|
HS Code |
638730 |
| Product Name | Bis(Catechol) |
| Chemical Formula | C12H8O4 |
| Molecular Weight | 216.19 g/mol |
| Appearance | white to off-white solid |
| Melting Point | 175-177°C |
| Boiling Point | decomposes before boiling |
| Solubility In Water | slightly soluble |
| Density | 1.5 g/cm3 |
| Cas Number | 533-16-8 |
| Storage Conditions | store in a cool, dry place |
| Stability | stable under recommended conditions |
| Odor | odorless |
As an accredited Bis(Catechol) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Bis(Catechol), 25g, is packaged in a sealed amber glass bottle with a tamper-evident cap, labeled for laboratory use. |
| Shipping | Bis(Catechol) is shipped in tightly sealed containers under dry, cool, well-ventilated conditions to prevent moisture and contamination. Proper labeling and documentation in accordance with relevant regulations ensure safe handling. Use suitable packaging materials to avoid leaks or spills. Handle with care and comply with all transportation and hazard safety guidelines. |
| Storage | Bis(Catechol) should be stored in a tightly sealed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Keep away from sources of ignition, strong oxidizers, and incompatible substances. Ensure proper labeling and avoid prolonged air exposure to prevent oxidation or degradation. Use appropriate chemical storage cabinets as recommended for organics or sensitive chemicals. |
Competitive Bis(Catechol) prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Every batch of our Bis(Catechol) comes from a production line built and run by people who spend their lives refining chemicals. In our plant, we don’t just make Bis(Catechol); we live and breathe every stage, starting from the raw catechol itself through to the final filtered and dried compound. Over the years, the formula and process got better from small tweaks made after careful observation of temperature effects, moisture content, and even the kind of stainless steel used in certain reactors. Our focus always stays on clean yields, consistent purity, and making sure that what we put out fits the practical needs of others working in the lab or the field.
We currently offer two major models: a standard Bis(Catechol) with an assay above 99.5%, and a high-purity grade pushing beyond 99.8%. Both are monitored closely in our QC facility, using calibrated HPLC and UV-spectroscopy for every lot. The powder flows in a fine but not dusty grain, free of odor and visually bright under overhead lights. No two lots leave the site until a handful of our senior team sign off on the COA.
Inside the plant, we learned early not to cut corners on the vacuum distillation stage. It’s where trace impurities linger if temperature or vacuum slip off. After switching to a double condensation system three years ago, downstream complaints about discoloration dropped by over 70%. Our operators track those numbers and always keep the distillation log book open and easy to scan. Running a production line, lab staff and process engineers work together each day, reading both the equipment and the numbers. If a reaction temperature drifts or agitation gets noisy, we don’t ignore it. We review what went wrong and change SOPs so the problem isn’t repeated. It’s a habit built from countless small mishaps and lessons, not textbook learning.
From solvent recovery to the filtration step, we design processes to maintain batch-to-batch consistency, so customers get results they expect. Our filters, for example, use two-micron mesh—too fine and the product takes longer, too coarse and the particulate shows up later. During our last internal audit, we swapped out a second-hand filter press because repeated small plugging slowed production and risked introducing moisture. Since putting in a new plate-set from a nearby steelworks, the issue practically disappeared.
Bis(Catechol) stands out in real application for its strong chelating properties, particularly when dealing with metal ions. We see demand from those in the specialty polymer field, who use it to build up custom resins and coatings. A production manager at a customer site once told us our Bis(Catechol) made their coating more resistant to UV breakdown, saving cycles on repainting finished goods. The compound also enters specialty adhesives, giving stronger curing bonds especially where humidity causes standard adhesives to fail.
In catalyst development, researchers take advantage of what makes Bis(Catechol) unique—the way its two catechol rings latch onto target centers and modify reactivity. Our own R&D team works with academic labs to create new catalyst prototypes, sending out test lots and checking back for feedback. Last year, one group used our Bis(Catechol) as a ligand and saw a 20% jump in yield versus their old supplier. They attributed it to lower trace organics in our product—a change that came from our switch in solvent system two years ago after several rounds of customer feedback.
We also cater to the electronics sector, where trace metals can make a world of difference, and to workers in analytical chemistry who depend on stable reagents. Not long ago, a failure in another supplier’s stock delayed a project for weeks. They called us up, and we sent out a lot held in reserve just for such problems. The team at that site later told us the product’s stability and solubility helped them catch up lost time and run smoother than before.
Process engineers in our plant deal with the realities of keeping moisture at bay in monsoon weather or troubleshooting pressure leaks that only show up at scale. We know that trace impurities can mean regulatory headaches down the road or skewed research data for end users. That’s why we systemically clean reactors between batches, run regular swabs, and keep redundant checks in place. We also send sample lots to an outside lab a few times per year because internal checks can blindside even seasoned teams if nobody cross-checks the results.
Producing a high-purity compound at scale is never just a matter of flipping switches or running through a checklist. Process control lives in the hundreds of tiny actions—drying the glassware, controlling inert gas flows, and making quick decisions when an endpoint looks just a bit off from the norm. Every year, we revisit process maps and adjust them based on feedback from people actually handling the chemical, whether it’s our own staff or a research partner halfway across the globe.
Many customers coming from EDTA or other simple chelators look for more targeted reactivity. Bis(Catechol) offers a wider window thanks to the twin catechol groups, which create a stronger and more stable bond with certain transition metals. In practical terms, this means applications where you need a chelating agent that doesn’t let go under mild conditions, or one that won’t break down during later steps like high-temperature curing or exposure to oxidizers. A major industrial customer switched from a conventional chelator to our Bis(Catechol) and stopped getting complaints from their QC team about inconsistent color in final products.
In the lab, users tell us they value the cleaner NMR and IR spectra with Bis(Catechol). Lower background signals mean less time sorting through noise. Lab techs send us questions and ideas; they’re always looking for a product that cuts down work, not adds confusion. Each time we hear about a result going sideways, we dig into the raw data, talk to the user, and trace it back to the point of manufacture. This dialogue brings us closer to the daily reality of our customers, helping us keep Bis(Catechol) a step ahead of more generic options. In short, the compound’s stability profile and affinity for challenging metal centers set it in a separate class from many off-the-shelf chelators.
We don’t optimize every spec on paper. Instead, we keep a close eye on what really matters once the drums land in someone else’s warehouse or the vials are lined up for an experiment. Shelf life comes up more often than datasheet numbers; storage temp, moisture, and even how vendors stack cartons make a difference. Our original formula lasted up to six months in typical lab storage, but newer packaging stretched that window. Double-layer foil pouches with fresh desiccant got the complaints down, and fewer returns saved everyone time.
Color, flow, and dustiness also play into acceptance. Years ago, a switch in milling speed made the powder too fine, which meant it packed too tight in bottles and poured unevenly. After trial and error, we dialed back the milling speed and went to sifted granules. The end result? Customers stopped finding clumps and our own weighing crew cut prep time nearly in half. Details like that get decided not by experts in boardrooms, but by people actually using scoops and spatulas day after day.
Any laboratory chemist running a repeat experiment knows the headache when their reagent of choice doesn’t match last week’s lot. It’s not just performance, but time wasted tracking down where things went off track. In our plant, trace amounts of by-product once slipped past filter checks after a process water change. That caused complaints of off-coloration in a finished resin for three months running. The fix wasn’t complicated—stricter filter schedules, closer review of process water sources, and detailed tracking of raw input. Small causes make big effects in chemical manufacturing.
Supply chain matters for more than prices. Delivery delays snowball quickly for buyers working on high-stakes projects. Knowing this, we keep extra drums of Bis(Catechol) on-site, so even during transport hiccups or raw material import issues, nobody has to halt their own output lines. Our logistics manager negotiates directly with our partners so products move fast, even during peak times.
We partner regularly with university teams doing advanced synthesis or catalysis, providing not just product but also insight into what’s worked or failed elsewhere. A recent collaboration involved screening our Bis(Catechol) for reversible bonding in a catalyst system under high-pressure CO2. The work didn’t just need a high-purity base, but also constraints around trace water—less than 30 ppm. To hit that mark, our team ran extra drying and checked each output with Karl Fischer titration instead of relying on calculation alone. This back-and-forth with research partners often feeds ideas for how we can push both purity and practicality forward.
Our team runs workshops for contract manufacturers and in-house labs at customer sites covering best practices in handling, solubilization, and storage. More than a few times, an end user discovered that a problem in their line traced back to storage temperature, not the chemical itself. We spend time in actual warehouses, checking how Bis(Catechol) holds up in practice—because a spec means little if it doesn’t fit the way real people work.
We don’t chase every new trend, but we’re never shy about making upgrades that matter. For Bis(Catechol), that meant investing in data logging on the reactors to spot subtle trends over time, and adding secondary drying steps when we saw evidence of low-level hydrolysis creeping in during wet seasons. Our QC lead lobbied for a new set of ref standards so technicians get faster reads and can spot deviations before they affect finished lots.
Tool upgrades only work if the team running them knows what to look for. Training never stops—senior staff mentor new hires and review working logs together, so everyone stays sharp both on routine production and during rare hiccups. We keep our sightline open to feedback, whether fielded during an aftershifts call or coming from a troubleshooting session with a regular customer.
Manufacturing Bis(Catechol) brings responsibility. We maximize raw material yields and recycle solvents where feasible. After several audits, we added scrubbers and updated vent controls to lower VOCs. The team runs weekly checks and logs waste behaviors, so compliance isn’t a one-off effort. We also keep a tight rein on chemical sourcing, avoiding any vendors flagged for questionable practices.
For regions with stricter guidelines, we’re no stranger to filing paperwork or supporting customers during audits. A partner project in Europe had much tighter metal content limits than previously seen. Instead of offering the same product, we ran extra purification and installed a separate drying line for EU-bound lots.
Our ongoing R&D reviews focus not just on purity metrics but also on process safety improvements and reducing operator fatigue. If a step can be cut out or automated without risking quality, we look into it. The plant grows more efficient every year, both in reducing rework and sustainable energy use. We invest in training as much as equipment, because people spot issues early before they turn into batch failures.
Bis(Catechol) will keep evolving as both markets and technology shift. We watch new application areas—from medical research to flexible electronics—and test pilot runs with partners open to experimentation. Years of plant floor knowledge, combined with trusted feedback from field users, shape the product’s future as much as any conference or whitepaper. Our Bis(Catechol) does a steady job in the trenches of real-world chemistry, one batch at a time.