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(2-Methoxyphenyl)Hydrazine Hydrochloride

    • Product Name (2-Methoxyphenyl)Hydrazine Hydrochloride
    • Alias o-Anisidine hydrazine hydrochloride
    • Einecs 242-423-0
    • 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

    689968

    Product Name (2-Methoxyphenyl)hydrazine hydrochloride
    Cas Number 635-23-6
    Molecular Formula C7H11ClN2O
    Molecular Weight 174.63 g/mol
    Appearance Off-white to beige solid
    Melting Point 142-146 °C
    Solubility Soluble in water and polar organic solvents
    Purity Typically >98%
    Storage Conditions Store at 2-8°C, tightly sealed, protected from light
    Synonyms O-Anisylhydrazine hydrochloride
    Smiles COC1=CC=CC=C1NN.Cl
    Inchi Key AIFKTAPWPJOIHQ-UHFFFAOYSA-N
    Hazard Statements Harmful if swallowed, causes skin and eye irritation

    As an accredited (2-Methoxyphenyl)Hydrazine Hydrochloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White, tightly sealed plastic bottle containing 25 grams of (2-Methoxyphenyl)Hydrazine Hydrochloride, labeled with hazard warnings and product details.
    Shipping (2-Methoxyphenyl)Hydrazine Hydrochloride is shipped in secure, airtight containers to prevent moisture and air exposure. The chemical is packaged in compliance with hazardous material regulations, clearly labeled, and cushioned to avoid breakage. It is transported via certified carriers with proper documentation and Material Safety Data Sheet (MSDS) provided for safe handling.
    Storage (2-Methoxyphenyl)hydrazine hydrochloride should be stored in a tightly sealed container, away from light and moisture, in a cool, dry, and well-ventilated area. Keep the chemical away from incompatible substances such as oxidizers and acids. Store at room temperature or as specified by the manufacturer, ensuring containers are clearly labeled to prevent accidental misuse or hazardous exposure.
    Application of (2-Methoxyphenyl)Hydrazine Hydrochloride

    Applications of (2-Methoxyphenyl)Hydrazine Hydrochloride in Industrial Manufacturing

    (2-Methoxyphenyl)Hydrazine Hydrochloride sees substantial demand in specialized sectors of the chemical and pharmaceutical industries, especially as a selective intermediate for complex molecule synthesis. As a direct producer, our application expertise is based on extensive process development, industrial QC, and technical collaboration with downstream manufacturers, ensuring reliable integration in differentiated end uses. The following sections summarize principal downstream application scenarios where this compound has established production value, accompanied by process-specific guidance, recognized regulatory frameworks, and practical usage data drawn from actual market references.

    1. Active Pharmaceutical Ingredient (API) Synthesis for Antihypertensive Drugs

    Chemical manufacturers utilize this compound as a core hydrazine intermediate in synthesizing certain antihypertensive APIs, including phenylhydrazine-based derivatives. It enters the process at the hydrazinolysis step, where selective aromatic substitution is critical for target molecule yield. Strict regulatory control governs not only the raw material’s purity but also batch traceability from initial charging to downstream crystallization. Pharmacopeial specifications for API precursors set the reference for quality evaluation at each step.

    Industry compliance standards

    • USP, EP, and JP monograph references for relevant APIs
    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • EU GMP Vol. 4 (APIs)
    • 21 CFR Part 210/211 (US FDA cGMP for Drug Products)

    Typical usage ratio

    • Charged at 1.05-1.20 molar equivalents relative to the aromatic precursor; ratio is typically adjusted based on in-process HPLC analysis to minimize side products and maintain high target conversion in multi-kilo API runs.

    Downstream process integration

    • Added during the controlled hydrazinolysis or reduction stage in multi-step batch synthesis, following initial precursor activation but prior to separation and purification steps.

    Final product types

    • Antihypertensive active pharmaceutical ingredients (e.g., hydralazine derivatives)
    • Pharmaceutical final dosage forms including oral tablets and injectable ampoules

    2. Agrochemical Intermediate Production

    The compound functions as a selective hydrazine nucleophile in the manufacture of herbicide and fungicide intermediates, especially within pyridazine or substituted triazole synthesis routes. Tight monitoring of raw material input ratios is essential to prevent unwanted by-products that may compromise downstream pesticide technical grade purity. Downstream manufacturers often operate under international pesticide formulation registration frameworks, with strict focus on process analytical controls during intermediate coupling reactions.

    Industry compliance standards

    • FAO/WHO Technical Specifications for Pesticides
    • ISO 9001-certified QC systems
    • Globally Harmonized System (GHS) labeling for chemical intermediates
    • REACH (EC 1907/2006) registration for relevant intermediates

    Typical usage ratio

    • Used at 1.1-1.3 equivalents per mole of precursor, with process adjustment based on conversion and LC/MS purity of downstream intermediates. Plant-scale optimization may reduce ratio for cost management.

    Downstream process integration

    • Introduced during nucleophilic substitution or cyclization of aromatic ring systems in the core step of intermediate assembly, typically prior to downstream derivatization or formulation stages.

    Final product types

    • Technical-grade pesticide intermediates for herbicide synthesis (e.g., pyridazinone scaffolds)
    • Pre-formulation components for fungicide actives

    3. Dye and Pigment Intermediate Manufacturing

    Specialty pigment and azo dye producers employ this compound during the creation of arylhydrazone intermediates. The reagent provides targeted functional groups for developing both colorfastness and hue specificity in dye molecules. Downstream formulation strictly tracks trace impurity profiles and employs real-time monitoring to comply with both international and regional textile chemical safety frameworks. Batch-to-batch specification matching is common due to end-user requirements for color matching.

    Industry compliance standards

    • OEKO-TEX Standard 100 for textile dyes
    • REACH Annex XVII (Restriction of hazardous substances in dyes and pigments)
    • ZDHC (Zero Discharge of Hazardous Chemicals) chemical guide
    • ISO 9001-certified colorant QC systems

    Typical usage ratio

    • 0.8-1.15 molar equivalents, tuned in line with precursor reactivity and target yield of the hydrazone; continual in-process verification minimizes color variation and residual starting material.

    Downstream process integration

    • Metered into the coupling reaction for azo or arylhydrazone dye manufacturing, after diazotization but prior to isolation and post-treatment; adjustment is guided by spectrophotometric endpoint determination.

    Final product types

    • Azo dye intermediates with tailored chromophore absorption
    • High-performance pigments for textiles, plastics, and inkjet inks

    4. Heterocyclic Fine Chemical Synthesis

    Chemical process developers integrate (2-Methoxyphenyl)Hydrazine Hydrochloride in multi-step syntheses of nitrogen-containing heterocycles, particularly for constructing precursors to specialty APIs and agroactives. This use relies on the compound’s capacity to direct ring closure and enable structural diversification with high positional selectivity. Tight alignment with client QC systems determines input material handling, reaction time, and solvent regime to align with downstream chromatographic purity benchmarks.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • Custom client specifications for impurity thresholds
    • SDS and workplace safety documentation in line with OECD and EU EHS
    • EU REACH registration criteria for new heterocyclic intermediates

    Typical usage ratio

    • 1.0-1.2 equivalents, set according to core heterocycle yield and HPLC-assessed purity, with careful monitoring to reduce side chain alkylation by-products.

    Downstream process integration

    • Combined during key ring closure steps of heterocycle assembly—commonly after precursor activation, prior to ring aromatization and selective reduction.

    Final product types

    • Multi-substituted pyrazoles and phenylpyrazoline building blocks
    • Precursor structures for advanced pharmaceutical and agrichemical synthesis

    5. Specialty Analytical Reagent Preparation

    Producers of analytical standards and laboratory reagents apply this compound to synthesize specialty derivatization agents. These agents improve the selectivity and detection of aromatic aldehydes and ketones in high-throughput analytical workflows. User laboratories require consistent reagent grade quality, and the raw material supply must support traceability for ISO-compliant method validation. Supply chains must also address regional chemical registration and laboratory reagent safety labeling requirements.

    Industry compliance standards

    • ISO 17034 (Reference Material Producers)
    • ISO 17025 (Testing and Calibration Laboratories—reagent requirements)
    • GHS/CLP chemical labeling for analytical reagents
    • REACH registration and local legal inventory status (e.g., TSCA)

    Typical usage ratio

    • Reacted at a 1:1 stoichiometric ratio with the target aromatic substrate; excess can be applied as required for full derivatization in high-sensitivity applications.

    Downstream process integration

    • Added directly to the preparation of analytical derivatizing agents, following substrate activation and prior to purification and packaging as analytical standards or kits.

    Final product types

    • Analytical derivatizing agents for HPLC/GC analysis
    • Certified reference reagents supplied to pharmaceutical and environmental laboratories
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    Certification & Compliance
    More Introduction

    (2-Methoxyphenyl)Hydrazine Hydrochloride: Reliable Performance from the Source

    Manufacturing from the Ground Up

    Working with (2-Methoxyphenyl)hydrazine hydrochloride every day, our team at the plant gets to know its properties better than anyone reading a catalog. Our hands are on the raw materials, our eyes watch the reactions, and our commitment is measured in every batch we ship. This compound is more than a string of chemical descriptors—it’s a foundational intermediate that quietly drives synthesis work downstream, enabling specialized product lines in pharmaceuticals and research. Through hundreds of production cycles, we have honed reliable procedures that deliver consistent product. We don’t pass on third-hand stock; batches start and finish under our own roof. We follow each reaction, confirm every color change, and check each filtration. That translates into dependable supply and predictable results for you.

    Understanding the Model and Specifications from Production Experience

    Years in the field have taught us how fine differences in input quality ripple out in the final compound. Our (2-Methoxyphenyl)hydrazine hydrochloride batches emerge as crystalline, off-white powders. Typical models we supply fall within 98% minimum purity according to GC, though we routinely surpass this benchmark. Residual solvent analysis and microanalysis guide our drying stage. Moisture content runs tight, reflecting in stability and shelf-life at proper storage. Each lot leaves our site accompanied by in-house HPLC and melting point results. We recognize that some applications—especially those heading into regulated pharmaceutical synthesis or specialty dye work—demand additional documentation. We work directly with procurement teams to share complete batch data, process details, and certificate of analysis packages. Experience tells us that predictability in particle size, ease of handling, and absence of unacceptable byproducts matter more than glossy catalog numbers.

    Direct Usage and Industrial Applications: Lessons from the Factory Floor

    The biggest use for (2-Methoxyphenyl)hydrazine hydrochloride lies in the synthesis of heterocycles, pharmaceuticals, and agricultural chemicals. Chemists value its clean hydrazine function, which reacts selectively with carbonyls. Quite a few of our customers send us stories—cases where they needed amine protection-free coupling partners, or leveraged the methoxyphenyl group to tune electronic effects in their intermediates. We’ve watched this compound form a building block in anticancer projects, CNS-targeted molecules, and experimental dyes. In practice, the hydrochloride salt offers one clear benefit often overlooked in generic descriptions: it handles better than the base. The risk of oxidation drops, so bench-top stabilities improve, and workplace exposures stay lower for technicians weighing and charging the material. The consistency in reactivity comes from this very property—the salt form reduces ambiguity in stoichiometry, avoids surprises with hygroscopicity, and simplifies downstream purification.

    We often discuss these points with production chemists directly. Their feedback shapes our protocols. For scale-ups, having real-world data on solubility saves time during solvent exchanges and prevents batch failures caused by incomplete dissolution. The hydrochloride’s good water and methanol solubility works in most standard setups. At the same time, we test each lot in slightly basic conditions to ensure minimal base-driven decomposition. We don’t just run the same batch for years and hope for the best; new equipment or fresh reagents prompt re-qualification runs. Our experience shows that minor changes in the crystallization process—stir rates, cooling curves—change filterability and, sometimes, the rate of downstream coupling. This awareness allows us to dial in the right consistency, with practical performance that goes beyond numbers on a data sheet.

    How Our Material Stands Apart from Others

    We source our starting materials with documented testing—relying on local producers we have worked with for years, eschewing bulk intermediates whose provenance can barely be traced. While some products in the market come through a series of resellers, picking up impurities or inconsistent salt content along the way, every lot we ship comes from one identifiable batch, with no splitting, blending, or relabeling. This traceability shows up in customer returns: we rarely see unexplained failures traced back to our hydrazine hydrochloride. Labs want to know the source and processing history—especially those working under cGMP or ISO environments. Transparency in history gives confidence that the material in storage matches the document trail.

    Some competitors offer the free base or other substituted hydrazines. We caution users about the subtle behavioral shifts—free bases may oxidize, offer poor shelf stability, and demand extra steps at the point of use. There are also differences between ortho-, meta-, and para-methoxy versions. Years of working with these isomers have shown us that (2-methoxy) gives a unique combination: useful electron donation for fine-tuning aromatic substitutions, but still manageable sterics for downstream cross-coupling. Users often comment that, in their hands, our hydrochloride salt dissolves quickly and completely, with no stubborn residues. For multi-step reaction sequences, fewer side reactions appear, which our own QC chemists confirm in test syntheses. Try the same steps with second- or third-hand product, and dark oils or unpredictable yields become the norm.

    Changes in vendor always bring subtle risks; sometimes a new lot from a trader looks the same but throws off a critical coupling by a few percent. By maintaining upstream controls, we keep tight reins on salt content and prevent introduction of extraneous ions. Feedback from our larger-scale API customers confirms the differences—especially during validation of scale-up runs. Further, our focus on in-lab feedback—rather than marketing language—pushes us to put product in the hands of real users, confirm the reactivity, and then revalidate every six months. We find perpetual gains, where even seemingly minor process tweaks translate into noticeable reductions in trace impurities like chlorinated byproducts. This disciplined, feedback-driven approach gives our product a measurable edge.

    Supporting Evolving Research and Scale-Up

    We notice an increasing number of labs reaching for (2-methoxyphenyl)hydrazine hydrochloride during fragment-based drug discovery. As the complexity and nuance of heterocyclic targets rises, so too does the need for intermediates that behave predictably over months of storage. Some clients initially request only a few hundred grams for feasibility screens. Six months later, they contact us for tens of kilograms, with new requirements around trace metals or crystal habit. We build in flexibility here; our process can adjust small variables to meet unique trial demands—we don’t mind working with customers who share their actual use case and let us help dial in the right fit.

    Our plant supports pilot and commercial scales, drawing from the same validated process. Rather than segmenting lots by scale, we keep a common production stream, which helps ensure that a project in early research gets access to the same high-quality compound as a project that’s about to hit the market. This line-of-sight from lab to plant is critical. Many companies can produce a good kilo or two, but uncontrolled scale-up can trigger unexpected failures: solubility problems, acid-base imbalances, or even changed reactivity. Our own R&D team actively works with scale-up partners to retest, cross-check and, in some cases, create custom documentation before campaigns hit full swing. Direct, regular contact between bench chemists and factory engineers closes the feedback loop, allowing the process to keep pace with scientific change.

    Safety and Handling, Informed by Daily Practice

    Standing in the plant, you learn respect for the hazards at each step. (2-Methoxyphenyl)hydrazine hydrochloride carries toxic and irritant properties; we install and maintain local exhaust ventilation at each dispensing site, and train staff to avoid skin or eye contact. Chloride salts, while more stable than free bases, still demand strict dry storage—especially to prevent caking or hydrolysis. After years of experience, we trust sealed, double-layered packaging above all else, and we document all storage practices with each outgoing shipment. Handling protocols, honed through thousands of man-hours, mean spills stay rare and exposure incidents drop to near zero.

    We value feedback from users on safety issues as much as on chemistry: some academic groups have less experience working with hydrazine compounds, and we offer practical instructions—not generic cut-and-paste phrases—based on our own experiences. Proper PPE, chemical-resistant gloves, and upgraded fume hood practices form the backbone of laboratory safety around this compound. In the rare event of an incident, we share experiences from our own near-misses to keep partners prepared and minimize risk at every touchpoint.

    Sustainability and Regulatory Commitments

    As environmental priorities rise in the chemical industry, we invest in cleaner production and improved waste management around this compound. Our plant operates on a closed-loop system for solvent recovery during extraction and purification, and we’ve remodeled certain steps to slash overall emissions. Our engineers continually source less hazardous reagents for future process redesign. Every time we replace an old distillation unit or upgrade a batch reactor, we cut energy use and reduce off-gassing. We train staff to segregate and handle waste streams effectively, rather than treating all byproducts alike.

    We also track local and international regulatory changes, staying compliant with emerging requirements. Our documentation contains detailed batch-process records and traceability reports for every shipment, making audits smoother for our partners. Clients facing GMP or REACH obligations often come to us for clarifications, knowing that every gram produced under our roof comes with the necessary traceability and compliance guarantees. This history gives our partners reassurance through every stage of their product life cycle.

    Continuous Improvement: Lessons Learned Over the Years

    Continuous improvement isn’t a buzzword inside our walls. Chemists and operators work together, track the fine points of each batch, and review event logs. We modify equipment, retool filtration, and sometimes explore radical changes in crystallization—never just to save cost, but to keep pace as customers shift their demands. Some of our most impactful upgrades started as minor notes in the batch record, leading toward new drying circuits or better impurity controls. More than once, a small tweak has shaved hours off downstream work or boosted final yields for our largest regular partners without sacrificing purity. We treat every batch as a source of feedback, not just a box to check on the schedule.

    We have long since learned that real industry value doesn’t arise from templated documents or promises. It comes from blending technical skill, factory know-how, and the willingness to listen and iterate. (2-Methoxyphenyl)hydrazine hydrochloride may look similar across suppliers, but closer inspection and repeated use reveal the difference between a chemical and a reliable intermediate. Our commitment shows not just in product quality, but in the transparency and speed with which we respond to new requests, trouble reports, or regulatory concerns.

    Partnering with Customers: Solutions through Open Dialogue

    Customer relationships don’t start and end with a purchase order. Our most successful, longest-standing partners gained value as we communicated directly, responding to changing synthetic targets, scale-ups, or unforeseen regulatory requirements. Instead of pushing catalog solutions, we work to understand a project’s constraints—maybe you need an exact polymorph, or maybe downstream processing needs the salt form tighter than the common market spec. Trouble in crystallization? We troubleshoot with you, using experience from our own labs. Planning a scale-up? We share data about heat flow, filtration, and solvent usage. It’s never one-size-fits-all, and the conversation is more about solving chemistry than selling product.

    Our team absorbs knowledge both from in-house development and the field feedback cycle, keeping the production line flexible. Process development gains support when users share new challenges or unexpected impurities, and successful solutions filter back into routine practice. Mutual trust grows, turning one-off purchases into ongoing relationships anchored in shared goals.

    Practical Wisdom from the Factory Line

    Real-world manufacturing teaches lessons that can’t be gleaned from data sheets alone. Temperature control trumps theoretical yield during scale-up; well-sealed drums cut caking and customer complaints far more than another percent on a spec. How a powder flows, how it smells, the noise it makes on the rotary evaporator—these everyday observations shape better process control and more predictable handling for every shipment. We focus on the metrics that matter: purity, reactivity, safe handling, lot-to-lot consistency, and rapid resolution of problems when they arise. Our bench chemists stay in regular contact with QC teams and customers, refining production as projects demand. New analytical instruments, fresh staff training, and planned process upgrades blend seamlessly with established SOPs. This practical mix ensures we deliver a product that real researchers rely on, rather than just meeting a generic grade.

    The Long View: Trust Earned over Time

    Our experience manufacturing (2-Methoxyphenyl)hydrazine hydrochloride encompasses thousands of batches. Working from raw material through finished product, we see a clear path: traceable origin, transparent quality control, safety built into operations, and a steady drive for cleaner, more efficient processes. We learn as much from failures as from routine success. Each customer conversation helps identify weak spots or new opportunities. Sometimes the smallest changes—upgraded valves, new filters, adjusted controls—outpace the impact of another compliance certificate. Customers remember suppliers who fix a problem before it repeats, not just those with the lowest price per kilo.

    For those relying on this compound to drive synthesis or discovery, a trusted source is critical. Whether you’re looking to optimize medicinal chemistry routes, refine process R&D, or build a supply chain with true transparency, we bring experience and an open line of communication into every order. The manufacturing journey shapes not only our reputation, but the progress of every partner along the way.