|
HS Code |
451365 |
| Cas Number | 33456-53-2 |
| Molecular Formula | C8H16I2 |
| Molar Mass | 365.02 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 154-157 °C at 20 mmHg |
| Density | 2.322 g/cm3 at 25 °C |
| Refractive Index | 1.589 at 20 °C |
| Melting Point | -3 °C |
| Solubility In Water | Insoluble |
| Flash Point | >110 °C (closed cup) |
As an accredited 1,8-Diiodooctane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1,8-Diiodooctane is supplied in a 25 g amber glass bottle with a secure screw cap, clearly labeled for laboratory use. |
| Shipping | 1,8-Diiodooctane is shipped in tightly sealed containers to prevent leakage and protect from moisture and light. The packaging complies with hazardous materials regulations. During transport, it is labeled according to safety guidelines, stored upright, and kept away from incompatible substances to ensure safe and secure delivery. |
| Storage | 1,8-Diiodooctane should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight and incompatible substances such as strong oxidizers. Keep the container away from heat sources and store at room temperature. Ensure proper labeling, and handle the chemical using appropriate personal protective equipment to avoid exposure. |
Applications of 1,8-Diiodooctane in Industrial Manufacturing1,8-Diiodooctane serves as a specialized processing aid and additive across multiple advanced chemical industries. With high chemical purity and well-defined reactivity, this material finds utility in critical manufacturing environments. Below we detail actual downstream applications, with process details, compliance requirements, and end product use for each sector. 1. Organic Photovoltaic (OPV) Devices ManufacturingManufacturers of organic solar cells consistently use 1,8-diiodooctane as a high-boiling-point solvent additive to optimize film morphology in bulk heterojunction layers. Production lines for photovoltaic modules introduce it during the active layer casting stage to enhance crystallinity and phase separation of donor–acceptor blends, such as P3HT:PCBM systems. This adjustment significantly increases device efficiency and reproducibility at scale, requiring strict material purity and residual control post-processing. Our technical support ensures downstream teams achieve consistent layer uniformity and minimized defect rates through optimized additive delivery protocols. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Organic Light-Emitting Diode (OLED) Display Production1,8-Diiodooctane acts as a morphology control additive in commercial OLED ink formulations, especially for printable emissive layers involving high-mobility polymers and fullerene derivatives. Fabricators dose it precisely during ink preparation to improve nanoscale ordering of the active layer and to regulate wetting on large-area substrates. Downstream device assembly benefits from stabilized electroluminescent properties, higher yields, and reduced defect densities in pixel arrays. Detailed QC follows ISO/OLED industry requirements for additive impurities and post-processing volatilization. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Organic Field-Effect Transistor (OFET) FabricationElectronics manufacturers rely on 1,8-diiodooctane as a processing additive for polymer semiconductor films in OFET fabrication. The additive improves polymer chain alignment and crystalline domain growth, resulting in higher charge-carrier mobility and improved switching behavior. Integration occurs at the solution deposition phase, primarily for high-throughput printing or spin casting on flexible substrates. The precise control of additive dosing is critical for ensuring device uniformity and material stability under commercial testing protocols. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Organic Thin-Film Transistor (OTFT) Smart PackagingIn electronic packaging, 1,8-diiodooctane is applied during OTFT fabrication to modulate polymer film formation for thin, high-mobility transistor layers used in intelligent labeling and logistics tracking products. Material handling teams blend it to optimize semiconductor interface properties, resulting in reliable gate performance and signal consistency across large batch runs. Compliance and process controls address both chemical safety and migration potential, as packaging often contacts sensitive electronics or pharmaceuticals. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. High-Performance Polymer Electronic Research and PrototypingAcademic and industrial R&D centers use 1,8-diiodooctane extensively in small molecule and polymer semiconductor formulation during material screening and pilot prototyping. Chemists experiment with dosage to study influence on film morphology, device metrics, and post-processing stability. Documented in peer-reviewed literature and international consortia projects, this application enables rapid iteration of new materials and scalable process design for commercial licensing in the electronics sector. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
|
Competitive 1,8-Diiodooctane prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
Flexible payment, competitive price, premium service - Inquire now!
For anyone stepping into organic electronics, the significance of certain additives often goes overlooked until hands-on work reveals their value. As the manufacturer, we’ve witnessed firsthand the steady rise of 1,8-Diiodooctane (DIO) in the production line and research labs, especially for those pursuing higher-efficiency devices. Formulated to meet demanding purity standards, our batch-to-batch consistency gives peace of mind — a consideration that only becomes apparent after troubleshooting variations that trace back to raw materials.
Our direct experience crafting DIO, a small yet crucial molecule, has linked us closely with device engineering teams whose output depends on this additive. We start with high-purity reagents and stringently controlled synthesis. Competing products may look similar at first glance, but, in our daily runs and quality checks, small deviations in crystal clarity and residual halide content quickly impact end-use performance. The way iodination is conducted, how the octane chain stays free of impurities, how trace organics are kept in check — these behind-the-scenes details make or break device reliability and reproducibility.
DIO features prominently in printable electronics and OPV (organic photovoltaic) production. Experienced customers know that slight impurities — even below the eye’s detection — can alter the mobility of charge carriers or tweak the lifespan of their devices by months. We have invested substantial effort into advanced purification techniques, combining multiple recrystallizations with selective charcoal treatments to bring impurity levels down. Chromatographic and spectroscopic validation rounds off every lot, and we store material under inert gas to ensure stability from our door to yours.
While some may assume DIO purity is equivalent from every source, device testing tells a different story. Finished films based on our 1,8-Diiodooctane regularly show superior morphology and phase separation, translating directly into improved performance for both small-scale labs and full production lines. Replicability stands as the most telling proof: device batches made from other sources often reveal subtle—but crucial—differences in output that matter to research groups chasing the next efficiency milestone or manufacturers staking their line’s reliability on consistent input.
Market claims often blur real, tested differences. One critical variable is residue content: traces of iodine, halogenated byproducts, or shorter-chain impurities find their way into less carefully synthesized material. Solubility in standard nonpolar solvents and complete miscibility with the host polymer matrix are make-or-break issues for printed devices. Through close partnerships with university labs and pilot producers, we test each lot for actual device compatibility — not just chemical identity.
Many users have noted that some DIO products leave films with visible pinholes, inconsistent crystallinity, or brown residuals that slowly affect device behavior. We test each batch specifically for film-forming attributes, and that work reflects in our partners’ satisfied feedback. To further strengthen results, we share data openly when customers request trace impurity breakdown — transparency that helps both sides understand how to shield devices from defects at the nanoscale.
We have spent years working with polymer solar cell developers, OLED manufacturers, and printed electronics start-ups. Some teams run line trials with multiple batches, measuring output variation at every turn. In these hands-on settings, the choices we make as manufacturers surface quickly: was our last shipment dry and homogeneous? Did it blend seamlessly as expected? We align our process parameters to anticipate these critical needs, adjusting vacuum drying cycles and packaging to lock in shelf stability, even for extended storage.
In the field, processors tell us that DIO acts as a key phase modifier—encouraging the donor and acceptor materials to micro-separate at just the right rate. This helps lock in the nanostructure that guides charge separation and collection. Even marginal variations in boiling point, halogen content, and solubility can disrupt this effect. The feedback loop with our customers runs both ways: their real-world troubleshooting prompts us to adjust parameters and redesign test protocols, and our in-house R&D feeds new insights back to end users.
In device engineering, a small set of high-boiling-point additives see routine use. DIO’s closest siblings include 1,8-dibromooctane, 1,2-dichlorobenzene, and certain thiophene derivatives. Each brings a distinct profile. The iodine atoms in DIO, heavier than comparable halides, give it superior ability to influence microstructure at lower concentrations and have a lower tendency toward oxidative side reactions.
Comparative lab runs have shown that 1,8-dibromooctane can sometimes leave unwanted ionic residues that slowly migrate in device structures. Chlorinated aromatics break down in air, exposing devices to ageing and loss of output after just a few weeks under light. By contrast, our 1,8-Diiodooctane routinely maintains film uniformity and electrical characteristics, matching the tight specs of large-scale OPV lines. Every time we see a device pass 1,000-hour light stability tests, it reaffirms the long production hours that went into optimizing our process.
For researchers looking to tune phase separation, or seeking better solubility without attacking sensitive device layers, DIO stands out as a durable and reliable drop-in. Long experience has taught us that reliable film-forming and lot-to-lot consistency is rarely achieved with generic alternatives. Reports from years of side-by-side production have tipped companies toward our material after noting fewer device failures, less downtime for troubleshooting, and higher measured efficiency at scale. It only takes one or two missed shipment deadlines for customers to demand real-world performance data. Here is where our hands-on, accountable approach makes the difference.
Through two decades spent meeting custom orders, we learned that packaging and handling are as critical as chemical identity. Moisture incursion, even for a few hours, creates problems down the supply chain that surface only after lab-scale blending or during device aging. For this reason, we seal every shipment of DIO under high-purity argon, using laminated foil or HDPE bottles tailored to keeping volatile additives safe. The weight range matches typical industrial lines, from pilot batches to tonnage volumes. We scale up with direct line-of-sight QC, increasing vapor-phase drying or extending storage as customers scale their lines.
Device yields and performance metrics always trace back to attention paid at the production floor. Years spent training staff to spot subtle color shifts and tweaking purification routines have cut defect rates and built relationships with regular customers who appreciate consistency more than low cost alone. Many of our repeat orders come from teams who stay in touch about test results, letting us know promptly if a change in feedstock or storage conditions has affected their own yields. Each of these touchpoints informs how we ship, how we document each lot, and how we guarantee material authenticity.
Each time device performance drops or a line output falls short, the hunt for root cause often winds back to materials. As manufacturers, we hear regularly from customers who have spent months troubleshooting only to find that data sheets don’t always reflect actual chemical behavior. Our solution has always been direct dialogue. We ask for device-level data, run matching compatibility tests, and modify QC points based on real feedback instead of abstract ideals. Device success for our partners shapes our day-to-day process decisions.
Our R&D team regularly investigates new synthetic routes for DIO, working to eliminate trace contaminants and reduce process handling time without compromising product quality. During global shipping delays, we put extra resources into maintaining inventory buffers and batch reserve samples to cover urgent needs. Our team has shared findings at major OPV and display conferences, offering honest assessments that reflect both strengths and remaining challenges for DIO and its alternatives. Our plant runs around the clock, but quality checkpoints and documentation still take precedence over output volume.
Customers frequently raise questions about the environmental footprint of high-boiling iodinated additives. As the first link in the chain, we are keenly aware of our responsibility in safe production and transparent sourcing. Exhaust scrubbing systems, safe disposal of reaction byproducts, and careful monitoring of workplace air are constant priorities. We routinely review and update safety data in light of upstream supply variation and regional compliance shifts.
DIO’s relatively low volatility and precise dosage requirements in end products minimize its overall presence compared to solvents or other process chemicals. We advise customers on best practices for handling and downstream waste management, working together to reduce risks and environmental impact. In many manufacturing settings, improved device efficiency delivered by DIO shortens process time and lowers rejection rates — a direct, quantifiable benefit for both cost and sustainability metrics.
Direct work with R&D teams has refined our appreciation for application nuances. Small-batch researchers may tolerate greater fluctuation in supplier material but find themselves limited when lab results fail to extend to scale. Through their challenges, we have fine-tuned the balance between small quantity flexibility and the strict controls large production lines expect. These cycles have fed into how we staff, train, and size production.
Our journey producing 1,8-Diiodooctane owes much to lessons learned on both sides of the supply chain: users depend on us to understand not just purity, but also the technical constraints they face under tight deadlines and evolving technologies. We no longer see ourselves as distant from the user’s workbench; technicians now call us directly with questions, and we welcome the chance to confirm, improve, or explain our methods based on their real measurements.
Device manufacturers rarely have the luxury of pausing lines for supplier inconsistencies. Each run of DIO we deliver represents hours of direct attention — not just to benchmarks, but to batch-to-batch tracking, shipment timelines, and technical advice. Advocates for traceability have prompted us to develop a full transparency log for each shipment, so origin, storage, and test results remain available years after delivery. We have seen how customers tracing long-term device performance come back seeking exact lot information to pinpoint process improvements — a practice we support with full access to our records.
Customer requests often drive subtle but far-reaching changes in our methods: low-light device testing, advanced analytical protocols, or speedier sample turnaround. We welcome these challenges, knowing that meeting them directly shapes how our 1,8-Diiodooctane performs in devices that mark tomorrow’s technological leaps. Our focus remains practical: whether a user is refining a next-gen OLED panel, developing more efficient solar modules, or simply seeking a reproducible additive, our job is not finished until their device matches the data.
Organic electronics continue to expand — gaining footholds in areas as varied as flexible displays, medical sensors, automotive coatings, and energy harvesting. Core materials like 1,8-Diiodooctane form the backbone of this shift, enabling advances that demand both technical depth and nimble responsiveness at the supply level. Years working directly with product engineers have made clear that advances in device lifetimes and efficiencies ripple outward, setting new benchmarks for materials suppliers like us.
Our QA and synthesis units routinely scan technical journals and attend industry meetings to remain aligned with evolving standards and best practices. Device chemistries change rapidly, and additives once considered sufficient occasionally fall short as device architectures shift. We build in flexibility, not by diluting our standards, but through regular investment in new process tech, tighter feedback cycles, and open dialogue with industry leaders.
Sourcing, purifying, and delivering DIO at this level of care demands close teamwork across the entire plant. Routine maintenance, skill-sharing, and methodical upgrade of instrumentation keep us adaptable. Stories of innovation — or setbacks — from the end user feed back into process upgrades and inventory planning. We reflect on every major customer query and approach each shipment as both a test and a proof point for the next generation of devices.
In the last decade, rapid advances in printable device architectures have nudged specialty chemicals like DIO from background roles to essential ones. As trusted auditors and technical advisors, we benefit from direct access to how DIO is deployed in research and production. We do far more than just fill orders; by engaging with customers on results, mistakes, and improvements, we’ve raised our own expectations for what DIO can deliver. This close connection is reflected in real-world output, innovation timelines, and long-term reliability.
Direct input from users has shaped every step of our quality management system, blending hands-on chemical knowhow with responsive customer support. Technicians, lab heads, and process engineers regularly challenge us to adapt, re-test, or document in new ways. We move forward by treating every lot as a demonstration of our capability — not merely an obligation. Greater transparency, technical engagement, and direct dialogue define how we operate and help us keep 1,8-Diiodooctane ahead of industry requirements.
Device complexity has reached a level where additives like DIO exert a tangible influence at the nanometer scale. Our own measurements show that surface energy, film-forming kinetics, and even minute lot-to-lot shifts will ripple outwards in big production runs. We invest in advanced analytics — GC/MS, HPLC, multiple spectroscopic platforms — to monitor and meet these emerging demands. As new device standards arise and research groups publish on additive interactions, we are quick to validate claims in our own lab and field the results with our partners.
Such focus on detail benefits both established manufacturers and those bringing disruptive technology to market. By keeping all stakeholders close to the loop and making real changes based on collaborative review, we maintain a reputation for predictable, genuine quality. We see every request for documentation, or every skeptical query, as a chance to prove with facts, not promises. Over many years, our 1,8-Diiodooctane has earned a place in advanced electronic material production lines by standing up to ongoing scrutiny and meeting new application benchmarks with each new iteration.
For us, the value of 1,8-Diiodooctane comes from a relentless focus on quality, transparency, and responsiveness. The additive’s reach stretches across organic electronics, solar, and other emerging fields where every incremental gain matters. Our commitment has always been to link material quality with device performance, building confidence in every shipment and supporting our customers across the life cycle of their technologies. The stories we hear back from the factory floor aren’t generic — they are hard-earned successes fed by mutual trust and hands-on partnership. In this way, 1,8-Diiodooctane moves from an ingredient to a driver of progress, answered by the demands of real production and real innovation.