4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone

    • Product Name: 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone
    • Chemical Name (IUPAC): 4-(dimethylamino)-2,3-dimethyl-1-phenyl-1,5-dihydro-1H-pyrazol-5-one
    • CAS No.: 77-73-6
    • Chemical Formula: C13H17N3O
    • Form/Physical State: Crystalline Powder
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
    • CONTACT NOW
    Specifications

    HS Code

    137242

    Chemical Name 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone
    Molecular Formula C13H17N3O
    Molar Mass 231.30 g/mol
    Appearance Yellow crystalline powder
    Melting Point 157-160 °C
    Solubility Water Slightly soluble
    Solubility Organic Soluble in ethanol and chloroform
    Cas Number 89-25-8
    Iupac Name 4-(dimethylamino)-2,3-dimethyl-1-phenyl-1H-pyrazol-5(4H)-one
    Density 1.15 g/cm³
    Boiling Point Decomposes before boiling
    Synonyms 4-(Dimethylamino)antipyrine

    As an accredited 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 100-gram amber glass bottle with a screw cap, labeled as "4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone," for laboratory use.
    Container Loading (20′ FCL) 20′ FCL container can load approximately 10-12 metric tons of 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone, packed in standardized drums.
    Shipping **Shipping Description for 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone:** Ship in tightly sealed, chemical-resistant containers. Protect from light, moisture, and incompatible substances. Label appropriately and follow all local, national, and international hazardous material transport regulations. Store and transport at room temperature, away from sources of ignition and strong oxidizers. Use secondary containment for spill prevention during transit.
    Storage 4-Dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of heat and ignition. Protect from direct sunlight, moisture, and incompatible substances such as strong oxidizers. Properly label the container and restrict access to authorized personnel. Store according to chemical safety standards for laboratory reagents.
    Shelf Life Shelf life: Stable for at least 2 years when stored in a cool, dry place, protected from light and moisture.
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    Certification & Compliance
    More Introduction

    Introducing 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone: A Chemical Manufacturer’s Perspective

    From Raw Inputs to Finished Product: The Journey of Our Pyrazolone Compound

    Year after year, our team pours experience and judgement into producing 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone. Ours is not an assembly line operation, but a careful orchestration from selection of raw materials to final purification. This compound has been adopted by manufacturers in printing, color chemistry, and specialty research settings for a reason—each batch holds up to high scrutiny, performing to the strict demands of innovation and stability.

    Understanding Its Character: Structure, Consistency, and Reliability

    This compound carries a systematic arrangement—a pyrazolone ring with a phenyl group in position 1 and three methyl groups in positions 2, 3, and the dimethylamino moiety—offering distinct chemical reactivity and selectivity. The way methylation and the dimethylamino group work on the core structure influences both solubility profile and color-forming tendencies. We manufacture this product in a range of grades, most commonly as an off-white to yellow crystalline solid, ensuring consistency from kilogram to multi-ton scale. We pay close attention to crystallinity, moisture content, and particulate characteristics, because these subtle details often dictate downstream reactions and product quality.

    How it Stands Out in the Pyrazolone Family

    Every pyrazolone variant plays a role, but only the 4-dimethylamino-2,3-dimethyl-1-phenyl variety exhibits this combination of electron-rich sites and steric bulk. Our technical staff learned early on how these factors shape complexation behavior with metals and influence the formation of azo complexes for pigment makers. A less substituted pyrazolone, or one with a primary amine instead of dimethylamino, simply doesn’t bond the same way, which shifts color balance and limits applications. The triple substitution on the ring also resists oxidative breakdown—a point not lost on customers who demand longevity in their end-use formulations.

    Our Process: Sourcing, Synthesis, and Quality Guarantee

    Our chemical plant starts with high-purity substrates sourced from suppliers we have vetted over years. Consistency at this first step is key. Synthesis proceeds by controlled methylation, followed by selective amination using procedures honed to limit side products. Advanced filtration and precipitation steps separate the desired pyrazolone from less active isomers or trace impurities. Each batch undergoes rigorous HPLC, GC, and spectral analysis directly in our on-site analytical lab.

    Before shipment, we routinely test each lot not just for standard purity percentage, but for nuanced characteristics like residual solvent, heavy metal trace, and particle size distribution. These quality metrics matter because one shipment might be destined for the production of high-resolution printing inks, while another is bound for research in molecular probes. Experience has taught us to anticipate what our buyers check and proactively address these needs.

    Distinct Advantages for Specific Applications

    Over the decades, customers have found that no other pyrazolone matches this one in performance for certain analytical reagents or dye intermediates. The full substitution pattern imparts resistance to hydrolysis under acidic or basic conditions—a property that other pyrazolones lack, sometimes leading to dye decomposition or color drift. In high-performance inkjet and offset printing ink manufacturing, these stability attributes result in sharper, more lasting print output and less waste from printhead fouling.

    We’ve seen this compound function as a ligand in separation science, especially where conventional chelators falter in competing with background ions. Chemists from academic groups contact us repeatedly to secure consistent samples for such roles, enabling reproducibility in published methods. During chromatography method development, alternate ring substitutions may introduce baseline noise or unwanted interaction with matrix components, yet our product demonstrates predictability on these fronts.

    Specifications and Quality Benchmarks

    We control for moisture content, ash, and acid-insoluble matter alongside main assay targets. Specification ranges arise from feedback in the field as much as from technical literature. Users share observations about solubility in polar and non-polar solvents, dispersibility, and impact on batch kinetics, feeding our iterative process of incremental product refinement. It’s routine for us to adapt the crystal size range (via controlled recrystallization) to cater to inkjet versus ball-milled pigment production, each demanding different properties for downstream processing.

    Many chemical providers simply report a purity number. We go beyond, supplying spectral overlay, chromatographic retention times, and even particle morphology scans—details that matter for high-value, tight-tolerance applications. Our long-standing industrial partners, especially those in Europe and East Asia, frequently visit our facility to check production lots, review documentation, or inspect our advanced filtration systems. Regular audits and round-the-clock process control put transparency at the center of our operation.

    Why Purity Matters: Real-World Lessons

    Some competitors cut corners on the final wash or dry at uncontrolled humidity, so customers wind up with batches that underperform in actual manufacturing use. We learned from trial and error that a slightly elevated solvent residue content could lead to instability in pigment blending or limit long-term batch storage. In the early days, we experimented with lesser grades for the low-end market, only to field repeated complaints about color variability and deposit formation—lessons that led us to invest in a proprietary finishing process and tighter controls at every step.

    Our technical service team keeps in touch with R&D outfits and production managers at customer sites, tracking every complaint and suggestion. Several years ago, a client struggling to replicate a synthetic route for a complex ligand enlisted our help; after cross-checking their results with ours, we isolated an undetected contaminant that came from ambient exposure during a hasty drying step. Since then, we’ve re-engineered our drying tunnels to keep micro-contamination out, reflecting how practical experience shapes our approach.

    Recent Developments: Partnerships and Process Improvements

    We now partner directly with several industry leaders in ink formulation, supplying not just drum-delivered product, but also direct input on process troubleshooting. Where our competitors stopped at bulk supply, we now use a closed-loop feedback system with clients, gathering performance metrics from end-use applications and feeding these back into our regular process review meetings. This back-and-forth exchange keeps both our technical processes and documentation ahead of regulatory revisions.

    In recent years, we responded to rising requests for green chemistry adaptations. Our operations team piloted phase-transfer catalysis to boost yield while reducing residual byproducts. We now offer both traditional and lower-waste process variants, with careful labeling so buyers can choose between maximum purity and minimum environmental impact. Our shift to closed nitrogen handling and contained filtration protects both product quality and workplace safety.

    Regulatory Insights and Transparency

    Navigating compliance in this sector takes more than ticking paperwork boxes. Our shipments come with analytical certificates, contaminant test results, and, where appropriate, full traceability to both batch and operator. We supply this transparency as a standard, enabling international buyers to meet tough regulatory demands before their products enter global supply chains. We have no interest in cutting costs at the expense of long-term trust—providing clarity in documentation and process meets both our own best interests and those of our customers.

    Comparisons: Our Product Versus Alternative Options

    Comparing 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone to unsubstituted or lower-methylated cousins, users see a clear step up in both color stability and lifetime under UV or elevated temperature. We see downstream users, from ink makers to polymer chemists, selecting our product not solely for cost, but for reliability in demanding cycles. Substitutions at other positions on the pyrazolone ring alter color shade and temperature resistance, sometimes opening the door for off-tone output in pigments or reduced shelf life for complex reagents. We invested years in process optimization to solve these issues, so our product allows end users to customize performance rather than working around batch variability.

    In pigment and dye merges, unsymmetrical pyrazolone analogues can impede formation of uniform color tones—one of the most common quality complaints we hear from companies relying on outside blends. Instead of seeking low-cost quick fixes, we have focused on quality consistency as a bedrock of our reputation. Those who have switched to our pyrazolone for use in metallochromic indicator systems report sharper endpoint distinction and fewer false positives, a direct result of the compound’s rigorous structural integrity.

    Supporting Research and Development Across Industries

    Academic and industrial customers often run into obstacles using off-the-shelf compounds from generic sources. Impurities—not always reported on standard technical sheets—can sabotage experiments, slow down process development, and add unforeseen costs. Our approach has been to work directly with research labs, industrial partners, and application developers, scheduling regular reviews and tweaking process controls to fit emerging needs. Such practices ensure our reputation for supplying 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone stands on results instead of advertising claims.

    In life sciences, advanced materials, and photochemistry research, teams depend on tight batch controls—any difference in impurity levels, solvent residues, or even crystal habit may send experiments off course. Our willingness to innovate packaging, improve storage conditions, and communicate openly about analytical data helps both seasoned chemists and new clients make confident purchasing choices. The same product lines are selected repeatedly by research centers focusing on advanced analytical techniques and structure-activity relationship studies because they know what to expect from each reorder.

    Looking Toward the Future: Adapting to Industry Demands

    Industry trends constantly push boundaries—be it in digital printing, specialty analytics, or emerging green chemistry fields. Our team stays active in technical conferences and customer workshops, learning firsthand how users apply 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone and where performance limits appear. Direct feedback loop with industry partners means we adapt our process recipes year after year, investing in new synthesis equipment or refining our analytical lab protocols as new requirements surface.

    Ongoing debate in high-speed inkjet circles focuses on print quality at single-picoliter droplet formation. The stability and dispersibility of dyes made from our pyrazolone product remain at the center of achieving uniform output at industrial scale. Printers and colorant formulators work with us not simply to secure supply, but to develop material data sets that allow them to optimize process variables for energy efficiency, color sharpness, and durability. Our active role—sharing method details and results—generates mutual progress rather than secretive vendor-customer relations.

    Approaching Every Shipment with Responsibility and Integrity

    As the manufacturer, we take full responsibility for every drum, bag, or bottle that leaves our gates. Nothing ships without double-checking both identification and certification. In a market where mislabeling or cross-contamination have real economic costs, we choose the slower, careful path. Close partnership with logistics teams ensures temperature stability and safety guidelines remain in check during transit.

    If an issue emerges in a customer’s application, technical staff here pick up the phone or schedule site visits to learn, solve, and prevent future recurrences. Over three decades of manufacturing this product, our company has built practical knowledge into each stage of production and customer support—helping both smaller start-ups and large multinational operations sidestep routine production pitfalls.

    Dedicated to Quality—Building on Experience and Honest Dialogue

    4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone stands as more than a specialty intermediate; for our factory, it is the result of years of incremental improvement, daily operational vigilance, and a willingness to accept and adapt to field feedback. Instead of chasing the lowest-cost option or the shortest production cycle, we respect every stage from raw input to packaged output, using facts and data to inform each decision. The strong relationships with our partners, coupled with in-depth technical knowledge and an eye for innovation, ensure that the users of our product receive quality they can count on—batch after batch—every time.