| HS Code | 485794 |
| Cas Number | 4419-11-8 |
| Molecular Formula | C14H24N4 |
| Molecular Weight | 248.37 g/mol |
| Appearance | White to light yellow crystalline powder |
| Melting Point | 52-56°C |
| Boiling Point | Decomposes before boiling |
| Solubility In Water | Insoluble |
| Density | 1.04 g/cm³ |
| Storage Temperature | 2-8°C (refrigerated, protected from light) |
| Main Use | Free radical initiator in polymerization reactions |
As an accredited 2,2'-Azobis(2,4-Dimethylpentanenitrile) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 100-gram amber glass bottle, sealed with a screw cap, labeled with hazard symbols and product details for 2,2'-Azobis(2,4-Dimethylpentanenitrile). |
| Shipping | 2,2'-Azobis(2,4-Dimethylpentanenitrile) is shipped as a hazardous material, typically in sealed, temperature-controlled containers to prevent decomposition. It should be kept away from heat, sparks, and open flames. Proper labeling and documentation in accordance with relevant local and international regulations (such as DOT, IATA, and IMDG) are required during transit. |
| Storage | 2,2'-Azobis(2,4-Dimethylpentanenitrile) should be stored in a tightly closed container, in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as strong oxidizers, acids, and bases. It should be kept under inert atmosphere—preferably nitrogen—and refrigerated, ideally at temperatures below 0°C to prevent decomposition. Avoid shock, friction, or contamination. |
2,2'-Azobis(2,4-Dimethylpentanenitrile) (ADN) functions as a high-activity free radical initiator in polymer manufacturing, offering thermal stability and controlled decomposition at specific temperatures. As a specialized azo initiator, ADN finds tailored application in multiple advanced resins and elastomer productions, supporting precise molecular weight control and targeted end-product performance. Below, we outline key downstream settings, compliance requirements, formulation specifics, integration steps, and finished goods resulting from ADN application.
Producers of high-pressure LDPE employ ADN as a high-efficiency free radical initiator, particularly for grades requiring exceptionally uniform branching to deliver precise melt flow characteristics. The unique decomposition profile minimizes secondary impurities formation, supporting advanced grade resins crucial for extrusion, injection, and high-clarity film applications. Formulators select ADN due to its thermal decomposition onset aligning with high-pressure autoclave or tubular reactors, enabling controlled polymer growth under aggressive processing parameters.
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Polymer plants manufacturing ethylene-vinyl acetate copolymers use ADN to regulate molecular architecture, targeting specific melt index and flexibility profiles. Its high-temperature decomposition reduces gel content compared to standard peroxides, which is critical in applications where ultra-clean films or precise foam densities are required. Producers rely on ADN for batch and continuous processes, where the initiator’s stability at elevated temperatures allows for narrow molecular weight distribution and reproducible co-monomer incorporation.
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Specialty batch and continuous ABS producers incorporate ADN during the emulsion graft polymerization step, where tight control of particle size and superior grafting efficiency are required. The stable decomposition rate allows process engineers to maintain consistent latex quality and minimize monomer residuals, even under the temperature fluctuations typical of industrial-scale reactors. ADN’s profile fits high-performance ABS for automotive and appliance applications, where strict quality and mechanical requirements prevail.
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Producers of NBR employ ADN in the controlled polymerization of butadiene and acrylonitrile, where fine adjustment of nitrile content defines chemical and oil resistance properties in finished elastomers. ADN initiates the free radical emulsion process at higher-initiation temperature, supporting batch integrity and improving polymer uniformity even at larger reactor volumes. These features are critical for high-grade NBR used in demanding automotive and sealing applications, where minor compositional variances can affect finished product resilience.
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ADN serves as an efficient initiator in the polymerization of styrene and acrylonitrile for SAN production, benefiting manufacturers focused on clear, dimensionally stable plastics. Its high-temperature threshold reduces formation of yellowing byproducts and gel particles, a key concern in applications demanding optical clarity and regulatory compliance for food-contact materials. Operators streamline the transition from laboratory methods to continuous reactor operation using ADN, given its predictable half-life and clean decomposition profile.
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In the manufacture of high-denier acrylic fibers, ADN enables spinneret-grade control over polymer chain length and particle aggregation, directly impacting dye affinity and mechanical properties of spun yarns. Fiber producers use ADN in wet and dry spinning production lines where traditional peroxides risk fiber yellowing and poor filament strength. Consistent initiation with ADN secures pigment receptor uniformity and reduces off-grade waste in large polymerization runs, especially relevant for fashion and domestic textile applications where end-use requirements are tightly specified.
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Competitive 2,2'-Azobis(2,4-Dimethylpentanenitrile) prices that fit your budget—flexible terms and customized quotes for every order.
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Years on the plant floor and in the lab have taught us where theory meets reality with specialty azobis nitrile compounds. Among these, 2,2'-Azobis(2,4-Dimethylpentanenitrile), often designated as ADPN, has consistently met the requirements for consistent and clean free-radical initiation in organic synthesis. For years, colleagues in adhesive formulation, elastomer production, and specialty plastic synthesis have told us the same: they value its dependable release profile and its ability to deliver controlled molecular weight distribution, no matter the batch size or substrate.
The formula for 2,2'-Azobis(2,4-Dimethylpentanenitrile) represents more than just another peroxyl competitor. This molecule stands out structurally and functionally when compared to legacy initiators such as AIBN or peroxide-based systems. In an industry focused on process reliability and product purity, that difference shows up where it matters most: in the molding room, along the extrusion line, and inside the QC lab, as they log each specification.
We know that defined specifications reduce surprise and unpredictable downtime. Purity for ADPN starts at 98% minimum, determined by HPLC analysis in-house. Free nitrile and related impurities find regular monitoring; our lot-to-lot reproducibility standards do not just look nice on a data sheet — they come from feedback after seeing what small variations do to reaction times and color formation. Particle size for this initiator is intentionally set in a fine, flowable crystalline form, allowing easy handling and measured addition in both continuous and batch reactors. Moisture content comes in under 0.2% because even slightly damp material can set a polymerization run off target. Our technical staff stress test each lot for thermal decomposition onset, confirming a temperature range on-set typically between 65-72°C, where radical production becomes significant.
In manufacturing, time lost to cleaning out fouled reactor vessels or fighting product discoloration eats away at both margins and trust. Operators across polymer, adhesive, or emulsion producers know how subtle differences in initiator performance can alter the entire trajectory of a batch. ADPN offers a longer half-life at moderate polymerization temperatures. This quality makes it attractive anywhere you want to avoid a hot, runaway reaction but insist on full monomer conversion. Unlike AIBN, which decomposes rapidly at around 60°C and produces tetramethylsuccinonitrile (an odorant and potential impurity), ADPN volatilizes with fewer low molecular weight byproducts. Many industrial users notice the lower odor and cleaner end-product, reporting less off-gassing during cure and better clarity on color-critical resins.
Whether the product will be dosed by weight or pre-dissolved for online injection, bulkers and technicians often prefer ADPN’s crystalline form. Some initiators arrive in clumped, poorly flowable qualities, but with ADPN, our attention to blending and drying leads to consistent, pourable powder year-round — crucial in humid or high-throughput operations.
Supply assurance for high-purity azobis compounds often challenges global producers. As direct manufacturers, we run each campaign from raw material input to the final drum or carton. There’s no third-party repack or blending step, and this means lower risk for foreign particles, adulterations, or unexpected contaminants. We routinely submit material to independent screening, so our customers know there’s a lineage of reliability in each lot that leaves the plant.
For vinyl chloride and acrylate polymerizations, ADPN enables formulators to extend reaction times, lower exothermic events, and fine-tune molecular architecture. Our process chemists note that when compared to more basic azo initiators, such as AIBN, the use of 2,2'-Azobis(2,4-Dimethylpentanenitrile) allows better conversion yields at mid-range temperatures. This initiator has grown in demand among emulsion and suspension polymerization plants, particularly those pursuing homogenous latex particle size and minimal coagulum. Small differences in decomposition byproducts and evolutions of nitrogen during initiation present a real advantage: final dispersions avoid unwanted haze and maintain higher storage stability.
In adhesive solution production, where solvent quality and viscosity need strict control, ADPN can outperform peroxide alternatives by reducing the amount of oxygenated byproduct load. End-users constantly mention the freedom to tweak operating temperatures or use less costly cooling setups thanks to its more gradual release profile. For block copolymer and elastomer synthesis, this initiator supports tighter block length and distribution control. We’ve seen customers in Asia and Europe make the switch specifically for co-polymerization lines targeting medical or automotive grades, where regulatory scrutiny or downstream extractables require high initiator purity and lower side reactions.
In pilot production setups, even small run-to-run variations in initiator reactivity can mean lost time and rework. Our technical assistance team shares insight directly from pilot plants and scale-ups: choosing ADPN can cut troubleshooting or secondary purification needs by as much as 35%, especially where color, clarity, and VOC content rule customer acceptance. The gradual decomposition and manageable exotherms give process managers room to experiment or adjust cycle times without risking off-spec product.
Academic labs focusing on radical polymer mechanistic studies have also returned to our team, reporting high reproducibility and minimal side-product formation when using ADPN in kinetic chain-transfer studies. This supports cleaner data, easier product isolation, and broader confidence in upscaling later to industrial batch sizes.
Once, poorly stored packages or exposure to moisture led to clumping and, in a few cases, spontaneous decomposition, causing operational and safety headaches. Our storage and transportation protocols took a lesson from those early mishaps. All production batches receive hermetic sealing and vacuum-inert atmosphere packing as soon as they pass quality controls. This minimizes the growth of hot-spots in transit and ensures that every drum or carton arrives free-flowing, ready for immediate weighing and use.
Technicians sharing storage recommendations emphasize constant temperature environments, away from direct sunlight or sudden heat fluctuations. Older warehouses and logistics chains sometimes overlook subtle humidity control, and initiators—especially azobis compounds—hold up far better below 30°C in dry, draft-free environments. We’ve observed how even slight moisture ingress can speed up decomposition, so strict dryness standards make a real difference over longer shelf lives.
Handling ADPN remains straightforward, provided personnel follow normal PPE and ventilation guidelines required for all nitrile-based initiators. We provide user guides based on years of experience across climates and applications, designed with feedback from partners handling everything from kilogram samples to tonnage lots.
In many cost analyses, end-users compare ADPN directly to AIBN, V-65, and lauroyl peroxide. Having tested these alternatives side-by-side, we’ve seen how each profile fits certain workflows. AIBN remains the baseline standard in many labs, but its rapid decomposition favors processes focusing on very short cycle times or high temperatures, which can cause heat control headaches and sometimes lead to incomplete monomer conversion or off-color product. Few alternatives can produce such a controlled, moderate initiation profile at temperatures below 75°C as ADPN. Technicians running larger batch reactors often report less foam formation, easier degassing, and more even product color.
Peroxide-based initiators, while inexpensive and easy to source, bring with them difficult side-product management, off-odors, and stricter storage precautions. Our feedback from pilot plants and large-scale operations tells us that switching to ADPN for solvent-based or waterborne polymerization lines pays off in fewer equipment cleaning cycles and greater staff satisfaction, thanks to lower odor and less volatile byproduct. In co-polymerizations, where component distribution and final product resilience spell the difference between success and failure in demanding sectors like building materials or automotive interiors, ADPN’s stability and lower impurity introduction have repeatedly solved issues with physical property variation and excessive extractables.
Several partners in Eastern Europe and North America have migrated entire multi-product lines over to ADPN from peroxides or AIBN, posting quality data demonstrating both end-use reliability and reduced waste. Such changes came about because they were looking for more than just incremental gains; they sought to stabilize production regardless of seasonal temperature swings or raw material variability. Our field team closely supported transitions, removing bottlenecks and reworking formulation points to deliver the benefits straight into their operating margins.
Early in our manufacturing program, health and safety experts flagged nitrile compounds as chemicals to treat with respect. The plant’s investment in custom ventilation, operator training, and emergency protocols has stood the test of time. While ADPN’s byproducts are less problematic than many organic peroxides, robust fume control and PPE expectations remain standard, especially during scale-up or transfer operations.
Regulatory audits and customer requests for green chemistry improvement led us to invest in both in-process waste reduction and post-use product stewardship. Our continuous synthesis methods produce minimal off-spec tailings, and closed-loop solvent reclamation ensures that process emissions stay low. For customers operating under ISO 14001 or similar environmental frameworks, we supply full traceability on both materials sourcing and batch genealogy.
Waste management for spent ADPN containers or residues follows established chemical industry best practices, emphasizing incineration at controlled temperatures. By consistently testing effluent and supporting localised best-practice guidelines, our impact footprint holds steady and earns equally consistent acceptance on supplier audits.
Rapid demand shifts and volatile shipping conditions caused headaches for specialty chemical buyers recently. Our plant sources key nitrile inputs globally but insists on dual-verified traceability for each incoming lot. We maintain both in-lab testing regimes and supply chain tracking to ensure that every kilogram of 2,2'-Azobis(2,4-Dimethylpentanenitrile) sent out matches the intended purity and performance profile.
For clients concerned about adulteration or unauthorized repackaging, we support on-site verifications and unique lot tracing, so every shipment matches genuine specifications. Feedback from partners who previously ended up with counterfeit or diluted azobis products has led us to support more frequent on-site process audits and shared best practices to reduce risk. These safeguards directly reflect what we’ve learned through years in the industry — a chain is only as strong as its weakest link.
Every batch of ADPN we produce benefits from constant dialogue with the plant floor, the lab, and downstream users. Custom fineness, enhanced flowability, or packaging updates grew straight out of handling feedback from actual production engineers facing real-world challenges: transfer losses, tricky dosing, or caking. Engineers and technicians often require granular data on decomposition onset or impurity evolution, and our tech support team responds with precise measurements, not just rounded figures.
Open communication with customers spurred improvements across multiple formulations, including tailored blends for low-temperature processing and process-specific particle size distribution. We have also invested in automated sampling and testing lines; every lot shipped carries updated analytical data with real-world relevance, improving decision-making and driving down troubleshooting.
Given today’s regulatory environment, process traceability and specification integrity count more than ever. Our ongoing investment in in-house analytics and transparent reporting ensures that buyers — from process chemists to procurement teams — always have access to the latest data, not just legacy PDFs or templated claims.
Our technical service teams support new users with onsite consultations, focusing on process optimization for yield, impurity suppression, and end-use performance. We join customer process trials, troubleshoot atypical results, and share process improvements rooted in years of lab and plant experience. These visits often spark new use cases and translate into custom production runs or batch-scale application notes.
Our aim remains to improve throughput, reliability, and customer confidence. Users frequently reach out for advice during major process transitions — whether shifting to waterborne formulations or integrating inline real-time monitoring of initiator decomposition. Instead of stock answers, we share tailored advice and on-site visits to handle the variables only real-life experience can teach. Our collaboration routinely delivers measurable gains: higher conversion rates, cleaner product, and reduced transition downtime for each process upgrade.
The market for specialty radical initiators has evolved rapidly, driven by regulatory demands, cleaner product targets, and client feedback for improved process safety. Advances in analytical methods and process control mean ever-tightening performance standards. As direct manufacturers, our commitment is to turn user insights into operational improvements that make a difference on the plant floor.
Our ongoing efforts in refining production, logistics, and field support ensure that 2,2'-Azobis(2,4-Dimethylpentanenitrile) continues to serve as a dependable choice across high-value polymer, adhesive, and elastomer markets. Each production campaign delivers not just on paper specification, but in measurable gains for customers committed to quality, safety, and efficiency.
Bringing together deep manufacturing experience, technical transparency, and responsive field support, we continue working alongside users to meet emerging industry needs. In a market crowded by off-the-shelf claims and trading intermediaries, our factory-door approach to quality control and product integrity remains a cornerstone, supported by years of customer trust and results that speak through every batch shipped.
