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HS Code |
564087 |
| Cas Number | 91-23-6 |
| Iupac Name | 4-Nitro-N,N-diethylaniline |
| Molecular Formula | C10H14N2O2 |
| Molar Mass | 194.23 g/mol |
| Appearance | Yellow solid |
| Melting Point | 55-57 °C |
| Boiling Point | 320 °C |
| Density | 1.107 g/cm³ |
| Solubility In Water | Insoluble |
| Smiles | CCN(CC)C1=CC=C(C=C1)[N+](=O)[O-] |
| Refractive Index | 1.586 |
| Flash Point | 157 °C |
As an accredited 4-Nitro-N,N-Diethylaniline factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 100 grams, sealed with a screw cap, features hazard labels, product name, and supplier information on the exterior. |
| Shipping | 4-Nitro-N,N-Diethylaniline should be shipped in tightly sealed containers, protected from light and moisture, and in accordance with local, national, and international regulations for hazardous chemicals. Proper labeling, safety documentation (SDS), and transport by certified carriers are required, ensuring handling precautions for toxic and potentially harmful substances. |
| Storage | **4-Nitro-N,N-Diethylaniline** should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizing agents. Keep the container tightly closed and clearly labeled. Store in a chemical-resistant, airtight container, preferably in a designated flammables cabinet. Avoid exposure to direct sunlight, heat, and moisture to maintain chemical stability. |
Applications of 4-Nitro-N,N-Diethylaniline in Industrial Manufacturing4-Nitro-N,N-Diethylaniline demonstrates critical value in several specialized industrial sectors. As a dedicated manufacturer, we support advanced downstream integration under controlled conditions to meet the highest industry benchmarks. 1. Azo Dye Intermediate for Textile ColorantsThis compound serves as a primary intermediate in the synthesis of specific azo dyes for textiles. Its aromatic nitro group provides the chromophore foundation, while the diethylamino moiety enables targeted dye performance in cotton and blended fibers. Downstream producers carefully manage reduction and coupling reactions to generate intense, washfast shades that meet market and regulatory demands. Industry compliance standards
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2. Intermediate for Pigment Violet SynthesisThis raw material forms the cornerstone in the preparation of diarylamine-based pigment violets. Downstream pigment manufacturers use controlled N-alkylation and subsequent nitration to achieve vivid hue profiles with improved lightfastness for plastics and coatings. The use of this intermediate supports stringent batch-to-batch consistency for OEM and automotive applications. Industry compliance standards
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3. Chemical Reagent for Laboratory Analytical KitsSpecialty formulation houses employ this compound in the development of colorimetric test kits for analytical laboratories. Its selectivity in redox and electrophilic aromatic substitution reactions allows accurate quantification of specific analytes. Labs value its stability and reactivity profile for standard solution preparation and detection reagent manufacturing. Industry compliance standards
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4. Precursor for Organic Electronic MaterialsManufacturers in the field of organic electronics use this material as a substrate for synthesizing electron-donating components in organic semiconductors. The precise arrangement of nitro and diethylamino groups supports downstream derivatization for application in thin-film transistor and OLED device fabrication. Process control ensures minimal impurity carryover to meet electrical performance standards. Industry compliance standards
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5. Additive in Photographic Chemical FormulationsThis compound functions as a specialized additive in the production of color photographic chemicals, particularly in the formulation of couplers and developers. Downstream processors utilize its electron-donating properties in the synthesis of couplers for color formation layers, ensuring high image stability and accurate color rendering under various exposure conditions required by photographic film and paper manufacturers. Industry compliance standards
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Competitive 4-Nitro-N,N-Diethylaniline prices that fit your budget—flexible terms and customized quotes for every order.
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As a chemical manufacturer with decades spent in organic synthesis, large-scale reaction monitoring, and client-driven production, we know precisely what to look for in specialty aromatic amines. 4-Nitro-N,N-Diethylaniline has become a fundamental building block in our catalog – specifically, we produce this compound under the model designation QD-4NEA, reflecting our established sequencing for nitrogen-substituted aromatics. It stands out for its proven reactivity, clean color profile, and consistent performance in both dye intermediates and pharmaceutical precursors.
Producing 4-Nitro-N,N-Diethylaniline at high purity requires serious commitment to both raw material selection and finished compound trace analysis. Not every lab or plant can hit the right reliability. Our technical team monitors batch yields down to repeat decimal places, and adjusts reagent ratios and distillation conditions based on continuous small-sample feedback. Over years, our process has settled around a tight purity threshold, typically meeting or exceeding 99 percent by GC-MS, confirmed by HPLC.
We sometimes compare 4-Nitro-N,N-Diethylaniline to its analogs, like 4-Nitroaniline or 4-Nitro-N,N-Dimethylaniline. Experience tells us that the diethyl group offers a sweet spot between chemical stability and steric accessibility. Diethylaniline cores survive basic and acidic conditions better than their dimethyl counterparts, which can demethylate or hydrolyze under aggressive steps. Down the chain, this matters for users who rely on multi-step synthesis, as fewer impurity profiles develop when the ethyl group is present.
Each batch of our 4-Nitro-N,N-Diethylaniline displays a bright yellow crystalline form, flowing freely after drying. Our specification cuts moisture to less than 0.3% by Karl Fischer, which can only be achieved through vacuum drying and modest bedding temperature control, not by overbaking – that risks degradation. Standard melting point comes in at 54–56°C, with consistent IR spectra demonstrating signature peaks and an absence of secondary amine byproducts. NMR runs validate the absence of diethylamine residue, a problem that can linger in poorly controlled plants.
We package QD-4NEA in UN-approved containers, using heavy-duty liners to avoid diffusion-based loss or external color changes. We keep drums shielded from bright light and high humidity to preserve the chromophore and avoid micro-oxidation. While competitors sometimes fall short on these controls, our internal tests run all the way from production through delivery, and we hold retain samples for rechecking at every milestone.
Let’s talk about where 4-Nitro-N,N-Diethylaniline typically gets used. The dye industry values it as a core intermediate for producing azo and anthraquinone dyes. Small changes in trace impurities can throw off final dye shade and stability and jeopardize entire pigment lots. Pharmaceutical chemists pick it for its well-defined nucleophilicity – any extra aldehydes, non-aromatic nitro compounds, or even low-level metal residues can poison expensive catalysts or trigger regulatory scrutiny.
As a manufacturer in the chain, we choose to go beyond the minimum—a 1 percent deviation in melting range or chromaticity means extra column runs, reworks, sometimes wasted solvents. Our quality control (QC) lab uses UV-Vis trace scans to spot even faint yellow-brown contaminants before packing. We learned that once a customer’s HPLC system flags an out-of-range minor peak, the cost ripples backwards: lost time, shipping returns, maybe batch recalls. That’s why every order sees a Certificate of Analysis with supporting chromatograms, not just canned numbers.
Chemically, the diethylated structure of 4-Nitro-N,N-Diethylaniline means less volatility under heat and lower tendency for oxidative darkening compared to plain 4-nitroaniline. Many traders try to substitute cheaper dimethyl amines, but the difference shows up in both processing and final product. Diethyl groups bulk up the molecular backbone, delivering stronger oil solubility—an asset for dye chemists formulating in nonpolar blends. End customers, especially those making dispersions or emulsions, see the value in easier solubilization and a tighter melt-point window.
In analytical chemistry, especially HPLC and GC, our variant shows less overlap with typical environmental degradation products, so trace work in finished goods holds up during regulatory audits. Dimethyl or monoethyl analogues often display extra peaks and are more sensitive to acidic or basic hydrolysis, which piles on unwanted side-products during manufacturing scale-up.
From cost to actual performance, our QD-4NEA makes a difference where synthesis throughput and intermediate purity combine to control project budgets. We’ve spoken with clients who spent months fixing defective dye runs traced back to a subtle mix-up in their aromatic core. A few percent of the wrong alkyl group changes everything, from final color intensity to processing waste. Our team’s focus stays on catching these issues early inside our own plant rather than leaving customers to discover the problems downstream.
Not every application pulls the same strings from an aromatic nitro compound. For our customers making colorants, controlling hue and resistance to photobleaching rises to the top. For those exploring new pharma actives, trace impurity profile and reactivity, even under obscure conditions, get scrutinized to the digit. We worked with one European pigment producer who switched to QD-4NEA after years of instability with product from local traders. Their solvents needed an oil-loving amine with predictable melting, and our version let them skip two months of solvent exchange testing. On the pharmaceutical side, a South Asian partner shaved off a week in campaign time by moving to our profile—our compound’s stability curve let their reaction steps pace up with less risk of process fouling.
Over countless runs, our operators develop a feel for what can go wrong. Overheated charge, too rapid nitrosation, sharp pH drops—all can drive up unwanted byproduct levels. Our feedback loop between in-process QC, analytical records, and hands-on reactor care cuts back on these snags. Each lot of QD-4NEA is tracked across dozens of parameters, from incoming nitro reagent titer to final free-base assay, chromatography, and residual solvents. We emphasize process logging, because retrospectively tracing batch drift solves headaches before they spread to our customers’ lines.
The biggest single source of batch-to-batch performance variance comes from water and trace acid levels. Diethylaniline derivatives react poorly to micro-mistakes in aqueous work-up: color drifts, grain size changes, friability increases. Our shop uses vacuum rotovaps, moisture-by-dryer cycling, and micro-aliquot water screenings that cut to below 0.2% water – there’s no shortcut to this level. Technical buyers may not see it in day-to-day use, but chromatograms and visual product checks tell the same story: there’s no substitute for serious process discipline.
Meeting REACH and similar global regulations isn’t window dressing—it keeps our operation credible and sustainable. Each shipment tracks full precursor detail, solvent reclamation rates, and full disposal paperwork. Not all producers step up to this level. We learned the hard way: regulators probe both product and process, and buyers trust only vendors whose chain of custody stretches from barrel to bench. Our QD-4NEA receives internal sustainability review every quarter, including emissions, filtration, and discharge. This commitment pays itself forward, showing up in customer audits, repeat business, and smooth customs clearance.
Risk management means running full hazard analyses and job safety reviews before launching a fresh batch. We pass every employee through training on nitroaromatic safety, and keep active logs of gear, air changes, and quench procedures – any slip becomes an operational cost. Customers want peace of mind that their main reagent didn’t cut corners upstream. Our ongoing documentation stands ready for client review, and we only ship when we can deliver that peace of mind.
On the shop floor, or in the pilot plant, practical needs rule. Our approach runs on transparency, not flashy guarantees. If a client has a problem—sticky material, unexpected melting range, delayed shipments—we prefer real-time response, not bureaucratic brush-off. A regular buyer once reported an odd haze during dye revap; our R&D traced it to a subtle batch variance in residual base. Rather than sidestep, we ran new spectral analysis, sent replacement drums, and updated our self-checks so it wouldn’t recur. These moments matter more than any sales pitch—real improvement stems from both sides laying the facts on the table.
For custom project runs, we routinely adapt QD-4NEA output to suit scale, solvent tolerance, or storage quirks. That means more than swapping out packaging; it means adjusting final moisture, filtering for micron-grade particulates, or even dialing in user-coordinated pH needs, within reason. Several times, we’ve fielded customer requests for a slightly modified aliphatic chain on the aniline backbone. Each time, the open dialogue between our lab’s capabilities and user requirements carried the project all the way to launch.
Availability, consistency, and supply security remain real sticking points across the chemical sector. Years of bottlenecks have shown us that only solid internal logistics, robust sourcing, and respectful partnership make shortages manageable. Take the squeeze from pandemic-induced raw material delays. We navigated through direct relationships with upstream nitration plants, redirecting supply contracts and investing in backup stocks—never offloading these headaches onto our customers. This meant QD-4NEA kept moving even as global surges drained inventories elsewhere. We absorbed volatility by focusing on stable employment for our team and clear promises to our core buyers.
The downstream impact of skipped quality checks ends up reflected in lost time, missed deadlines, and higher costs. We avoid these pain points by sticking to simple principles: centralized QC data, clear lines of responsibility, and no batch released without real sign-off. Our buyers keep coming back because they know where every gram comes from and how every drum was handled.
People ask us: what gives your 4-Nitro-N,N-Diethylaniline an edge? Our honest answer draws from hands-on work, not marketing talk. Generations of chemists trained under one roof pass down trade tricks—how to spot a faint off-color in the filter cake, how to filter off trace iron and copper without losing yield, how to recognize a subtle exotherm shift in the reactor jacket. This depth cannot be faked by copywriters or reseller intermediaries. Every year, we invest in updating our analytics and refining our process steps, but the baseline skills still come from daily grind, observation, and learned judgment.
Our senior operators often stay late to retest a trickier batch, or rerun the dryer for an extra hour to chase out moisture. These little steps barely register in ERP logs, but they show up downstream: dyes run brighter, intermediates synthesize faster, and our buyers experience less troubleshooting. This approach lifted QD-4NEA from a basic commodity to a trusted ingredient in some of the most meticulous industries.
Buyers don’t always get clear answers in this business. Many intermediaries give half-card details or speculative generalities. We take pride in offering direct, fact-backed answers built on our own shop experience. Whether it’s batch history, process adjustment, analytical support, or technical anomaly, we give concrete detail based on how QD-4NEA behaves in actual use. That honesty has set us apart for decades.
With chemical production, the smallest lapse can lead to the biggest problems—both for us and our customers. That’s why we treat every batch and every inquiry as a reflection of our competence. Honest, detail-oriented, technically sound supply keeps QD-4NEA a preferred choice for those who rely on results, not just promises.
