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2-Methoxybenzhydrazide

    • Product Name 2-Methoxybenzhydrazide
    • Alias o-Anisic acid hydrazide
    • Einecs EINECS 227-294-6
    • 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
    VTB
    Specifications

    HS Code

    243139

    Product Name 2-Methoxybenzhydrazide
    Cas Number 7440-82-4
    Molecular Formula C8H10N2O2
    Molecular Weight 166.18 g/mol
    Appearance White to off-white solid
    Melting Point 137-141 °C
    Boiling Point Decomposes before boiling
    Solubility Soluble in ethanol and DMSO
    Density 1.25 g/cm³ (approximate)
    Purity Typically ≥98%
    Synonyms o-Methoxybenzhydrazide
    Storage Temperature 2-8 °C

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

    Packing & Storage
    Packing The packaging for 2-Methoxybenzhydrazide (25 grams) is a sealed amber glass bottle with a tamper-evident screw cap and hazard label.
    Shipping 2-Methoxybenzhydrazide is shipped in tightly sealed containers, protected from moisture, heat, and direct sunlight. It is transported according to standard chemical regulations, with clear labeling for handling and hazard precautions. Ensure compliance with local and international shipping guidelines for safe delivery and storage of this chemical.
    Storage 2-Methoxybenzhydrazide should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of heat, moisture, and incompatible substances such as strong oxidizers. Keep the container clearly labeled and protected from direct sunlight. Avoid exposure to air for prolonged periods to prevent degradation, and follow all relevant safety and handling guidelines.
    Application of 2-Methoxybenzhydrazide

    Applications of 2-Methoxybenzhydrazide in Industrial Manufacturing

    2-Methoxybenzhydrazide serves as a key chemical intermediate across distinct industrial sectors. As an original manufacturer, we supply this material to customers for advanced synthesis and downstream formulation in specialized chemical value chains. Below, we outline principal applications by industry, highlighting usage parameters, regulatory frameworks, integration into manufacturing processes, and end-use product categories.

    1. Pharmaceutical Intermediate Synthesis

    Major pharmaceutical firms integrate 2-Methoxybenzhydrazide into the synthesis pathway for select APIs, particularly in the development of hydrazide/hydrazone-based compounds with anti-tuberculosis, antibacterial, or CNS activity. The material enters the pathway during the key hydrazide condensation step, offering high purity and consistency for downstream coupling reactions. This input supports strict audit trails and ensures compliance with regional pharmacopeia during bilk production and scale-up for dosage formulation plants.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Ph. Eur. (European Pharmacopoeia) monographs
    • 21 CFR Part 210/211 (US FDA cGMP for finished pharmaceuticals)
    • ISO 9001:2015 Quality Management Systems for pharmaceutical ingredients

    Typical usage ratio

    • 0.5–2.5 molar equivalents relative to pendant carbonyl precursor—adjusted per targeted API synthesis route and stoichiometry requirements

    Downstream process integration

    • Added during initial hydrazide formation step in the multi-stage API synthesis
    • Reacted under controlled temperature and pH for selective condensation
    • Integrated in cleanroom environments with traced batch documentation
    • Residue monitored by HPLC and removed in successive purification

    Final product types

    • Anti-tuberculosis drug APIs
    • Hydrazone-based intermediates for CNS drugs
    • Antibacterial precursor molecules
    • Regulatory-approved bulk APIs for global export markets

    2. Synthesis of Azo Dye Intermediates

    Textile and pigment manufacturers use 2-Methoxybenzhydrazide to prepare intermediates for high-value azo dyes and specialty pigments. The raw material participates in diazotization and azo coupling reactions, imparting stability to the resulting chromophores under textile processing conditions. Batch processing requires careful control of reaction pH and temperature to optimize yield and minimize unwanted byproduct formation, while fulfilling customer colorfastness specifications.

    Industry compliance standards

    • OEKO-TEX® Standard 100 (for restricted substances in textiles)
    • REACH Annex XVII (EU) for aromatic amines and azo compounds
    • ISO 14001:2015 Environmental Management Systems
    • ZDHC MRSL v3.1 (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)

    Typical usage ratio

    • 0.8–1.3 parts by mass per part of aromatic coupling partner, fine-tuned based on chromophore design and fastness properties

    Downstream process integration

    • Charged in the initial condensation phase for dye intermediate formation
    • Diazotization under cooled, acidic conditions to enhance reactivity
    • Subsequent coupling with aryl amines to generate targeted color molecules
    • In-process controls check release of aromatic amines according to textile customer audits

    Final product types

    • Acid yellow and orange azo dye intermediates
    • Disperse dyes for synthetic fiber coloration
    • Reactive azo pigment concentrates for digital inks
    • Industrial color-fast textile dyes for apparel and home textiles

    3. Agrochemical Intermediate Manufacturing

    Agrochemical formulators adopt 2-Methoxybenzhydrazide during synthesis of selective herbicide and fungicide actives where hydrazide substructures contribute to improved biological activity. The compound is introduced as a core fragment during condensation or cyclization stages, ensuring compatibility with downstream formulation surrogates. Manufacturers monitor the hydrazide ratio closely to meet target purity and minimize environmental residuals in compliance with regional agrochemical regulations.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • Directive 91/414/EEC (EU) for registration of plant protection products
    • OECD Principles of Good Laboratory Practice (GLP) for chemical synthesis
    • ISO 17025:2017 Testing and Calibration Laboratories

    Typical usage ratio

    • 0.9–1.8 equivalents relative to aldehyde or acid chloride precursors, based on cyclization efficiency and purity specifications for the active ingredient

    Downstream process integration

    • Employed during nucleophilic substitution or ring-closing reaction stage in technical active synthesis
    • Reaction conditions controlled for moisture and temperature sensitivity
    • Downstream removal of unreacted raw material by liquid-liquid or solid-phase extraction
    • Quality control includes GC-MS for monitoring hydrazide residuals in technical powder

    Final product types

    • Herbicide actives containing hydrazide functional groups
    • Fungicidal intermediates for crop protection blends
    • Technical grade agricultural pesticides
    • Preliminary agrochemical screening candidates for formulation labs

    4. Fine Chemical and Custom Synthesis

    Custom synthesis service providers and fine chemical plants incorporate 2-Methoxybenzhydrazide as a configurable building block for library synthesis, specialty organic frameworks, and targeted screening compounds. The reagent reacts selectively with diverse electrophiles, allowing for the rapid prototyping of new chemical entities for research or limited-market applications. Production follows customer project protocols, with traceability and lot documentation maintained for all kilo-lab and pilot-plant outputs.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for specialty chemicals
    • IUPAC Nomenclature and labeling for research substances
    • Good Laboratory Practice (GLP) principles for contract synthesis
    • Globally Harmonized System (GHS) chemical safety implementation

    Typical usage ratio

    • 1.0 equivalent per core fragment in modular synthesis; values may range 0.5–2.0 equivalents based on desired scaffold and customer route design

    Downstream process integration

    • Reacted in initial or penultimate step of advanced intermediate synthesis
    • Optimized under small-batch, high-purity protocols for diverse end-targets
    • Integrated with HPLC/LC-MS for purity tracking at each synthesis stage
    • Batch records supplied to downstream partners for application records

    Final product types

    • Custom research compounds for R&D collaborations
    • Lead compound libraries for biotech screening
    • Novel functionalized aromatic scaffolds for new material testing
    • Specialty reagents for academic and industrial innovation projects
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    Certification & Compliance
    More Introduction

    2-Methoxybenzhydrazide: Manufacturer’s Perspective

    An Introduction Rooted in Practical Chemistry

    2-Methoxybenzhydrazide has grown into a staple in advanced organic synthesis. Direct work with this molecule has shown its value for both research and scale-up operations. As a manufacturer producing batches from grams to tons, experience shapes an understanding of this product that reaches beyond catalog entries or simple material lists. Every batch goes through strict control, from raw material selection to packaging, because small impurities can skew downstream results or process yield. This level of attention traces back to the earliest steps in our process, ensuring that chemists and researchers don’t deal with hidden pitfalls caused by off-spec material.

    Core Characteristics

    This compound presents as a solid, typically white to faintly off-white, with a melting point falling in the moderate range. Purity usually holds at not less than 98%, meeting or exceeding the strictest industrial and scientific expectations. The bench-scale to multi-kilo synthesis routes we manage suit customers looking for consistent, reliable supply over many months or years. The molecular structure contains a methoxy group on the aromatic ring and a hydrazide functional group attached to the benzene backbone, which together open up a wide set of reactivity options across pharmaceutical intermediates, agricultural laboratories, and specialty material developers.

    Real-World Applications

    Over the years, many customers return for this molecule to use it in heterocycle construction, particularly in the synthesis of bioactive substances. The hydrazide group offers a point of entry for diverse derivatization. This allows development chemists to create libraries of N-acyl, N-aryl, or heterocyclic products. Multiple small pharmaceutical projects have relied on stable, high-purity 2-Methoxybenzhydrazide for work creating hydrazones or pyrazole derivatives. A batch with low impurities ensures that undesirable side reactions stay minimal, saving clients from complicated purification steps. Some agricultural research teams have explored this reagent in analogous ways, especially in lead discovery programs and screening campaigns. Whether the project calls for scale-up or gram-scale investigation, batch reproducibility means fewer surprises down the road.

    Why Straight-From-Manufacturer Chemistry Matters

    Direct manufacturing offers clear visual control throughout every stage. Each lot’s analytical profile rests on years of optimization, not just casual sample testing. In small-molecule chemistry, consistency spells the difference between repeatable research and unexplained setbacks. Having produced thousands of kilograms across several years, we have faced and solved issues that arise from moisture uptake, insufficient drying, and minor byproducts stemming from incomplete reactions or side chain oxidations. Our operators have optimized drying schedules, crystallization conditions, and filtration protocols so that researchers starting with a new lot don’t encounter material that behaves unpredictably.

    How 2-Methoxybenzhydrazide Stacks Up Against Close Relatives

    Hydrazide building blocks share structural similarities but diverge when applied to synthetic routes. Plain benzhydrazide, for example, lacks the electron-donating methoxy group seen in this compound. This seemingly minor feature gives 2-Methoxybenzhydrazide altered reactivity in coupling or derivatization steps. Methoxy substitution shifts nucleophilicity and changes biological profiles during lead optimization. Over multiple projects, chemists have found that substituents at the ortho position shield reactive centers and sometimes change solubility. Direct experience handling these molecules shows that the methoxy group helps suppress certain side-reactions during cyclizations, a trait appreciated by researchers seeking reliable, clean conversions.

    Some projects ask about switching to para-methoxybenzhydrazide or other isomers. Our in-house trials follow these requests to their conclusion. Solubility, color, off-odors, and melting point often shift in ways that matter for scale-up or purification. Consistency favors 2-Methoxybenzhydrazide for anyone following literature procedures or regulatory starting material lists. When it comes to hydrazone formation yields, this compound’s track record competes strongly against both ortho-unsubstituted and other substituted benzhydrazides.

    Handling, Storage, and Stability Insights

    Community experience points to a few practical lessons. Hydrazides, by their nature, attract atmospheric moisture over time. Storage in tightly sealed containers staves off clumping and unnecessary weight gain during ambient storage – practices our packing line enforces on every outgoing drum or bottle. For customers aiming at long-term inventory holding, lower humidity areas extend material shelf life and keep batch-to-batch assay values in range. Our warehouse and logistics teams rotate stock, flag temperature excursions, and monitor shipments for exposure because minor mishandling early in the chain can diminish final usability.

    Direct engagement with real-life warehousing, not just generic guidelines, has demonstrated the value of using both plastic and glass containers lined with moisture-proof layers. Experience has shown that flexible packaging can allow unwanted deformation of large sacks, which sometimes changes the density and pourability of stored hydrazide. We have moved away from outdated barrel types that led to powder compaction and broken clumps – a legacy of careful inventory analysis and improvement.

    Sourcing Raw Materials and Sustainability Considerations

    Manufacturing 2-Methoxybenzhydrazide starts with precise precursors. Sourcing quality 2-methoxybenzoic acid and hydrazine hydrate presents both a regulatory and supply chain puzzle. Years handling these key inputs have shown that subtle differences in supplier material can alter the yield, color, and purity of the final product. Regular audits of our own supply chain partners, along with testing every incoming lot, have set our product apart in consistency. Environmental compliance means careful control of waste hydrazine, which gets treated on-site with controlled destruction protocols. We go beyond simple disposal certificates, outfitting our plant with facilities to neutralize waste streams, lower emissions, and reclaim solvents where feasible. This doesn’t just satisfy audits; it keeps costs stable across seasons and curbs environmental burden, a growing concern among both regulatory bodies and conscientious customers.

    Energy utilization in hydrazide production often centers on crystallization steps. Repeated temperature cycling to maximize yield and purity doesn’t pay off if energy loss goes unchecked. Over the past decade, our team has invested in smart heat-exchange and recycling systems. Such investments cut fuel use, and the result is not simply a greener process, but a more stable price over time. It helps us offer customers material not just reliably, but responsibly.

    Quality Assurance Backed by Hands-On Procedure

    No analytical machine substitutes for consistent human oversight, especially with compounds that can hydrolyze or degrade in careless hands. Each batch undergoes both in-process and finished-goods checks by analytical chemists who recognize subtle shifts: slight changes in IR fingerprint, minor color tinge, or variable particle size. These deviations, even if analytically “within specification,” can signal shifts that matter to downstream processing—an insight that comes only with real manufacturing history. Rather than rely purely on certificates generated from generic protocols, our QC staff review trend data, track supplier variation, and stay alert for characteristic warning signs that may not breach specification limits but suggest closer inspection is needed.

    We have, on occasion, recalled or held back product from shipment due to faint odor or physical appearance changes picked up by trained staff, saving our customers headaches from explaining or troubleshooting inconsistent material. For those scaling up to pilot or commercial levels, years of consistent lot records become a resource and assurance rarely matched by resellers working off purchased stock.

    Supporting Innovation in Research and Development

    Supplying bench scientists and industrial chemists alike, we have played an active role in dozens of scale-up projects. Some development teams need just a few grams at the outset, probing novel synthetic routes or optimizing assay conditions with 2-Methoxybenzhydrazide as a key intermediate. On other occasions, process development teams move up to multi-kilogram requirements, requiring us to replicate small-batch purity and particle size on much larger equipment.

    Every technology transfer between the laboratory and the plant floor introduces potential disruptions. Particle size, crystal form, residual solvent content, and packaging all come under scrutiny. Deadlines push for quick ramp-up, but cut corners only produce trouble in the long run. As a manufacturer directly accountable for outcomes, our support goes beyond drop-shipping material. Process engineers provide feedback on crystallization, drying, storage, or even downstream handling, because these all factor into how well the material integrates into a given synthesis.

    Regulatory and Safety Concerns Drawn from Practice

    Many global projects require assurance of compliance with not only local standards but international chemical safety codes. Paperwork trails are important, but real credibility comes from aligning every batch with actual plant-wide SOPs established over years of production scale runs. Export restrictions, transport safety documentation, and hazard label accuracy receive just as much attention as batch assays. We have implemented routine staff training that reflects real-life incident analysis and not just written protocols. Batch labels, hazard symbols, documentation, and internal audits follow actual process hazards, staying up to date with real-world changes in labeling and compliance codes, to protect both our workers and customers.

    From a practical chemistry and safety perspective, years of handling hydrazides underline vigilance in venting, personal protective equipment, and the avoidance of open flames or oxidants near storage and reaction areas. Hydrazides may pose modest health hazards if dust becomes airborne or if spilled, calling for local exhaust and strict clean-room procedures in high-purity manufacturing areas. We don’t just document proper safety—all protocols get practiced, reviewed, and adapted as new information and challenges arise.

    Choosing the Right Material for Your Project

    Direct feedback from users has fueled improvements across packaging, labeling, and handling protocols. Early on, some project teams struggled with slow dissolution or off-color solutions stemming from small but significant impurity levels. Direct involvement, from the very first inquiry through to ultimate consumption, enables us to spot stray variables faster than distributors who lack process familiarity. Clients in pharma, agrochemical research, and material sciences each have specialized needs, and material from our line gets tailored in drying, sieving, and blending as necessary — always with a clear paper and analytical trail supporting traceability.

    Comparisons to other hydrazide products sometimes focus on price, but a lower sticker price on off-spec or poorly documented material can lead to time lost in the lab from batch rejection, purification issues, or delayed regulatory clearance. Years of collaboration with leading researchers and commercial teams have shown that reliability pays for itself in reduced troubleshooting, easier validation, and lower scrap costs.

    Rich Data from Daily Manufacturing Practice

    The ultimate test of a product stems from repeated success in users’ hands. Each production campaign adds to the knowledge base: feedback on filtration times, drying properties, suitability in automated dispensing systems, and real stability during storage. We collect and act on details that don’t always show up in specifications, like how easily a lot transfers from drum to blender, or whether static charge causes minor dust loss during weighing. Over the years, this real-time learning underpins modifications in our process equipment and even informs packaging redesigns, all driven by expert users’ day-to-day requirements.

    Industry Trends and Looking Forward

    As global supply chains evolve and user needs change, we adapt sourcing, production, and delivery protocols. The move towards green chemistry, tighter quality documentation, and digital tracking has refined our approach. Customers now expect not just a molecule, but robust proof of regulatory and quality compliance, real-world application support, and transparency in every aspect of material preparation. By maintaining end-to-end oversight — from raw material auditing to detailed post-shipment feedback channels — we build lasting partnerships with innovators pushing science forward.

    Operational experience shapes each decision: choosing reactors with optimal mixing, optimizing the order of addition in synthesis, and iterating over every drying step until process yields and product quality align with customer needs. Instead of focusing solely on immediate profit, our philosophy has always followed a long-term benefit for end users, supporting both incremental development and major project breakthroughs in the field.

    The Value of Manufacturer Support

    End users often discover that support doesn’t end upon shipment. Scaling processes, troubleshooting unexpected results, and advising on optimal usage all require a level of familiarity and expertise only earned at a working plant. We provide long-term records, address batch recall or modification quickly, and offer knowledgeable guidance – all grounded in real manufacturing and handling experience rather than secondhand reports.

    The ability to rapidly analyze and provide in-house spectral or impurity data on request, suggest procedural adjustments, or help troubleshoot application-specific problems distinguishes a true manufacturing partner from a mere transactional supplier. This hands-on involvement means projects consistently benefit from high-quality starting material, saving time and money throughout development.

    Moving Ahead With Reliability

    2-Methoxybenzhydrazide’s practical value comes not just from its reactivity or purity range, but from a manufacturing context built on real experience and refinement. As application areas broaden — from active pharmaceutical ingredient synthesis to agricultural and specialty chemistry innovations — supply assurance and direct technical support continue to matter. Each delivered batch represents accumulated diligence not only in chemistry but also in responsive customer engagement and an ongoing drive to solve challenges as they arise.

    As science advances and market conditions shift, the knowledge built from years of 2-Methoxybenzhydrazide production provides stability in planning, support for innovation, and a track record upon which new applications take shape.