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HS Code |
884126 |
| Product Name | N,N-Bis(2-Hydroxyethyl)-2-Aminoethanesulfonic Acid Sodium Salt |
| Synonyms | BES Sodium Salt |
| Cas Number | 10191-18-1 |
| Molecular Formula | C6H14NNaO5S |
| Molecular Weight | 235.23 g/mol |
| Appearance | White crystalline powder |
| Solubility In Water | Very soluble |
| Ph Range | 6.4 - 7.8 (1% solution at 25°C) |
| Storage Temperature | Room temperature |
| Uses | Biological buffer |
| Melting Point | N/A (decomposes) |
| Ec Number | 233-468-8 |
As an accredited N,N-Bis(2-Hydroxyethyl)-2-Aminoethanesulfonic Acid Sodium Salt factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White, opaque plastic bottle with screw cap, labeled with product name, hazard information, and net weight: 500 grams. |
| Shipping | N,N-Bis(2-Hydroxyethyl)-2-Aminoethanesulfonic Acid Sodium Salt is shipped in sealed, airtight containers to prevent moisture absorption and contamination. It is typically packaged in compliance with chemical safety standards and may require labeling as a non-hazardous material. Store and transport it in a cool, dry location away from incompatible substances. |
| Storage | Store **N,N-Bis(2-Hydroxyethyl)-2-Aminoethanesulfonic Acid Sodium Salt** tightly sealed in a cool, dry, and well-ventilated location, away from incompatible substances such as strong oxidizers and acids. Protect from moisture, direct sunlight, and extreme temperatures. Ensure container is clearly labeled. Use appropriate personal protective equipment when handling. Keep out of reach of children and unauthorized personnel. |
Applications of N,N-Bis(2-Hydroxyethyl)-2-Aminoethanesulfonic Acid Sodium Salt in Industrial ManufacturingN,N-Bis(2-Hydroxyethyl)-2-Aminoethanesulfonic Acid Sodium Salt, known for its buffering capacity and chemical stability, supports several highly specialized industrial processes. Below, we detail verified application scenarios in which this chemical is adopted as an essential process additive, specifying sector-relevant compliance, accurate usage levels, stage of introduction, and finished product types downstream. 1. Biopharmaceutical Fermentation Media BufferIn large-scale biopharmaceutical production, especially for recombinant proteins and therapeutic antibodies, this material provides a consistent buffering environment in cell culture and microbial fermentation media. It sustains the precise pH levels required for optimal cell expression and protein folding, which is critical during upstream biologics manufacturing. Tight control of buffer specifications underpins batch reproducibility in regulated environments. Industry compliance standards
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2. In Vitro Diagnostics (IVD) Assay FormulationIVD manufacturers use this buffer material to stabilize enzymatic or immunochemical reactions in clinical diagnostic kits. Consistent buffering properties enable accurate colorimetric, luminometric, or fluorescent assay results over time, especially in multi-component detection platforms for laboratory and point-of-care settings. Industry compliance standards
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3. Electrophoresis and Proteomics Buffer SystemsWithin proteomics and quality control laboratories for pharmaceuticals and biotechnology, the sodium salt form of this acid is critical in running buffer and sample buffer formulations for electrophoretic separation methods. Its zwitterionic properties reduce interaction artifacts and support high-resolution protein or nucleic acid band separation during analytical procedures. Industry compliance standards
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4. Hemodialysis Solution CompositionMedical solution manufacturers add this compound as a component of bicarbonate-based hemodialysis concentrates to support precise pH correction and stable ionic strength. Its low toxicity, high solubility, and defined buffering range support formulation consistency vital for direct patient application. Industry compliance standards
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5. Cell Therapy and Regenerative Medicine Culture PlatformsProducers of advanced therapy medicinal products (ATMPs), particularly those involved in mesenchymal stem cell, CAR-T, or tissue-engineered product manufacturing, rely on chemically defined culture supplements. Controlled buffering by this material is essential to maintain cellular function and product viability from expansion to final formulation for transplantation. Industry compliance standards
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6. Bioprocess Chromatography Elution and Buffer SystemsChromatography system providers and contract biologics manufacturers use this compound in ion-exchange, size-exclusion, and affinity chromatography applications for process-scale biologic purification. Accurate pH and ionic control are central for robust protein capture and elution, reducing aggregation risk and improving product recovery rates. Industry compliance standards
Typical usage ratio
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On the production floor, making N,N-Bis(2-Hydroxyethyl)-2-Aminoethanesulfonic Acid Sodium Salt (commonly called BES sodium salt) means dealing with the real nuts and bolts of chemical manufacture. Every batch offers another chance to deliver the consistent purity and solubility biochemists expect. Over the years we have seen the science move forward, and with it, the exacting standards that go into resonance buffers. Today’s researchers and formulation teams don’t settle for “good enough.” They need reliable agents that won’t drift from batch to batch, especially in sensitive enzymatic reactions or protein work. As the ones who handle both the raw material sourcing and the fine-tuned synthesis, we know instability and contamination slow down discovery. No lab wants a surprise lurking in their buffer. The importance of chemical dependability in research outcomes becomes clear once a questionable reagent interrupts a week of careful planning.
On the floor, we blend, react, isolate, and purify BES sodium salt with these expectations in mind. The process starts with high-grade starting diols and the right sulfonating agents. Careful measurement, controlled reaction temperatures, and precise pH management produce a clean, water-soluble crystalline solid. Staff then checks each batch’s sodium content, purity, and moisture before any material heads out the door. Some tasks look repetitive, but they keep the product honest. Most customers use BES sodium salt for pH buffering around 6.8 to 7.2. This zone cuts right through the requirements for biological assays, cell culture, and certain diagnostic kits where TRIS or HEPES either lack solubility or interfere with reactions. BES sodium salt fills a role those common buffers cannot handle—its sulfonic acid backbone and ethanol groups make it resistant to enzymatic degradation and nonreactive with many common reagents. These little details matter in live cell research, diagnostics, and downstream processing. Having direct control lets us address any irregularity faster than an agent or repackager could.
Production staff talk with researchers more than most would expect. We regularly answer questions about grade differences and how this particular sodium salt compares against others on the market. Experience shows many of these queries boil down to trust: who added which anticaking material, and how does that affect protein solubility? How pure is the sodium source? A direct relationship with users keeps our focus sharp. It’s important to support scientists with a buffer that won’t throw curveballs because of careless post-processing or storage. Each gram leaving our warehouse holds the same reliability as the last. We don’t depend on a supply chain four steps deep; we see the powder at every stage and make correction calls in real time.
Many industry requests center on specifications: particle size, sodium ion percentage, loss on drying, and most crucial, freedom from competing ionic contaminants. While producing N,N-Bis(2-Hydroxyethyl)-2-Aminoethanesulfonic Acid Sodium Salt, our baseline model offers purity above 99 percent, minimal endotoxins, and low heavy-metal content, meeting the standards laboratories expect in reproducible scientific work. Some orders demand tight tolerance for water activity or finer sieving, particularly for automated dispensers or when integrating into high-throughput platforms. We’ve fine-tuned drying stages so the final material matches these special needs, down to consistent granulometry or target sodium content.
One lab might call for low UV absorbance to cut through background interference in their assays. Another may specify trace-metal screening for electron microscopy use. Every slight change in processing or packaging gives downstream users a genuine advantage in their work. Our chemists modify the process—sometimes with small reaction tweaks; sometimes with new, dedicated cleanroom stages. Consistency here boosts the reliability of protocols across life science, diagnostics, or industrial quality-control labs. BES sodium salt production isn’t a static formula followed blindly. The route and final form often track a customer’s application, whether in enzyme diagnostics or long-term buffer storage for cell lines. Each adjustment along the way comes from discussions with real users, not sales targets or branding exercises.
Decades manufacturing this sulfonic buffer have taught us how broadly it is used beyond traditional biological pH buffering. It started out as a solution for practitioners who needed an inert buffer with no amine reactivity, and has since carved a place in molecular biology, biopharma, and even veterinary diagnostics. Our staff field questions weekly: “How does BES sodium salt compare to HEPES in immunoassays?” or, “Will this sodium salt affect enzyme-linked colorimetric detection in mammalian cell culture?” These types of inquiries shape development, because scientists work in dynamic experimental environments, adapting to new challenges and instrumentation sensitivities with each passing year.
The sodium salt form, as compared to its free acid or potassium cousin, delivers a key property: full water solubility without extra handling steps or pre-dissolving tricks. Researchers can weigh, dissolve, and use it straight out of the bottle. Many transition to the sodium salt after encountering unpredictable behavior from the free acid version—either patchy solubility or slow blending into aqueous systems. Sodium also matters in clinical applications where potassium interference can artificially alter cell voltage or signaling, so some assays strictly require the sodium form. We have seen this distinction matter to teams fine-tuning protocols in cell membrane transport studies or high-volume screening labs.
Whenever new methods arrive on the scientific landscape—CRISPR screening, next-generation sequencing prep, or advanced point-of-care diagnostic devices—conversations begin about which buffers will work best with ultra-sensitive readouts. Most generic buffer mixes can’t guarantee silent background or unreactivity with chemical probes, so research groups pushing the edge of detection rely on manufacturers who know exactly what is in every lot. Here, BES sodium salt stands out for staying inert to most amines and phosphates but resisting breakdown even under repeated autoclaving. Direct communication lets us keep abreast of novel protocols, so we update batch controls and inform users of minor changes. We encourage users to get in touch when something doesn’t behave as expected, and build long-term trust from listening and responding directly, not through an outsourced network.
Experience producing BES sodium salt shows how subtle differences mean everything in biochemical research. Some companies rely on mass blending and bulk repackaging, leaving open the risk of trace contaminants from parallel production lines. Our facility dedicates separate reactors and purification units for each buffer type, ensuring neither cross-contamination nor batch-to-batch drift. Customers coming to us with concerns about previous suppliers’ inconsistency see for themselves how straightforward traceability makes all the difference. Even one poorly rinsed mixer can alter an enzyme’s activity if buffer residue slips through. This level of control doesn’t come by accident. Upstream, we invest in supply relationships facing real accountability, sourcing only pharmaceutical-grade sodium and sulfonating agents with detailed certificates and batch records.
Labs evaluating BES sodium salt have pointed out the clean crystalline habit and fast dissolution compared to generic alternatives or mainline products from traders. Some buffers do the job until you require tighter control—pharmaceutical formulation, preclinical trials, or large-scale diagnostics manufacturing. Our product maintains stable buffering capacity through temperature swings and long-term storage, with minimal change in pH value or salt content. This predictability cuts troubleshooting costs in regulated environments, where scientists cannot afford downtime chasing invisible variables. Our knowledge extends to downstream impacts, to the way small ions drift or proteins adsorb over time, so we continuously refine purification and drying parameters. A buffer might seem simple, but its quiet reliability underpins complex workflows in critical applications.
Comparing BES sodium salt with its relatives demonstrates more than just chemical structure differences. Buffers like HEPES, MOPS, or PIPES can cross over into unhelpful side reactions, often detected only during method validation. BES brings lower reactivity with amines and phosphates, very limited UV absorbance, and immunity to most common biological oxidants or inhibitors. Its ionic strength fits many cell and biochemical assays without destabilizing proteins. Because we oversee synthesis—never outsourcing core steps—we make lot-to-lot adjustments based on purity metrics, and add tailored steps for customers needing regulatory or analytical documentation. Product traceability stretches back to individual raw material lots. Researchers hitting snags with “generic” sodium salts often find improved reliability simply by switching to our directly manufactured BES sodium salt, with its single source of control and communication.
Each successful collaboration with a research team underscores how involved a manufacturer must be in the real-world outcomes of their product. We recently worked with a biopharmaceutical developer optimizing monoclonal antibody separation. Their challenge began with buffer impurity, not process design. After switching to our BES sodium salt, carryover of interfering ions disappeared—a result they traced back through careful in-house analytics and documentation. This level of troubleshooting depends on clear evidence and steady supply; it does not happen with intermediaries or relabeling houses. We shared full batch production logs so their QA team could set new baseline controls, and followed up as they scaled from pilot phase to commercial runoff. Experiences like this drive home the value of transparent, direct supply and expert support. It’s much easier to get buffer to behave once you understand the whole production picture, from chemical sourcing to final QC release.
Even more routine orders, like delivering metric tons to diagnostics kit manufacturers, remind us how small changes echo downstream. Slight losses in purity, trace metals from processing, or unexpected changes in the hydration state can alter next-generation test performance. By keeping operations in-house, feedback loops run fast: reports from users lead to immediate process adjustments and shared learning. Introducing stricter raw material audits or adding another step of vacuum drying isn’t about meeting a regulation; it’s a direct response to years of listening to those who trust our BES sodium salt with their experiments and patient samples. We routinely hold customer forums and site visits, making our factory floor and records accessible to professional partners. These partnerships push us to evolve and build confidence, making BES sodium salt production more than a transactional business. Our technical teams thrive in dialogue, refining the buffer to meet new standards before the rest of the market catches up.
Problems along the production chain are inevitable, from inconsistent raw materials to stubborn residues in purification media. We don’t treat these as just technical setbacks; each issue is an opportunity to strengthen controls and redefine what a high-quality sodium salt should be. Introducing extra analytical checkpoints for metal ions, or refining our crystal drying steps, began as lessons from setbacks—the unfamiliar spike in a downstream protein marker, or customer feedback about a slow-dissolving batch. We like to say the best product improvement ideas come from a failed assay, not a boardroom meeting. Every complication brings fresh insight into the fine balance demanded by research buffers.
We pay close attention to evolving analytical protocols and the narrowing tolerance windows set by diagnostics firms, which now expect certificates showing single-digit ppm trace metals, exact crystallinity, and tight sodium-to-acid ratio. Our labs regularly upgrade equipment and staff skills to stay ahead of these expectations. Developing water purification, investing in double-stage reactors for sulfonation, and expanding in-house spectroscopy all stem from these increasing demands. As a manufacturer, we don’t see quality as an abstract promise, but as a series of actions driven by real science, market pressures, and the practical requirements of our partners in the field. Every procedural upgrade makes BES sodium salt a steadier, more predictable tool for the people counting on it.
Making N,N-Bis(2-Hydroxyethyl)-2-Aminoethanesulfonic Acid Sodium Salt isn’t a one-and-done formula stamped out of view. The process invites continuous oversight from synthesis to packaging. Our ability to offer fine-tuned, contamination-free sodium salt depends on understanding both upstream chemistry and downstream scientific practice. Supplying research organizations, medical manufacturers, and industrial clients ties us to a shared standard—one only met with transparency and continual learning. We work directly with the scientists at the bench and the purchasing directors managing inventory risk. Our responsiveness comes from personal engagement, not a script handed down from an anonymous supplier.
Customers gain more than a product; they join a process where their discoveries, concerns, and breakthroughs feed back to improve every batch. We learn from both the rare missteps and the everyday successes. That partnership shapes not just our own manufacturing philosophy, but also the wider industry’s expectations for what a research buffer ought to deliver. Consistency, rapid response, and open channels define our work. By grounding the entire supply in traceable manufacturing and proven dialogue, we make sure each package of BES sodium salt carries both integrity and possibility. The reliability of each buffer, from first gram to last, forms one quiet foundation for thousands of experiments. This is science in action, and the role of the direct manufacturer makes all the difference.