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HS Code |
540364 |
| Cas Number | 781-43-1 |
| Iupac Name | 9,10-Dimethylanthracene |
| Molecular Formula | C16H14 |
| Molar Mass | 206.28 g/mol |
| Appearance | Yellow crystalline solid |
| Melting Point | 166-168 °C |
| Boiling Point | 380 °C |
| Density | 1.16 g/cm³ |
| Solubility In Water | Insoluble |
| Chemical Structure | Three fused benzene rings with methyl groups at positions 9 and 10 |
| Smiles | Cc1c2ccccc2c(C)c3ccccc13 |
| Pubchem Cid | 12830 |
As an accredited 9,10-Dimethylanthracene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle containing 25 grams of 9,10-Dimethylanthracene, sealed with a screw cap, labeled with hazard and safety information. |
| Shipping | 9,10-Dimethylanthracene should be shipped in tightly sealed containers, clearly labeled, and protected from light and moisture. Transport it as a non-hazardous solid under ambient temperature, following regulations for organic chemicals. Avoid exposure to strong oxidizers. Ensure the shipping documentation specifies the chemical name and relevant safety data for safe handling and transit. |
| Storage | 9,10-Dimethylanthracene should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and incompatible substances such as strong oxidizers. It should be kept out of reach of unauthorized personnel, and storage areas should be equipped to contain accidental spills. Proper labeling and secondary containment are recommended for safe chemical management. |
Applications of 9,10-Dimethylanthracene in Industrial ManufacturingWe supply 9,10-Dimethylanthracene directly from our own synthesis facilities, supporting a range of established downstream sectors with this specialty aromatic hydrocarbon. Below are major actual use cases in industrial processes, detailing the required standards, dosage ranges, integration methods, and typical end products in each field. 1. Organic Photovoltaic Material Synthesis9,10-Dimethylanthracene plays a critical structural role in the design and manufacturing of molecular semiconductors for organic photovoltaic (OPV) devices. Manufacturers use it during the small molecule donor synthesis step due to its electron-rich aromaticity, which enhances photoactive layer properties for improved device performance. Producers select this material for its compatible charge transport characteristics, ensuring a balance between high absorption coefficients and thermal stability in the final film architecture. It enters the molecular engineering phase where its methyl groups prevent undesirable aggregation in donor-acceptor blends, leading to better device efficiency and lifespan. Industry compliance standards
Typical usage ratio
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2. Fluorescent Tracer Formulation for Industrial DiagnosticsThis compound is widely employed as a high-sensitivity fluorescent tracer in system leak detection, hydrocarbon tracing, and analytical diagnostics within refinery and pipeline maintenance. 9,10-Dimethylanthracene is preferred due to its high quantum yield and sharp emission under UV excitation, allowing for accurate quantification at trace levels. It is introduced in formulations for fluid monitoring systems to detect leaks or flow patterns, particularly in non-aqueous media where other tracers may be less effective. Its stability under harsh industrial process conditions helps ensure consistent performance and reliable detection in field diagnostics. Industry compliance standards
Typical usage ratio
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3. Intermediate for Specialty Dye Manufacturing9,10-Dimethylanthracene serves as a key intermediate in the production of certain polycyclic aromatic dyes, especially in the formulation of blue and green-emitting anthracene derivatives. Dye producers rely on its methyl substituents to improve chromophore stability and bathochromic shift efficiency. It enters the synthetic route as a coupling partner or precursor, where its structural features facilitate controlled sulfonation, halogenation, or alkylation to create custom chromophore architectures. These advanced dyes provide superior lightfastness and tinting strength in specialty coatings and textile coloration. Industry compliance standards
Typical usage ratio
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4. Sensitizer Component in Chemiluminescence DetectionMany analytical laboratories and manufacturers use 9,10-Dimethylanthracene as a sensitizer in chemiluminescent detection systems. This material increases the efficiency of light emission upon exposure to reactive oxygen species, particularly singlet oxygen, enabling sensitive detection of biological and chemical analytes. Its use is prevalent in research and industrial chemiluminescent assay kits, where consistent lot quality and high purity are critical to avoid background signal and ensure assay specificity. Producers integrate this sensitizer into reagent formulations at the mixing phase, with the performance tailored to the detection platform in use. Industry compliance standards
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5. Research-Grade Reference Material for Polycyclic Aromatic Hydrocarbon (PAH) AnalysisAccredited laboratories and environmental monitoring agencies employ 9,10-Dimethylanthracene as a certified reference standard for calibration and quality assurance in PAH analysis via gas chromatography–mass spectrometry (GC-MS) and high-performance liquid chromatography (HPLC). Its defined purity and stable spectral properties make it suitable for analytical validation across diverse matrices such as oil, soil, air, and water. Laboratory technicians measure precise weights for standard solution preparation, which are then used for instrument calibration, proficiency testing, and quantification of unknown samples in regulated environments. Industry compliance standards
Typical usage ratio
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In the world of specialty chemicals, precision goes far beyond the molecular level. Genuine trust grows from repeated batches, machines humming through the night, the unmistakable scent of aromatic hydrocarbons in the air. Our story with 9,10-Dimethylanthracene spans years of practical adjustments, learning directly from each production cycle, and meeting chemists’ nuanced demands in industries where shortcuts bring headaches nobody has time for.
The reality is that not every anthracene derivative acts the same in downstream syntheses. Both structure and process can trip up reactions, so it’s not a matter of catalog numbers—it’s hands-on refinement, from raw material sourcing through the final powder or crystal in the drum. The two methyl groups anchored to the 9 and 10 positions shape fundamental behavior, from solubility to electron density, affecting reaction specificity wherever it gets used.
Our 9,10-Dimethylanthracene stays in demand because of its performance in roles that go beyond what base anthracene or its mono-methylated cousins can handle. Straight anthracene sometimes falls short in photophysical research, organic semiconductors, and detection reactions. Add methyl groups at the 9 and 10 positions, and you get a compound less prone to oxidation and more robust against polymerization under UV. These small changes translate to fewer failed reactions, less fiddling with side products, and results more repeatable under tough lab scrutiny.
Customers often note that the difference between lab-scale material and what comes out of a true industrial run extends well beyond appearance. Casual contaminants—typically undetectable at first glance—can quickly skew sensitive studies. We’ve run batch after batch where researchers gave up on ”lab-grade” material after columns became blocked or signals faded. Our in-house approach leaves little to chance. In each run, we look for tight melting point ranges, clarity in re-crystallized solids, and stringent GC-MS outcomes. When a solvent flush at the end of a process run reveals trace residues, our tech team takes immediate interest, tracking back to raw input changes, not blaming the end-user’s prep.
Those who take on large-scale organic synthesis or build luminescent devices pay the real price for unreliable chemicals. It doesn’t take many process interruptions to realize that lower upfront cost means little if a five-liter reactor loses yield to trace oil contaminants or off-color material gums up test runs. Our product gets chosen where documentation and reproducibility aren’t just paperwork requirements—they define the lifeblood of innovation.
Take conjugated polymers: 9,10-Dimethylanthracene can serve as a backbone building block, its symmetrical structure lending consistency across batches. Synthetic research aiming for new optoelectronic behaviors leans on molecules like this for their balanced reactivity and clean light absorption features, especially under environmental stressors in pilot-scale devices. Handling a hundred-gram lot that remains bright and clear weeks down the line destroys doubts and builds relationships based on measured results, not slick brochures.
In the more demanding world of chemical sensors—whether for environmental monitoring or advanced laboratory analytics—any off-by-one impurity in the starting material translates into drift. Day in, day out, repeat analyses walk a fine line: When an instrument needs to detect parts-per-billion of a target compound, its calibration curves break down with less-than-pure standards. Our customers come back with stories of how consistent methylation prevents wavelength drift, pushing their calibration straight across project timelines.
A majority of suppliers tend to default to quoting content above ninety-nine percent on the assay, but the difference between “passes analysis” and “performs reliably for years” becomes painfully clear in actual usage. Many years ago, we nearly lost a key client who’d experienced what happens when a few tenths of a percent of residual mother liquor or trace byproducts crept into an order. The impact lasted through several months as we retooled our quality controls, shifting toward lot-specific feedback and tube-testing upon demand. These upgrades reflect not just a checkbox but an ongoing dialogue—QC as a living practice, with real sample numbers pinned to customer case files.
We work with labs who scrutinize spectral signatures for fluorescence and chemiluminescence studies. Reactions relying on photo-sensitizers like 9,10-Dimethylanthracene are sensitive to fluorescence shifts from ultratrace impurities. We run UV-Vis and emission spectra on our lots to catch shifts that might appear on a single run’s product but not the next. Without this layer of vigilance, weeks of crucial research end up lost—even when the certificate looks fine on paper. Feedback has changed our process for the better, prompting us to implement in-process HPLC with selectivity toward all likely aromatic impurities rather than just measuring methylated isomers.
Those working with redox chemistry rely on 9,10-Dimethylanthracene for its capacity to form stable dihydro intermediates, especially in oxygen scavenging systems. Not every production method preserves this aspect. We prepare ours in an oxygen-minimized environment, minimizing autoxidized byproducts that would otherwise unwind developers’ efforts. Users in pharmaceutical R&D and polymerization monitoring send back clearer data when these influences are kept in check.
Practically speaking, choosing anthracene, 9-methylanthracene, or 9,10-Dimethylanthracene isn’t about the catalog—it's about tangible end-point results. 9,10-Dimethylanthracene brings heightened resistance to photodegradation, which proves vital in high-intensity UV experiments where standard anthracene tends to yellow or degrade quickly. The double methyl tail at positions 9 and 10 buffers the π-system against attack, which maintains purity over repeated cycling.
Some claim 9-methylanthracene can substitute in certain syntheses. Our experience sees otherwise. Only 9,10-Dimethylanthracene provides the combination of crystal habit, resistance to oxidation, and solubility that downstream users need, whether it’s as a fluorescence probe or a raw material for functional dyes. Comparative runs in our affiliated testing labs show less batch drift and fewer purification steps needed. These real-world differences stem from subtle molecular effects magnified by repeated process cycles, which don’t always appear until something interrupts the workflow.
In practical coating formulations, for example, users see sharper, more consistent emission spectra when relying on our dimethylated form instead of less-substituted options. Years of firsthand reports keep reinforcing our internal technical sense: skimping on methylation means introducing dozens of wavelength shifts or unpredictable quenching, real roadblocks for companies benchmarking lightfastness in plastics or fibers.
Chromatography separation works better with the pure dimethyl derivative. In real-world practice, scaling up separation from analytical to production scale reveals trace issues not seen in small batches. We run pilot columns from intermediate lots to evaluate fouling and retention. Fewer shoulder peaks and easier baseline separation means chemists avoid late-night frustration, especially on industrial cycle times and with materials pulled directly from a stockroom drum.
Our workers clocking in for third-shift know every change in the line, every batch variation, and every impact a slight alteration can have. From reactor temperature to vacuum filtration parameters, each adjustment changes the shape and flow of 9,10-Dimethylanthracene through the system. Tweaks in solvent grade, holding time, or purification can shift melting point or introduce ghost peaks in the final analytical run. We’ve lived the tough calls: balancing throughput against meticulous re-crystallization, trading higher yield for purity when customer results demand zero compromise.
Part of the reason we take purity benchmarks so seriously: small process equipment changes or supplier adjustments have often shown up in subtle impurity levels, only visible on the third or fourth analytical run. Stories of success emerge from those days when line operators and lab chemists come together to untangle the source. Our tight communication between shift supervisors, analytical staff, and shipping teams plays a real role here—not just ticking a regulatory box. This dynamic yields product that works across months, not just on the day after production.
Shipping also affects perceived quality. Larger crystals or fines behave differently in transit, depending on storage, vessel size, and shipping duration. We check particle size distribution on each lot, not for show but out of real concern: powder clumping in humidified warehouses leads to slower dissolution, an issue that surfaces in processing times at the user’s facility. Tracking reports from clients who process in different regions lets us tune drying parameters and select container linings that resist static, sticking, and unplanned contamination.
Feedback on 9,10-Dimethylanthracene rarely fits into standard survey forms. We receive real insights from researchers and technicians who flag everything from unexpected color tints to stubborn residues on glassware. These day-to-day reports drive a culture where notes from end-users guide our in-house changes, sometimes long before any analytical number changes enough to spark a formal investigation.
Technical inquiries often begin with a phone call or a few sentences describing an abnormality under specific application conditions. That sort of partner relationship keeps us on our toes. We’ve changed our filtration materials in response to feedback about trace fibers; we’ve adjusted storage conditions and ramp rates based on downstream reaction quirks. A researcher investing in costly time on mass spectrometers or fluorescence spectrometers deserves to know that the next lot will fit as these adjustments are made. We see direct results in faster setup times and cleaner end-user analytics.
We open our processes to periodic external review, not just internal audits. Fresh eyes on classic problems, such as selective crystallization or filtration bottlenecks, have led to incremental gains. We still remember the sharp improvement in color and texture that resulted from altering the cooling profile, triggered by late-night emails from lab users frustrated by slow-dissolving batches.
Some people see 9,10-Dimethylanthracene as just an entry on a sourcing list. The reality is more personal. Each batch tells a story—one of careful control, continual learning, and the determination to exceed quiet expectations time after time. In production, there are always trade-offs: faster throughput means less time for re-crystallization, and cost pressures never disappear completely. Experience has shown again and again that a careful approach pays off, not only in lower complaint volume but in the return business from chemists who rarely give a second chance.
Unlike mass commodity chemicals, aromatic specialties draw in detail-focused clients who understand that the background “noise” on a spectrum translates into lost time. Our testing staff has spent countless nights sorting through ambiguous signals, tracking inconsistencies to overlooked raw material sources, or isolating contamination from factory equipment. This dedication, grown through healthy obsession with each analytical run, means every lot arrives with a character that fits the client’s need, not just the certificate spec. That sort of credibility takes time to build and only seconds to lose.
Running a facility that prioritizes quality over speculative promises isn’t easy. Equipment maintenance, staff training, and raw material quality all intersect at the drum of finished 9,10-Dimethylanthracene. Small slip-ups—such as suboptimal dryer temperatures or uncalibrated detectors—don’t sneak by for long. Transparency in our operation ensures each process technician reports deviations, with management empowering them to halt a run if numbers don’t look right. This results in slightly slower turnaround but a supply chain trusted by people who care about their work.
We invest in training and upgrading technology because process improvements rarely come from outside suggestions alone. Continuous temperature logging, humidity controls, and even hands-on weighing standards all contribute to the baseline consistency that higher-value users expect. Still, we’ve learned not to chase theoretical optimums to the point of sacrificing the hands-on checks only experienced staff can provide—there’s value in calibrating both instruments and routines through human insight.
Working through these issues has led us to encourage on-site visits and regular communication. Chemists and production engineers from customer firms walk our lines, review practices, and in some cases stay overnight to witness first-shift startup after routine cleaning. Through these collaborations, we learn how to preempt common complaints and match exact use cases (for example, optimizing the handling of large versus small batch lots).
Handling aromatic hydrocarbons such as 9,10-Dimethylanthracene comes with more scrutiny today than in earlier decades. Our facility adapts to regulatory expectations, using closed handling systems and diligent waste capture, backed by real on-the-ground training for our operators. Regulations change, and the experience of adapting—such as shifting to new solvent recovery methods—shows in our safety audits and environmental outcomes.
Our teams work to reduce fugitive emissions and chemical residues at every stage. Rather than treating environmental compliance as a paperwork chore, we see it as integral to keeping skilled workers safe and responsible within our community. The lessons learned from near-misses and unplanned maintenance translate into better process controls and a culture where everyone values long-term sustainability, not just daily output.
Regarding transport, we’ve moved toward improved containerization and secondary packaging, based on client feedback about spillage or contamination in transit. These steps add cost but keep product quality reliable upon arrival, maintaining the reputation that underpins lasting relationships in specialty chemical manufacturing.
Real difference in 9,10-Dimethylanthracene supply comes from mutual understanding between producer and user. We keep communication lines open, updating clients about batch changes, equipment upgrades, and even workforce transitions. By sharing not only certificates but stories of solution and mishap, we develop an honesty that doesn’t depend on marketing claims. Product reliability comes less from a single run or instrument readout and more from accumulated knowledge—willingness to learn from mistakes and incorporate the lessons into every subsequent cycle.
Every day, our team works to earn trust, knowing that a failed reaction or a delayed delivery carries far more weight than any datasheet. For us, 9,10-Dimethylanthracene isn’t just a number or a commodity; it's the result of years spent tuning process, responding to real users, and investing in both people and technology. This approach builds more than product—it builds relationships founded on practical experience and a shared commitment to scientific progress.
Those aiming for long-term research and production value find that these factors matter just as much as purity number or packing weight. From batch integrity and performance to a partnership built on openness and continuous adjustment, real expertise shines through every drum, every shipment, and every conversation.