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4-Methoxychalcone

    • Product Name 4-Methoxychalcone
    • Alias p-Anisoylphenylethylene
    • Einecs 207-425-1
    • 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
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    Specifications

    HS Code

    300510

    Product Name 4-Methoxychalcone
    Cas Number 122-70-3
    Molecular Formula C16H14O2
    Molecular Weight 238.28 g/mol
    Appearance Yellow crystalline powder
    Melting Point 86-89°C
    Boiling Point 376.4°C at 760 mmHg
    Solubility Slightly soluble in water; soluble in ethanol and DMSO
    Purity Typically ≥98%
    Density 1.121 g/cm³
    Iupac Name 1-(4-methoxyphenyl)-3-phenylprop-2-en-1-one
    Synonyms p-Methoxychalcone, 4'-Methoxychalcone

    As an accredited 4-Methoxychalcone 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 25 grams of 4-Methoxychalcone, sealed with a plastic screw cap and tamper-evident label for safety.
    Shipping 4-Methoxychalcone is shipped in tightly sealed containers, protected from light and moisture. It is handled according to standard chemical safety protocols and packaged to prevent damage or leaks. Shipping typically complies with local and international regulations, ensuring safe and timely delivery to research or industrial facilities.
    Storage 4-Methoxychalcone should be stored in a tightly sealed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Avoid exposure to heat, ignition sources, and incompatible substances such as strong oxidizing agents. Proper labeling and secure storage are recommended to prevent degradation and ensure safety. Store according to standard chemical storage guidelines.
    Application of 4-Methoxychalcone

    Applications of 4-Methoxychalcone in Industrial Manufacturing

    4-Methoxychalcone, manufactured to high-purity industrial standards at our facility, serves as a critical intermediate in several advanced chemical production chains. Our focus is to supply consistent quality material that performs predictably during customer-scale formulation, synthesis, and quality control stages. This section illustrates how our 4-Methoxychalcone integrates into key downstream sectors, specifying compliance benchmarks, technical application ratios, direct process entry points, and the principal end product groups manufactured by global partners.

    1. Pharmaceutical Intermediate for Heterocyclic Synthesis

    Producers of heterocyclic active pharmaceutical ingredients and research actives rely on 4-Methoxychalcone as a scaffold for generating flavonoids, pyrazolines, and similar core structures via catalytic condensation or cyclization reactions. Regulatory oversight covers all stages from incoming raw material acceptance to final API isolation, and formulation chemists tune the addition according to both target yield and impurity limits.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP/NF monographs for related intermediates
    • European Pharmacopoeia substance control guidelines
    • Current Good Manufacturing Practice (cGMP) as per US FDA 21 CFR Part 210/211

    Typical usage ratio

    • 0.2 – 1.5 molar equivalents, optimized per synthetic route and desired final compound conversion; often adjusted based on process scale-up validation data

    Downstream process integration

    • Functional group condensation: Introduced during Claisen–Schmidt or aldol condensation under base catalyst conditions in reactor vessels, forming the key chalcone core
    • Subsequent cyclization: Used directly as a precursor during ring closure (e.g., in oxidative cyclization for flavones or hydrogenation for dihydrochalcones)

    Final product types

    • Pharmaceutical intermediates for anti-inflammatory, antimicrobial, and anticancer compounds
    • Research grade heterocyclic scaffolds and reference standards
    • API pre-cursors supplied to clinical and discovery laboratories

    2. Fine Chemical Synthesis of UV-Absorbing Agents

    Chemical companies producing specialty UV absorbers and light-stabilizing agents incorporate 4-Methoxychalcone as a precursor to triazine and benzotriazole derivatives found in plastics, coatings, and adhesives. Strict attention to impurity carryover and downstream photostability performance drives process control and additive ratio optimization.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems for chemical manufacturing
    • REACH registration and SVHC (substances of very high concern) assessment (EU)
    • ASTM D5208 for photostabilizer efficacy verification in polymers
    • RoHS (Restriction of Hazardous Substances) Directive 2011/65/EU for electrical and electronic applications

    Typical usage ratio

    • 1.0 – 5.0% by weight in pre-polymer matrices, with batch adjustment based on intended UV-stabilization effectiveness and required final spectral properties

    Downstream process integration

    • Pre-synthesis: Charged to intermediate reactor with condensing agents for formation of target UV-absorbing cores
    • Post-synthesis: Subjected to purification, functionalization, and blending with host matrix or plastic pellets prior to extrusion or molding

    Final product types

    • Plastic additives for optical films and molded automotive components
    • Coating stabilizers for paints and varnishes
    • UV-protective masterbatch for outdoor construction materials

    3. Agrochemical Intermediate for Plant Growth Regulators

    Producers of plant growth regulator (PGR) compounds deploy 4-Methoxychalcone as a synthon in the formation of chalcone-based agrochemical molecules. These derivatives help modulate crop physiological processes, and manufacturers maintain batch traceability to meet both safety and environmental compliance in the agrochemical supply chain.

    Industry compliance standards

    • OECD Principles of Good Laboratory Practice (GLP) for agrochemical synthesis
    • FAO/WHO Codex Alimentarius Maximum Residue Limit (MRL) recommendations
    • ISO 14001 Environmental Management Systems (applicable for effluent control)
    • Local agricultural chemical registration guidelines (e.g., US EPA PRIA, China ICAMA)

    Typical usage ratio

    • 10 – 30% by weight of reaction feed, calibrated to ensure full conversion and minimal by-product formation according to registered plant regulator specification

    Downstream process integration

    • Initial charge during condensation or alkylation stages in batch or continuous reactors, frequently followed by catalytic hydrogenation or acylation steps
    • Incorporated into multi-step syntheses for the generation of target bioactive chalcone derivatives

    Final product types

    • Chalcone-based plant growth regulators
    • Rooting stimulants and crop yield enhancers
    • Intermediates for downstream insect resisitance compounds

    4. Dye and Pigment Intermediate for Specialty Colorants

    Manufacturers of azo and anthraquinone dyes exploit 4-Methoxychalcone’s activated aromatic system for controlled diazotization, coupling, and ring extension reactions, producing specialty colorants favored in textile and high-performance plastic sectors where batch reproducibility and compliance with restricted substance directives are essential.

    Industry compliance standards

    • OEKO-TEX Standard 100 for harmful substances in textile colorants
    • EU REACH Annex XVII – Restrictions on azo colorants
    • ISO 18451-1:2019 Pigments and extenders, nomenclature guidance
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals, Manufacturing Restricted Substances List)

    Typical usage ratio

    • 5 – 15% of total dye mass, depending on color depth and coupling agent reactivity, varied by desired pigment intensity and final product application

    Downstream process integration

    • Feedstock for diazotization: Reacted with aromatic amines in the presence of nitrosating agents to yield azo dye chromophores
    • Coupling and finishing: Incorporated in aqueous or solvent-based dye baths, followed by purification and dispersion before delivery to customer lines

    Final product types

    • Disperse dyes for synthetic fiber textiles
    • Pigment dispersions for plastics and coatings
    • High-purity intermediates for specialty inks and toners

    5. Research and Development Reference Compound

    Analytical laboratories and chemical R&D groups routinely source 4-Methoxychalcone as a structurally defined reference compound for structure–activity relationship (SAR) studies, process validation, and as a comparator in new synthetic route development. Labs require reliable material traceability, batch consistency, and clarity on impurity profiles to meet method validation and documentation standards.

    Industry compliance standards

    • ISO/IEC 17025:2017 for laboratory competence
    • GLP (Good Laboratory Practice) systems for method validation
    • Standard reference material management guidelines (USP, Ph. Eur.)
    • Regional chemical control regulations (eg. TSCA, REACH registration)

    Typical usage ratio

    • Usually employed as neat (100%) or in precisely weighed aliquots (mg levels to 1% w/w in libraries), based on program objectives or instrument calibration protocols

    Downstream process integration

    • Added at sample preparation or analytical calibration stages
    • Used in reaction screening, kinetic profiling, or structure elucidation workflows for new molecule discovery

    Final product types

    • Structure–activity screening libraries
    • Reference standards for analytical method development
    • Comparative samples for patent and novelty assessments
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    Certification & Compliance
    More Introduction

    4-Methoxychalcone: A Closer Look from the Source

    What Makes 4-Methoxychalcone Stand Out

    There are thousands of compounds running through complex reaction vessels, but 4-Methoxychalcone has drawn its share of attention in recent years thanks to its practical versatility and chemical structure. In the production sector, we have worked directly with this Chalcone derivative, model C16H14O2, and found it to be a favored choice for researchers and development teams in both academic and industrial settings. The reason often boils down to its unique combination of properties: a crisp, pale-yellow solid with steady melting behavior and predictability during reaction sequences. This is no trivial matter; chemists thrive on reliability, and 4-Methoxychalcone brings exactly that to the bench.

    Compared to its close relatives like the unsubstituted chalcone or 4-hydroxychalcone, the methoxy functional group at the para position on the phenyl ring alters the electron distribution. This slight shift in electron density can have a pronounced effect on reactivity and, by extension, the outcomes in downstream chemical transformations. Years in the synthesis plant have shown us that this substitution not only influences reaction yields but also the nature of products in cyclization, oxidative coupling, or nucleophilic addition. Many research teams seeking new pharmaceutical scaffolds or advanced polymeric materials have pressed us for this very compound due to these subtle, yet impactful, differences.

    Physical and Chemical Profile Drawn from Daily Handling

    On the production floor, real-world experience tells more than a technical bulletin. 4-Methoxychalcone enters as a crystalline material, melting consistently within the expected range, a sign of a clean crystalline phase and a minimum of polymorphism or impurities. In thin layers, its pale yellow signals a high-purity solid – an immediate visual check we have used to rapidly assess production runs, long before the analytical confirmation comes back from quality control.

    Without relying on abstract generalizations, we have noticed its readiness to dissolve in organic solvents—especially in ethyl acetate, dichloromethane, and hot ethanol—which streamlines purification and downstream applications. Our customers in analytical chemistry, materials science, and synthesis labs often cite the trouble-free handling and mixture compatibility as positive points.

    Usage Routes: Real-World Experience Shapes How It’s Applied

    Synthetic chemists prize 4-Methoxychalcone as an intermediate. Within pharmaceutical innovation, the starting scaffold is often pushed through a cascade of transformations: Michael additions, aldol condensations, and cyclizations to name a few. A notable advantage comes from the para-methoxy group, which can direct the orientation and rate of these reactions.

    Many colleagues in R&D have approached us specifically for scale-up advice related to heterocyclic synthesis, where this compound serves as a linchpin. In the dye and pigment sectors, the electron-donating group at the fourth position is known to augment chromophore development in final products, yielding brighter or more stable shades. Our feedback loops from clients reveal that research teams prefer the 4-methoxy variant over unsubstituted chalcones for trials aimed at farming new functional dyes or as launching pads in photoinitiator fabrication.

    Natural product analogs often use this scaffold for synthesizing bioactive molecules, not just for the sake of convenience but to intentionally probe how small substituent changes impact biological pathways. Insights shared by partners in microbial and cell culture research point to nuanced interactions between 4-Methoxychalcone-based compounds and several protein targets, a property not typically observed with simple chalcones.

    Handling, Purity, and Batch Reliability—Insights from the Factory Floor

    Much of the conversation out there quickly slips into technical jargon about purity thresholds and testing standards. In day-to-day production, the difference between a 97% and 99% lot can mean the difference between a successful pilot batch and a costly rerun. We routinely set aside time for in-process crystallization checks, TLC verification, and repeated batch-to-batch melting point analysis. Our dedicated production lines have minimized cross-contamination and allowed us to keep metal contaminants and residual solvents well below the strictest industry limits.

    Feedback from users has told us that inconsistent batches can derail weeks of work. For this reason, trace metal content—typically a concern for pharmaceutical and electronics groups—gets checked internally before any shipment leaves the warehouse. Collaborative efforts with formulation chemists have led us to tune our purification protocols over the years, continuously reducing unwanted side products and trimming solvent traces left from the final washes.

    Differences that Matter: How Substitution Patterns Reshape Reactivity

    Chalcones represent a broad class, but the introduction of methoxy at the para position changes reaction outcomes in more ways than paperwork typically lists. Beyond electron donation, the methoxy group steers regioselectivity and pushes for alternative transition states in many reactions. In practice, this leads to higher selectivity in cyclization toward flavanones and a bias toward certain conjugate additions during early discovery campaigns.

    Minutes from roundtable discussions with synthetic groups show a preference for 4-methoxy over 4-chloro or 4-nitrochalcone analogs in preliminary screens, largely due to cleaner reaction profiles and lower rates of unwanted side products. As one long-term pharmaceutical partner pointed out, “The 4-methoxy group makes a difference you can see in your final product, not just the intermediate.”

    On occasion, the methoxy substituent complicates purification, requiring alternate layering of solvents or minor tweaks to precipitation conditions, but the advantages strongly outweigh these hurdles. With each production run, we have adjusted our drying and filtration protocols to overcome these idiosyncrasies, ensuring maximum recovery and minimizing any trace impurities.

    Consistent Performance Across Sectors

    Customers from polymer synthesis, pigment design, and contract research all look for consistency batch by batch. Our longest-standing clients use high-purity 4-Methoxychalcone for extended research campaigns, sometimes buying from the same lot for multiple projects. They bring us feedback about small differences in behavior—minor melting point drifts, or subtle changes in endpoint color—so we track every detail.

    Teams working on new catalysts, sensors, or advanced organic materials rely on these insights. It is easy to overlook small details such as ease of filtration, hygroscopicity, or compatibility with a favored solvent, but the details affect the bottom line in lab work. Over the span of hundreds of kilograms processed, tweaks to filtration speed, temperature control, and even packing density have led to better products for everyone involved.

    Balancing Process Precision with Scale-Up Realities

    Scaling from the small flask to the production kettle always introduces fresh challenges. Real chemistry rarely behaves as theory predicts, especially with sensitive compounds like 4-Methoxychalcone. Over the years, hands-on experience has proven that the process must adapt—temperature ramps need to be gradual to avoid premature crystallization; stirring rates must be tuned for viscous masses; solvent ratios get revised on the fly to keep the batch on track.

    Our team has seen how minor deviations at kilogram scale can force an entire lot out of spec. A momentary drift in temperature holds, or a sluggish filtrate, once resulted in a minor impurity that meant an unplanned rework. These setbacks improve the process over time. Our confidence in the final product comes not from automated controls, but from technicians and supervisors who catch anomalies early, adjust processes on the spot, and document each nuance for future runs.

    Learning from Diverse Applications and Research Collaborations

    Requests for custom modifications continue to rise, particularly as research pushes chalcone chemistry into uncharted territory. Working closely with project chemists from different backgrounds has broadened our view of what 4-Methoxychalcone can do. In some collaborative studies, teams have added ortho or meta substituents to explore fine-tuning receptor interactions, erupting in new structure-activity findings against kinases, enzymes, and even antimicrobial targets.

    Materials science groups keep us updating our documentation as they investigate film-forming capabilities, light absorption shifts, or compatibility with inorganic additives. One group studying photovoltaic materials reported that the methoxy variant provided more uniform film thickness—a crucial factor in device efficiency—across differing substrates. These practical lessons have compelled us to refine not just our chemical product, but our support on documentation and technical know-how.

    Sustainability and Forward-Thinking Production Practices

    Environmental requirements impact chemical manufacturing more each year. We have streamlined solvent usage through targeted distillation and solvent recycling, reducing overall emissions and improving worker safety. In the methoxylation and condensation steps of 4-Methoxychalcone production, we switched to cleaner alternatives that cut down hazardous waste. Internal records show solvent use per kilogram has dropped by nearly a third over the past five years, with a corresponding drop in waste generation.

    Improved efficiency serves everyone, from our floor staff to end users. We keep safety data updated based on input from industrial hygiene experts and regulatory partners. Meetings with safety coordinators and lab staff have driven continuous improvements in both storage practices and delivery packaging, reducing breakage rates and spillage incidents.

    Consistent Quality Across Changing Market Demands

    Chemical demand is cyclical. Some years, 4-Methoxychalcone sells steadily as an intermediate for innovative drugs. Alternate years, pigment designers and photoinitiator suppliers drive demand. Our production system adapts to these shifts, using modular reactors and flexible scheduling. This adaptability means we maintain supply continuity without sacrificing product consistency or purity standards. Our goal stays fixed: deliver dependable material, same structure, same performance, every time.

    Production memories include both challenges and proud moments. One memorable season involved an abrupt surge in demand from Asia-based researchers, who needed not only bulk product but exacting purity for combinatorial library projects. We built new SOPs, split shifts to maintain quality at volume, and validated every lot through extended analytical runs. Shared lessons from that scramble now anchor our response playbook for the next challenge.

    Traceability, Documentation, and Accountability

    Clients want more than a certificate of analysis. We provide detailed batch histories and keep archives of analytical spectra, impurity profiles, and even minor process deviations observed during runs. This level of traceability builds trust and enables quick investigation whenever a concern arises downstream.

    Over time, requests for retrospective data have increased. Instead of seeing this as a burden, we view it as an opportunity. Sharing complete backgrounds improves everyone’s confidence in the supply chain—especially in regulated or high-stakes research environments. We keep up to date with changing documentation standards, adding extra detail to lot histories and making batch certifications as transparent as possible.

    What Sets Us Apart: A Manufacturer’s Ethic

    Chemical manufacturing involves more than recipes and batch records. Years on the production floor shape how we approach every order and process adjustment. The feedback from the research community, the dynamic field applications, and regulatory learnings shape not just the product, but the manufacturing mindset itself.

    From our perspective, 4-Methoxychalcone serves as a testament to what’s possible with precise chemistry and steady, incremental improvement. We have seen its use expand far beyond initial expectations—supported by a flexible, collaborative approach and a commitment to quality that invites transparent feedback. Whether for new molecule synthesis, advanced materials exploration, or exploratory bioactivity campaigns, this compound enables real progress in laboratories and production plants worldwide.

    Each kilogram produced reflects accumulated lessons, practical adjustments, and open communication with partners across the chemical and research landscapes. Our experience stands behind every batch—tested, documented, and delivered with the knowledge that someone, somewhere, will use that material to break new ground in their own field.