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

    • Product Name: 1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone
    • Chemical Name (IUPAC): 4-(Dimethylamino)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
    • CAS No.: 89-25-8
    • Chemical Formula: C13H17N3O
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    296828

    Chemical Name 1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone
    Molecular Formula C13H17N3O
    Molar Mass 231.30 g/mol
    Appearance Yellow crystalline powder
    Melting Point 198-200°C
    Solubility In Water Slightly soluble
    Logp 2.1
    Boiling Point Decomposes before boiling
    Cas Number 60-80-0
    Pka 7.7
    Density 1.18 g/cm³
    Structural Class Pyrazolone derivative

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

    Packing & Storage
    Packing The chemical is supplied in a sealed amber glass bottle, labeled, containing 25 grams of 1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone.
    Container Loading (20′ FCL) For 1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone, 20′ FCL container loading: securely packed 25kg fiber drums, palletized, moisture-protected.
    Shipping 1,5-Dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone should be shipped in tightly sealed containers, protected from moisture, heat, and light. Label containers with appropriate hazard warnings. Package according to local and international regulations for safe chemical transport. Ensure documentation and Material Safety Data Sheets (MSDS) accompany the shipment, and handle with standard laboratory safety procedures.
    Storage 1,5-Dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone should be stored in a tightly sealed container, in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as strong oxidizers. Keep the chemical protected from moisture and store at room temperature. Ensure proper labeling and limit access to trained personnel only. Always follow local safety regulations and guidelines.
    Shelf Life 1,5-Dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone should be stored cool, dry, protected from light; typical shelf life is 2–3 years.
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    Certification & Compliance
    More Introduction

    Experience and Quality Behind Every Batch of 1,5-Dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone

    Developing a Reliable Synthesis

    Producing 1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone calls for close attention to detail from the start. Over the years, our technicians have fine-tuned each step, running reactions under controlled conditions, taking samples, tracking yields, and measuring purity. This work has let us consistently deliver material of high clarity and predictable performance. You don’t achieve this result by treating each order as just a number in the queue. Our process was built on practical troubleshooting, slowly improving every parameter, not aiming for abstract claims but for measured, repeatable quality.

    The pyrazolone ring system offers a valuable foundation for chemical research and industrial synthesis. With its dual methyl groups and phenyl ring, this compound takes on a unique structure that sets it apart among intermediates. Its dimethylamino substitution on the fourth position shifts electronic properties, which carries through to any molecule built from it. Synthesis involves balancing this functionalization without bringing in unwanted variability. We’ve found that careful pH control and freshly distilled solvents go a long way toward limiting by-product formation, helping us keep impurity levels low batch after batch.

    Understanding Purity and Traceability

    In chemical manufacturing, product warranties don’t mean much if purity runs wild or traceability falls off. We have invested in plenty of equipment calibrated to keep an eye on every parameter from moisture content to HPLC and GC spectrums with each lot, not just for official documentation, but because out-of-spec material costs us time and reputation. Analytical teams develop each batch record in real-time, checking spectral data, not filling out reports after the fact. This lets us stay in control not just of what goes out, but what lies behind every shipment to customers and labs relying on us.

    If you have worked through scale-up in the lab, you know how minor shifts in solvent or mixing rates can tip the output toward unwanted side reactions, especially with aromatic intermediates. After dozens of campaigns moving from flask to plant, our team builds safeguards into every run to keep the product consistent year-round. We keep archive samples to benchmark new lots against last season and to provide reference material if questions turn up years down the road.

    Applications and Value in Research

    1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone holds its own in a competitive field of building blocks for dyes, pharmaceuticals, and organic synthesis. Most requests come from R&D teams working on custom dye molecules or as part of formulation screens. The reactivity of the pyrazolone scaffold allows direct introduction into a range of downstream reactions, including diazotization and coupling—an advantage for synthetic chemists who need clean, well-identified inputs and predictable reaction outcomes.

    Some customers come specifically for the substitution pattern on this compound. The dimethylamino group activates the pyrazolone, giving it push-pull character for electron transfer processes. The paired methyl groups increase lipophilicity, useful in medicinal chemistry screening. The phenyl ring steadies the backbone, giving the compound more staying power in solutions compared to simpler analogs. In simple terms, while more basic pyrazolones exist, their lack of substitution narrows their utility in advanced syntheses. Our model with the dimethyl and dimethylamino configuration opens a larger window for reactivity, especially when aiming for structure-activity variations.

    For dye and pigment formulators, this product creates an anchor for colorfastness and unique hues. The chemical’s structure influences light absorption properties, which has led researchers to publish on its value in producing novel colorants for inks, plastics, and textiles. The consistency batch-to-batch means we’ve seen customers return year after year, sometimes after trying less-settled sources where color shade or purity fluctuated too much to allow reliable color matching.

    Typical Model and Physical Characteristics

    As produced, our standard model appears as a finely divided, off-white to pale yellow solid, depending on the synthesis scale and exact purity achieved. No one using this product for advanced research or manufacturing wants visible chunks or powder caking. We use strict drying protocols, including vacuum ovens and controlled atmosphere packaging, to turn out product at consistent moisture content. Our lots consistently match referenced melting points and stay within agreed purity targets verified by HPLC and NMR analysis.

    Packing and handling continue to play a big role even after the reaction is done. The experience of chasing clumpy, poorly sealed powders through a production line has reinforced for us the value of antistatic lining, double sealing, and clearly traceable labeling. Our facility ships in quantities ranging from 100 grams to full drums, each with a unique lot code. These lessons didn’t come cheap, but listening to customers after a winter shipment gone wrong or investigating a complaint about a stained sack made us rethink how we design packaging for specialty chemicals like this one.

    Comparisons and Differentiation from Other Products

    1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone doesn’t overlap one-to-one with more common pyrazolones or amine intermediates. Chemists sometimes look at N,N-dimethylaniline derivatives or unsubstituted pyrazolones in similar reactions. Through experience, we’ve seen how the substitution pattern on this compound influences yield, product color, and downstream compatibility. The combination of its unique skeleton and substitution pattern broadens its usability, particularly in creating extended conjugation or switching reactivity from aromatic amine pathways to heterocyclic platforms.

    We sometimes hear requests to compare our material to general-purpose fine chemicals or to bulk commodity intermediates. The reality is that this compound sits at a higher level of complexity than something like 4-aminoantipyrine or 1-phenyl-3-methyl-5-pyrazolone. The additional methyl and dimethylamino groups bring both synthetic challenge and enhanced properties. Customers have shared feedback that using our material lets them simplify later synthetic steps, reduce post-reaction purification needs, or extend substrate scope in dye coupling. The choice isn’t just academic—every failed reaction puts a project timeline at risk. Having a source with strong analytical support and experienced technical advice can tip the scales for R&D projects.

    Quality Control: Going Beyond Minimum Standard

    We do not set quality benchmarks based solely on the minimums accepted by general certifications. Our staff bench-tests each batch for real-world performance in typical end-use conditions, logging not only the purity but also actual behavior in model reactions. This habit avoids the “meets spec but fails in practice” outcome that slows down development work for our industrial and academic customers. Some rely on us to not just provide product, but to help them troubleshoot unexpected results or recommend adjustments for scale-up.

    Control charts, raw material vetting, and open records for in-process checks form the backbone of our quality system. We keep analytical records traceable to each pack out, so feedback from customers can be backed up with a forensic look at every phase of production—useful if your results demand more depth than a basic certificate of analysis. Staff double-checks every outgoing batch against our historical benchmark data. Dedicated personnel maintain reference archives and reserve samples, so questions about past shipments or unexpected outcomes can trace back to concrete data, not guesswork.

    Supporting Chemists and Technical Teams

    Supplying 1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone means supporting the people behind each order. Many users contact us directly when running into yield problems, solubility questions, or downstream impurity issues. Our technical support team includes former bench chemists who have run similar reactions and know which adjustments make a difference. Conversations start with the actual problem in front of the customer—not a generic help desk script.

    Case studies from our regular clients have deepened our insight into both the compound and its application space. One group working on new organic dyes found that subtle differences in product crystallinity could skew final shades, and we collaborated to set up a custom milling and packaging run. A pharmaceutical group needing higher purity called on us to redesign our purification strategy, and the resulting changes improved yield and reduced solvent waste. These partnerships have driven us to refine methods, invest in new filtration lines, and build flexibility into our plant scheduling.

    Addressing Safety and Regulatory Aspects

    Manufacturing 1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone doesn’t end at the reactor. Safe handling requires both training and practical investment in environmental controls. Our staff receives annual chemical safety updates, hands-on spill prevention practice, and routine maintenance checks for extraction and filtration systems. Working with amines and pyrazolones means designing for containment and minimizing dust during transfer operations. We keep exhaust and waste tracking logs visible in the plant so every operator understands the risks and responsibilities directly.

    Product stewardship extends outside our factory gate, with each shipment accompanied by clear, updated safety guidance. We offer follow-up support should handling or disposal questions come up on the user end—an often-overlooked aspect in specialty chemical supply. Many of our clients have shared stories about being left to decipher ambiguous disposal rules or face uncertainty about workplace safety due to gaps in supplier communication. By keeping experienced technical staff available and updating our safety documentation with changing regulations, we do our part to reduce these preventable issues.

    Sustainability in Sourcing and Operations

    Interest in sustainable production grows every year. Our commitment goes beyond avoiding banned substances or meeting basic compliance demands. We review sourcing logs to chase down batch variability linked to upstream solvent sources or inconsistent supply of aniline derivatives, aiming for local or recycled input where feasible. Energy consumption in reaction and drying steps figures into every production plan, and plant engineers look for ways to reclaim solvent or limit water use, even in the face of tight delivery schedules.

    Reducing waste and improving yield have come from both top-down goals and bottom-up input from the plant floor. Each time a shift team catches a process leak or a misaligned dryer, they document it, and these lessons feed into both SOP revisions and targeted retraining. The goal is to blend robust process control and accountability so we’re not left scrambling after incidents, but are actively tracking how each lot can improve on the last.

    Listening to Customer Feedback

    No lab or production line runs in a vacuum. Feedback loops with users who rely on 1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone allow us to see firsthand how our practices affect applications. We keep open channels for feedback and encourage users to share issues with product appearance, solubility, or downstream reaction behavior. Many process improvements began as customer observations: missed yield targets, dust control complaints, persistent off-color lots. By working directly with chemists running these syntheses, we have shortened troubleshooting times and, in some cases, laid the groundwork for special packaging or higher-purity production runs.

    One area that repeatedly surfaces is the impact of batch-aging on reactivity and storability. Chemists have flagged changes in melting point or color drift after prolonged storage, usually tied back to exposure or subtle shifts in impurity profile. We responded by adopting upgraded packaging processes and encouraging just-in-time stock rotation. These changes didn’t come overnight, but by investigating each complaint and sharing our findings, we have built trust and improved the performance of the product in actual practice.

    Challenges and Ongoing Innovation

    Manufacturing specialty chemicals like this one carries daily challenges, many unglamorous but central to steady supply and customer confidence. As batch volumes shift, and as new environmental and handling regulations emerge, solutions must come as much from the shop floor as from regulatory paperwork. We work to refine plans for scaling up, for producing pilot lots for new applications, and for investing in improved separation and purification.

    Product innovation extends beyond just the chemical itself. New requests for alternative particle sizes, altered solvent residues, or increased traceability push us to tweak equipment and retrain staff. Ours is not a business where you can rest on “fixed” formulas; regular review with QC staff and customers helps us adjust and expand without losing site of what has kept our supply chain robust over the years.

    Looking Ahead: Relating Experience to Changing Needs

    Meeting demand for 1,5-dimethyl-4-dimethylamino-2-phenyl-3-pyrazolone means more than reacting to orders. It’s about engaging with the people behind the syntheses, the production deadlines, and the research goals. Built on years of experience, every improvement in our manufacturing process, quality control standards, and customer support system reflects lessons collected through solving problems, embracing feedback, and focusing on chemical performance instead of marketing gloss.

    Many suppliers offer similar compounds, but continuous investment in plant reliability, staff training, and partnership with the world’s research and production communities has been critical to shaping a reliable offering. Each batch that leaves our facilities stands on a foundation of lived trial, regular adjustment, and sustained openness to the needs of chemical scientists around the world.