|
HS Code |
241269 |
| Product Name | AR Ethanolamine |
| Volume | 500ml |
| Chemical Formula | C2H7NO |
| Molar Mass | 61.08 g/mol |
| Purity | Analytical Reagent (AR) Grade |
| Appearance | Colorless, viscous liquid |
| Density | 1.018 g/cm3 (at 20°C) |
| Boiling Point | 170°C |
| Melting Point | 10.3°C |
| Cas Number | 141-43-5 |
| Synonyms | 2-Aminoethanol, Monoethanolamine, MEA |
| Odor | Ammoniacal |
| Solubility | Miscible with water, alcohol, and ether |
| Storage Conditions | Store tightly closed in a cool, dry, well-ventilated area |
| Hazard Statements | Causes severe skin burns and eye damage |
As an accredited AR Ethanolamine 500ml factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | AR Ethanolamine 500ml is packaged in an amber glass bottle with a secure plastic cap, featuring a clear chemical label. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 1,700 bottles of AR Ethanolamine 500ml securely packed in cartons for safe international transport. |
| Shipping | The shipping of AR Ethanolamine 500ml follows strict safety guidelines. The bottle is securely sealed and packed in a leak-proof, chemical-resistant container. Labels indicate hazardous material, with documentation included for safe handling. Shipping complies with relevant regulations, ensuring safe transit and delivery to laboratory or industrial destinations. |
| Storage | AR Ethanolamine 500ml should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from heat sources, ignition, and incompatible materials such as acids and oxidizers. Protect the chemical from moisture and direct sunlight. Ensure appropriate labeling and access to safety data sheets. Store at room temperature and use appropriate personal protective equipment when handling. |
| Shelf Life | AR Ethanolamine 500ml typically has a shelf life of 2 years when stored tightly sealed in a cool, dry place. |
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Purity 99%: AR Ethanolamine 500ml with purity 99% is used in analytical chemistry laboratories, where it ensures precise titration results due to minimal contaminant interference. Viscosity Grade Low: AR Ethanolamine 500ml of low viscosity grade is used in pH buffer preparation, where it promotes rapid dissolution and homogenous mixing. Molecular Weight 61.08 g/mol: AR Ethanolamine 500ml with molecular weight 61.08 g/mol is used in chemical synthesis processes, where it guarantees reproducible reaction kinetics. Stability Temperature 25°C: AR Ethanolamine 500ml stable at 25°C is used in long-term reagent storage, where it maintains consistent reactivity without degradation. Melting Point 10.3°C: AR Ethanolamine 500ml with melting point 10.3°C is used in temperature-sensitive formulations, where it remains in liquid phase for ease of dispensing. Water Content <0.1%: AR Ethanolamine 500ml with water content less than 0.1% is used in moisture-sensitive assays, where it prevents unwanted side reactions caused by excess water. Heavy Metals <0.001%: AR Ethanolamine 500ml with heavy metals content below 0.001% is used in high-purity pharmaceutical synthesis, where it reduces contamination risks and ensures pharmaceutical-grade quality. |
Competitive AR Ethanolamine 500ml prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
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Tel: +8615380400285
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We spend long hours at the plant refining each batch of AR Ethanolamine. Our team knows every pipe and valve by name because this is not commodity-grade chemical—it comes from hands-on experience. With AR-grade ethanolamine, customers want certainty in their chemistry. Purity isn’t just a laboratory reading to us; it’s something we verify with on-site analysis, not just stamped certificates. We see how a difference of just a tenth of a percent in purity influences reproducibility for researchers, and how a cleaner matrix saves a customer weeks on downstream reactions.
A 500ml bottle seems like a simple thing to untrained eyes, yet in research labs, it gives precise control over reagent concentration and minimizes waste. Our product isn’t filled and shipped at random. We run onsite QC on every lot that goes into these bottles. Plenty of processes, especially in analytical chemistry, benefit from smaller-format containers—the risk of contamination drops, and every bottle delivers a fresh batch. Bottles that are too large often land a product in storage for too long, and those that are too small increase packaging costs and hassle. We’ve found the 500ml format suits most synthesis and titration work without sacrificing efficiency or risking shelf loss, especially for teams that run many parallel tests.
AR—Analytical Reagent—ethanolamine doesn’t come out of the reactor perfect. Producing it to analytical standards takes several hands-on purifications. We’ve watched enough columns run and controlled enough distillation steps to tell when a process must change. Slight shifts in reaction temperature or washing solvent can show up under the peaks in a chromatograph. Only by working on our own line—tweaking the pressure, cleaning the separation units ourselves—can we guarantee the purity people expect in a reagent-grade ethanolamine. The AR label on our bottle doesn’t mean a batch got a gold star in a standard test, but that the underlying chemical integrity supports results you can build careers on.
Anyone who has tried to build a reliable calibration curve knows that low-level impurities will wreck the data, whether in chromatography, spectrometry, or sensitive endpoints in environmental testing. In our experience, the unreliable colorimetric readings and drifting peaks often tie back to subpar reagents. AR Ethanolamine at analytical grade pushes those background signals well out of range. Countless projects stumble on such hidden pitfalls; controlling the trace contaminants gives better blank readings and smoother titrations, especially in high-stakes audits or regulatory submissions.
Ethanolamine serves as a backbone in complexometric titrations, pH adjustments, buffer preparation, and amine derivatization reactions. From our plant floor to leading research institutions, we’ve seen AR Ethanolamine play its part in binding transition metals, prepping custom resins, or tuning mobile phases for LC-MS runs. Some finish their work in routine analysis, others need custom gradients and repeatable pH control. In every use-case, avoiding unknowns matters most—whether that means excluding background fluorescence, eliminating unexpected color, or securing stable mass spec baselines.
Even now, working alongside QC teams, we regularly run our AR Ethanolamine through different paces: UV-Vis baseline checks, trace metal screenings by ICP-MS, checks for aldehyde and chloride contamination, and sometimes more esoteric analyses depending on the project. The difference between AR and a more generic IPA-cleaned reagent appears not just in the certificate, but directly in yield, baseline stability, and cleaner spectra.
Some suppliers offer technical or industrial-grade ethanolamine, but we’ve field-tested enough batches to know those grades often come with higher water content or non-volatile residues. In synthetic chemistry, those contaminants shift reactions, slow catalysts, or cause corrosion, especially at the micro-scale. Generic ethanolamine usually carries more amine derivatives or residual solvents from cost-cutting recovery runs. Our analytical reagent is purposefully distilled and handled—each container traceable by lot—so lab teams aren’t left troubleshooting a contamination artifact for days on end.
In pH adjustment work, where buffering precision is everything, technical grades often fall short, especially in enzyme or protein workflows. Some differences aren’t even visible at first glance—cloudy layers, slow solubility, or cumulative error in results. We learned firsthand that many spectral interferences come from unknown stabilizers or transport residues sneaking into lower-grade material. Opting for AR Ethanolamine ensures those factors stay out of the equation.
AR Ethanolamine finds its way into environmental water monitoring labs, cleanroom QC, pharmaceuticals, and specialty polymer research. We visit enough customer sites to see where lesser grades wind up: fouled HPLC lines, slowed column work, or headaches during method validation. For folks scaling reactions or conducting final pharmaceutical analysis, regulatory pressure climbs every year. Outsized batch deviations or unknown impurities translate to flagged results and lost time. By keeping a direct hand in batch processing and testing, we stay a step ahead—not just following a written standard, but rewriting process rules based on real-world feedback.
Buffering solutions and amine modifications both demand not just chemical knowledge, but attention to trace impurity profiles. We’ve seen whole R&D programs held up by background interference traced to a wrong solvent or reagent grade. Prevention starts at manufacture—tight atmosphere control, careful bottling, regular in-house testing. Following these steps at our own plant, rather than shipping out for blind third-party certification, means that chemists and analysts down the line aren’t gambling with their experiments.
Most ethanolamine on the general market doesn’t meet analytical reagent benchmarks. Water content creeps up, minor amines linger past distillation, and metallic ions surface from chain-reactor wear. We tailor wash cycles, filter replacement, vacuum distillation, and quality checks in real time, since a few milligrams of metals or chlorides can throw off a whole set of tests. We can talk specifics—trace iron, total alkalinity, spectral absorbance—but those numbers only matter as they affect actual performance. To us, that means neutral pH, nearly colorless appearance, and sharply defined end-point reactions right out of the bottle.
Many manufacturers chase volume, but our focus rests on true AR-level output. Sometimes that means turning down a rush order to maintain a tighter batch, or running extra controls when subtle changes show up. Every time a researcher tells us a bottle stood up to a tricky method, or referenced it in a peer-reviewed study, we know the details paid off.
We build each product run ourselves—right down to calibrating the batch reactors and checking fill weights. Using AR Ethanolamine from our plant gives teams more than a spec sheet; it means talking to chemists who actually made it. Troubleshooting is part of our daily life. We’ve helped resolve blocked ion exchange columns, explained unexpected pH drift, and advised on preparing fresh buffers after hearing feedback straight from the bench—not filtered through sales channels.
Customers with specialized protocols reach out to us directly. Some ask about micro-contaminants, others look for solvent compatibility, and a few want advice on scaling up from development to pilot runs. Each question helps refine our practice. Batch-to-batch repeatability doesn’t happen by chance—it comes from fielding questions, collecting QC data in-house, and making honest adjustments after every production cycle.
Shipping difficulties, shelf-life variability, and user error impact the best chemical. We design our packaging and labeling through direct user feedback. Secure closures and UV-resistant bottles came about after we noticed early yellowing in certain climates, or after a customer reported a leak in a transport stress test. These process improvements get fed back into the next production lot.
We don’t chase every new trend or cut corners for volume. We watch how tiny shifts in raw material batch quality force on-site adaptation. Rather than rely solely on external supply guarantees, we’ve built tight relationships with upstream providers, insisting on low-level specs for every incoming component. By keeping that chain short and transparent, our customers benefit from fewer delays and more predictable deliveries, even in volatile markets.
Every bottle tells a story after it leaves our gate. We get calls from labs facing tough audits, or research teams spinning off new applications that stretch known protocols. Keeping open lines means learning, and sometimes overhauling standard practice. We recently worked shoulder-to-shoulder with a bio-analytical group to sort out matrix effects in a tricky biopolymer extraction. What we learned led to another round of screening for aldehyde byproducts—a tweak that now elevates every ethanolamine batch across the board.
Continuous improvement comes from those results, not from paper audits. As analytical demands rise in all sectors—whether pharma, materials science, or environmental chemistry—standing still isn’t an option. Our plant teams meet monthly to review customer issues, emerging analytical tools, and global supply shifts. New guidance from regulatory agencies or feedback from a customer in a foreign market prompts us to review procedures and invest in additional lab equipment. Staying responsive, especially where downstream readings hang on minor ingredient tweaks, brings us closer to those who use the bottle every day.
AR Ethanolamine 500ml starts with raw materials screened from established sources, always verified by our incoming QC. Multiple distillation and cleaning steps remove water, metal ions, and known byproduct amines. We keep active maintenance logs on every line after seeing trace alloy leach into subpar batches at other facilities. Routine testing tracks organics, inorganics, and moisture—each read directly from our own lab tools. Shipping out a batch means every bottle in that run stands up to this scrutiny, or it doesn’t ship at all.
Our employees know the importance of these steps because they’ve witnessed the setbacks triggered by imperfect reagents. Lost data, wasted time, and failed methods cost more—in both trust and dollars—than any short-term savings made by subbing technical grade or skipping controls. Experience teaches that it's easier to maintain strict standards daily than to recover reputation afterward.
In direct application, AR Ethanolamine supports water quality monitoring programs, helps establish reference standards in analytical labs, and features in critical sample prep for pharmaceutical impurities testing. Buffer solutions built with pure ethanolamine consistently outperform quick-mix solutions, enabling tighter calibration curves and more robust method validation. Some researchers depend on it for high-precision ammonium quantification, while others simplify sample processing by avoiding complex clean-up steps needed when using technical grades.
We’ve seen teams use the product in creating complexing agents for metal titration, prepping time-sensitive standards for trace organic detection, and supporting pH control for biological assays where even minor drift introduces major uncertainty. One client used AR ethanolamine to unlock new protocols in sorbent chemistry, while another credited cleaner titration endpoints to the batch consistency they received. These are day-to-day results, not marketing promises—they’re built from real outcomes enabled by attention at every step of manufacture.
Consistency starts at the gate. Rather than rely on third-party fill-and-ship contractors, we run the process in-house—from receipt of raw amines through to QC on each finished batch. That brings rapid response and corrective power. We keep samples from every lot, run periodic stability tests, and update storage instructions as real-world challenges surface.
We’ve learned to watch for details—subtle shifts in bottle color, changes in viscosity at low temps, or rises in residual chloride—that signal next-level challenges. Addressing those hints before they hit customer shelves means a smoother experience for researchers. Our approach extends beyond compliance: maintaining quality by knowing the product’s potential impact across a broad range of methods, materials, and analysis platforms.
Pure AR Ethanolamine rarely causes complications, but the handling and storage do. Heat fluctuations during transportation or careless decanting can let moisture creep in, changing the behavior for water-sensitive workflows. We offer direct guidance to users based on years of feedback and testing: storing under nitrogen, using only clean polypropylene tools, or aliquoting in one go to avoid oxygen ingress. Stories from the lab floor about "mysterious" results usually circle back to storage error, not manufacture. We answer calls, walk through troubleshooting, and sometimes ship backup bottles or advice for onsite mitigation.
We’ve also seen research groups combine our AR ethanolamine in advanced materials synthesis, such as metal-organic framework assembly or as a ligand in novel separation media, where substandard purity would cut recovery or reproducibility. Collaborative troubleshooting with end users, not just delivering bottles, pushes us to design protocols and improvements around real bottlenecks. Minor tweaks—a filtration upgrade or a change in bottle cap polymer—came straight from customer feedback, closing the loop between plant and bench.
To us, AR Ethanolamine 500ml is not just a reagent in a bottle but a promise of trustworthiness. Each batch reflects months of dialed-in operation, regular process review, and repeated commitments to customers hoping to solve big problems with reliable tools. The whole team—from engineers to QC chemists—takes pride in catching minute flaws others might miss. That dedication translates to every bottle, batch, and feedback loop we maintain.
Delivering on AR standards is painstaking and sometimes costly. Yet every time a project wraps faster or publishes stronger data, we see the real reward. By listening, learning, and refining with every lot, we serve not just researchers and analysts, but the whole scientific process. If a customer trusts our product, we’re accountable for more than just a chemical specification—we’re a partner in the breakthroughs built on that very foundation.