Anhui Liwei Chemical Co., Limited
Products

P-Iodo Phenol


    • Product Name P-Iodo Phenol
    • Alias 4-Iodophenol
    • Einecs 220-975-3
    • Mininmum Order 1 g
    • Factory Site Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry sales2@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    403391

    Chemical Name P-Iodo Phenol
    Cas Number 624-95-3
    Molecular Formula C6H5IO
    Molecular Weight 220.01 g/mol
    Appearance White to off-white solid
    Melting Point 87-90°C
    Solubility In Water Slightly soluble
    Density 2.19 g/cm³
    Synonyms 4-Iodophenol
    Pubchem Cid 12254
    Inchi Key WBSHHUPNMXSULE-UHFFFAOYSA-N

    As an accredited P-Iodo Phenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging for P-Iodo Phenol, 25g, is a tightly sealed amber glass bottle with hazard labeling and secure screw cap.
    Shipping P-Iodo Phenol should be shipped in tightly sealed containers, protected from light and moisture. It must be packed according to local and international regulations for hazardous chemicals, labeled with appropriate hazard warnings. Transport in compliance with UN shipping standards, keeping away from incompatible substances, and ensuring temperature control to prevent decomposition.
    Storage P-Iodo Phenol 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 it at room temperature and protect from moisture. Proper chemical labeling and secure storage to avoid accidental exposure are essential. Use appropriate personal protective equipment when handling or transferring the chemical.
    Free Quote

    Competitive P-Iodo Phenol prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@liwei-chem.com

    Get Free Quote of Anhui Liwei Chemical Co., Limited

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    P-Iodo Phenol: Stepping Up Quality in Fine Chemicals

    What P-Iodo Phenol Brings to the Table

    Producing P-Iodo Phenol has never been just a matter of filling orders. Every batch marks the result of careful approach and years laboring over clean reactions and fine-tuned purifications. So there’s satisfaction in seeing customers use this compound to build up more intricate molecules or unlock new reaction pathways. The industrial world expects high purity and consistent yields from us, but we know that’s only a starting point. Our P-Iodo Phenol makes a regular appearance in syntheses for active pharmaceutical ingredients and advanced material projects. Its structural trait—an iodine atom bound to the para position of a phenolic ring—makes the compound reliable for halogen exchange reactions, cross-couplings, and next-step modifications.

    Our material comes off the reactor as crystalline powder, typically showing purity above 99%. Over the years we’ve refined the manufacturing cycle to minimize side products and color, giving investigators and processors a strong starting point for downstream synthesis. Consistent particle size, minimal moisture content, and proper stabilizing conditions keep batch-to-batch performance on target. We chose this route because skipping even one checkpoint can plague customers with variable results, low yields, or extra purification steps. We've heard those stories from buyers before they switched to us.

    Specification Choices Reflect Real-World Needs

    Most users want to know what makes our P-Iodo Phenol stand out from similar halogenated phenols or even other lots of the same compound. There’s a straightforward answer: reliability through tighter process control and full transparency. Some manufacturers settle at the minimum industry standard, but over time we've seen what happens when phenolic impurities, over-iodinated compounds, or problems with moisture slip past quality checks. That risk is never acceptable, so we run extra rounds of spectral analysis and chromatography to catch stray peaks and guarantee clean product. The result: customers report shorter workups and fewer out-of-spec reactions compared to material sourced elsewhere.

    A closer look under the microscope reveals less obvious features, too. Crystal habit and powder flow matter a lot for automated dosing and blending. Coarse, sticky material slows down tableting or granulation, and uneven grains complicate weighing. So we made particle size control standard practice. Bulk density keeps shelf life steady, with careful storage to keep the compound dry and free-flowing for months. That’s not just a benefit for the lab—a warehouse manager appreciates fewer clumps or spills, and formulators appreciate less dust in the air.

    We never cut corners in removing trace iodine, which is corrosive and causes unknown shifts downstream in complex syntheses. That’s one aspect where our experience as manufacturers—rather than as repackagers—shines through. Decades in the chemical industry teach you that trace residues show up at the worst possible moment, and it's always easier to prevent than remediate. We run cleanup cycles until our liquid chromatography equipment reports no significant carryover, so each lot behaves as expected.

    Real Uses and Practical Payoffs

    Some customers need P-Iodo Phenol as an intermediate along a multi-step pharmaceutical path; others target advanced ligands or electronic materials. Its reactivity profile stems from both the activating effect of the phenol group and the versatility provided by the iodine atom, which acts as a crucial leaving group for cross-coupling and further halogen exchanges. Chemists who switch from meta- or ortho-iodo phenols often remark that the para orientation of the iodine on our compound improves yield in carbon-carbon or carbon-nitrogen couplings, reducing steric hindrance and broadening the range of accessible targets. This is one way that seemingly small differences—just a repositioned atom—create major practical effects for those working at the bench.

    We've supplied this compound for long enough to witness its evolution from a specialty reagent to an essential tool for numerous development teams. It’s more than just a halogenation agent. Among academic groups, the compound’s unique substitution pattern favors Suzuki and Sonogashira couplings when building up more complex aromatic systems, so it finds regular use in pilot studies and production campaigns alike. The para isomer often allows for selective transformations on unprotected phenols, opening possibilities for direct arylation or even introducing bulky functional groups at other positions without crowding.

    Some of our larger partners deploy P-Iodo Phenol at scale in agrochemical explorations, where halogen exchange enables next-generation fungicide or pesticide screening. High throughput sectors especially notice when a raw material causes filter clogging, grows brittle, or resists miscibility in organic solvents. We've responded to end-user reports by optimizing filtration and drying steps at our own site; real-world feedback shapes our day-to-day operations.

    Differences from Other Halogenated Phenols

    The chemical world rarely gives “one-size-fits-all” answers. Other halogenated phenols—chlorinated or brominated analogs, meta- and ortho-substitutions—function differently, both in terms of reactivity and safety. Iodine itself carries higher atomic mass and increased polarizability, so P-Iodo Phenol offers a different set of reactivity compared to the lighter counterparts. For researchers, that means more efficient oxidative addition and cross-coupling, often under milder reaction conditions. We’ve seen users reduce catalyst loading or reaction times, which translates directly into lower process costs and simpler purification.

    Focusing on isomeric position, para-iodo is notably less hindered than ortho, which is a major practical bonus in palladium-catalyzed transformations where proximity to the phenol oxygen would disrupt smooth coupling. Users who once struggled with poor regioselectivity or recovery suddenly report better yields and clearer products. With meta-substitution, the directing effects can diverge, and certain cross-couplings turn sluggish. Our long-term industrial users can tell you: switching to para-iodo has solved a surprising number of those headaches.

    How We Keep Things Reliable and Transparent

    Working as a manufacturer brings both responsibility and pride. Growth in the chemical world only happens if customers trust your material and can get questions answered without the runaround. We welcome long-term partnerships as well as challenging, technical conversations. Years spent troubleshooting on the shop floor or in plant QC labs have taught us the value of candor—if a batch falls short, we scrap it rather than pass the risk downstream. That’s become a core value in our company ethic.

    Suppliers at arm’s length can sometimes fall prey to “relabel and resell” behavior, losing insight into where their material originated or how it’s handled along the way. We build and ship from our own facility, so every shipment comes from a process audited by teams who see the whole chain of custody—from raw iodine to packed drums ready for delivery. If a customer calls for COA rechecks or requests analytical data beyond the norm, we oblige. No two users run exactly the same process, but clear dialogue avoids future problems.

    Traceability comes from routine sample archiving and strict batch coding, not because it’s an industry buzzword but because we’ve seen regulations get stricter every year. With every order, we keep a retained sample for years, matching analytical fingerprints and preserving a record in case a finished drug or advanced material ever draws regulatory attention. It’s this groundwork that separates a producer from a rebagger.

    Continual Refinement: Listening, Learning, Adapting

    Every line operator or process engineer knows the temptation to rest on routine—run the same program, meet minimum threshold, ship and move on. But we've outgrown that habit. Feedback travels quickly here, from logistics teams who spot awkward packages, to end users who describe difficult dissolutions or residue issues. Years back, we saw a spike in dusty, “fluffy” product lots that resisted accurate dosing; working in tandem with users who described tablet presses “gumming up,” we introduced sieving, more consistent particle sizing, and better packaging. Uncomplicated solutions, but they came from listening, not presuming.

    Some customers in pharmaceutical R&D requested ultra-dry product for air- and moisture-sensitive reactions. Rather than overlay a desiccator or toss in silica gel, we invested in in-line vacuum drying and specialized, moisture-barrier packaging. That step might sound small, but labs that operate on tight timelines and high reagent costs measure differences like this in both lost time and failed runs. Every logistical complaint on our end stays visible for analysis, so future batches respond to real needs.

    Workshops with downstream chemists—sometimes miles from the bench—help us see beyond the reaction vessel. One example: a customer scaling up from research glassware to 400-liter reactors reported surprising exothermic behavior not seen at smaller scale. We expanded our product’s material safety and handling details using their observations, letting other customers avoid similar issues. That process only comes through open feedback and steady partnership, and it’s driven repeat business as much as any head office promise.

    Supporting Emerging Applications

    Markets drive evolution as much as science does. In the last decade, growth in specialty polymers and organic electronics has brought P-Iodo Phenol into new industries. The para-iodo group serves as a crucial stepping stone for assembling conjugated systems, especially those required for light absorption or emission in OLED and OPV technologies. Academic and industrial collaborators alike report using our lots for key side-chain modifications or as precursors to photovoltaic materials. Each new field we encounter brings demanding new standards, from trace metal screening to particle size declaration.

    Sourcing from a direct manufacturer means customer requests land on the same desks that oversee daily output. If an application involves secondary functionalization, such as transforming the phenolic group into a wide range of ethers or esters, we open technical discussions about which purification methods will minimize risk of contamination from leftover reactants. Those finer points separate productive runs from failures.

    Environmental performance now plays a central role. Regulations about halogenated compounds grow stricter, and downstream users increasingly ask about residual organoiodine byproducts or heavy metal salts from catalysts. In response, we validate our waste treatment and minimize use of problematic reagents, making sure what goes out the door doesn’t create trouble for our neighbors. Long-term sustainability comes from willing involvement, not mere compliance.

    We Stand By What We Produce

    Many of our colleagues in the industry have started as resellers, moving from one catalog to the next. Direct manufacturing is a different challenge, bringing headaches around inventory swings, raw material volatility, and process upsets. We welcome those difficulties; they let us shape how P-Iodo Phenol enters the wider world, in ways that align with scientific rigor and environmental safety.

    Our users run the spectrum—from single-flask scale-ups to thousands of kilos in pipeline campaigns. Each transaction is an opportunity to refine quality, expand supporting data, or rethink what downstream users genuinely need. This approach creates strong, trusting relationships, and we see our reputation built up batch by batch, reaction by reaction. Our job doesn't end at the loading dock; it hangs on every follow-up and every label bearing our name—and, most importantly, by the results that chemists see in their own hands.

    It's not just about meeting targets or keeping purity above a certain spec line. Each batch is a reflection of years of technical choices, persistence against production headaches, and determination to offer users something they can truly count on. For newer customers, we welcome technical questions—whether they're tackling an unfamiliar transformation or troubleshooting process hiccups. For returning colleagues, we view every shipment as a new test of our craft.

    The Road Ahead

    The demand for P-Iodo Phenol continues to shift as more industries embrace complex syntheses and advanced circuitry. We’re keeping pace by reviewing internal benchmarks, seeking new ideas from customer conversations, and investing in analytical improvements. In the coming years, we hope to shorten delivery cycles, improve vertical integration of raw materials, and offer even cleaner product for the most exacting applications.

    The chemical industry rewards consistent effort and careful listening, not just ambition. Each request for P-Iodo Phenol motivates us to uphold high standards and meet the needs of scientists and engineers creating new products and solving challenges that matter. Our continued success comes from the trust placed in us by these teams, and we work every day to keep earning that trust—batch after batch, reaction after reaction.