|
HS Code |
395586 |
| Product Name | 4-(Dimethylamino)pyridine, ReagentPlus |
| Synonyms | DMAP |
| Chemical Formula | C7H10N2 |
| Molecular Weight | 122.17 g/mol |
| Cas Number | 1122-58-3 |
| Appearance | White to off-white crystalline powder |
| Purity | ≥99% |
| Melting Point | 110-113 °C |
| Solubility | Soluble in water, alcohol, ether |
| Storage Temperature | Store at room temperature |
| Boiling Point | 163 °C (at 13 hPa) |
| Density | 1.098 g/cm³ |
As an accredited 4-(Dimethylamino)pyridine, ReagentPlus factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a 100g amber glass bottle labeled “4-(Dimethylamino)pyridine, ReagentPlus” with hazard warnings and product information. |
| Container Loading (20′ FCL) | 20′ FCL container loading for 4-(Dimethylamino)pyridine, ReagentPlus: Securely packed drums or bags, labeled, meeting chemical safety and transport regulations. |
| Shipping | 4-(Dimethylamino)pyridine, ReagentPlus is shipped in tightly sealed, chemical-resistant containers to ensure safety and product integrity. It is packed according to regulatory guidelines for hazardous materials, typically labeled for laboratory use only, and is protected from moisture and light. Ensure prompt receipt and appropriate storage upon delivery. |
| Storage | 4-(Dimethylamino)pyridine, ReagentPlus should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Protect from moisture, light, and sources of ignition. Store at room temperature and follow all relevant safety protocols to prevent contamination and accidental exposure. |
| Shelf Life | 4-(Dimethylamino)pyridine, ReagentPlus typically has a shelf life of 2-3 years when stored tightly sealed at room temperature, protected from moisture. |
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Purity 99%: 4-(Dimethylamino)pyridine, ReagentPlus with purity 99% is used in peptide coupling reactions, where it ensures high reaction efficiency and reduced byproduct formation. Melting Point 109-111°C: 4-(Dimethylamino)pyridine, ReagentPlus with a melting point of 109-111°C is used in acylation processes, where stable solid form facilitates accurate dosing and reproducibility. Solubility in organic solvents: 4-(Dimethylamino)pyridine, ReagentPlus with high solubility in organic solvents is used in esterification reactions, where it promotes rapid and homogeneous catalysis. Moisture Content ≤ 0.2%: 4-(Dimethylamino)pyridine, ReagentPlus with moisture content ≤ 0.2% is used in pharmaceutical synthesis, where minimized water content prevents hydrolytic side reactions. Low Metal Impurities: 4-(Dimethylamino)pyridine, ReagentPlus with low metal impurities is used in fine chemical manufacturing, where it achieves product purity suitable for high-specification end uses. Stability at 20-25°C: 4-(Dimethylamino)pyridine, ReagentPlus with stability at 20-25°C is used in laboratory reagent storage, where consistent quality is maintained over extended periods. Particle Size < 100 μm: 4-(Dimethylamino)pyridine, ReagentPlus with particle size < 100 μm is used in solid-phase organic synthesis, where rapid dissolution and even dispersion are critical. Assay (GC) ≥ 99.0%: 4-(Dimethylamino)pyridine, ReagentPlus with assay by GC ≥ 99.0% is used in catalyst screening studies, where it ensures reliable and reproducible catalytic activity. |
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At our production site, chemists shape new molecules every day using dependable partners like 4-(Dimethylamino)pyridine, or DMAP. This is not just another catalog entry or a generic building block—it's a compound that holds a special place on our shelves, and our process engineers recognize its unique role in advancing transformations that keep academic and industrial labs at the forefront.
Consistency is a word we take seriously. Our ReagentPlus DMAP stands out because we control every step, starting from material selection to the finishing of every batch. We screen our raw materials to avoid unseen impurities that might escape many traders' notice. Down the line, our purification protocols leave no room for residues that sometimes create headaches during chromatographic purifications or leave unaccounted signals in diligent NMR analysis.
Many researchers have experienced the frustration that comes from unexpected side-products or inconsistent yields in catalytic acylations or esterifications. In most cases, these issues stem not from the protocols, but from subtle contaminants buried in the reagents. Our ReagentPlus grade backs up its name with strict spectroscopic benchmarking and control that directly trace back to our own process validation standards. As a result, users can keep their synthetic protocols reproducible, whether they're running a one-gram trial or scaling up to multiple kilograms.
Our DMAP doesn't come from a faceless chain of vendors. Instead, we work with sample splitting and reference standards. Each batch has its NMR and HPLC fingerprint matched against our benchmark, not just a generic datasheet. The material runs through melting point tests, colorimetric checks, and water content analysis. We keep water content under a strict threshold—a crucial parameter for catalytic activity since DMAP easily binds moisture from air, affecting both nucleophilicity and handling.
Solubility in typical organic solvents gets careful attention from our QC teams. Some users report “gummy” residues with other providers’ stocks; our team monitors solvent compatibility to minimize these annoyances. This attention allows smoother reactions in high-throughput work or routine ester and amide coupling cascades, especially where automated liquid handlers demand true consistency. Powder flow, color, and odor also matter—details we track so synthetic operations can move forward free from hiccups that arise when compounds don’t behave as expected.
Out in the field, DMAP fills varied roles, but the most well-worn is as a nucleophilic catalyst for acyl transfer reactions—especially esterifications and amidations. The difference becomes clear when it helps convert stubborn carboxylic acids and alcohols into esters at room temperature, often when standard bases or catalysts fall short. Customers who push selectivity or speed in their chemistry often run direct comparisons. The right DMAP—clean, potent, and moisture-controlled—unlocks better yields and cleaner reaction profiles that show up in the purity of chromatograms. There’s no shortcut for this kind of outcome: it comes from careful, repeatable production, not repackaging background stock.
Beyond the classic coupling reactions, practitioners turn to DMAP for carbodiimide-mediated couplings in peptide or nucleoside chemistry. Our team has worked alongside scale-up partners who experimented with different qualities and quickly found themselves back at our door after obscure side-products showed up—traced directly to low-grade supplies. Pharmas and contract manufacturers often run validation lots, running our product side-by-side with other brands, then base their critical process decisions on fine but vital differences.
Academics tell us they care deeply about trace-level impurities. Graduate students, postdocs, and research scientists depend on unambiguous results for publications or patent filings. A bad batch can cost weeks of work, especially with time-sensitive transformations where amide bond formation, protection group manipulations, and ring-closing reactions need to run predictably. The DMAP we make goes through repeat batch-to-batch checks for this reason—a system born out of our own in-house frustrations with cheap or inconsistent materials that once held back our R&D group as well.
Comparison with generic DMAP exposes the manufacturing choices underneath. Standard technical or “lab” grades may look similar in a vial: pale yellow to off-white powders that smell faintly of amines. Crack open the analytical reports, and fine differences leap out—not only in known structural impurities, but also in trace organics and metals pulled from earlier production steps or packaging containers. Over time, too many overlooked impurities have caused headaches for both us and our customers. Chromatography columns clogs, side-reactions compete, and sensitive catalysts decompose—these are not rare events, but daily complaints shared by users around the world.
Our ReagentPlus DMAP doesn’t guarantee magical chemistry. What it provides is reliability. It meets strict limits for heavy metals, for colored impurities, and for water—all factors that might otherwise introduce noise into analytical assays or decrease the longevity of automated reaction platforms. ESCA and ICP-OES screening over multiple lots give both us and our clients confidence. Practically, this means users can depend on predictable outcomes batch after batch, project after project, with only rare need for troubleshooting caused by unpredictable raw materials.
We’ve put time into making sure the product holds up after shipping and storage, too. DMAP has a tendency to discolor when exposed to light and air, especially in high-humidity environments. Over the years, we reworked our storage protocols, upgraded inert packaging, and designed custom moisture and oxygen barrier liners. These steps came directly from user feedback after difficulties with lesser-protected products. To date, our shipping failures remain minimal—an outcome our logistics and customer service teams track as closely as yields or purities.
Working at the manufacturer’s bench gives a front-row seat to what can go wrong from off-brand reagents. An unfamiliar buffering salt or vague discoloration might look harmless, but on scale, these subtle defects balloon into delays or blown deadlines. Our clients run pilot batches and routinely send back feedback about how minor differences in DMAP—from melting behavior to moisture sensitivity—directly impact the rest of their workflow. For every hundred grams of substandard product that arrives, expect to see unexpected TLC spots, low recovery, or even mysterious new NMR or LC/MS peaks. These come not as stories but as real problems, each one eating away at budgets and timelines.
Colleagues regularly request lots matched to previous orders—to guarantee consistency for high-value syntheses or analytic grade reactions. We keep tight retention samples and real analytical records so we can trace and troubleshoot, supporting researchers who run sensitive transformations or validations. This practical relationship with the scientific community grounds all of our product decisions. We don’t simply pass accepted industry standards; we try to build confidence that a project relying on our DMAP won’t stall at the hands of invisible contaminants or batch-to-batch variability.
Chemical manufacturing, at its heart, doesn’t leave room for shortcuts on purity or handling. As someone who’s had to answer directly to production teams and R&D chemists about an unexpected impurity or color change, I know getting the basics right means more than hitting numbers in a certificate of analysis. It means stability in crystal form, predictability in melting behavior, and honest feedback from teams who put the compound through real-world conditions. DMAP acts as a litmus test for how well a manufacturer really pays attention to detail.
Over the last decade, we’ve seen a steady rise in calls for DMAP from not only pharmaceuticals, but also from researchers in advanced materials, catalysis, and green chemistry. Newer methodologies in organic synthesis demand DMAP to stay clean and effective—not just for traditional uses, but also for specialty processes like organocatalysis and ionic liquid media. The stakes in these sectors feel higher; a contaminated batch can shut down an entire pilot campaign.
To respond, we keep direct channels with both end-users and purchasing scientists. Whenever a new process or reaction catches on, our technical teams review the arising requirements, update internal controls, and tweak purification steps, packaging, or documentation. This hasn’t stayed static. Advances in analytical instrumentation now spotlight new contaminants. In parallel, expectations for sustainable manufacturing ramp up, meaning our internal R&D constantly searches for less wasteful processes that maintain, or even enhance, the purity required. Our clients know we will flag changes, not keep them hidden, and we stand ready to discuss tweaks to quality if they surface as demands change.
From working directly with contract development and manufacturing organizations, we observed how tailored packaging makes a difference for high-throughput synthesis. Feedback led us to offer different container sizes, down to air-tight, low headspace bottles—improvements that cut down exposure and maintain reactivity without frequent requalification or recycling of material. This approach has made its way into our standard practice, reflecting the real, ever-adapting needs of the chemists and engineers who use our DMAP.
Safety in chemical manufacturing means more than simple compliance. DMAP’s tendency toward forming toxic dusts or vapors during transfer prompted us to introduce better containment and dispensing systems. Some clients once described clouds of powder during weighing steps; we responded by exploring denser granulation and antistatic kits to cut back airborne exposure. These modifications do not show up in specifications tables, but they do help reduce accidents and improve day-to-day usability. Routine operator training based on our internal incidents and near-misses guides clients, too, reinforcing a responsible chain from our plant to their bench.
On the transport side, we grappled with temperature fluctuations and long transit delays, especially for global shipments. DMAP’s slight volatility put a spotlight on packaging integrity. Some batches that once arrived caked or clumped taught us to introduce better monitoring and to embed shock-absorbing liners, desiccants, and tamper-evident seals. End-users once wrote about lost productivity when dealing with repackaged or relabeled stocks—experiences that led us to maintain in-house packaging rather than outsourcing this vital step.
Handling chemical product complaints and technical support are not just checkboxes for us. We make use of remote troubleshooting, direct field support, and rapid re-supply guarantees. If an issue develops, users reach someone who knows the batch, the production date, and the full analytical story, not a call center. This is part of our culture. End-users who faced downtime with off-brand DMAP shared with us hard-earned lessons about scrimping on source and documentation, and we adapted by tightening every link in our supply chain.
DMAP may sit on the bench for just a few hours in a synthetic sequence, but its environmental profile lasts much longer. As upstream suppliers, we rolled out initiatives to recycle solvents and minimize process waste. A continual push for cleaner chemistry starts with process audits, switching to greener alternatives or safer cleaning cycles wherever possible. The pressure from clients to meet broader sustainability goals hasn't gone unheard. Every DMAP batch reflects both efficiency in production and waste minimization in packaged goods.
Feedback from large-scale users encouraged us to phase out old containment types, switch to recyclable or reusable drums for bulk orders, and develop programs for returning empty containers. Our technical teams even worked alongside local waste operators to design safer, more accountable waste management policies—work that once seemed marginal but now draws positive responses from safety officers and environmental auditors alike. From sourcing to the final rinse-off of glassware, every step matters, and we see the positive ripple effects each time another contract portfolio chooses higher-grade, responsibly sourced DMAP.
From the beginning, we’ve relied on hands-on manufacturing and a continuous feedback loop between chemical workers, technical teams, and researchers. Far from being an abstract supplier, we open up our shop floors to auditors and welcome requests for in-process sampling. We share our analytical data not only with regulatory authorities but with our clients hungry for real-world transparency. This approach lets our clients—ranging from academic groups to global pharma companies—base their protocols on trust, not hope.
Publications that cite our DMAP do so after rigorous validation, not just a name on a purchase order. This accountability shows up in the way we trace raw materials, in our responses to technical queries, and in our ability to pinpoint—and correct—rare out-of-spec lots. Our manufacturing mindset prioritizes honesty: we call out limitations or issues as soon as they arise, and our users notice the difference, especially compared with feigned reassurance served by repackagers or traders.
DMAP—this familiar catalyst and base—has brought more than its share of headaches to labs that ignored pedigree or manufacturer transparency. By building in real stability, tracking every variable, and learning from direct engagement with users, we've raised our ReagentPlus grade to meet the requirements of contemporary science, not just the textbook or an old datasheet. For the researchers who depend on every parameter, the difference is plain. They face fewer failed reactions, clearer spectra, and less downtime—outcomes that reflect the value of dealing with a true chemical manufacturer rather than an anonymous source.
This is more than selling a commodity: it’s about making research just a bit more certain, one batch of DMAP at a time.