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3-Iodophenylacetic Acid

    • Product Name 3-Iodophenylacetic Acid
    • Alias 3-IAA
    • Einecs 626-795-7
    • 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
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    Specifications

    HS Code

    442467

    Chemical Name 3-Iodophenylacetic Acid
    Molecular Formula C8H7IO2
    Molecular Weight 262.05 g/mol
    Cas Number 625-95-6
    Appearance White to off-white crystalline powder
    Melting Point 156-160°C
    Solubility In Water Slightly soluble
    Smiles C1=CC(=CC=C1CC(=O)O)I
    Inchi InChI=1S/C8H7IO2/c9-7-3-1-2-6(4-7)5-8(10)11/h1-4H,5H2,(H,10,11)
    Density 2.11 g/cm3 (estimated)
    Storage Temperature Store at 2-8°C

    As an accredited 3-Iodophenylacetic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 25g amber glass bottle labeled "3-Iodophenylacetic Acid," features hazard symbols, lot number, expiry date, and secure screw cap.
    Shipping **3-Iodophenylacetic Acid** is shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. It is transported as a non-hazardous, solid chemical under ambient temperature. Packaging ensures safe handling and compliance with regulatory guidelines for chemical substances. Specialized labeling and documentation accompany each shipment to ensure identification and traceability.
    Storage 3-Iodophenylacetic acid should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Protect it from moisture and direct sunlight. Ideally, store this chemical at room temperature, avoiding excessive heat. Ensure proper chemical labeling and follow all safety protocols and local regulations for storage.
    Application of 3-Iodophenylacetic Acid

    Applications of 3-Iodophenylacetic Acid in Industrial Manufacturing

    As an experienced manufacturer of 3-Iodophenylacetic Acid, our focus remains on end-user production requirements across several high-value industrial sectors. The following sections outline verified downstream applications, detailing integration points, regulated compliance, practical formulation experience, and representative finished goods produced using this specialty intermediate.

    1. Pharmaceutical Intermediate for Thyroid Hormone Derivatives

    This compound plays a key role in the synthesis of advanced pharmaceutical intermediates, especially for developing organoiodine molecules related to thyroid hormone analogs and anti-thyroid drugs. Facilities depend on precise incorporation to build specialty scaffolds required for downstream active pharmaceutical ingredient (API) synthesis, which must adhere to stringent regulatory and batch consistency criteria.

    Industry compliance standards

    • Current Good Manufacturing Practice (cGMP, ICH Q7)
    • United States Pharmacopeia (USP)
    • European Pharmacopoeia (EP)
    • International Organization for Standardization (ISO 9001:2015 for QMS processes)

    Typical usage ratio

    • 0.5% – 1.2% by weight, depending on specific synthetic pathway and desired iodination efficiency. Chemists adjust according to required stoichiometry for stage-yield optimization in multi-step processes.

    Downstream process integration

    • Introduced during aromatic substitution stages for assembling iodo-aromatic frameworks; processed in reactors under nitrogen with proprietary catalysts; proceeds to condensation or coupling reactions for pharmaceutical intermediate construction.

    Final product types

    • Levothyroxine and liothyronine intermediate precursors
    • Synthetic hormone analogs
    • Anti-thyroid small molecules
    • Specialty iodine-containing APIs

    2. Building Block for Peptide and Peptidomimetic Synthesis

    Research-focused peptide synthesis facilities utilize this raw material to build specialized iodinated amino acid derivatives and peptidomimetic structures. It provides a controlled route for site-specific iodination or as a precursor in solid-phase and solution-phase peptide assembly, vital for producing modified therapeutic candidates and molecular probes.

    Industry compliance standards

    • U.S. FDA QSR 21 CFR Part 820
    • Good Laboratory Practice (GLP)
    • ISO 13485:2016 Medical Devices—Quality Management
    • REACH Registration for non-clinical R&D use

    Typical usage ratio

    • 0.2% – 0.8% by weight in standard peptide solid-phase synthesis resins; exact ratio modified based on desired iodination specificity and peptide chain length.

    Downstream process integration

    • Coupled at iodination points during chain elongation on resin; introduced before deprotection and cleavage steps; ensures precise functionalization essential for later bioactivity screening and assay development.

    Final product types

    • Iodinated peptide standards for diagnostics
    • Peptidomimetic drug screening leads
    • Bioactive peptide conjugates
    • Molecular imaging probes

    3. Precursor for Agrochemical Synthesis

    Major agrochemical manufacturers require this specialty acid in controlled settings for producing selective herbicide intermediates and fungicide actives. Its stable aryl-iodo structure allows downstream functionalization essential for delivering bioactive compounds with precise crop-protection profiles, meeting regulatory requirements across geographically diverse end markets.

    Industry compliance standards

    • FAO/WHO Good Agricultural Practice (GAP)
    • OECD Guidelines for Testing of Chemicals
    • ISO 9001-certified environmental management systems
    • National pesticide registration standards (EU: Regulation EC No 1107/2009; U.S. EPA 40 CFR)

    Typical usage ratio

    • 1.5% – 3% by weight in key synthesis steps; final ratio governed by the targeted potency and environmental exposure limitations across legislative regions.

    Downstream process integration

    • Introduced during halogenation or cross-coupling steps in preactive ingredient assembly; acts as an aryl precursor for multiple synthetic transformations leading to crop-protection actives.

    Final product types

    • Iodinated herbicide intermediates
    • Fungicide preactives
    • Aryl-iodo structured pesticide building blocks
    • Seed treatment formulation components

    4. Intermediate for Liquid Crystal Material Production

    Manufacturers engaged in high-performance liquid crystal (LC) technology for electronics utilize this compound as a controlled precursor to synthesize specialty aryl-iodo mixtures, influencing electro-optical properties of advanced display technologies. Its functional group supports subsequent cross-coupling transformations, facilitating precise tuning of LC mixture characteristics under tight process controls.

    Industry compliance standards

    • RoHS Directive (2011/65/EU) on hazardous substances
    • ISO 9001:2015-certified quality systems
    • IEC 61249-2-21 for base materials used in PCBs
    • Internal QC harmonization protocols for display supply chains

    Typical usage ratio

    • 0.8% – 1.6% by weight in precursor blend preparation; actual inclusion fine-tuned using electro-optical measurement feedback during batch optimization for specific device requirements.

    Downstream process integration

    • Serves as a raw input in arylation and cross-coupling synthesis; subsequent purification aligns with downstream blending for LC mixture formulation that feeds into display panel production lines.

    Final product types

    • Liquid crystal mixtures for LCD/LED screens
    • Anisotropic conductive films for display integration
    • Specialty optical alignment agents
    • Electro-optic tuning components
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    Certification & Compliance
    More Introduction

    3-Iodophenylacetic Acid: Advancing Chemical Synthesis with Precision Manufacturing

    Integrating 3-Iodophenylacetic Acid into Modern Chemistry

    In the last decade, 3-iodophenylacetic acid has secured a clear position within the fine chemicals landscape. Our production team recognizes both routine and advanced uses of this high-purity intermediate, which serves research labs and manufacturing facilities ranging from pharmaceuticals to agrochemicals. By focusing on process reproducibility, chemical stability, and customer feedback, we have refined every step that puts this product on the market.

    3-iodophenylacetic acid begins its story not inside a catalog, but in our custom reactors. Each gram reflects years of handling iodine chemistry and aromatic substitution, respecting the sensitivities of the process and repeating each batch with unwavering attention. The white or off-white solid arrives typically in crystalline form, with melting ranges and purity set by analysis. Every production cycle brings a new set of eyes to quality, as this compound often forms the spine of more complex building blocks downstream.

    Focusing on Manufacturing Precision

    Producing organoiodine chemicals like this one requires skill that crosses the boundaries of textbook synthesis. High-grade iodine and phenylacetic acid derivatives can be prone to degradation if procedures drift. Our technicians document every reaction run with raw data, retaining samples batch by batch, and passing product through rigorous purification. This process aims to control dust content, minimize unwanted by-products, and keep trace-metal levels within established thresholds.

    Contamination, even at low levels, can disrupt downstream synthesis. Customers have shared stories of reactivity problems when material isn’t up to par. By routinely applying microanalytical and chromatographic checks, we guard product consistency. The test results are as much for us as for our clients; they signal that every bottle carries what the label promises.

    On a standard order, purity by HPLC or GC often exceeds 98%. Particle size is neither too fine for dustiness nor too coarse for easy dissolution. Specifications do not just provide peace of mind, but real value: beginners and experts alike rely on the product’s performance in cross-coupling and aryl ether formation. Repeat orders, not advertising, form the backbone of our feedback.

    Why Chemists Choose This Intermediate

    In labs, 3-iodophenylacetic acid gives chemists access to the iodinated aromatic ring—a reactive site for Suzuki, Sonogashira, and Heck couplings. Its acetic acid tail adds new versatility, opening the door for peptide conjugation or custom ester formation. A skilled bench chemist can exploit the acid’s functional group for further elaboration or use the iodine for rapid palladium-catalyzed reactions. We appreciate that time and cost pressures in manufacturing mean every gram counts; consistent material simplifies every step from early development to commercial scale.

    With a melting point near 166-170°C and solid physical stability under ambient storage, this product keeps well if sealed against humidity. End users who have come to us after working with unstable, low-grade lots from unknown sources report a difference: predictable melting, dissolution, and downstream reactivity directly connect to the handling conditions in our warehouse and packaging lines.

    Some clients run pilot programs or kilo-lab work before launching full scale. Here, the reproducibility of reactions using our material helps teams plan more confidently. Waste streams and recrystallizations decrease when input quality rises, leading to lower environmental impact for the same yield. By keeping analytical backup data available, we help clients trace any rare issue straight back to the source without administrative runaround.

    The Edge Over Other Building Blocks

    How does 3-iodophenylacetic acid set itself apart from fluoro, bromo, or unsubstituted phenylacetic acid derivatives? The iodine atom is more than a placeholder; it’s the gate to a broader field. Its size and reactivity simplify metal-catalyzed bond formation. In fact, reaction conditions can often be milder than with bromo- or chloro-analogues. Some chemists find yield and purity improvements when sticking with the iodo compound for key steps, even if raw material costs sit higher.

    Another edge appears in analytical monitoring—iodine gives stronger signatures by mass spectrometry, which helps teams track transformations and detect trace impurities in complex matrices. Robust mass balance and less false identification mean better confidence in process validation.

    This compound also differs from 4- or 2-iodophenylacetic isomers. Placement of the iodine at the 3-position leads to different regioselectivity, opening routes inaccessible with other isomeric intermediates. Peptide and prodrug chemists, for example, have used this distinction to unlock patentable active pharmaceutical ingredients.

    Supporting Reliable Supply for Industry and Academia

    Our daily work involves more than filling bottles. We coordinate between pilot labs, scale-up engineers, and shipping specialists to deliver material free from the regulatory or logistical delays that sometimes hobble specialized chemicals. Many global researchers depend on reliable access, so we maintain stocks in several production lots and ship according to hazard compliance.

    Packaging strategy comes from experience handling dense organoiodine solids. Paper, plastic, and glass all play a role. We’ve found glass bottles with heat-sealed liners lock out moisture and air, extending product life over long transits. Labels include batch numbers tying directly to retained samples. Every packed unit undergoes another visual check before departure, minimizing breakage and confusion.

    For scale-up requests, our team welcomes direct communication with client chemists and engineers. Having faced the frustrations of vague customer support, we keep lines open and focus on solving real-world technical challenges. Changes in regulatory status, unexpected shipping holds, or sudden demand spikes—these issues prompt action, not finger-pointing.

    End-users in North America, Europe, and Asia rely on transparent customs handling and safety documentation. Our compliance group keeps up with global transport requirements for organoiodine compounds, regularly updating protocols to avoid shipment rejection or hold-ups. Safety data travels with every shipment, giving clients data for internal use and regulatory filings.

    Feedback Fuels Innovation

    Listening to chemists working on the bench or the synthesis line shapes our ongoing improvement. A few years back, a customer struggling to filter their product asked us to investigate the cause. After sample swaps and technical calls, we found that a subtle change in our crystallization step affected particle morphology. This feedback loop led us to tweak temperature ramp rates and filtration aids—reducing byproduct entrapment and shortening customers’ process times.

    Some requests focus on custom cut-sizes or extra drying for formulations sensitive to water traces. By investing in flexible milling and drying facilities, we can supply 3-iodophenylacetic acid tailored for slurry charging, direct dissolution, or solid blending without cross-contamination. Relationships with formulation teams in pharma and agrochem sectors keep standards high, and solutions practical.

    Regular client audits add another check on our claims. Walking technical teams through workflow, sampling, and analytical steps keeps both sides on the same page and pushes each batch to higher levels of consistency. Open records and readily available QC data replace vague assurances every time.

    Guiding Responsible Use and Safe Handling

    High-value intermediates demand responsibility from both producer and user. By limiting exposure to airborne particles, providing sealed packaging, and offering clear handling procedures, we aim to protect users from unnecessary risk. Industrial partners frequently ask about storage stability—through testing, we know that controlling moisture, temperature, and light keeps this compound in optimal condition for months to years, with minimal degradation.

    Waste handling remains a point of focus. Our synthesis avoids halogenated solvent waste where possible, and we provide technical guidance to clients on optimal waste management and minimization. By working across the value chain, we hope our careful approach flows downstream to final product handlers and technicians.

    Training materials and support are developed hand-in-hand with environmental health experts. This support rests not just on documentation, but real-time answers to technical questions. Safety should progress on more than paper.

    Meeting Emerging Needs in Research and Development

    Researchers in discovery chemistry look for flexibility: 3-iodophenylacetic acid provides this by standing at the crossroads of several transformations. We see it deployed in both traditional solution-phase chemistry and more recent flow techniques. The product’s solubility in standard organic solvents means it bridges legacy and modern workup systems without elaborate modifications.

    Interest in this intermediate grows with the expansion of medicinal chemistry, where custom derivatives and patentable structures require robust, predictable starting materials. Project teams position 3-iodophenylacetic acid as a launchpad for new drug candidates, drawing on the iodine’s unique reactivity and the acetic acid’s functional handle for downstream transformation.

    Agrochemical and material science clients also turn to this compound for making specialty herbicides, pesticides, or optoelectronic additives. Their process goals vary, but the demand for batch-to-batch reproducibility crosses every sector. We listen closely, adapting our quality controls and documentation to fit unique validation, registration, or regulatory filings.

    Environmental Perspective: Focus on Sustainability

    Manufacturing organoiodine compounds presents environmental responsibilities. By maximizing reaction yields, reclaiming solvents, and cutting energy use, we build sustainability into everyday practice. Iodine recovery processes, controlled emissions, and careful water management make the difference between waste and resource efficiency.

    Our team studies new synthetic routes to lower overall input requirements, and incorporates green chemistry concepts wherever possible. Feedback from forward-thinking partners has led us to invest in safer raw materials and alternative crystallization solvents. These small shifts accumulate over time, reducing waste and energy costs for clients and producers alike.

    By supporting client audits and transparency in sourcing, we offer credible assurance—promoting long-term business over transactional gains. Clients reporting improved EHS records after switching to more reliable sources motivate ongoing investments.

    Lessons from Experience: Building Trust with Every Batch

    No short cuts exist in quality. Decades of technical work remind us: from the moment raw iodine and phenylacetic acid come in, each decision—temperature control, mixing, purification—binds product quality tightly to the people behind each step. Clients notice the difference: returns and complaints drop, but more importantly, collaborations grow deeper.

    We have learned that rigid specifications only capture part of quality. Listening to downstream users, anticipating the quirks of new synthetic pathways, and sharing troubleshooting data form the full circle. Through this, every kilogram influences not only a single reaction, but the final success of entire research programs and manufacturing campaigns.

    Looking Ahead

    3-iodophenylacetic acid holds an important niche in the expanding universe of synthetic intermediates. Projects across several industries depend on reliability—purity, performance, and honest technical advice. Our ongoing work combines chemistry know-how, listening to feedback, and adapting to evolving client needs.

    As research and market demands change, we continue to invest in training, equipment, and analytical support so every bottle of 3-iodophenylacetic acid reaches the highest standard possible. With transparent supply, continual improvement, and respect for the craft of chemistry, we look forward to supporting the next wave of innovation.