acts as a standard for validating techniques that search for polycyclic aromatic hydrocarbons. In pharmacology, researchers explore it as part of model compounds for metabolic pathways, parsing out how the human body might process similar chemicals from air, food, or medicines.
In my years teaching college labs, students always notice how certain molecular tweaks totally change an experiment’s outcome. Swapping in 2-Hydroxypyrene for pyrene shifts absorption and emission wavelengths and improves solubility in some solvents, making protocols more reliable. This means young researchers don’t get tripped up by unknown contaminants or missed signals; they see what they're supposed to see, and results hold up when repeated in different classrooms or campuses.
Ask anyone used to working with the broader family of polycyclic aromatic hydrocarbons, and most will say these compounds seem stubborn, barely dissolving in water and behaving the same way over and over. The difference with 2-Hydroxypyrene comes down to its increased polarity. Chemistry hinges on little structural tweaks—you add a hydroxyl to a rigid aromatic and suddenly the molecule works as both a probe and a template for further functionalization.
Other aromatic hydrocarbons often lag in practical use because their stubborn hydrophobic character and low reactivity limit their applications. With 2-Hydroxypyrene, greater solubility in polar organic solvents opens up streamlined extraction, derivatization, and purification. It also allows more controlled covalent bonding when building bioconjugates or tagged compounds. While pyrene itself remains a workhorse for producing blue fluorescence and hydrophobic probes, 2-Hydroxypyrene outdoes it where versatility really counts.
More scientists in environmental testing choose 2-Hydroxypyrene when tracking oxygenated PAHs, since its unique signature makes it easier to distinguish from other common pollutants. It doesn’t blend in with the background noise in chromatograms. That advantage cuts costs for retesting and shaves off hours for analysts pouring over reports in late-night shifts.
Whenever experts talk about sourcing or handling any lab chemical, the question of provenance and data quality comes up right away. You can’t cut corners on traceability. Trustworthy suppliers provide batch-level data, showing analytical spectra—often NMR and MS—to confirm both purity and identity. Reproducibility and proof matter in research, not just the raw numbers on a page.
Quality control with 2-Hydroxypyrene features transparent documentation. I encourage new lab members to look for suppliers who provide real certificates of analysis. No shortcuts, and stay away from sources unwilling to share specifics about impurities or storage recommendations. High stakes experiments—especially those meant for publication—demand full trust in every material. If you want reliable outcomes, keep a log of each batch’s performance; subtle shifts over time teach lessons that go beyond any manufacturer’s instructions.
One aspect that doesn’t get enough attention is the importance of ongoing education about both product and process. Researchers new to aromatic hydrocarbons save time and trouble by consulting open science resources, safety training, and shared protocols. Nothing replaces hands-on learning—handling 2-Hydroxypyrene safely and effectively rests as much on habit as it does formal training.
With the world paying closer attention to chemical footprints in soil and water, chemicals tied to environmental monitoring need to meet high standards. 2-Hydroxypyrene, like all PAH derivatives, brings both promise and caution. It's been studied as a tracer for pollution events and as a reference in bioremediation projects. Research confirms its stability in laboratory sampling, which matters for scientists measuring even the smallest shifts in contamination. But this resilience outside the lab also means careful disposal practices matter at every step.
Teams handling 2-Hydroxypyrene should use well-ventilated hoods and gloves, minimizing accidental spills. Regular audits of chemical storage keep everyone a little safer. Waste management plans make a difference: collecting solvents and residues, then working with certified chemical disposal partners, shows professional responsibility and avoids the problems of accidental environmental release.
On the policy side, some governments and regulatory bodies have strengthened environmental tracking and reporting around polycyclic aromatic hydrocarbons. This doesn’t just push labs to do more paperwork; it raises the expectations for detailed documentation and disposal. Researchers looking to stay ahead of compliance need to keep responsive chemical inventories and participate in community databases, helping build shared knowledge around what works and what doesn’t.
As more industries and academic groups look for ever-better tracking molecules and chemical markers, 2-Hydroxypyrene steps into new roles. Its use as a fluorescent reference helps with imaging, high-throughput screening, and metabolic tracing. The molecule’s reactivity leads chemists to new derivatives with promising biological and environmental properties. Advances in green chemistry also prompt researchers to explore more sustainable methods for synthesizing and recycling aromatic compounds. There’s still a lot to learn about safe, scalable production—especially in ways that minimize environmental by-products and tighten up energy consumption.
I’ve seen collaborations—people with backgrounds in synthetic chemistry, toxicology, and environmental science—tackle challenges by sharing results across disciplines. Applying 2-Hydroxypyrene in real environmental monitoring projects often uncovers issues not obvious from bench-top screening. Tracing a pollutant from riverbank to purification plant demands more than clever chemistry; it calls for reliable standards, robust analytic methods, and honest reporting. In that way, the story of 2-Hydroxypyrene is really about the progress possible when curiosity meets accountability, and where every experiment adds to the collective picture.
Across different industries, adaptation drives progress. Companies in electronics and sensor manufacturing investigate pyrene derivatives, 2-Hydroxypyrene included, for specialized optical coatings and conductive materials. These applications aren’t always headline-grabbing, but they help bring about new devices, lower energy consumption, and other benefits that ripple out to end users.
One issue popping up more often is the fragmentation in standards and certifications for specialty chemicals like 2-Hydroxypyrene. Young companies operating on thin margins sometimes take chances with unverified suppliers, leading to losses in time and reputation. People with experience in chemical supply chain management stress the value of independent verification, periodic audits, and direct technical support for customers working with sensitive materials. No industry guideline substitutes for real conversations with experts who have watched how new batches behave over years and under different lab conditions.
Scientists and purchasing managers both face a balancing act—cut costs or invest in reliable materials. The lesson I keep coming back to is that saving money upfront only adds risk and possible rework. While everyone wants efficiency, leading teams make a habit out of double-checking product data, retraining lab personnel, and building in early-stage verification steps before scaling up.
In educational settings, that means fostering a culture where students aren’t afraid to question manufacturers’ claims and look for peer-reviewed studies detailing the use and handling of 2-Hydroxypyrene. As educators and mentors, we can highlight open-source databases and encourage publication of negative results to illuminate both the strengths and shortcomings of these materials.
Open communication stands out as a reliable solution to many of the headaches that follow specialty chemicals. When labs, suppliers, and consultants share test results and observations, the field moves faster, with fewer dead ends. Groups organizing regular roundtable discussions bring together minds from academic, industrial, and regulatory backgrounds, helping to spread knowledge about making the most of 2-Hydroxypyrene and troubleshooting common issues.
Digital tools now support greater transparency. Online documentation and inventory systems make it easier for teams to track exactly which variation of a compound they received, match it against shared protocols, and relay concerns back up the supply chain. This opens the door for better batch traceability, alerts for potential contaminants, and crowdsourced troubleshooting.
Regional and global consortia keep strengthening best practice guidelines. For labs just starting to work with 2-Hydroxypyrene, it’s smart to join user communities and seek technical workshops—often virtual—to learn from direct experience. This increases the confidence and safety both for the teams doing the work and the communities that rely on accurate environmental measurement.
Chemistry, at its best, isn’t just about synthesizing molecules—it's about using those molecules to unpack the world’s problems, ask better questions, and build knowledge worth sharing. 2-Hydroxypyrene, while just one building block among thousands, reminds scientists and technicians of the value in reliable, well-understood materials. Years in the lab reinforce that trust takes real effort: documentation, clear communication, and a willingness to adapt as new evidence comes in.
In comparison to more standard or less functionalized aromatic compounds, 2-Hydroxypyrene offers an extra layer of flexibility. Its applications continue to grow, reaching from academic study to environmental protection, pharmaceutical innovation, and even materials science. Over time, data collected across these specialties build a case for treating every batch and every interaction with care.
The best results come when people take ownership—not just of protocols or checklists, but of continuous learning. Change in science rarely comes from top-down rules alone; it comes from paying attention, tweaking workflows, and sharing both successes and snags with peers.
With 2-Hydroxypyrene, success looks like reliable experimental outcomes, safer handling, reduced waste, and confidence that results withstand scrutiny. Shared experience, rigorous data, and honest feedback help the field keep its edge, ready to meet the evolving demands of tomorrow’s challenges.