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4-[2-(Dimethylamino)Ethyl]Morpholine

    • Product Name 4-[2-(Dimethylamino)Ethyl]Morpholine
    • Alias N,N-Dimethyl-N-[2-(morpholin-4-yl)ethyl]amine
    • Einecs einemcs: 629-454-6
    • 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
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    Specifications

    HS Code

    556634

    Chemical Name 4-[2-(Dimethylamino)Ethyl]Morpholine
    Molecular Formula C8H18N2O
    Molar Mass 158.24 g/mol
    Cas Number 22236-14-0
    Appearance Colorless to pale yellow liquid
    Boiling Point 222-224 °C
    Density 0.991 g/mL at 25 °C
    Solubility Miscible with water
    Flash Point 107 °C
    Refractive Index 1.464-1.468
    Pka Approximately 8.8 (for dimethylamino group)

    As an accredited 4-[2-(Dimethylamino)Ethyl]Morpholine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is packaged in a sealed 100g amber glass bottle with a tamper-evident cap and a clear hazard label.
    Shipping 4-[2-(Dimethylamino)ethyl]morpholine is shipped in tightly sealed containers, protected from light and moisture. It is classified as a hazardous material, requiring appropriate labeling and documentation. Transport complies with regulations for chemical safety, and shipments are typically handled by certified carriers to ensure secure handling and prompt delivery under controlled temperature conditions.
    Storage 4-[2-(Dimethylamino)ethyl]morpholine should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers and acids. Keep away from heat and ignition sources. Store at room temperature if no specific temperature is recommended. Ensure proper labeling and access only to trained personnel, using secondary containment if necessary to prevent spills.
    Application of 4-[2-(Dimethylamino)Ethyl]Morpholine

    Applications of 4-[2-(Dimethylamino)Ethyl]Morpholine in Industrial Manufacturing

    As the original producer of 4-[2-(Dimethylamino)Ethyl]Morpholine, we supply this amine-functionalized morpholine derivative for well-established, technically demanding sectors. Below, we outline major industrial segments where this raw material forms an essential component for high-performance formulations, integration, and compliance in downstream chemical fabrication.

    1. Epoxy Curing Agents for Coatings and Composites

    Manufacturers use 4-[2-(Dimethylamino)Ethyl]Morpholine as a reactive accelerator in the formulation of room temperature and ambient-cure epoxy systems, especially for industrial flooring, marine coatings, and structural composites. It promotes efficient catalysis and imparts controlled pot life, enabling manufacturers to meet stringent reactivity and mechanical performance requirements.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 for chemical substances
    • ISO 9001:2015 Quality Management System for coatings production
    • Directive 2011/65/EU (RoHS) restrictions for electrical/electronic composite end-products
    • ASTM D1650, ASTM D4541 for coatings performance benchmarks in industrial flooring and marine applications

    Typical usage ratio

    • 0.5–3.0 parts per hundred resin (phr), adjusted to targeted cure time and viscosity control; lower dosages for fast-cure ambient systems, higher near upper limit for thick-section epoxy mortars

    Downstream process integration

    • Added during the compounding of hardener components, blended under nitrogen atmosphere to prevent amine oxidation; incorporated prior to package filling for two-pack systems; quality control protocols confirm amine number and moisture content

    Final product types

    • Solvent-free and solvent-based industrial epoxy floor coatings
    • Reinforced fiber-composite structural panels
    • Corrosion-resistant marine epoxy primers
    • Chemical-resistant industrial tank linings

    2. Polyurethane Catalyst for Rigid and Flexible Foam Manufacture

    Polyurethane systems benefit from the nucleophilic character of 4-[2-(Dimethylamino)Ethyl]Morpholine, which enables fine tuning of blowing and gelation reactions. Foam manufacturers deploy it to obtain specific density, cell structure, and cure profiles for insulation and cushioning.

    Industry compliance standards

    • ISO 4589 (Flammability/Oxygen Index for flexible polyurethane foams)
    • EN 14315 (Thermal insulating products for buildings)
    • UL 94 (Foam materials for fire behavior classification)
    • REACH Annex XVII for chemical restrictions in consumer goods

    Typical usage ratio

    • 0.05–0.25% w/w of total polyol blend; dosage fine-tuned according to density and rise time, with lower rates for flexible furniture foams and upper end for rapid-injection rigid panels

    Downstream process integration

    • Directly metered into the polyol stream through precision dosing pumps at inline mixing heads; monitored with automated process controls to ensure foam rise consistency and eliminate batch-to-batch reactivity shifts

    Final product types

    • Energy-efficient rigid insulation panels for appliances and building facades
    • Flexible comfort foams for automotive seating
    • Integral skin foams for automotive dashboards and armrests
    • In situ cast foam seals and gaskets in HVAC systems

    3. Corrosion Inhibitor Additive in Industrial Water Treatment

    In closed-water circuits and recirculating cooling systems, 4-[2-(Dimethylamino)Ethyl]Morpholine acts as an effective amine-based corrosion inhibitor for protection of steel, copper, and other non-ferrous equipment. Its volatility and pH buffering help extend asset service life while maintaining operational cleanliness in high-load environments.

    Industry compliance standards

    • ISO 9001 for water treatment chemical blending
    • ASTM D1384 (Corrosion Test for Engine Coolants)
    • EU Biocidal Products Regulation (BPR, Regulation (EU) 528/2012)
    • GB/T 21835 (Chinese standard for industrial circulating cooling water treatment agents)

    Typical usage ratio

    • 10–50 ppm (parts per million) as active content in dosing programs, optimized to system volume, circulating metal content, and waterside operating temperature

    Downstream process integration

    • Dosed continuously at system inlets using electronic metering pumps; performance verified with regular pH, conductivity, and corrosion coupon monitoring along system circuits; downstream QC tracks iron, copper, and morpholine-derived amine residuals

    Final product types

    • Multi-component closed-loop water treatment concentrates
    • Ready-to-use corrosion inhibitor additive packs for HVAC, thermal power generators, and industrial chillers
    • Chiller and heat exchanger maintenance solutions supplied to industrial plants

    4. Intermediate for Pharmaceutical Synthesis

    Pharmaceutical API producers use 4-[2-(Dimethylamino)Ethyl]Morpholine as a tailored building block in the synthesis of select central nervous system active compounds and specialty intermediates, owing to its unique secondary amine and morpholine functional groups, which provide controlled reactivity and selectivity in multi-step reactions.

    Industry compliance standards

    • ICH Q7 (cGMP for Active Pharmaceutical Ingredients)
    • USP/NF and Ph. Eur. monographs for process chemicals where applicable
    • 21 CFR Part 211 (FDA Good Manufacturing Practice for Finished Pharmaceuticals)
    • ISO 9001:2015 for chemical manufacturing infrastructure

    Typical usage ratio

    • Stoichiometric and slight molar excess (1.0–1.2 equivalents) in multi-step pharmaceutical synthesis, determined by the specifics of chlorination, alkylation, or reductive amination requirements in the API route

    Downstream process integration

    • Employed at the designated intermediate synthesis stage within GMP-compliant multi-step reactors; monitored for residual amine and impurity profile by HPLC and GC-MS; critical for regioselective functionalization of heterocyclic scaffold chemistry

    Final product types

    • Pharmaceutical intermediates in CNS drug development pipelines
    • Specialty amine-functionalized drug substances for research or clinical programs
    • Building blocks in advanced medicinal chemistry libraries

    5. Gas Sweetening Promoter in Acid Gas Removal Units (Natural Gas Processing)

    Gas treatment plants incorporate 4-[2-(Dimethylamino)Ethyl]Morpholine as a performance enhancer in amine-based sour gas sweetening systems, promoting the selective absorption and efficient stripping of H2S and CO2 from natural gas streams in refineries and upstream conditioning sites.

    Industry compliance standards

    • API 941 (Materials for Sour Service in Gas Processing)
    • ISO 16923 (Natural Gas — Gas Processing Plants — Process Safety)
    • U.S. EPA 40 CFR § 60.630-636 (NSPS for Natural Gas Processing)
    • GB 50183 (Chinese Design Code for Natural Gas Treatment Facilities)

    Typical usage ratio

    • Introduced at 1–3% v/v within complex amine blends, with precise concentration controlled by inlet gas acid content and desired absorption/regeneration profile

    Downstream process integration

    • Injected into circulating amine train ahead of absorber columns in closed gas treatment loops; process engineers monitor load profile via on-line acid gas analyzers and periodic amine carryover assessment

    Final product types

    • Processed natural gas with reduced acid gas content compliant to pipeline standards
    • Regenerated amine solution for continuous plant cycles
    • Spent acid gas streams for sulfur recovery units (SRU)

    6. Specialty Amine Modifier for Paper and Pulp Chemical Additives

    In the paper manufacturing sector, chemical formulating plants add 4-[2-(Dimethylamino)Ethyl]Morpholine to cationic starch and retention aid formulations, enhancing wet-end performance through improved charge distribution and retention of fillers in high-speed paper machines.

    Industry compliance standards

    • TAPPI T230 (Starch in pulps, papers, and boards)
    • FDA 21 CFR 176.170 & 176.180 (Components of paper and paperboard in food contact)
    • ISO 9001:2015 for chemical additives manufacturing
    • GB 4806.8 (Chinese National Standard for food contact paper additives)

    Typical usage ratio

    • 0.02–0.10% by weight of dry pulp furnish; operators adjust dosing according to paper grade, machine speed, and filler retention targets

    Downstream process integration

    • Premixed with cationic starch or directly dosed into the machine chest before the headbox; integration confirmed by on-line system charge demand measurements and zeta potential assessments; role verified by improved fines retention and drainage characteristics in mill trials

    Final product types

    • High-performance printing and writing grades
    • Specialty food contact paperboards
    • Coated and uncoated filler-rich paper
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    Certification & Compliance
    More Introduction

    4-[2-(Dimethylamino)Ethyl]Morpholine: New Solutions for Complex Synthesis

    Understanding 4-[2-(Dimethylamino)Ethyl]Morpholine at Production Level

    As a manufacturer engaged directly with the realities of process chemistry, we see the significance of every input long before it reaches the broader supply chain. 4-[2-(Dimethylamino)Ethyl]Morpholine reflects not just progress in fine chemicals but a move towards higher-value intermediates that open up new synthetic pathways. Developed from robust morpholine technologies, this compound offers a unique dual-functional backbone, making it a reliable bridge in heterocyclic and alkylamine chemistry.

    We focus our synthesis lines on high-purity production rather than volume-driven output. The 4-[2-(Dimethylamino)Ethyl]Morpholine in our inventory consistently tests well past 99% purity grades. This is achieved by both careful solvent management and multi-stage distillation. By monitoring each stage closely, we minimize residual impurities, which matters in any downstream process when even minor changes in amine profile can affect catalytic reactions or lead to excessive by-products.

    Practically, the chemicals we supply must meet not just expected purity but must show batch-to-batch repeatability. Research chemists and process engineers frequently share feedback about inconsistent material leading to wasted time and adjustments. Our batch records reflect tight process controls, drawing on years of in-house experience identifying reaction trajectories and potential side reactions. This approach ensures that 4-[2-(Dimethylamino)Ethyl]Morpholine from our plant works predictably, letting partners focus on their own innovations instead of troubleshooting starting points.

    Model and Production Details

    On our lines, we offer 4-[2-(Dimethylamino)Ethyl]Morpholine under our in-house model DMEM-201, known across several pharmaceutical and specialty chemical collaborations. The model has evolved through multiple pilot-stage refinements, running on reactors specifically fitted for nitrogenous organics to avoid cross-contamination. Each lot traces its origins to clearly documented raw materials, which include morpholine of pharma or technical grade and dimethylaminoethyl chloride sourced from audited partners.

    All lots pass through an integrated QC process featuring gas chromatography and NMR validation. Rather than focus only on overall purity, our technicians look for trace aldehydic or alcoholic by-products, which can hitchhike into formulations. Reaction temperatures and reflux times rely on feedback from continuous in-process sampling—not default timeframes—to adapt to real-time conditions, reducing degradation potential.

    Sourcing proper analytical reference standards took longer than expected early on, and from direct experience, attention to analytical details sets quality apart more than any large-scale capacity. It’s tempting for some producers to scale quickly, but we’ve learned by trial and corrective action that keeping synthesis at controllable volumes remains more sustainable, allowing us to intervene if reaction profiles drift.

    Applications Shaped by Experience

    4-[2-(Dimethylamino)Ethyl]Morpholine first attracted attention in small-scale alkylation labs but now supports wider applications. Medicinal chemistry teams routinely use it to extend morpholine motifs in lead optimization. The secondary and tertiary amine structure offers two distinct nucleophilic sites, lending itself to stepwise modifications without excessive protecting group strategies. In-house scale-ups for contract partners highlighted that its unique backbone allows for both N-substitution and further chain extension, which widens the toolkit for process route scouting.

    We’ve seen positive outcomes when teams use it for linker chemistry in new psychoactive substances or intermediate-stage pharmaceutical actives. It acts as a valuable synthon for new morpholine derivatives, showing consistent reactivity as a precursor when forming ureas, amides, and peptide-mimetic targets. Over the past year, several customers have noted its performance as a phase-transfer catalyst, harnessing both hydrophilic and lipophilic tendencies, which are anchored by the morpholine ring and the dimethylaminoethyl side arm in asymmetric synthesis and selective oxygenation protocols.

    Research-grade 4-[2-(Dimethylamino)Ethyl]Morpholine also finds uses outside pharma: polymer science is catching up, particularly in the stabilization of specialty epoxy systems and as a reactive diluent for polyimide resins. Teams working on specialty coatings frequently employ the compound to introduce controlled flexibility and nitrogen bonding sites, with tangible improvements in gloss retention and abrasion resistance in high-wear applications.

    What Sets This Product Apart from the Rest

    We get asked regularly about differences between this morpholine derivative and more common building blocks like plain morpholine or dimethylaminoethanol. In practice, their properties diverge due to structural arrangement and resulting reactivity. Morpholine itself, while a solid platform, does not offer the same bifunctionality in a single molecule. 4-[2-(Dimethylamino)Ethyl]Morpholine offers both the stable heterocyclic ring and a secondary amine tail—a truly versatile combination, as it can react at multiple sites with controlled selectivity.

    Straight-chain aliphatic amines can be cheaper or easier to source, but lack the steric protection of the morpholine ring, increasing their vulnerability to side reactions and oxidative degradation in more demanding synthesis environments. Process engineers benefit from a chemical capable of withstanding higher pressures and temperatures, with side-by-side stability comparisons showing markedly less decomposition of 4-[2-(Dimethylamino)Ethyl]Morpholine after high-temperature cycling.

    A comparison with dimethylaminopropylamine, another frequent alkylation intermediate, reveals further distinctions: our product brings better aqueous solubility under neutral pH, along with less volatility and a more manageable odor footprint in closed-system manufacturing. Larger customers have expressed appreciation for reduced cross-contamination risk in multi-use reactors, as the compound’s distinctive amine profile shows less tendency to linger after typical CIP cycles.

    Handling and Real-World Use: Lessons Learned

    Handling 4-[2-(Dimethylamino)Ethyl]Morpholine on-site presents both opportunities and challenges. Its miscibility with water helps speed up aqueous extractions and phase-transfer processes, while its strong base character makes it necessary to use corrosion-resistant equipment, especially stainless steel and fluoropolymer-lined pumps and valves. Plant staff monitor pH and temperature closely to avoid localized hot spots, as the compound’s exothermic tendencies during reagent addition can easily catch newer technicians off guard.

    We make provisions for storing our product in shaded, temperature-controlled rooms. Over the years, we learned that even minor temperature excursions during storage encourage micro-level discoloration and the buildup of trace formic acid, likely due to the compound’s reactivity with atmospheric oxygen. Our QC logs reflect periodic testing, and occasional feedback loops lead us to adjust antioxidant and preservation routines to preserve long-term consistency.

    On the operator side, teams draw from our documented experiences managing exposure, along with direct communication about sensory warnings. The product’s characteristic amine odor, though less pungent than lower molecular weight counterparts, still provides useful cues regarding venting system efficiency and possible fugitive emissions. We stress face-shield usage and local fume extraction during drum filling or subsampling. In larger filling operations, closed-system methods are in place, reducing both exposure and loss events, which aligns with our determination to maintain workplace safety and limit environmental impact.

    Supply Chain and Sustainability

    Sustainability in chemical manufacture cannot be separated from actual production realities. Starting materials for 4-[2-(Dimethylamino)Ethyl]Morpholine are sourced within established global supply networks, with ongoing audits to ensure documentation integrity. Our purchasing team constantly assesses traceability, and we adapt partners as needed based on shifts in geopolitical or regulatory factors that might affect raw material continuity.

    Residual solvents and co-produced minor amines arise in nearly every batch process, whatever the scale. By regularly testing scrubber outputs and wastewater, we keep total nitrogen load within discharge limits. Our process improvement engineers look for actionable sources of reduction, such as off-gas recycling using activated carbon beds and improved stripping of light ends. One specific improvement we’ve deployed is the use of higher-efficiency column internals, which has led to lower off-spec rates and less waste sent for incineration.

    Life-cycle analysis forms a core part of our ongoing reporting. The energy draw per kilogram of DMEM-201 produced has fallen by nearly 12% over the past three years, largely due to equipment modernization and automation. While process intensification presents some up-front costs, our ten-year operational budgets and energy audits confirm the value for both business survival and stakeholder confidence.

    Meeting Evolving Regulatory Expectations

    Regulation never stops shifting, especially in areas concerning amines and related intermediates. Our experience in both REACH and domestic chemical control regimes underscores how important documentation and proof-of-process can be. Over the past five years, we’ve faced both routine regulatory reviews and targeted inspections, and every time our records of analytical controls and handling procedures have provided the evidence needed for continued operation.

    Ongoing engagement with industry-specific working groups allows us to preempt regulatory changes, especially from new guidance about trace impurity limits in pharmaceutical upstream materials. For instance, we’ve proactively adopted lower detection thresholds for volatile organic compounds, even before these changes entered formal codification. This not only aids our partners in their own compliance journeys but shields downstream users from costly reformulation when standards change unexpectedly.

    Safety data sheets supplied with product shipments reflect collective lessons drawn from real-world handling, not just copy-paste regulatory text. Our health and safety specialists revisit and revise documents after each customer audit or incident review, implementing new risk controls into both procedural and physical plant layout so that operator exposure drops over time.

    A Perspective Developed through Practice

    Over many production cycles and collaborations with both R&D and commercial partners, our perspective on 4-[2-(Dimethylamino)Ethyl]Morpholine continues to deepen. Chemical manufacture carries risks, particularly with multi-step derivatives that may not always behave as predicted in new transformations. Each process modification and scale-up teaches us more about reactivity, stability, and downstream processing than isolated lab trials can offer.

    From the earliest batch, direct involvement in troubleshooting—whether it’s foaming during neutralization, phase-separation difficulties, or unforeseen color formation—has informed both our technical and business decisions. Our plant engineers and chemists meet daily, exchanging process notes and safety observations, building up a body of practical knowledge that goes beyond what a third-party trader can accumulate. Allowing these experiences to circulate freely in our operation leads to real advantages: fewer surprises, tighter spec adherence, and overall smoother integration into customer workflows.

    Every time a new application arises—be it a reaction in a novel polymer or a step in an advanced drug candidate—our team reviews actual outcomes. Some of our competitors operate with more formal distance from end users, but we find being responsive to nuanced feedback gives us the chance to refine the product over time. That’s how small formula adjustments, like tweaking the stabilizer blend or adjusting washing pH, become long-term improvements in product confidence.

    Continuous Improvement and Looking Ahead

    Chemical manufacturing does not stand still. Fluctuating customer requirements, shifting regulatory lines, and unpredictable supply chains form a reality that demands not just adaptation, but constant improvement. Our work with 4-[2-(Dimethylamino)Ethyl]Morpholine is far from complete, and each ton produced poses new lessons.

    On the shop floor, the physical work of blending, transferring, testing, and packing never loses its importance. Experienced operators spot off-odors or color variations quickly, and automated sensors back this intuition with hard data. Even as digitalization ramps up, hands-on expertise continues to guide process choices—not every outlier can be caught by a computer.

    We draw insight from the changing needs of specialty chemical and pharmaceutical partners. If a project requires new specifications—say, moisture levels in the low ppm range—we integrate that into our own benchmarking, making changes on the plant floor before promises are made to clients. Testing new stabilization systems, altering feedstock blends, or adjusting distillation programs forms a chain of adaptations that keeps the product not just compliant, but genuinely useful.

    Product stewardship matters as much as batch output. Each improvement, whether based on feedback, accident investigation, or regulatory development, gets folded into our next run. Looking at the decade ahead, our outlook is grounded in hands-on manufacturing experience. Treating 4-[2-(Dimethylamino)Ethyl]Morpholine not as just another commoditized compound, but as a platform for innovation and partnership, sets the groundwork for shared success across supply chains.