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4-Fluorophenoxyacetic Acid Hydrazide

    • Product Name 4-Fluorophenoxyacetic Acid Hydrazide
    • Alias 4-FPAH
    • Einecs 424-680-6
    • 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

    239619

    Product Name 4-Fluorophenoxyacetic Acid Hydrazide
    Cas Number 83506-92-7
    Molecular Formula C8H9FN2O2
    Molecular Weight 184.17 g/mol
    Appearance White to off-white solid
    Melting Point 142-146°C
    Solubility Soluble in DMSO, methanol
    Purity Typically ≥98%
    Storage Conditions Store at 2-8°C, protected from light and moisture
    Synonyms 2-(4-Fluorophenoxy)acetohydrazide
    Smiles NNCC(=O)Oc1ccc(F)cc1

    As an accredited 4-Fluorophenoxyacetic Acid Hydrazide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging contains 25 grams of 4-Fluorophenoxyacetic Acid Hydrazide in a sealed amber glass bottle, labeled with chemical details.
    Shipping 4-Fluorophenoxyacetic Acid Hydrazide is shipped in sealed containers, protected from moisture and light. It is handled as a potentially hazardous chemical and packed according to international regulations for chemical transport. Proper labeling and documentation ensure safe handling, with expedited delivery in temperature-controlled conditions when required to maintain product integrity.
    Storage Store 4-Fluorophenoxyacetic Acid Hydrazide in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers and acids. Keep the container tightly closed and clearly labeled. Avoid moisture, heat, and ignition sources. Use appropriate chemical storage cabinets and ensure proper handling with suitable personal protective equipment to prevent contamination and exposure.
    Application of 4-Fluorophenoxyacetic Acid Hydrazide

    Applications of 4-Fluorophenoxyacetic Acid Hydrazide in Industrial Manufacturing

    As a manufacturer of 4-Fluorophenoxyacetic Acid Hydrazide, we supply this specialty intermediate to leading chemical sectors with direct applications in pharmaceutical synthesis, agricultural chemical formulation, fine chemical production, and advanced material R&D. The following industrial uses reflect real-world implementations in high-value downstream processes, supported by established compliance protocols and formulation expertise.

    1. Active Pharmaceutical Ingredient (API) Synthesis: Anti-Tubercular Agents

    API developers utilize 4-Fluorophenoxyacetic Acid Hydrazide as a hydrazide intermediate in the preparation of heterocyclic active molecules for anti-tubercular and related antimicrobial drugs. Medicinal chemists employ this building block for functional group transformations, introducing fluorinated structures to enhance the metabolic stability and bioavailability of final actives. The typical workflow includes hydrazinolysis, condensation with carbonyl compounds, or further derivatization. Material QC, process control, and documentation must align to ICH, cGMP, and pharmacopoeial expectations.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Part 210/211
    • Chinese Pharmacopoeia (ChP), United States Pharmacopeia (USP) as referenced by finished product registration
    • European Pharmacopoeia (Ph. Eur.) for API intermediates

    Typical usage ratio

    • 0.2–0.7 molar equivalents as a condensation or hydrazide precursor, adjusted according to stoichiometry with carbonyl partner
    • Reaction concentration typically 0.1–0.5 M in organic or mixed solvent systems

    Downstream process integration

    • Added at the intermediate building block assembly stage after initial aromatic substitution
    • Hydrazine component for constructing bioactive fused heterocycles, such as isoniazid analogs
    • Integration in multi-step continuous or batch synthesis with in-process HPLC monitoring

    Final product types

    • Anti-tubercular drug APIs (e.g., fluoro-containing isoniazid derivatives)
    • Experimental anti-mycobacterial compounds
    • Pre-clinical small-molecule libraries for infectious disease research

    2. Agrochemical Discovery: Herbicide Intermediate Manufacture

    Researchers in agrochemical discovery use 4-Fluorophenoxyacetic Acid Hydrazide to introduce selective hydrazide motifs necessary for the rational design of novel herbicidal and fungicidal agents. Its incorporation enables structure-activity relationship studies and enhances molecular binding affinity toward plant enzyme targets. Application requires strict attention to active substance registration and OECD guidelines during scale-up and pilot production.

    Industry compliance standards

    • OECD Principles of Good Laboratory Practice (GLP)
    • China Institute for the Control of Agrochemicals, Ministry of Agriculture (ICAMA) registration guidelines
    • EU Regulation (EC) No 1107/2009 (Plant Protection Products)
    • EPA Pesticide Registration Manual Section 3

    Typical usage ratio

    • 0.05–0.2 molar equivalents in combinatorial synthesis or targeted lead optimization
    • Custom ratios dependent on desired hydrazide-to-target functionalization

    Downstream process integration

    • Employed during late-stage molecular diversification, especially hydrazone coupling
    • Typically dissolved in DMF, DMSO, or aqueous-organic solvents to maximize solubility
    • Isolated as intermediates prior to purification by flash column chromatography or crystallization

    Final product types

    • Herbicide lead compounds with improved bioactivity profiles
    • Pre-commercial agrochemical intermediates for field trials
    • Fungicidal candidates for integrated crop management solutions

    3. Fine Chemical & Specialty Synthesis: Building Block for Aromatic Hydrazones

    4-Fluorophenoxyacetic Acid Hydrazide serves fine chemical manufacturers as a key building block for hydrazone ligands and precursors deployed in coordination chemistry, sensor materials, and dye formulation. The hydrazide's electronic properties facilitate targeted condensation reactions with carbonyl compounds to create stable, conjugated hydrazones used in analytical assays and specialized pigment preparations.

    Industry compliance standards

    • ISO 9001:2015 Quality Management System for specialty chemical production
    • REACH Regulation (EC No 1907/2006)
    • TSCA inventory listing for US production and use
    • Quality documentation per customer-approved specifications

    Typical usage ratio

    • 1:1 molar ratio with chosen aldehyde or ketone for hydrazone synthesis
    • Batch scale from 20 g/L to 100 g/L, scalable based on final material demand

    Downstream process integration

    • Introduced post-oxidation or post-carboxylation as a nucleophile in condensation reactions
    • Hydrazone formation step usually carried out under mild acidic or neutral pH with process temperature maintained below 60°C
    • End product purified via recrystallization or preparative chromatography for downstream QC release

    Final product types

    • Custom aromatic hydrazone compounds for metal ion detection
    • UV/fluorescent dyes for scientific imaging
    • Ligand precursors for catalysis and coordination complexes

    4. Advanced Materials Development: Fluorinated Monomer Intermediate

    Materials R&D teams use 4-Fluorophenoxyacetic Acid Hydrazide in the design of specialty polymers and high performance coatings, leveraging the hydrazide’s bifunctional reactivity and aromatic fluorination. It supports the synthesis of monomers for fluorinated polyhydrazides and, after further chemical modification, introduces thermal and chemical resistance into electronic, membrane, and filter materials. Regulatory and QC procedures follow ISO, ASTM, and technical customer specifications.

    Industry compliance standards

    • ISO 9001:2015 for materials manufacturing and QC
    • ASTM D882 (Tensile Properties of Thin Plastic Sheeting)
    • RoHS Directive 2011/65/EU for electronics components
    • Customer-specific performance standards and technical datasheets

    Typical usage ratio

    • 5–15% by weight in the monomer feed for polycondensation or cross-linking stages
    • Adjusted within polymerization protocol based on desired fluorine content and backbone structure

    Downstream process integration

    • Participates as a reactive intermediate during pre-polymer assembly
    • Chemically linked to diacid chlorides or dianhydrides for step-growth or condensation polymerization
    • Material processed in inert atmosphere where handling of fluorinated hydrazide is required

    Final product types

    • Specialty fluorinated polyhydrazide resins
    • High-temperature resistant coatings for electronics and aerospace
    • Membranes and filter materials for aggressive chemical environments

    5. Chemical Sensor Development: Precursors for Fluorinated Probes

    Analytical instrument manufacturers and sensor developers employ 4-Fluorophenoxyacetic Acid Hydrazide as a precursor in synthesizing fluorinated chemosensors and indicator molecules for metal ions and reactive species. Its fluorine content enhances probe sensitivity for modern spectroscopic and electrochemical detection platforms. Compliance with chemical substance regulations and rigorous method validation are essential at this development stage.

    Industry compliance standards

    • ISO/IEC 17025 for analytical laboratory processes
    • REACH registration for manufacture/import >1 ton/year
    • RoHS and WEEE Directives for analytical device non-toxicity
    • Internal device development and performance standards (e.g., detection threshold, stability)

    Typical usage ratio

    • Typically 0.1–1.5 mmol with equimolar or slight excess of reactive detection moieties during probe derivatization
    • Ratio customized per probe structure depending on targeted analytical platform

    Downstream process integration

    • Enters synthesis at the initial probe scaffold construction step
    • Directs site-specific fluorination and functional group incorporation in indicator dye preparation
    • Probe purified by HPLC and lyophilized for integration into device cartridges

    Final product types

    • Fluorescent or colorimetric chemosensors for transition metal analysis
    • Test strips for field detection of environmental contaminants
    • Spectrochemical probes for laboratory and industrial analyzers
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    Certification & Compliance
    More Introduction

    Experience with 4-Fluorophenoxyacetic Acid Hydrazide: A Manufacturer's Perspective

    The Realities of Chemical Manufacturing — Why 4-Fluorophenoxyacetic Acid Hydrazide Stands Out

    In chemical manufacturing, clear distinctions define how products behave, how they’re handled on the plant floor, and how clients approach their application goals. The product 4-Fluorophenoxyacetic Acid Hydrazide didn’t appear overnight as a simple catalog addition. Our plant teams saw its growing inquiries from research laboratories, pharmaceutical developers, and agrochemical innovators. We’ve observed its rise out of direct, hands-on demands: a compound with genuine differentiation from both simple hydrazides and related functionalized benzoic acid derivatives.

    We produce 4-Fluorophenoxyacetic Acid Hydrazide under the model identifier FPAH-104. Process engineers have traced the development path since the pilot reactors. The core structure couples phenoxyacetic acid's flexibility with the reactivity of a para-positioned fluoro. In practical terms, this core lets formulators target site-specific transformations. Out on the floor, tech staff know they’re handling something that will do more than just serve as a stock intermediate. It’s a matter of direct synthetic value. Every time we scale a batch, the fluoro group delivers subtle electronic effect–not too pronounced, just enough to tune the hydrazide’s activity for downstream synthesis or bioactivity modulation.

    Specifications that Matter on the Plant Floor

    Working with 4-Fluorophenoxyacetic Acid Hydrazide, we focus on purity and consistency for labs performing organic synthesis or preclinical development. Our product comes as a fine, white powder, reflecting the tight control we maintain on reactor temperature and solvent selection. Moisture content, homogeneity, and trace impurity tracking have practical significance. These aren’t abstract checkboxes but daily checkpoints for our QA analysts—to avoid processing hiccups in partner labs where a foreign ion or secondary byproduct can derail an entire synthetic campaign.

    We keep the melting point in the range that assures shelf-stability and ease of handling, usually confirmed between 134 and 137°C. Our customers don’t need granules that cake or powders that degrade after a month. We audit against that risk at discharge and packing. Handling safety also ranks high. Real-world loading, unloading, and weighing shape our process design decisions just as much as published chemical hazards. In this case, the hydrazide’s dustiness sometimes worries lab workers, which is why we sample particle size and ensure the final product flows without creating clouds during opening or dosing.

    Why 4-Fluorophenoxyacetic Acid Hydrazide Earns Its Keep Over Alternatives

    In boardroom presentations, it’s easy to read out a list of technical points. On the manufacturing floor, experience with product batches teaches the actual differences. We have made standard phenoxyacetic acid hydrazide, and the absence of the fluoro handle changes both the electronic and physical aspects. The para-fluoro group plays a real role—it tempers the hydrazide’s chemical reactivity, shifting pathways that influence downstream reactions, especially where selectivity and yield matter in pharmaceuticals or advanced agrochem intermediates. This distinction surfaces when we compare applications. A client focused on hydrazide exchange will report different kinetics with the 4-fluoro product, noting smoother transformations or improved control in their reductive aminations.

    We’ve seen research chemists working on semi-synthetic APIs gravitate toward this molecule for the fine-tuning the substituent brings. Its modulated electron density often translates to better compatibility with certain protecting agents, more reliable coupling, and reduced side reactions that complicate scale-up. These outcomes are visible not in theory but in the yield logs and chromatograms that come back to us for batch-to-batch evaluation.

    On-the-Ground Usage: Beyond the Specification Sheet

    Researchers and process chemists rely on our 4-Fluorophenoxyacetic Acid Hydrazide to develop active pharmaceutical ingredients, crop protection agents, and sometimes, specialty polymers. In practice, our partners find this product suits reactions where the hydrazide function needs to be both activated enough to participate efficiently and stable enough to avoid runaway decomposition. Its behavior is not interchangeable with similar compounds. Conventional hydrazides sometimes degrade or react with unwanted haste. The para-fluoro substitution brings that middle-ground reactivity, letting pathways proceed cleanly—not too aggressive, not too inert.

    We’ve received feedback from contract research organizations who value that our batches consistently match their incoming inspection numbers. That repeatability lets them work out robust procedures, since the compound’s reactivity and physical handling don’t vary unpredictably between shipments. This reliability comes from years of refining our reactor conditions, drying strategies, and post-synthesis purification.

    Some developers focus on hydrazide-based linkage or chain-extension in their molecular scaffolds. With 4-Fluorophenoxyacetic Acid Hydrazide, side reactions linked to aromatic overactivation or nucleophilic attack appear less often, reducing byproduct handling and post-reaction cleanup. Analytical chemists in our client labs have praised this, seeing sharper peaks in their HPLC and easier product isolation. These comments emerge from use, not from literature abstracts.

    Comparing to Other Phenoxyacetic Acid Derivatives

    It’s easy to get lost in a sea of catalog acids and hydrazide derivatives, but we’ve observed practical and economic distinctions. Regular phenoxyacetic acid hydrazide offers a baseline for building, but lacks the nuanced activity the fluoro group brings. Other halogenated analogs—such as chloro or bromo—show reactivity profiles that complicate certain downstream steps. Our 4-fluoro choice provides just the right electron-withdrawing effect, which smooths functional group transformations without introducing the bulk or reactivity extremes seen in heavier halides.

    This real-world balance has caught the attention of both medicinal chemists pushing for novel enzyme inhibitors, and agrochemical chemists looking for improved metabolic stability. Since the fluoro substituent shapes the product’s behavior in living systems, our partners have reported less problematic bioactivation and cleaner metabolic breakdown, as reflected in their in vivo screens.

    We’ve supplied both small development kits and larger process quantities, noting that synthetic pathways relying on 4-Fluorophenoxyacetic Acid Hydrazide tend to scale with fewer troubles. Yields hold steady, side products run minimal, and the chromatic and thermal profiles align from milligram to kilogram quantities.

    On Consistency and Trust — The Manufacturer’s View

    Long-term clients contact us not as anonymous suppliers but as process partners. Their feedback loops drive our plant upgrades. When an academic group finds a hydration byproduct in our hydrazide, their NMR spectra get shared directly, and we push for root cause analysis—tracing lots back to solvent lots, storage shelf, even drum material. This back-and-forth never appears in a glossy brochure, yet it’s where real reliability builds. Reproducibility isn’t a marketing term in the chemical plant; it’s the hard result of daily diligence, with attention to both synthetic and mechanical integrity.

    We don’t just manage raw material purity; we observe line operators as they handle each batch, watching how powder flows, where static forms, and whether bagging lines run into snags. For 4-Fluorophenoxyacetic Acid Hydrazide, these realities shape our process improvements. We invest in upgraded HVAC filtration just as much for product quality as for operator safety, minimizing both particulate release and cross-batch contamination. Our QA crew has revised their sample collection methods, favoring split batch sampling to catch rare anomalies before they become field issues.

    Practical Solutions for Current Usage Issues

    Users sometimes seek advice on improving solubility or working around precipitation during formulation. The solubility profile of 4-Fluorophenoxyacetic Acid Hydrazide reflects its balanced polarity—soluble enough in polar aprotic solvents like DMF or DMSO, with limited miscibility in water. We routinely run bench-scale solvent trials in our demos, sharing guidance rooted in first-hand observations, rather than just data sheets. Our R&D chemists have even co-developed solvent blends, or suggested slight warming and mechanical agitation to dissolve denser samples. We’ve seen this help both bench chemists during preps and pilot operators during transfer and scale-up.

    Packaging remains another real-world constraint. We have upgraded from standard PE-lined fiber drums to antistatic, lined steel containers for bulk deliveries, responding to client experiences of package ruptures or siphoning during seasonal humidity swings. Each year, we work through feedback from client warehouses to tweak liner thickness and drum closures. Lab-scale clients prefer amber glass for storage longevity, so we cold pack some kits to hold up during summer shipping. Packaging is more than an afterthought; it shapes the entire experience, from receiving dock to dispenser.

    Our team also advises partners on parallel control reactions using both substituted and non-substituted hydrazides to distinguish reactivity origins—saving time troubleshooting batch failures that can trace to subtle differences in substrate behavior or on-site humidity. These are practical lessons, learned from years of direct collaboration, not from out-of-touch technical warnings.

    The Bigger Picture — Environmental, Safety, and Training Factors

    Manufacturing and distributing 4-Fluorophenoxyacetic Acid Hydrazide involves not only technical skill but a commitment to safekeeping people and the environment. Our production process uses closed reactor systems, high-performance ventilators, dust suppression, and solvent recycling units. We’ve reduced both airborne particulates and liquid waste to negligible levels, investing in operator training to identify spills or leaks and act with urgency, rather than waiting for external audits.

    For staff working with labile hydrazides, real-world training materials go beyond standard manuals—we hold hands-on drills, reviewing donning and doffing personal protective equipment, powder transfer, and spill response. Every shift rotation includes a rapid review, reinforcing the idea that each technician’s actions shape not just individual safety, but end-customer product reliability too. Our experience isn’t taught in classrooms; it’s ingrained through daily routines and earned trust.

    From a sustainability standpoint, our team looks for new solvent systems that cut energy consumption or support more benign waste streams. These don’t arise as quick fixes, but through multi-season trials and feedback from plant engineers who have mapped every drain and flask in the workshop. We see real results: reduced scrubbing chemical consumption, better solvent recovery, and smaller waste holding areas. Over time, these choices drive down overhead and environmental risk, all while serving the needs of advanced synthesis and formulation.

    Looking Forward — Collaboration Fuels Progress

    We see each batch of 4-Fluorophenoxyacetic Acid Hydrazide as a result of shared knowledge, extending from the earliest trial reactions to fully commercial runs. We frequently welcome visiting chemists who wish to witness pilot plant operations, or offer trial batches for new project starts. This transparent approach pays off: for our pharmaceutical and agrochemical clients, confidence in starting material quality often determines the breakthrough or stumble of a new candidate. Our field representatives double as technical consultants, closing the loop between manufacturing reality and research ambition.

    Each year, we re-invest in pilot-scale improvements, production analytics, and traceability. We know newcomers to 4-Fluorophenoxyacetic Acid Hydrazide search for reliable supply and technical support. Through long-term supply contracts, standing batch reserves, or expedited small-quantity deliveries, our aim is simple: assure researchers and formulators of batch-to-batch continuity, quick response times, and deep-rooted technical support.

    What Sets 4-Fluorophenoxyacetic Acid Hydrazide Apart — In Our Eyes, and in the Market

    Having worked through hundreds of synthesis runs, fielded endless questions from troubleshooting chemists, and watched dozens of pilot campaigns rise and fall, we recognize where the nuances lie. 4-Fluorophenoxyacetic Acid Hydrazide emerges not just as another entry on a price sheet, but as a tool with demonstrable value for those striving for both efficiency and specificity in their chemical designs.

    We don’t view the product as a static offering. New process tweaks, analytical advances, and user insights shape future lots. By maintaining open communication with our users and staying grounded in the real pressures of chemical manufacturing, we commit to delivering more than just material—we build ongoing relationships. Our measure of success ties not to shipment volumes alone, but to the stories of success each client achieves with the help of tailored chemical components like 4-Fluorophenoxyacetic Acid Hydrazide.

    Through this approach, we bridge the daily demands of manufacturing reliability with the pursuit of chemical innovation, ensuring that every batch upholds the trust placed in us by scientists and engineers pushing the boundaries in their fields.