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HS Code |
363211 |
| Chemical Name | Acetyleneurea |
| Synonyms | 2-Imidazolidinone, Ethyleneurea |
| Molecular Formula | C2H4N2O |
| Molecular Weight | 72.07 g/mol |
| Cas Number | 120-93-4 |
| Appearance | White crystalline powder |
| Melting Point | 131-134°C |
| Solubility In Water | Soluble |
| Density | 1.32 g/cm³ |
| Odor | Odorless |
| Ph | Neutral (in aqueous solution) |
| Stability | Stable under normal conditions |
| Storage Temperature | Room temperature |
As an accredited Acetyleneurea factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acetyleneurea is supplied in a 500g sealed HDPE bottle with a secure screw cap, labeled with hazard warnings and lot information. |
| Shipping | Acetyleneurea should be shipped in tightly sealed containers, protected from moisture and physical damage. It is classified as non-hazardous under most transport regulations. Store and transport in a cool, dry place, away from incompatible substances. Ensure proper labeling and documentation according to applicable shipping and safety guidelines. |
| Storage | Acetyleneurea should be stored in a cool, dry, and well-ventilated area, away from sources of heat, ignition, and incompatible materials such as strong oxidizers. Keep the container tightly closed when not in use. Store in a chemical storage area with appropriate labeling. Protect from moisture and direct sunlight to maintain stability and prevent decomposition. |
Applications of Acetyleneurea in Industrial ManufacturingAcetyleneurea, also known as 2-imidazolidone, serves specialty roles in multiple industrial production routes due to its unique reactivity and compatibility with specific curing, polymerization, and formulation systems. As the direct manufacturer, we implement strict controls to ensure suitability for high-end downstream processes. Below we outline major application sectors utilizing industrial-grade acetyleneurea, with details on compliance, dosage, integration, and end products. 1. Amino Resin Crosslinker in Paper Wet Strength AdditivesPaper manufacturers incorporate acetyleneurea as a co-monomer and crosslinking component in the synthesis of aminoplast resins, particularly for wet strength resins used in specialty papers. It contributes imidazolidone units to reinforce the polymer backbone, improving brightness and maintaining sheet integrity under aqueous conditions. Fine control of crosslink density optimizes mechanical properties without excessive brittleness. Our process support includes batch-specific assessment for high absorbency tissue and technical filter grades. Industry compliance standards
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2. Additive Component in Phenolic and Melamine-Urea-Formaldehyde Resins for Wood CompositesEngineered wood producers use acetyleneurea as a supplementary crosslinker in modified MUF (melamine-urea-formaldehyde) and phenolic resin chemistries. It acts to modulate formaldehyde release, enhance hydrolytic stability, and improve adhesive flow on oriented strand board (OSB), plywood, and laminated veneer lumber (LVL) lines. This functionality supports stringent emission standards and boosts bondline performance under humid or load-bearing conditions. Industry compliance standards
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3. Raw Material in Pharmaceutical Intermediate SynthesisChemical and pharma manufacturers utilize acetyleneurea as a downstream building block in the synthesis of imidazolone-based APIs and intermediates. Its bicyclic scaffold offers a direct entry point for subsequent N-alkylation, acylation, and complexation reactions. Quality-critical batch identity and purity tracking is implemented per customer’s regulatory requirements for clinical or cGMP pathways, supporting route development over multi-step campaigns. Industry compliance standards
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4. Crosslinker and Additive in Textile Finishing AgentsTextile chemical formulators use acetyleneurea as a component in non-formaldehyde wrinkle-resistant finishing agents and textile softeners. Its integration improves wash durability and resilience of treated fabrics, especially for polyester and polyester-cotton blends. Reliable process control prevents yellowing and preserves fabric handfeel. Our technical team provides specific formulation data to optimize finishing agent efficiency in continuous pad-dry-cure operations. Industry compliance standards
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5. Intermediate in Specialty Agrochemical SynthesisAgrochemical producers employ acetyleneurea as a chemical intermediate in the production of specific pesticide and fungicide active ingredients. The compound supplies a reactive urea or imidazolidone function for key cyclization steps, supporting selective formulation for crop protection molecules. Batch validation and traceability are maintained per global agrochemical production protocols, with analytical testing coordinated for every campaign. Industry compliance standards
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6. Raw Material for High-Performance Polymeric AdditivesPolymer compounders integrate acetyleneurea into the production of specialty copolymers, plasticizers, or modifier resins for advanced engineering plastics. It introduces controlled crystallinity and chain structure where improved dimensional stability, resistance to hydrolysis, and tailored thermal properties are required. We offer technical formulation assistance to accommodate the specific needs of the finished polymer application and processing equipment. Industry compliance standards
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Year after year, production managers come to us with questions about specialty urea derivatives. Most conversations focus on performance, consistency, and understanding how a product like acetyleneurea actually interacts with their process. Drawing on decades of manufacturing this compound, we have seen its value across a variety of applications, especially in resins, paper, and construction. As the original makers, we recognize both the strengths and the limitations of this chemical. Our direct production history provides unique clarity you won’t get from headline claims or simple product lists.
Manufacturing acetyleneurea calls for tight quality control throughout every stage. Early in the process, our team selects raw materials based on purity and traceability. We track critical parameters such as moisture content, residual acetylene, and urea purity, since these can affect downstream results. Typical product grades include a model with a 99% assay minimum, moisture under 0.2%, and extremely low ash. These specifications don’t just serve marketing purposes—they matter because even a minor deviation shows up during polymerization or compounding.
Operators on the plant floor monitor the reaction’s temperature and maintain real-time readings. Grain size and flow properties matter to our bulk packaging lines just as much as to our buyers, who expect powder that handles cleanly with pneumatic transfer systems or augers. At every bulk and dry packaging station, we run spot inspections and keep historical data for trend analysis. In our experience, tighter controls here reduce disruption in customer plants, especially in automated mixing or high-throughput environments.
Several years ago, a panel board plant reached out after fighting inconsistent curing rates. We ran joint trials with their technical staff, using our acetyleneurea as a crosslinker. The difference emerged within days. They reported improved batch reproducibility and observed less gas evolution during curing cycles. The result? Lower scrap rates and fewer complaints about product odor. These aren’t small wins. Customers using modified resins want their panels to satisfy both internal performance standards and export requirements. We learned to focus our process not just on purity but also on clearer labeling and batch certificates, because a single misplaced decimal point in formaldehyde release could turn a compliant board into rejected material.
Beyond panel boards, papermakers rely on acetyleneurea for its reactivity and manageability in wet-end systems. In their world, compatibility beats theoretical performance every time. Multiple papermills have told us that proper integration with polymer sizing agents drives both opacity and surface strength, translating directly to their bottom lines. The learning here is simple—you may have the best-claimed purity, but if the product doesn’t disperse readily or leaves deposits in headboxes, process interruptions soon follow.
Through years of lab work and industrial scale-up, we’ve seen acetyleneurea’s unique benefits take shape. Unlike plain urea or melamine-based compounds, this molecule features a five-membered ring incorporating both acetylene and urea functional groups. This structure opens notable reactivity in resin systems. In adhesives or crosslinkers, it helps form firmer, less brittle networks at lower addition levels.
Some customers ask whether melamine, methylurea, or simple urea can replace acetyleneurea. Our response is shaped by specific chemistry. For example, melamine offers hard curing but can cause haze and excessive formaldehyde levels. Methylurea, on the other hand, dissolves quickly but lacks the same strength improvements. Acetyleneurea stands out for its ability to add toughness without sacrificing clarity or introducing much free formaldehyde. If a producer feels tempted to swap in a cheaper alternative, our discussions always return to the end-use—especially when exported goods or technical certifications are at stake.
In production, sensitive process steps can turn small specification differences into major operational issues. Occasionally, we see end-users report troublesome dusting during handling or unexpected caking after several weeks in storage. Feedback like this led us to invest in antisurge treatment and custom blend additives that keep product free-flowing. By documenting every tweak in the downstream effect—blending, melting, or dissolving behaviors—we shorten troubleshooting cycles for our clients.
We also respect that not all laboratory claims hold up in an operational environment. Paper-formers, for example, want immediate wetting and clean meter readings. Our technical service group routinely visits customer sites to look at fiber dispersion, scale formation, and filtration losses. We adjust settings in our finishing line based on these direct observations. Manufacturing acetyleneurea is not just about chemical conversion, but about maintaining an ongoing feedback loop between plant and user.
Many new customers ask to see our QA records and traceability procedures. Years ago, an engineer from a white glue producer brought up concerns about minor contaminants in a competitor's product affecting long-term stability. We walked her through our batch record system, tracking every shipment from raw material source to finished bags. We review time stamps for every step—reaction, drying, sieving, and loading. We keep retained product samples for every batch shipped. This practice makes all the difference when a line operator calls about a change in reactivity or odor. Returning to retained samples helps confirm or dismiss shifts in material quality caused by transit or storage, not original manufacture.
Laboratory data back up field reports. Our in-house analysts verify acetyleneurea content, screen for trace byproducts, and run regular shelf-life assessments. Our senior chemist often tells us, “If you can’t measure it, you can’t improve it.” That philosophy guides every procedural check we run. Every buyer who walks through our plant leaves with a clear sense that “specification” means more than a number on paper—it reflects hundreds of process choices we have tested ourselves.
Bulk handling remains a central concern for industrial acetyleneurea users. Over the years, we have experimented with different particle size distributions to balance free-flow and dissolution speed. Resins factories care about powder compaction in hoppers and ease of pneumatic transfer. Papermakers worry about residue and build-up in wet sections, especially during humid months. We have solved these issues through process upgrades and frequent training for our own warehouse staff. Our packaging lines now use bags with enhanced barrier properties to keep moisture pick-up low—because a clumped batch can throw off days of production planning.
Real-world application experience sets product apart from theory. Years ago, we joined a development meeting with a construction polymer group testing new adhesive blends. They had problems with incompatible additives, and their initial batches gummed up equipment. Collaborating closely, we reformulated the product at our plant, extending their batch stability by weeks and reducing downtime. These learning cycles drive product improvement and build trust with customers facing new regulatory or export barriers.
Many buyers ask how acetyleneurea compares to more common building blocks like urea or melamine. While all can form part of resin or coating recipes, only acetyleneurea brings a unique blend of reactivity and process stability. Melamine’s triazine ring works for high-performance coatings but introduces extra formaldehyde concerns. Plain urea dissolves quickly, but its end-use properties plateau in demanding crosslinked polymers. Our experience with acetyleneurea shows that it enhances finished product strength and clarity with relatively low addition rates. This attribute proves especially useful in lightweight boards, specialty papers, and high-performance adhesives.
Price sometimes dominates conversations. Some customers consider switching to cheaper alternatives after price shocks. From our perspective as both producer and long-term user, such moves often backfire. Replacement with a non-selective urea derivative can lead to more maintenance, process variability, and fines or rework. Testing done in our technical center repeatedly finds that the up-front savings from using lower-cost material rarely offset the operational and quality risks.
Handling acetyleneurea safely is not just a matter of regulatory compliance but practical plant management. We have invested in training for our loading dock staff, providing them with tailored instruction to minimize dust release. Local guidelines require us to file safety data, but we also run voluntary drills with regional responders. In recent years, more buyers have started asking questions about environmental impacts. We supply them with full disclosure of our manufacturing waste treatment protocols and realistic guidance for spill management.
Sustainability sits on the agenda for every production meeting. We examine process inputs, recycle wash water, and control byproduct emissions. Some improvements result in only marginal cost savings, but the bigger gain is long-term operational security. Most clients want a supplier willing to explain their waste paths, answer tough questions about effluent, and deliver full chain-of-custody documentation for product batches moving overseas. We take these requests seriously, not as a compliance exercise but as a reflection of changing buyer priorities.
End-users sometimes bring unusual requests for custom grades or pre-blends. We welcome these discussions, since new challenges shape how we improve product and service. One startup customer recently designed a bio-based resin system needing an acetyleneurea variant with tighter color controls. Our team adjusted production parameters to minimize trace coloration, working side by side with their chemists to test proof-of-concept runs at both sites. Feedback cycles like this have led to new grades tailored for fast-dissolving dispersions or hybrid applications.
Sharing our process knowledge means more than listing literature claims. We encourage regular customer visits to our plant floor for direct observation. These interactions improve both sides, letting us adapt faster and letting buyers directly influence formulation and packaging upgrades. New regulatory changes—such as evolving formaldehyde emission limits—often prompt open discussions about how acetyleneurea could fit emerging industry pathways. Our history tells us that those who focus on transparency and proof in production gain the trust that keeps partnerships strong.
As a primary manufacturer, we treat consistency as the core of our business. Over the years, the best validation has come not from marketing studies, but from customers who come back after trying alternatives, having discovered real-world differences in reliability. We keep archives of customer production data, tracking how quality shifts map onto process changes in their lines. By sharing these insights, we help buyers reach higher yields, meet tougher compliance goals, and plan future product launches.
We believe in learning from each shipment and adapting along with both old and new users of acetyleneurea. This philosophy runs through our production hallways and meets every client conversation with open data and honest discussion. Real value comes from consistent performance, concrete answers, and honest assessment—not just on-day delivery, but ongoing confidence in the product supplied. Through our cumulative production experience, acetyleneurea remains a tool for technical advancement rather than a commodity to be swapped without attention to detail. Every ton we make reflects a partnership built on shared knowledge, practical improvement, and trust forged across years of collaboration.
