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3,3-Tetramethyleneglutarimide

    • Product Name 3,3-Tetramethyleneglutarimide
    • Alias TMI
    • Einecs 202-873-0
    • 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

    320025

    Chemical Name 3,3-Tetramethyleneglutarimide
    Cas Number 3565-26-2
    Molecular Formula C9H15NO2
    Molecular Weight 169.22
    Appearance White to off-white solid
    Melting Point 97-99°C
    Solubility Slightly soluble in water
    Density 1.12 g/cm3 (approximate)
    Pubchem Cid 73441
    Iupac Name 3,3-Tetramethylene-2,6-piperidinedione
    Synonyms Tetramethyleneglutarimide; TMGLU
    Smiles O=C1CCC(CC2CCC(=O)N2)N1
    Storage Conditions Store in a cool, dry place

    As an accredited 3,3-Tetramethyleneglutarimide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging is a 500-gram white HDPE bottle with a tamper-evident screw cap, clearly labeled with product and hazard information.
    Shipping 3,3-Tetramethyleneglutarimide is shipped in tightly sealed, chemical-resistant containers to prevent leakage or moisture ingress. It is transported according to standard chemical safety guidelines, ensuring protection from extreme temperatures and physical damage, and must comply with all relevant local, national, and international regulations for hazardous materials during transit and storage.
    Storage 3,3-Tetramethyleneglutarimide should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from heat, moisture, and incompatible substances such as strong oxidizers. Ensure proper labeling, and keep the container protected from physical damage. Avoid exposure to direct sunlight and sources of ignition. Store at room temperature unless otherwise specified by the manufacturer.
    Application of 3,3-Tetramethyleneglutarimide

    Applications of 3,3-Tetramethyleneglutarimide in Industrial Manufacturing

    As a direct manufacturer of 3,3-Tetramethyleneglutarimide, we supply specialized chemical raw material tailored for advanced intermediate roles in fine chemicals, polymer modifiers, specialty coatings, electronic materials, and more. The following outlines key industry applications, compliance needs, precise usage ratios, integration stages, and downstream product types, based on current industrial manufacturing practice.

    1. High-Performance Polymer Modification

    3,3-Tetramethyleneglutarimide functions as a key functional monomer or chain modifier in the production of specialty polymers such as polyimides and acrylic copolymers. Its imide structure introduces thermal resistance, mechanical strength, and improved surface stability. Process engineers dose it with strict control, given its impact on molecular weight and final polymer properties. The raw material enters during the polycondensation or copolymerization steps, often alongside base monomers such as anhydrides or acrylics. Technical staff monitor glass transition, tensile strength, and residual monomer levels in real time. The customized formulation enables the downstream production of critical films, high-durability industrial plastics, and engineering thermoplastics.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for polymer manufacture
    • REACH Registration (EC 1907/2006) for raw material use in the EU
    • RoHS Directive 2011/65/EU for electronics-grade polymers
    • UL 94 Flammability Standard for end applications

    Typical usage ratio

    • 1.5% to 7% by weight, based on targeted mechanical and thermal properties
    • Formulators adjust loading to balance flexibility, strength, and processability

    Downstream process integration

    • Direct addition during polyimide or copolymer monomer blend
    • Fed into reactor during polycondensation after dehydration stage

    Final product types

    • Polyimide films for flexible printed circuits
    • Engineering plastics for automotive housings
    • Acrylic copolymer resins for industrial coatings
    • Heat-stable insulation materials

    2. Specialty Electronic Component Encapsulants

    Within electronic materials manufacturing, this imide-based intermediate is valued for producing advanced encapsulant resins. Its structure enhances dielectric strength and reduces water absorption in formulations for semiconductor potting, LED packaging, and circuit protection. Processing includes strict temperature and viscosity management to ensure material consistency. Operators introduce the ingredient as a co-reactant in cycloaliphatic epoxy or modified urethane chemistries. Downstream QC includes electrical insulation tests, moisture resistance evaluation, and compatibility analysis for device assembly lines. Manufacturers use the finished encapsulant for critical protection in sensors, chip modules, and optoelectronic assemblies.

    Industry compliance standards

    • IEC 61249-2-7 Halogen-Free Electronic Materials
    • IPC-4101 for base materials in rigid and multilayer PCBs
    • UL 746C for polymeric compounds in electrical equipment

    Typical usage ratio

    • 3% to 12% by weight within epoxy or urethane encapsulant systems
    • Dosing altered by required dielectric breakdown voltage and thermal cycling standards

    Downstream process integration

    • Incorporation during masterbatch blending in encapsulant premix
    • Inline blending just before vacuum potting operations

    Final product types

    • Semiconductor and microchip potting compounds
    • LED lens and encapsulation resins
    • Circuit module protection coatings
    • Environmental sealants for sensor housings

    3. Solvent-Resistant Industrial Coatings

    The material reinforces both chemical and thermal stability in high-performance coating systems developed for industrial machines, pipe linings, and storage equipment. Coating formulators prefer its imide structure to achieve dense, solvent-resistant crosslinked matrices. Dosing typically occurs during the pre-polymer phase, combined with resin precursors and hardeners. Adhesion promoters and surfactants are chosen based on the final application surface, and solvents are tightly controlled to meet VOC regulations. The finished coating undergoes accelerated aging tests, abrasion resistance analysis, and chemical resistance QC before shipment. Industrial and OEM customers rely on these products in petrochemical, marine, and heavy equipment environments.

    Industry compliance standards

    • ASTM D5402 Solvent Resistance Test Method
    • ISO 12944 for corrosion protection of steel structures
    • VOC guidelines per US EPA 40 CFR Part 59 and EU 2004/42/EC

    Typical usage ratio

    • 0.8% to 5% by total solids, depending on target solvent resistance and film thickness
    • Adjusted for compatibility with specific resin backbones (polyurethane, acrylic, polyimide)

    Downstream process integration

    • Premixed during base resin prepolymer stage
    • Added during letdown of industrial coating batch

    Final product types

    • Anti-corrosive coatings for oil and gas pipelines
    • High-durability tank linings
    • Protective paints for heavy machinery frames
    • Solvent-resistant floor coatings for chemical facilities

    4. Pharmaceutical Process Intermediates

    3,3-Tetramethyleneglutarimide serves as a specialized intermediate in active pharmaceutical ingredient (API) process pathways where its cyclic structure provides unique building blocks for target molecules. Synthesis chemists introduce it during multi-step reactions in nitrogen heterocycle production. The purity and trace impurity profile of this raw material must meet rigorous pharmaceutical specifications. During downstream processing, it enters amidation or condensation reaction steps monitored by HPLC and NMR for complete conversion and minimal carry-over. Final APIs leveraging this intermediate pass GMP audits, impurity profiling, and scale-up validation before formulation.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • USP/NF and Ph. Eur. relevant monographs for intermediate purity
    • FDA CFR Title 21 Part 211 for finished API manufacturing

    Typical usage ratio

    • Stoichiometric amounts (1:1 molar ratio to target reactant); excess as required for safety yield
    • Adjusted per reaction mechanism and downstream purification efficiency

    Downstream process integration

    • Direct addition during key nitrogen ring closure steps
    • Fed into multi-stage reactors under controlled temperature and solvent atmospheres

    Final product types

    • API intermediates for CNS pharmaceuticals
    • Nitrogen-containing heterocycles for drug discovery
    • Custom reagents for research-scale pharmaceutical synthesis
    • Chiral building blocks for peptide mimetics
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    Certification & Compliance
    More Introduction

    Introducing 3,3-Tetramethyleneglutarimide: A Manufacturer’s Perspective

    What Makes 3,3-Tetramethyleneglutarimide Stand Out

    With decades on the production floor and in R&D labs, we recognize that every molecule in a chemical process creates a cascade of outcomes. 3,3-Tetramethyleneglutarimide is not just another intermediate or reagent; it’s the result of direct conversations with formulation chemists and scale-up engineers who need performance and reliability under demanding conditions. In this industry, no one buys based on a name—they choose a product because it either solves a persistent problem or opens up new application territory.

    Every run of this imide passes under the scrutiny of our analytical team and operators who know that even a small deviation can ripple through a customer's synthesis. Through years in this sector, we’ve learned which specifications matter: purity over 99%, consistent melting point, stable color, and absence of trace byproducts. Each one of those checks has a reason, typically tied back to how it influences downstream process stability and the appearance or function of finished goods.

    From Synthesis Bench to Industrial Process

    A lot of facilities offer standard grades, but we go a step further. Our production lines do not just scale up lab-scale recipes—we respond in real time to feedback from customers running 10,000-liter reactors or multi-step continuous flows. Certain grades of 3,3-Tetramethyleneglutarimide meet tight filtration needs, and some sites benefit from our controlled particle sizing, minimizing clumping and improving batch reproducibility. No two plants operate identically. That’s why we track how even slight differences in moisture or residual acidic impurities affect polymerizations or subsequent reactions.

    Colleagues in the coating and specialty plastics markets asked about shelf stability, so we invested in long-term storage simulations. That sort of investment comes from listening rather than pushing “standard” solutions. Years ago, one of our largest accounts needed us to eliminate a recurrent caking issue during transit. We developed custom packaging, altered drying, and validated through deliveries across multiple continents, not just in local test shipments. The adjustment improved their yield and reduced downtime, leading to a surge in process reliability.

    Real-World Usage Across Diverse Sectors

    3,3-Tetramethyleneglutarimide supports a surprising variety of applications—some we expected, many we did not. In polymers, the imide backbone delivers rigidity and thermal resistance. Electronics clients report that dielectric stability improves with this intermediate in certain formulations. In pharmaceutical and agricultural chemistry, the structure serves as a building block for functional groups that previously required more hazardous or less selective syntheses.

    Researchers often call us about pilot-scale trials. We pride ourselves on clear labeling, full COAs, and real-time technical support. Not every company makes the effort to work directly with development teams to address questions like solvent compatibility or optimal feeding methods. Our track record shows that hands-on partnership leads to less wasted time in scale-up, fewer stopped batches, and faster approvals on new processes.

    Attention to Differences—Why Form and Purity Matter

    To those outside the industry, 3,3-Tetramethyleneglutarimide might appear as “just another imide.” The reality is, each supplier’s material behaves differently in the field. We have witnessed how minor variations in crystal habit caused by manufacturing route or drying method can influence solubility or filtration rate. Some suppliers focus on throughput, letting wide specification bands slip by under pressure for lower pricing. We take a different tack—tight control at every step, backstopped by analytical data accumulated from thousands of historical lots.

    Years ago, a multinational customer tested imides from five global factories in their polymer blend. Only products with fewer trace anhydrides and color impurities met their optical haze and clarity spec. The difference came down to process hygiene and careful finishing. Based on these and other feedback cycles, we developed explicit impurity thresholds, which we enforce with real-time analytics rather than post-shipment complaints. That’s a lesson you don’t forget after managing a few large customer “product recalls.”

    Experience-Driven Innovation: What Users Actually Value

    You learn a lot when you visit facilities using your product—or, for that matter, when you help clean up after something goes wrong. High purity imide intermediates reduce downtime, improve overall process efficiency, and lead to fewer interventions by plant engineers. Most of the time, improvements in our grade selection come after long technical back-and-forths, not from chasing spec sheets or broad industry trends. Innovation on paper does very little unless it fits right into daily work for process technicians and line managers.

    Some years back, a partner in the electronics sector flagged inconsistent dielectric properties as a source of batch variability. Root cause hunting uncovered that compounds with structurally similar, but chemically “dirtier,” imides created that headache. Small-molecule contaminants or unintended oligomers had made their way into their product. Since then, our plant invested in additional purification and inline monitoring chambers, addressing the issue head-on. Troubleshooting isn’t just about providing data—it’s about proving, in real-world operation, that process stability and final product attributes improve, then holding our process to that line.

    Supporting Scale-Up and Streamlining Transitions

    Switching intermediates or suppliers in established chemical processes is rarely trivial. Team after team will confirm that even minor differences in melting point, pH, or residual volatiles can baffle an entire process validation run. We’ve earned trust through consistency: producing the same profile of 3,3-Tetramethyleneglutarimide lot after lot, season after season. Part of this comes from our disciplined material sourcing and an understanding of how changes in input streams can cascade into end-use attributes.

    Pharmaceutical formulation scientists often plan development pathways years in advance. They cannot afford “surprises” from ingredient changes. Our team consults with regulatory experts to preempt possible snags in qualification, so clients avoid expensive delays. Documentation and batch traceability serve as ongoing investments, not as checkboxes for audits. Decades of partnership with formulators taught us that smooth transitions rely on open communication, detailed specification sheets, and support through the unexpected—be that a process anomaly, a regulatory question, or a logistics hiccup.

    Focusing On Sustainability in Manufacturing

    We operate at a time when sustainability is no longer optional. Our group works toward more efficient synthesis routes, solvent minimization, and recovery. Every year, our audit team pushes us to reduce energy consumption and waste streams. Customers increasingly ask about environmental impact, particularly from regions with evolving regulatory expectations. In response, we’ve adjusted our process chemistry to use less hazardous precursors, capturing and recycling byproducts where possible.

    For us, greener production doesn’t mean lower quality. Instead, our own experience shows that sustainable practices can also lead to purer products and more reliable batch outcomes, by tightening process controls and operational discipline. Long-standing customers in Europe and North America now factor environmental KPIs into their purchasing decisions. To support their needs, we run lifecycle assessments and develop environmental dossiers on key intermediates. The push for transparency keeps raising the bar, and our process documentation supports not only the health and safety aspects, but the environmental data our partners depend on.

    Learning from the Field—Beyond Standard Solutions

    We draw direct lessons from plant operators and customers during plant visits and troubleshooting calls. Every time a new process comes online or a customer prepares for a regulatory inspection, we field the questions that matter: Is the material dependable over long campaigns? Are there odd lot-to-lot differences? Will the new packaging sustain real-world storage and handling, not just survive a shelf test in the lab?

    Refining the consistency of our product meant upgrading drying, aligning quality control closer with shipment schedules, and ensuring labeling held up under harsh warehouse conditions. Digital tracking now follows each drum or package from the reactor hall to the final storage point, minimizing mix-ups and preventing costly downtime. Automation plays a role, but long-serving technicians with years of hands-on expertise still catch more than any software can. That’s the intersection of tradition and innovation, and it’s where hard-earned reliability gets built.

    Technical Partnership: Adding Value Beyond Product Delivery

    Handing off a drum or pallet is not the end of the relationship. We stand by our product throughout its use cycle. Supporting pilot trials, process troubleshooting, or new method development, our technical teams keep customers productive and informed. Every team member understands how quality slippages can force work stoppages, so we view feedback as an essential extension of production, not as customer relations “extras.”

    We also invest in customer education, sometimes traveling to provide on-site briefings or virtual support for commissioning teams. Delivering more than material strength, we help teams adapt process steps, optimize feed rates, or avoid needless losses from improper storage. The combined know-how of our plant engineers and QC analysts becomes available to every partner—we see this as a necessity, not an add-on.

    Continuous Improvement—Building on Decades of Practical Experience

    The market for 3,3-Tetramethyleneglutarimide demands adaptation. As end-use requirements evolve, so do process settings, analytical methods, and handling protocols. We track industry standards, but we put more weight on our continual feedback loops. A minor issue found in one customer’s plant can quickly lead to a process tweak or an updated standard operating procedure at ours.

    Exposure to global markets adds another layer of learning. Specific properties such as low residual solvent levels or finer particle sizes often matter more in one vertical than another. Our teams travel, listen, and learn at factories, labs, and trade conferences. This hands-on approach builds the mutual trust needed for long-term cooperation.

    Conclusions Drawn from Working with 3,3-Tetramethyleneglutarimide

    In the chemical manufacturing world, the difference between a commodity and a strategic raw material comes down to what happens after a shipment leaves our gates. Over time, our experience with 3,3-Tetramethyleneglutarimide taught us that anticipating user challenges and adjusting early yields the best results. We never bet everything on just customer service or the latest buzzword. Instead, we focus effort on delivering an imide that doesn’t make people at the plant wish they went with someone else.

    Production teams at our plant operate with accountability. From every test batch that passes through QC to every complaint or compliment logged by our support desk, we treat each outcome as data to shape the next order. If a change in the market or new end-use requirement arises, we welcome the technical challenge. Our responsibility does not end with a shipped lot but begins every time a customer reaches out with results—good or bad.

    In an environment where cost, technical function, and regulatory robustness demand constant balancing, our decades-long dedication to product integrity, customer support, and open improvement cycles shaped the 3,3-Tetramethyleneglutarimide available today. For those industries where each kilogram matters, we keep improving at the source, learning from the field, and standing by our customers every step of the way.