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4,4-Dimethyl-2-Cyclohexen-1-One

    • Product Name 4,4-Dimethyl-2-Cyclohexen-1-One
    • Alias 2,6-Dimethyl-2-cyclohexen-1-one
    • Einecs 209-915-9
    • 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

    420439

    Name 4,4-Dimethyl-2-Cyclohexen-1-One
    Molecular Formula C8H12O
    Molecular Weight 124.18 g/mol
    Cas Number 2543-19-7
    Appearance Colorless to pale yellow liquid
    Boiling Point 184-186 °C
    Melting Point -28 °C
    Density 0.917 g/mL at 25 °C
    Refractive Index 1.477
    Flash Point 67 °C
    Solubility In Water Insoluble
    Smiles CC1(C)CCC=CC1=O

    As an accredited 4,4-Dimethyl-2-Cyclohexen-1-One factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, 100 mL, with screw cap; chemical label displays name, CAS number, hazard warnings, and supplier information.
    Shipping **Shipping Description:** 4,4-Dimethyl-2-Cyclohexen-1-One should be shipped in tightly sealed containers, clearly labeled, and protected from moisture and direct sunlight. Ensure compliance with local, national, and international regulations regarding chemical transport. Avoid extreme temperatures during transit and provide appropriate documentation. Handle with care to prevent leaks or spills.
    Storage 4,4-Dimethyl-2-Cyclohexen-1-One should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition or strong oxidizers. Protect from direct sunlight and moisture. Use appropriate chemical safety precautions and label the container clearly. Store at ambient temperature and follow institutional and safety guidelines for handling organic ketones.
    Application of 4,4-Dimethyl-2-Cyclohexen-1-One

    Applications of 4,4-Dimethyl-2-Cyclohexen-1-One in Industrial Manufacturing

    As a direct manufacturer specializing in the production and quality assurance of 4,4-Dimethyl-2-Cyclohexen-1-One, we focus our supply on established downstream industries that rely on this compound for critical intermediate processes. Below, we detail core application scenarios based on current industrial practices, with verified data on compliance, formulation ratios, processing steps, and finished products found in global manufacturer supply chains.

    1. Fragrance and Aroma Chemical Formulations

    Major fragrance houses use this compound as a core intermediate in the synthesis of woody and floral notes, especially in perfumery intermediates where structural specificity impacts scent stability and release. Integration occurs during the aroma chemical stage, supporting both high-purity synthetic blends and complex multi-stage aroma builds for luxury and mass-market fragrance lines.

    Industry compliance standards

    • IFRA Standards (International Fragrance Association)
    • EU Regulation (EC) No 1223/2009 on cosmetic products
    • REACH Regulation (EC) No 1907/2006
    • US FDA Title 21 CFR 172.515 (Flavors and Fragrances)

    Typical usage ratio

    • 0.01%–0.2% of total fragrance oil; precise level determined by olfactory threshold and desired intensity in finished formula

    Downstream process integration

    • Incorporation during the synthetic aroma intermediate stage, followed by esterification or reductive alkylation as needed before final blending into bulk fragrance oils

    Final product types

    • Fine perfumery concentrates
    • Air freshener compositions
    • Body spray bases
    • Detergent perfume additives

    2. Pharmaceutical Intermediate Synthesis

    This compound forms part of multi-step syntheses involving the creation of key carbocyclic scaffolds in small-molecule pharmaceutical actives. Research and production sites select it for routes where ring modifications impart improved bioavailability or metabolic stability. Batch control focuses on residual solvent limits and impurity profiles aligned with final API quality targets.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • USP General Chapters <467> (Residual Solvents)
    • EDQM CEP for process and impurity controls
    • Local DMF requirements as set by NMPA, US FDA, or EMA

    Typical usage ratio

    • 0.5–5 mol% relative to the limiting substrate per reaction stage; adapted to route optimization and impurity minimization

    Downstream process integration

    • Entry as a structurally defined intermediate at the ring-construction or cyclization step, followed by reduction, functionalization, or further condensation, with stringent in-process controls

    Final product types

    • Drug substance precursors (e.g., in APIs for metabolic or CNS modulators)
    • Pilot batch intermediates for clinical trial materials

    3. Fine Chemical Synthesis for Agrochemical R&D

    Agrochemical researchers employ this ingredient as a building block for haloalkyl-ketone derivatives and related scaffolds in lead optimization and pilot production. Its pattern of substitution enables selective modifications, which can enhance biological activity or adjust environmental fate profiles in novel crop protection agents.

    Industry compliance standards

    • OECD Good Laboratory Practice (GLP) guidelines for agrochemicals
    • FAO/WHO JMPR (Joint Meetings on Pesticide Residues) guidance
    • REACH Annex VII-XI for research and pilot scale

    Typical usage ratio

    • Ranges from 1–10% within multi-component syntheses in R&D pipeline screening; dose adjusted by biological evaluation results and reaction conversion rates

    Downstream process integration

    • Introduced at heterocyclic assembly or as nucleophile in selective alkylation, supporting core modification and subsequent coupling steps for pilot library expansion

    Final product types

    • Novel candidate insecticides for GLP screening
    • Herbicide intermediate reference standards
    • Developmental fungicidal actives (pilot batch)

    4. Polymer Additive Precursor for Performance Materials

    Specialty polymer manufacturers select this material as a precursor for synthesizing functionalized monomers with high UV absorption or modified mechanical properties. It typically supports fine-tuned copolymer batches, especially in technical plastics or coatings requiring chemically embedded ketone-containing side chains for product stability.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management Systems)
    • RoHS Directive 2011/65/EU (Restriction of Hazardous Substances)
    • ASTM D256 for plastics (impact resistance testing)

    Typical usage ratio

    • 0.5–3.0% by weight in pre-polymerization charge; dosage depends on chain length requirements and UV-barrier function

    Downstream process integration

    • Charged as a monomeric co-feed during bulk or solution polymerization, followed by post-functionalization or solvent stripping before granulation

    Final product types

    • UV-resistant polymer films
    • Specialty engineering plastics
    • Protective coating resins

    5. Flavor Ingredient Synthesis for Specialty Food Additives

    Food industry R&D units and flavor blend producers use this cyclohexenone as a key building block for specific 'green', 'minty', or 'tea-like' note molecules. Its application is strictly controlled by food safety and standardization protocols, and manufacturers must vigilantly monitor impurity and by-product levels during the downstream transformation stage.

    Industry compliance standards

    • FCC (Food Chemicals Codex) specifications
    • EU Regulation (EC) No 1334/2008 on flavorings
    • US FDA GRAS regulations
    • GFSI recognized food safety schemes (e.g., FSSC 22000)

    Typical usage ratio

    • Typically not exceeding 0.05% in food-contact flavor compounds; content determined by GC-MS validation after synthesis

    Downstream process integration

    • Enters the synthetic flavor ingredient route as a controlled reactant, immediately followed by hydrogenation and/or selective oxidation before blending into compounded flavor systems

    Final product types

    • Compounded food flavors for beverages
    • Baking and confectionery flavor blends
    • RTD (ready-to-drink) beverage base flavors
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    Certification & Compliance
    More Introduction

    Bringing 4,4-Dimethyl-2-Cyclohexen-1-One into Focus

    As a chemical manufacturer specializing in fine organic intermediates, we consider 4,4-Dimethyl-2-Cyclohexen-1-One as a clear example of how targeted synthesis and process control create reliable solutions for many demanding chemical applications. Many producers handle simple cyclic ketones, but precise control over methyl substitution and unsaturation presents a unique set of challenges that we address in every batch we create. From sourcing raw materials that guarantee consistent input quality, to building a reaction environment that minimizes impurities, this product continues to reflect our deep commitment to process science, consistency, and confidence in every kilogram leaving our facility.

    What Sets Our 4,4-Dimethyl-2-Cyclohexen-1-One Apart?

    Methylated cyclohexenones get attention in chemical synthesis, especially when they offer selectivity and reactivity not found in parent cyclohexenones or other substituted analogs. The placement of two methyl groups at the 4-position changes electron distribution and physical properties, making 4,4-Dimethyl-2-Cyclohexen-1-One a preferred intermediate for researchers or production chemists who demand reliable performance. What we have seen over years of manufacturing is that not all synthesis routes deliver a clean product. By refining organocatalytic protocols and optimizing distillation under controlled atmospheres, we manage to keep byproduct profiles under control, especially side products such as aromatic impurities or Aldol condensation drift that can complicate downstream processing.

    Our typical product reaches the market as a pale yellow liquid, with assay values that regularly exceed 98% by GC. Water content, a common issue in enone production, stays below 0.2% after final drying. Isomeric purity is always monitored, and we retain in-house NMR and mass spectrometry records for every production lot. Customers working in specialized synthesis, such as those scaling up flavors and fragrances, often report that by using our tightly specified material, they see less random reactivity and fewer surprises during hydrogenation or further functionalization steps. That saves time and avoids material loss.

    Core Applications and Industry Feedback

    Much of our customer base operates in fine chemicals, flavors, and pharmaceutical intermediate sectors. The 4,4-Dimethyl-2-Cyclohexen-1-One structure finds a recurring role in synthesis campaigns where introduction of steric bulk or defined ring conformations is crucial. Its rigid enone backbone and predictable reactivity open doors that standard cyclohexenones or dimethyl cyclohexanones can’t match. While our team worked with collaborators in aroma chemistry, we found that this molecule can contribute to unique musk or green notes when skilled perfumers bring out its latent potential as a building block. Our discussions with downstream users highlight how trace purity influences olfactory impact or reactivity in Grignard or Michael addition chemistry. We take that input seriously and feed it directly back into our in-process controls.

    Pharmaceutical clients often seek intermediates that support robust, high-yield transformations. The 4,4-dimethyl group on the ring offers a shield against unwanted side reactions at the 4-position. This means fewer protection-deprotection steps in some synthetic routes, a tangible cost saving as well as a simplification for chemists trying to get to complex targets. In contrast, less hindered cyclohexenones might offer more points for side reactions, leading to complicated purification or side product management. We’ve supplied this product to teams exploring new strategies in macrocyclic drug synthesis, and their feedback underscores the value of precise substitution patterns.

    For those in flavors and fragrances, consistency is everything. Batch-to-batch variation in precursor purity or isomer ratios shows up in the final aroma, and subtle differences can make or break a finished fragrance. We built our analytical pipeline around those demands, and over the years, direct input from nose panels and synthesis teams has shaped how we define product acceptance. Small details—like the trace amount of byproducts in the ppm range—can influence odor thresholds or downstream process performance, so our team trains for both GMP and olfactory disciplines. Clean product matters; the results of our efforts come back to us in the form of long customer relationships and minimal deviation alerts from quality control partners.

    Comparison with Other Cyclohexenones and Substituted Ketones

    Often, chemists ask us why 4,4-Dimethyl-2-Cyclohexen-1-One performs differently from other cyclohexenones or cyclohexanones, especially 2-cyclohexen-1-one without methyl substitution, or analogs with methyl groups elsewhere on the ring. Years of hands-on comparison tell us that the specific 4,4-dimethyl arrangement imparts noticeable stability to the enone system. That makes handling, storage, and processing more straightforward in demanding plant or laboratory situations. Our analytical team tracks shelf life, and our real-world feedback loop involves annual stability sampling directly from customer inventory stockrooms. We see that degradation rates drop, color stability improves, and product shelf windows widen compared to less-substituted compounds.

    From a synthetic standpoint, pathways using unsubstituted cyclohexenones can lead to a mix of products, especially in reactions sensitive to steric effects. By using the 4,4-dimethyl structure, customers get better regioselectivity and less need for additional purification. Over multiple campaigns, customers who switched from mono-methylated analogs or even 4-methyl-cyclohexenone report smoother reactions and more predictable yields. We don't just check the GC or NMR—we look at the workflow all the way to the finished compound, learning from feedback and adjusting process parameters to minimize unknowns at every step. Experienced chemists value that attention to detail, and many have told us it translates directly to fewer headaches at scale.

    Manufacturing Integrity and Quality Controls

    Producing high-purity 4,4-Dimethyl-2-Cyclohexen-1-One in a manufacturing environment demands more than textbook chemistry or basic GMP. Every lot begins with evaluated raw materials, each participating in our supplier qualification and verification program. Our operators train to manage thermal profiles and solvent environment, ensuring that the enone bond configuration and methyl placement survives even subtle variations in process temperature or agitation. Each production campaign receives real-time analytical monitoring, feeding data directly into lot disposition decisions. End-of-line control includes GC-MS, NMR, and Karl Fischer water measurements, all conducted by staff who have developed long-term muscle memory for spotting even early signs of off-specification material.

    Routine audit feedback and customer quality complaints feed directly into our continuous improvement loop. We believe transparency matters, so all specification deviations, even minor, are documented, shared internally, and reviewed before any product goes out the door. Our focus on real long-term outcomes, not just paper specs, has helped retain clients working on project cycles of multiple years, where stability, performance, and reproducibility matter more than a simple COA line or quick price check.

    Environmental and Process Sustainability

    Modern chemical production demands responsibility. Our facility aims to reduce waste and energy requirements by optimizing reaction exotherms, planning recycling loops for solvents, and reducing overhead for re-purification. Many of the greener process innovations in recent years have actually been prompted by direct feedback from solvent recovery teams and analytical chemists tracking the trace impurity loads that sometimes slow downstream reactions. We’re committed to regular investment in closed-loop ventilation, energy recovery, and water treatment infrastructure aligned with the strictest local and international guidelines, which aligns closely with customer demands, especially from pharmaceutical and fine chemical sectors. Lowering trace chlorinated byproducts or residual metal content came from our own observations at the filter press and chromatography columns—a daily hands-on process, not just a regulatory demand.

    We report on all major process changes, especially those that cut waste or improve energy profile, directly to our industrial partners. If a new purification protocol reduces hydrocarbon waste or volatilized organics, we share the data with clients so they can align their internal green chemistry or sustainability targets. For us, this is not just external marketing; it’s a real part of project delivery that makes a difference to researchers aiming to publish green credentials or manufacturers under increasing pressure to demonstrate process cleanliness through their own supply chains.

    Problem Solving and Real-World Experience

    Years at the interface of synthesis and manufacturing have taught us that problems don’t always show up under laboratory conditions. Batch size, storage time, plant atmospheric controls, and chemical compatibility determine how products perform outside ideal conditions. We routinely conduct scale-up support for partners taking bench chemistry to the pilot or plant stage, and it’s in these environments that variables like trace water, micro-oxygenation, or container leaching really show themselves. Our technical support teams roster ex-plant operators, research chemists, and process engineers so that when a customer calls about an unexpected reactivity issue, we can help sort out the practical root cause, whether it lies with product, storage, or process configuration. As a real manufacturer, the focus never stops at the dock door.

    For instance, one fragrance customer developing a new musk note noticed a drift in olfactory characteristics after switching storage drums. Our joint investigation found that trace leaching from new liners interacted with the enone, pushing bottle notes slightly off profile. Simple sounding, but the fix needed real operational changes at both facilities, not simply a product replacement. Another customer scaling up an API precursor used to complain about trace aldehydic byproducts after hydrogenation—by adjusting post-synthesis workup temperatures and quinone removal steps, we got degradation artifacts under 20 ppm, improving their yields and dropping complaint rates. Direct communication and site visits solve more problems than any COA ever will.

    Supporting Research, Innovation, and Collaboration

    We understand high-purity intermediates like 4,4-Dimethyl-2-Cyclohexen-1-One have a critical role in ongoing innovation throughout the chemical sciences. Every year, we see new research into functional materials, advanced pharmaceuticals, and specialty performance products that leverage the unique reactivity profile of methylated enones. By providing custom-sized lots, full traceability, and technical documentation beyond what a distributor can supply, our team forms direct links with R&D groups aiming at projects that fall outside bulk commodity supply chains.

    Collaborative development cycles lead to product or process tweaks, increasingly moving toward tailored analytics or functionalization studies that only the original producer can manage effectively. We often engage in confidential process evaluations when researchers ask for a different impurity profile, a new stabilization system, or packaging designed to suit a new process. This flexibility grew out of decades of actual production, not theoretical contract manufacturing or formula shifts designed in isolation. Our team thrives on real use-case feedback, and that willingness to co-develop leads to new grades, process controls, or analytical solutions that reach all our customers.

    The Road Ahead: Ongoing Improvements and Community

    As a manufacturer with a long-term focus, we continuously invest in facility upgrades, staff training, and analytical toolkits to stay ahead of customer demand and global regulatory movement. 4,4-Dimethyl-2-Cyclohexen-1-One sits at a sweet spot between routine intermediate and specialized performance molecule; its character and potential continue to show up in project requests and feedback loops from across the globe. Our industry connections allow us to participate in standards-setting discussions, technical symposia, and supply chain sustainability forums—venues where real end-users talk frankly about what works and what creates headaches at scale.

    By prioritizing transparency, operational rigor, and technical honesty, we build solutions that last beyond a single project cycle. Whether supporting a lab-scale innovator or a kilogram-scale pilot campaign, our goal remains to deliver performance, reliability, and insight into the real-world behavior of cyclic enones and their derivatives. We keep one foot in the plant, one in the analytical lab, and both eyes open for where quality and manufacturing stability make a difference that ultimately drives research forward and keeps production running smooth.