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2-Iodo-1,3-Dimethylbenzene

    • Product Name 2-Iodo-1,3-Dimethylbenzene
    • Alias 2-Iodo-m-xylene
    • Einecs 607-034-8
    • 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

    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 & Storage
    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.
    Application of 2-Iodo-1,3-Dimethylbenzene

    Applications of 2-Iodo-1,3-Dimethylbenzene in Industrial Manufacturing

    2-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 Agents

    Contract 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

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (current edition)
    • USP General Chapter <721> Elemental Impurities
    • EMA and US FDA process validation guidance

    Typical usage ratio

    • 0.15 to 0.5 molar equivalents, depending on structure requirements; stoichiometry adjusted for coupling yield

    Downstream process integration

    • Intake at aryl iodide coupling step in the synthetic sequence
    • Employs Suzuki or Buchwald-Hartwig cross-coupling protocols in GMP reactors
    • Facilitates introduction of the dimethylphenyl moiety prior to deprotection and crystallization

    Final product types

    • Bulk APIs for COX-2 inhibitor series
    • Advanced chemical intermediates for proprietary anti-inflammatory agents
    • Regulated commercial medicinal compounds

    2. Agrochemical Synthesis for Herbicide Active Materials

    Leading 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

    • FAO/WHO Specifications and Evaluations for Agricultural Pesticides
    • ISO 9001:2015 for agrochemical manufacturing
    • REACH Annex IX/X for environmental safety and hazard testing
    • US EPA Pesticide Registration Manual, Section 10

    Typical usage ratio

    • Typically 0.25 to 0.7 mole per mole of final herbicide active, formula adaptation per specific crop selectivity

    Downstream process integration

    • Used in aromatic halogenation and coupling synthesis of active compound cores
    • Fed into semi-continuous batch reactors during targeted synthesis stage
    • Followed by purification, crystallization, and micronization of actives

    Final product types

    • Triazine- and phenyl-based pre-emergent herbicide actives
    • Formulated weed control granules and suspensions
    • Crop-specific chemical weed management solutions

    3. Advanced Material Synthesis for Electronic Chemicals

    Leading 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

    • SEMI C3: Chemical Analysis for Electronic Chemicals
    • IEC 62474: Restriction on Hazardous Substances (RoHS)
    • JEITA ETR-8002A: Purity standards for organic electronic materials
    • ISO 14001: Environmental management during production

    Typical usage ratio

    • Generally 0.08 to 0.3 molar basis, dependent on final polymer chain length and electronic structure

    Downstream process integration

    • Charged in the aryl halide coupling stage of conjugated monomer synthesis
    • Integrated during the construction of π-conjugated frameworks in OLED/LC molecule manufacturing
    • Material flow into cleanroom reactor environments with in-line impurity tracking

    Final product types

    • OLED emitter and transport layer intermediates
    • Specialty liquid crystal monomers and pre-polymers
    • High-purity organic semiconducting materials

    4. Custom Synthesis of Fragrance Intermediates

    Fragrance 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

    • IFRA (International Fragrance Association) standards, current guidelines
    • EU Regulation (EC) No 1223/2009 on cosmetic products
    • ISO 9001:2015 for fragrance chemicals
    • REACH registration for fragrance raw materials

    Typical usage ratio

    • Usually 0.1 to 0.4 mole for each mole of targeted aromatic intermediate; adjusted according to substitution pattern and yield

    Downstream process integration

    • Participates at the aromatic iodination or methylation stage
    • Processed through batch or semi-batch aromatic substitution units
    • Subjected to multi-step distillation for aroma purity control

    Final product types

    • High-value synthetic musk intermediates
    • Methylated aromatic compounds for fine fragrances
    • Soap, detergent, and personal care scent addition bases
    Free Quote

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    Certification & Compliance
    More Introduction

    Fresh Perspective On 2-Iodo-1,3-Dimethylbenzene

    Meeting Industry Needs with Consistent Production

    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.

    Specifications That Support Performance

    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.

    How This Compound Gets Put To Work

    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.

    Lessons Learned From Constant Process Improvement

    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.

    Why Choice Of 2-Iodo-1,3-Dimethylbenzene Matters

    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.

    Comparing With Other Compounds

    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.

    Risks, Solutions, And Operational Realities

    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.

    Feedback And Collaboration With End Users

    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.

    New Challenges And The Road Ahead

    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.

    The Real Value Comes From Reliability And Direct Expertise

    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.