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HS Code |
904200 |
| Chemicalname | 2-Iodo-1,3-Dimethylbenzene |
| Molecularformula | C8H9I |
| Molecularweight | 232.06 g/mol |
| Casnumber | 612-16-8 |
| Appearance | Colorless to pale yellow liquid |
| Boilingpoint | 238-240 °C |
| Density | 1.661 g/cm³ |
| Refractiveindex | 1.632 |
| Flashpoint | 110 °C |
| Purity | Typically ≥98% |
| Synonyms | 2-Iodo-m-xylene, 2-Iodo-1,3-xylene |
| Smiles | CC1=C(C=CC=C1I)C |
| Inchikey | BLHRXZPWGJNKFU-UHFFFAOYSA-N |
As an accredited 2-Iodo-1,3-Dimethylbenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, tightly sealed with a screw cap, labeled clearly. Contains 25 grams of 2-Iodo-1,3-Dimethylbenzene. |
| Shipping | 2-Iodo-1,3-Dimethylbenzene is shipped in tightly sealed containers, protected from light and moisture. It is transported in compliance with relevant regulations for hazardous materials, ensuring safety from physical damage and environmental exposure. The container is clearly labeled with appropriate hazard symbols and handled by trained personnel during transit and delivery. |
| Storage | 2-Iodo-1,3-dimethylbenzene should be stored in a tightly sealed container, kept in a cool, dry, and well-ventilated area, away from sources of heat, ignition, and direct sunlight. Store separately from strong oxidizing agents and incompatible substances. Ensure the storage area is equipped with proper spill containment and labeled appropriately to prevent accidental exposure and environmental contamination. |
Applications of 2-Iodo-1,3-Dimethylbenzene in Industrial Manufacturing2-Iodo-1,3-Dimethylbenzene serves as a critical intermediate in several precise synthesis processes across the fine chemical and pharmaceutical sectors. Our facility supplies consistent, high-purity grades to support rigorous industrial requirements. Below are primary application tracks supported by direct supply to global manufacturing end-users. 1. Pharmaceutical Intermediate Production for Anti-inflammatory AgentsContract drug manufacturers and research-based pharmaceutical companies use 2-Iodo-1,3-Dimethylbenzene as a halogenated building block for complex molecule assembly. It participates in the iodination step for the preparation of aryl-substituted bioactive compounds, such as certain COX-2 inhibitors and advanced-stage nonsteroidal anti-inflammatory drugs (NSAIDs). The compound’s purity directly impacts the safety profile and performance of the resulting active pharmaceutical ingredient (API). In API synthesis, custom process chemistry often tailors the halogen incorporation to reduce impurities and optimize yield. Industry compliance standards
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2. Agrochemical Synthesis for Herbicide Active MaterialsLeading agrochemical formulators procure 2-Iodo-1,3-Dimethylbenzene as a vital precursor during the synthesis of specialty herbicide molecules. Its molecular structure enables efficient halogen exchange and aromatic functionalization, crucial for selectivity against broadleaved weeds. Controlled introduction occurs during late-stage active ingredient buildup to maintain specificity and minimize byproducts. The material’s reactivity and purity ensure compliance with agrochemical impurity standards for safe use in food-producing crops. Industry compliance standards
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3. Advanced Material Synthesis for Electronic ChemicalsLeading electronics manufacturers implement 2-Iodo-1,3-Dimethylbenzene in the creation of performance aromatic compounds used for OLED (organic light-emitting diode) precursors and specialty liquid crystal materials. The compound’s tight specification supports stringent requirements for trace metal and ionic purity, which directly influence electrical and optical properties in downstream applications. Its halogenated aromatics facilitate precise substitution, assisting in the development of thin-film organic semiconductors and advanced display materials. Industry compliance standards
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4. Custom Synthesis of Fragrance IntermediatesFragrance compound manufacturers apply 2-Iodo-1,3-Dimethylbenzene to generate rare methylated aromatic structures for high-value perfumery ingredients. The distinctive dimethyl and iodo functionalization enables tailored electrophilic aromatic substitution, producing notes for fine fragrance, soap, and detergent blends. Strict tracking is maintained for trace contaminants to meet global fragrance standards, and batch-to-batch lot consistency is emphasized to support final olfactory profiles demanded by premium brands. Industry compliance standards
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We have spent years refining the process for making 2-Iodo-1,3-dimethylbenzene, often called m-Xylidine, iodo derivative. Real efforts go into every batch, well beyond just following a formula. The heart of the operation is our reactor, loaded with properly vetted xylene and pharmaceutical-grade iodine. Rich experience has taught us the difference between a technical-grade output and one that meets rigorous purity requirements for advanced synthesis. Years working in chemical manufacturing made it clear: every production run demands care, clean equipment, and a team who understands the stakes. When we produce this compound, quality doesn’t come from chance — it’s the ongoing result of hands-on attention, stepwise purification, and a willingness to keep tweaking the method if a pattern of impurities shows up.
This compound’s formula, C8H9I, promises a specific reactivity set, and the crystalline product ranges in appearance from pale yellow to off-white. We use only gas chromatography and mass spectrometry for every final batch, since we have learned that visual checks are never enough. Our typical purity runs at or above 98%, as verified by our own in-house labs. Water content, metal traces, and halogen impurities all receive routine scrutiny. We scrutinize each metric since off-spec batches have real costs — not just lost customers, but disrupted syntheses and wasted resources. In our line of work, there’s little room for corrective measures downstream; the smallest slip during iodination or distillation can snowball into months of work lost. Years of feedback from customers — especially those working in fine chemicals and pharmaceutical intermediates — confirm that strict adherence to these benchmarks makes life much easier in downstream chemistry.
Chemists look to 2-Iodo-1,3-dimethylbenzene when they want both a strong leaving group and steric protection from the methyl groups. Over time, we have watched this product carve out unique uses, especially in the formation of biaryl structures by Suzuki or Ullmann reactions. Iodine’s size and electron-withdrawing effects let chemists build connections cleanly, meaning less stray byproduct and trouble in separation. This compound often appears in the early stages of active pharmaceutical ingredient synthesis, where the outcome depends on high reliability and predictable byproduct profiles. Our customers keep asking for it to support the synthesis of dyes, ligands, and modified aromatic systems where reactivity and substitution patterns matter. Every lot leaves our site accompanied by notes — based both on test results and on years of seeing how small changes in storage or handling shift a product’s reactivity profile. These insights only come from standing at the frontline of manufacturing, where feedback loops are fast and the stakes don’t allow shortcuts.
Every year, we revisit our production protocol based on results from the last campaign. Two decades of doing this shows the limits of theory and the importance of direct experience. For example, controlling the temperature during halogen exchange makes or breaks the purity numbers. Over-chilling invites crystallization of byproducts, while letting it run too warm creates color and off-odors that are nearly impossible to remove. Controlling iodine’s addition rate helps avoid localized overheating, which causes byproducts that filter out only with great difficulty and waste. Each time we tune the process, we chase a lower impurity threshold not just for show, but because small gains in consistency remove real bottlenecks in our customers’ processes.
Handling of this compound also brings ongoing training opportunities for staff. Our team learned early to trust their senses — a faint purple tinge under the lamp spells excess iodine, signaling another round of careful filtration. Ventilation systems and closed transfers aren’t just regulatory items — they are direct results from years spent improving air quality and safety on the floor. Such progress has cut downtime from equipment fouling, reduced occupational exposure, and made our line technicians more skilled in working with challenging halogenated intermediates.
Some buyers switching from brominated analogs have confessed their surprise at the difference in reliability between batches. This compound’s iodine atom makes it far more active than bromides or chlorides, so those who run couplings or substitutions see better yields and cleaner separations. Our consistent purification keeps the background noise — secondary iodinated products, under-iodinated material, and metals — at bay. The experience gap between iodides and the earlier halides shows up most clearly for teams pushing the final stages of drug candidates or making tailored aromatic scaffolds. Missteps with supply at this point can cost months for a team with tight development cycles, which is why we emphasize reliability — even for volumes measured in just a few kilos at a time. The difference does not just live in the theoretical bond energies, but also in the on-the-ground experience from chemists who report faster product isolation and fewer headaches downstream.
Years ago, we made batches of 2-bromo-1,3-dimethylbenzene for several clients. It handles much like the iodinated form up until the moment of coupling, when yields take a hit, and trace impurities become a persistent issue. Chlorinated versions present other headaches: more volatility, harsher health profiles, and higher disposal costs for waste streams. Working directly with these families of compounds highlights the practical effect of the iodine's heavier atomic mass and higher reactivity, making the iodinated form the clear winner when downstream coupling efficiency is a goal. Methyl group positioning also sets the 1,3-dimethyl variant apart from alternatives; some clients attempted to substitute with the 1,2- or 1,4-dimethyl versions, only to find reactivity or selectivity veering in the wrong direction once scale-up began. The lessons come quickly in a working plant, and we have learned that the details count.
Markets have shown us that in certain reactions — for instance, building up targets for kinase inhibitors or specialty ligands — 2-iodo-1,3-dimethylbenzene achieves results unmatched by other coupling partners. We see this play out as repeat orders, as research groups and production teams return with requests referencing the strict match in isomer and substitution pattern. This preference comes from direct results, not catalog copy or brochure promises. For dyes and flavor compounds, subtle differences in isomerism push product color, odor, or stability in unexpected directions. A decade of producing these compounds and supporting customers through technical discussions teaches a simple lesson: details in substitution patterns, purity, and reactivity dwarf broad generalizations made from literature.
This compound, like most haloaromatics, brings its own set of hazards. Direct exposure to dust or fumes isn’t just a regulatory concern. Early in our program, we managed a small run poorly and learned quickly about the risks to equipment seals and operator comfort. Since then, we rely on sealed transfer lines, rigorous PPE, and well-practiced cleanup protocols. Waste management grows more complex each year, so most of the waste stream — especially containing iodine — gets collected and processed for recovery or safe disposal, not simply washed to the drain.
Solubility is close to that of similarly methylated benzenes but increases in high-boiling, non-polar solvents. This characteristic shapes how we set up purification and separation steps. Trace metals can cause trouble, so every incoming raw material batch receives screening not just for the main substance but for iron, copper, and lead, which sabotage downstream cross-couplings. We install trace metal monitors in process lines and have even replaced several pumps with stainless-steel-free alternatives after learning about tiny amounts of leaching that subtly harmed product quality.
Packing and storage practices draw on hard-earned lessons from chemical stability studies. The product ships in inert containers that keep light, air, and moisture away, so there’s less degradation and no unexpected shifts in color or smell weeks later. Small mistakes at the packing line — such as sealing off gaskets or using incompatible liners — once led to odd discoloration and extra purification cycles later. These experiments in real-world conditions shaped our packaging and inventory norms far more than any textbook ever could.
Our engineers and tech team make regular trips to customer sites, exchanging notes not only on production but on application. Clients working on scale-ups teach us almost as much as we can teach them; sometimes, their trials uncover heat transfer quirks or purification shortcuts missed in our plant. PhD chemists, production supervisors, and even lab techs working hands-on all factor into our process improvement cycle. The most rewarding part of this job is watching a customer’s process get leaner, yields increase, and waste drop — changes that flow naturally from compound-to-compound reliability and mutual understanding of pitfalls.
In one joint project, a pharmaceutical partner documented a difference in stereochemical outcome when using different grades of raw material. We broadened our batch screening as a result, and a new round of chromatography calibration followed. These ongoing exchanges push both our technical know-how and customer satisfaction forward, closing the loop in a way that catalog suppliers will never see. The value develops when hands-on production meets end-user creativity — not in isolation, but through honest sharing of both setbacks and wins. Over time, these relationships create the real backbone of consistent chemical supply, and often lead to refinements in the compound we produce and the way our customers deploy it.
As intellectual property protections tighten and regulatory demands on production grow, our routines around 2-iodo-1,3-dimethylbenzene keep evolving. Markets pull in two directions at once: one calls for more cost-effective supply, another pushes for ever-higher purity and better analytical documentation. We monitor for new application spaces — agrochemicals, electronics, niche pigments — and listen closely to researchers who find new uses for this specific substitution pattern. Scaling up responsibly means investing in new containment, analytical, and waste management systems with every campaign.
From our point of view, the job is never finished. Each run into production brings the chance for improvement: in yield, safety profile, documentation, and even the energy efficiency of our process. We keep a close watch on regulatory guidance for both onsite storage and transportation, adjusting our batch size and logistics as global rules change. Through continuous feedback from our front-line operators, the R&D group, and our customers, we shape each batch into a tighter fit for evolving demands. The luxury of being a manufacturer, not just a distributor, is the real-time view we get on what works and where problems land in the pipeline. This ongoing engagement lets us adapt before small issues become large-scale setbacks.
Our commitment to making 2-iodo-1,3-dimethylbenzene didn’t grow from a marketing plan, but from hard-earned experience. Our loyalty is not just to written standards, but to the workflow that supports dozens of research and industrial teams worldwide. By focusing attention on every step — raw material reception, in-process control, finished product review — we bring compound after compound that helps others build complex molecules with confidence. Years spent troubleshooting side reactions, batch losses, and tricky storage logistics yielded one key insight: nothing replaces firsthand knowledge in chemical manufacturing.
Raw numbers like purity and yield matter, but reliability plays an even larger role. Customers remember rapid answers when a delivery runs late, detailed feedback when a batch behaves strangely, and proactive planning ahead of bulk campaigns. We stand ready to keep innovating, taking every order and every process challenge as a new opportunity to raise the bar for this compound, our process, and the results our partners achieve in their labs and plants. The everyday work flows from long nights, quick decisions, and the lessons taught by every batch — both good and bad — along the way.