Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

4-Dimethylaminobenzaldehyde

    • Product Name 4-Dimethylaminobenzaldehyde
    • Alias p-Dimethylaminobenzaldehyde
    • Einecs 204-398-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    996705

    Name 4-Dimethylaminobenzaldehyde
    Synonyms Ehrlich's reagent
    Chemical Formula C9H11NO
    Molecular Weight 149.19 g/mol
    Appearance Pale yellow to green crystalline powder
    Melting Point 72-75 °C
    Boiling Point 260 °C
    Solubility In Water Slightly soluble
    Density 1.06 g/cm³
    Cas Number 100-10-7
    Pubchem Cid 7416
    Flash Point 170 °C
    Storage Conditions Store in a cool, dry, well-ventilated place, away from light

    As an accredited 4-Dimethylaminobenzaldehyde factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 100 grams of 4-Dimethylaminobenzaldehyde; white label with chemical name, hazard warnings, and handling instructions.
    Shipping 4-Dimethylaminobenzaldehyde is shipped in sealed, chemical-resistant containers to prevent leakage and contamination. It is packed according to regulations for hazardous substances, typically with proper labeling and cushioning inside strong outer packaging. Shipments are handled by certified carriers specializing in chemicals, ensuring compliance with local and international safety and transport guidelines.
    Storage 4-Dimethylaminobenzaldehyde should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizing agents. Protect from direct sunlight and moisture. Store at room temperature and label storage containers appropriately. Always follow relevant safety guidelines and consult the safety data sheet (SDS) for further handling and storage recommendations.
    Application of 4-Dimethylaminobenzaldehyde

    Applications of 4-Dimethylaminobenzaldehyde in Industrial Manufacturing

    4-Dimethylaminobenzaldehyde (DMAB) offers targeted value as a specialized reagent and intermediate for select industrial sectors. Below, we detail authentic manufacturing scenarios where downstream producers regularly use DMAB, highlighting industry-specific criteria, precise dosing integration, process details, and representative product examples for each field.

    1. Diagnostic Reagents for Clinical Laboratories

    Clinical chemistry reagent producers employ DMAB in the synthesis of Ehrlich’s reagent, a colorimetric diagnostic tool widely used for urobilinogen detection in urine analysis and qualitative determination of indoles and tryptophan derivatives. Lab consumable manufacturers incorporate DMAB into liquid or dry reagent formulations for commercial diagnostic kits to support high-throughput hospital workflows and routine clinical screening.

    Industry compliance standards

    • ISO 13485: Medical Devices – Quality Management Systems
    • CLSI guideline GP29 (Reagent Quality Management for Clinical Laboratories)
    • European Pharmacopoeia requirement for reagent purity
    • FDA 21 CFR Section 820 (U.S. GMP for Medical Devices)

    Typical usage ratio

    • 0.5–2.0 g/L in working reagent, with concentration optimized for sensitivity vs. background in test strip or liquid reagent format based on instrument parameters

    Downstream process integration

    • DMAB is solubilized in ethanol, methanol, or acetic acid during the blending phase and combined with buffers and stabilizers before automated filling into vials, ampoules, or onto test pads

    Final product types

    • Colorimetric urinalysis reagent kits
    • Indole test strips for bacterial identification
    • Bulk liquid reagents for laboratory automation systems
    • Readymade diagnostic solution ampoules for pathology labs

    2. Chromogenic Agent in Amino Acid Analyzer Reagents

    Instrument reagent manufacturers formulate DMAB as a derivatizing agent in post-column detection modules for amino acid analyzers. The compound forms chromophores with primary amines after separation, enabling quantification in food chemistry, biomedical research, and pharmaceutical quality control. Strict sourcing and traceability protocols are essential due to direct assay contact.

    Industry compliance standards

    • USP General Chapter <621> – Chromatography System Suitability
    • ISO/IEC 17025: Testing and Calibration Laboratories
    • LGC and AOAC standards for method validation
    • REACH (for chemical substance management in analytical labs, Europe)

    Typical usage ratio

    • 1–5 mmol/L in post-column reagent solution, adjusted by target amino acid group and desired limit of quantitation

    Downstream process integration

    • Dissolved with solvents and stabilizers during automated blending; later incorporated into sealed cartridges or reagent bottles for analytical instrument use

    Final product types

    • Ready-to-use amino acid detection kits for ion-exchange analyzers
    • Pre-mixed chromogenic solutions for integrated LC systems
    • Single-use reagent packs for food and pharmaceutical quality testing

    3. Intermediate for Dye and Pigment Manufacturing

    Dye formulators leverage DMAB as a key aldehyde intermediate in the synthesis of specific azo dyes and condensation colorants, particularly for technical coatings and plastics. Its selective reactivity supports production of tailored dyes requiring N,N-dimethyl-substituted aromatic structure, often used in specialty textile, printing, and plastic coloration applications.

    Industry compliance standards

    • OEKO-TEX® Standard 100 (Textile Dye Safety)
    • GHS Regulation for Chemical Safety Data
    • ISO 9001 QMS (Specialty Chemical Manufacturing)
    • REACH registration (EU Chemicals)

    Typical usage ratio

    • 10–40 mol% of total aldehyde content in dye condensation steps, with level varied by required chromophore structure and color depth in resulting pigment

    Downstream process integration

    • Introduced into reaction vessels during primary condensation or diazotization sequence before further coupling and purification steps in dye synthesis

    Final product types

    • Azo dyes for textile printing
    • Plastic colorants for ABS and polystyrene applications
    • Specialty pigments for technical inks and coatings

    4. Synthesis of Pharmaceutical Intermediates

    Pharmaceutical ingredient manufacturers rely on DMAB as a selective building block for various bioactive molecular intermediates. Process chemists exploit its functional group to construct heterocyclic scaffolds and linkers for drug discovery programs, requiring pharmaceutical-grade sourcing and batch-specific traceability in the custom manufacturing environment.

    Industry compliance standards

    • ICH Q7 – Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US Pharmacopeia (USP), European Pharmacopoeia (Ph. Eur.) reference standards
    • FDA 21 CFR Part 210/211 (US GMP)
    • ISO 9001 (API and Intermediate Production)

    Typical usage ratio

    • Varies from 0.1–1.0 molar equivalents relative to the main substrate, depending on stoichiometric requirements of target intermediate synthesis

    Downstream process integration

    • Charged into reaction under inert atmosphere during condensation, reductive amination, or Mannich-type reactions; followed by workup and purification stages prior to downstream coupling or ring closure

    Final product types

    • API intermediates for neuroscience drugs
    • Heterocyclic building blocks for anti-infective and anxiolytic candidates
    • Research compounds for preclinical development

    5. Histochemical Staining Solutions Production

    Specialty reagent manufacturers formulate DMAB as a critical component in histological staining solutions, where it interacts with tryptophan and related aromatic amines in tissue sections. Pathology labs depend on these solutions to visualize cellular details for disease assessment, requiring chemically pure inputs and standardized preparation protocols to assure diagnostic reliability.

    Industry compliance standards

    • ISO 15189: Medical Laboratories – Quality & Competence
    • CAP Laboratory Accreditation Program (US)
    • European Pharmacopoeia 4.1.1 for Reagent Quality
    • RoHS & REACH compliance for laboratory consumables

    Typical usage ratio

    • 0.2–1% w/v in final staining solution, adjusted to balance sensitivity and tissue morphology preservation in target histological applications

    Downstream process integration

    • Dissolved in ethanol or acetic acid, then mixed with supplementary stain components immediately before filtration and sterile filling into single-use dropper vials or bulk bottles

    Final product types

    • Histochemical staining kits for tryptamine visualization
    • Ready-to-use tissue stain bottles for clinical and academic laboratories
    • Single-dose ampoules for in vitro diagnostic use
    Free Quote

    Competitive 4-Dimethylaminobenzaldehyde prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing 4-Dimethylaminobenzaldehyde: Chemical Insights from the Production Line

    Our Experience Manufacturing 4-Dimethylaminobenzaldehyde

    Inside the manufacturing plant, every batch of 4-Dimethylaminobenzaldehyde feels unique from start to finish. The process never stays on auto-pilot. People imagine the chemical industry runs on generic machines and simple formulas, but keeping specifications sharp demands a well-trained eye, careful adjustments, and a serious commitment to quality. This compound, with the formula C9H11NO, has long served as a backbone for diagnostic and analytical chemistry. Our factory teams have refined each production stage until yields, purity, and consistency align with the demanding standards, not only of research institutes, but also the daily expectations of our customers in industrial and clinical labs.

    The Basics of 4-Dimethylaminobenzaldehyde

    Our 4-Dimethylaminobenzaldehyde comes as a pale to yellow crystalline powder. The exact shade sometimes varies slightly due to trace impurities, humidity, and ambient factors during drying and purification. Each batch starts from high-grade input chemicals, such as dimethylaniline and purified paraformaldehyde. The condensation reaction we run must stay tightly controlled to prevent byproducts and color bodies from forming. Workers keep a close watch as the mixture cools and crystals form, then painstakingly filter, wash, and dry the product to preserve its reactive aldehyde group. Every operator knows that shortcuts or cheap substitutes quickly show up as lost yield or off-color powder after drying—experience has taught us that chemistry punishes carelessness, and 4-Dimethylaminobenzaldehyde is no exception.

    Specifications That Drive Results

    Labs across the world depend on this compound for detecting indoles, urobilinogen, and other analytes. Achieving a minimum purity of 99% stands as our baseline, measured every shift with high-performance liquid chromatography. Any deviation in melting point causes immediate re-examination. Melting points above 72 °C are the sign of a clean process; any depression means an impurity has slipped past the filters and washing steps. The smell—pungent, almond-like—is another harbinger of a genuine sample, and our plant engineers have learned to spot batches with excess residual solvents or ring-substituted byproducts. Packaging happens in an inert or dry atmosphere to prevent slow oxidation and discoloration during storage. Our QA professionals spend hours testing not just for target analyte response, but also for stability at variable temperatures and light exposures. Each drum or bottle receives a traceable record, tying back to the raw material batches and process logs, because a single missed check can cascade through an entire supply network.

    Uses in Practice: Making the Chemistry Count

    A large share of 4-Dimethylaminobenzaldehyde heads directly to colorimetric assays, especially those for indole detection in bacterial diagnostics. The Ehrlich test relies on this chemical—if we cut corners, clinicians and microbiologists lose faith in those critical results. Even in an age of high-end instrumentation, simple color reactions using this compound still save time, money, and labor. For example, many food safety labs count on our batches to check for tryptophan or indole derivatives in foodstuffs. Pharmaceutical companies draw on its reactivity during certain syntheses, while forensic labs—tasked with analyzing trace biological stains—still stock 4-Dimethylaminobenzaldehyde as a standard reagent. We have watched trends in reagent demand rise with each crisis or shift in analytical protocols, but the need for reliable starting chemicals endures.

    Standing Apart from the Crowd

    Competing suppliers exist, but plenty of customers tell us in plain language that product from other plants seldom matches our process control. Much of this comes down to small details: handling the raw dimethylaniline with rigorous distillation, refining crystallization to favor the pure p-form, running batch-scale instead of rushed continuous lines, or training staff to recognize subtle shifts in color and odor. Quality control extends beyond the plant floor—storage, logistics, and shipment preparation are just as critical. Some rivals favor just-in-time production, with product squirted straight from reactor to drum, but we opt for thorough stabilization and accelerated shelf-life testing. Some buyers spot the difference only after a failed assay or inconsistent color response. Experience inside the plant shows that proper purification and validation matter more than clever pricing or streamlined marketing.

    We have seen researchers attempt to substitute similar aldehyde compounds, such as p-tolualdehyde or vanillin, for certain colorimetric or condensation reactions, often due to supply crunches or cost-saving efforts. The results lag behind, both in color development and reaction specificity. The unique N,N-dimethylaminophenyl group in our product yields those characteristic deep-blue and purple hues with many nitrogen-containing analytes, delivering both sensitivity and low background interference. Simple structural differences between isomers or analogues quickly translate into weaker reactivity, unwanted side reactions, or ambiguous test results. Labs experimenting with off-spec substitutes learn quickly—there is a reason method validation depends on assay reproducibility, and it begins with consistent chemistry.

    Our Approach: Quality by Design

    Putting theory into practice shapes everything on our shop floor. We do not gamble with raw material sourcing; each lot arrives with a certificate of analysis, and if the paperwork or test results fall short, our policy is strict: reject it. Trace metal content, water fraction, and organic residues all play a role in the performance of the final 4-Dimethylaminobenzaldehyde batch. We apply both standard methods and custom in-house tests. Once synthesis starts, our reactors stay under constant monitoring—temperature, pressure, pH, and agitation logged every hour. Automation yields consistency, but trained operators step in for fine adjustments during critical stages like crystallization and filtration.

    After separation, we rely on a blend of vacuum drying, thin-layer chromatography, and melting-point determinations as checkpoints. Product sampling rotates between on-shift analysts and central lab staff. A decision tree guides every fork between reprocessing, blending, or final approval. Lapses in these routines spell trouble for customers—most quality incidents trace back to overlooking these fundamentals, not to rare ingredients or esoteric equipment. Years of tracking customer feedback in real time have convinced us that quality assurance is not an abstract concept; it impacts researchers, analysts, and patients closely. A missed impurity or unknown degradation product risks ruined assays and invalid results, which carries human consequences.

    Working with Customer Needs

    Every year brings a new set of questions from buyers and research teams: can we tweak the crystal size, package smaller volumes, or customize the product for new applications? The straightforward answer is that most core properties of 4-Dimethylaminobenzaldehyde must stay fixed for analytical reliability, but options exist for particle size, moisture content, and grade-specific packaging. Specialty analytical protocols sometimes call for extra-pure, microfiltered material; we designed a production line that responds to those requests. Our ongoing investments in new drying technologies, such as fluid-bed and freeze-dryer units, allow tailored moisture levels and finer bulk flow in powders—practical concerns when prepping hundreds of small-volume vials for global shipment. Packaging in UV-protective bottles, double-lined drums, or pre-measured ampoules minimizes accidental degradation and simplifies end-user handling.

    Scale counts, especially for commercial labs or industrial partners that use the chemical by the kilogram. While major users account for bulk orders straight from our main sites, smaller labs and universities depend on flexible shipment options with batch-level traceability. This level of customization rarely features in distributor inventories, which tend to favor broad, generic SKUs over close coordination with customers. Over time, we have learned to collaborate directly with research teams, listen to pivots in experimental design, and respond proactively to regulatory changes or supply chain disruptions. In recent years, fluctuations in logistics networks—sometimes driven by weather, politics, or pandemics—have made secure local inventory and extra quality assurance more important than clever cost savings or promotional deals.

    Ensuring Consistent, Reliable Performance

    Not every lot of 4-Dimethylaminobenzaldehyde is perfect. Just as farmers struggle with harvest variability, our factory sees swings in yield, sporadic impurities, and the constant risk of packing errors or transit damage. We meet these challenges with up-front scenario planning—each wave of production builds on lessons and analytics from prior batches. Failed runs do not get sent down the line or hidden. Instead, plant leads redirect off-spec material to rework units, report the root causes, and log the findings to refine future processes. Our engineers spend as much time fine-tuning filter designs, solvent recovery steps, and airflow dynamics as they do fielding customer emails. It is rare for casual observers to realize how much labor goes into a drum of what seem like ordinary yellow powder, yet our experience shows that uncontrolled production yields frustration up and down the supply chain.

    Every technical advance, from modern reactor controls to cleaner ventilation systems, grows out of this experience on the factory floor. We have put effort into reducing dusting and caking through anti-clumping agents and exploring recyclable packaging that protects both purity and the environment. Customer feedback spurred changes in labeling, batch notifications, and shelf-life extensions. With expanding global shipments, we now run stability studies at tropical and arctic temperatures, posting results that let users store and track inventories with confidence. The feedback cycle between labs and our production crews closes the loop—every problem, delay, or improvement gets documented, dissected, tested, and fed back into our process manuals.

    Comparing to Similar Reagents—Experience Tells the Difference

    People new to chemical analysis often trust price or origin when sourcing reagents, but our staff and clients know practical differences emerge only after weeks or months of use. Close relatives of 4-Dimethylaminobenzaldehyde—such as p-Anisaldehyde or other substituted benzaldehydes—cannot offer the same color signal intensity or reaction speed in standard analytical procedures. Our colleagues report that trace moisture, inconsistent crystal morphology, or subpar solubility in ethanol and acidic solutions leave behind haze or precipitates in test vials—undermining both accuracy and confidence.

    Some substitutes, even those promoted as high-purity, lack the predictable melting range or have persistent background fluorescence that throws off readings in automated plate readers. Our clients handling forensic or medical diagnostics have learned to connect unexpected blanks or ghost bands in analysis directly to overlooked differences in chemical grade. These distinctions matter to us because every complaint cycles back to our phone lines and QA desks. Unjustified substitutions and back-channel sourcing often cost more than they save, once wasted runs and lost time are included.

    Tackling Ongoing Challenges in Production

    Staying current with regulations, environmental expectations, and customer needs is not an afterthought. As new standards for residual solvents, specific metals, and labeling requirements roll out each year, our compliance teams get involved from the start. The knock-on effects touch raw materials, process solvents, and even cleaning protocols throughout the plant. The growing demand for “green” chemistry and reduced-waste manufacturing weighs on us; we cannot ignore public calls for safer, more sustainable methods. Last year, we invested in upgraded scrubbers on vent lines and solvent recovery units. Each improvement became part of monthly safety reviews and compliance schedules.

    Our technical team monitors every update from REACH, FDA, and local agencies. We maintain regular dialog with both customers and auditors, opening the factory for site tours, random batch sampling, and in-depth records checks. We share our technical data and shelf-life projections openly, knowing transparency underpins trust. This culture of openness means small issues—trace contaminants, “off” test results, unusual product recalls—surface early and get solved long before they scale into big problems.

    Solutions for Emerging Needs and Next-Generation Chemistry

    Adaptability marks our difference from suppliers treating chemicals as mere commodities. Several research groups came to us wanting hypoallergenic grades with extra cleaning to avoid cross-contamination in sensitive diagnostic settings. We responded by revising wash protocols and investing in cleanroom packaging. Requests for pre-dissolved solutions in stabilized ethanol, ready to use out of the box, led to new pilot packaging runs. Our process engineers partnered directly with users to dial in solvent purity, additive choices, and accurate volumetric fills made to tight tolerances. Several pharmaceutical partners asked about trace impurity monitoring for regulatory filings, prompting us to offer extra documentation, in-house GC-MS profiles, and backup stability data to meet evolving audit demands.

    The future likely demands even greater attention to traceability, customized batch production, and fast-turnaround shipments. Collaborative projects with academic labs push us to supply small-scale, ultra-high-purity samples for new analytical methods, while industry wants greater batch sizes with built-in testing for critical process parameters. In both cases, reliability trumps novelty—no breakthrough or cost cut replaces the need for proven, lot-to-lot consistency. Laboratory science may advance, but the chemistry of 4-Dimethylaminobenzaldehyde stays rooted in the fundamentals of careful manufacturing, close oversight, and experience gained from thousands of successful batches delivered year after year.

    Conclusion: Chemistry Grounded in Practice

    Decades making 4-Dimethylaminobenzaldehyde have taught us that lasting credibility comes from hard-won experience, not hollow claims. Every plant run, shipment, test, and traceability step reflects this belief. Customers rely on our product not because we say it meets spec on a datasheet, but because each batch makes their own science and industry work predictably. We know small details—sourcing, process, packaging, testing—cannot ever be separated from the bigger picture of reliability in daily chemical use. Our commitment goes beyond each order; it lives in the routines, records, and people who turn raw materials into tools for discovery and diagnostics. For anyone who depends on the chemistry, experience and evidence show that there really is no substitute for doing it right the first time—every time.