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1-Acetyl-2-Phenylhydrazine

    • Product Name 1-Acetyl-2-Phenylhydrazine
    • Alias Acetanilide
    • Einecs 202-870-9
    • 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

    193554

    Cas Number 114-83-0
    Molecular Formula C8H10N2O
    Molecular Weight 150.18 g/mol
    Iupac Name 1-acetyl-2-phenylhydrazine
    Appearance White to off-white crystalline powder
    Melting Point 84-87°C
    Boiling Point 337.1°C at 760 mmHg
    Solubility Slightly soluble in water, soluble in ethanol and ether
    Density 1.18 g/cm³
    Smiles CC(=O)NNc1ccccc1
    Synonyms Acetophenylhydrazide, N-Acetyl-2-phenylhydrazine
    Inchi InChI=1S/C8H10N2O/c1-7(11)10-9-8-5-3-2-4-6-8/h2-6,9-10H,1H3
    Storage Temperature Store at 2-8°C
    Refractive Index 1.607

    As an accredited 1-Acetyl-2-Phenylhydrazine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 100g of 1-Acetyl-2-Phenylhydrazine is securely sealed in an amber glass bottle with a chemical-resistant screw cap.
    Shipping 1-Acetyl-2-Phenylhydrazine should be shipped in tightly sealed containers, away from light, heat, and incompatible substances such as oxidizers. It must be clearly labeled as a chemical substance. Adequate cushioning and secondary containment are recommended to prevent leaks. Shipment should comply with relevant local, national, and international chemical transportation regulations.
    Storage 1-Acetyl-2-Phenylhydrazine should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as oxidizing agents and acids. Protect from light and moisture. Proper labeling and secure placement are essential to prevent accidental exposure, and access should be restricted to trained personnel only.
    Application of 1-Acetyl-2-Phenylhydrazine

    Applications of 1-Acetyl-2-Phenylhydrazine in Industrial Manufacturing

    As a direct manufacturer, we provide 1-Acetyl-2-Phenylhydrazine for several specialized chemical processing fields. Each downstream sector applies the material according to strict safety, compliance, and formulation benchmarks. The following sections detail specific industrial uses, integration points, and quality requirements associated with this intermediate.

    1. Pharmaceutical Intermediate for Pyrazolone API Synthesis

    Our clients in pharmaceutical API manufacturing use 1-Acetyl-2-Phenylhydrazine primarily as an essential intermediate during the synthesis of pyrazolone derivatives. It offers controlled reactivity for condensation reactions without introducing excess impurity burden during downstream purification. Chemical process engineers monitor its input ratio throughout the series of batch reactions that culminate in the formation of APIs used in analgesic and antipyretic products. As a result, both regulatory and in-house QC teams track residual levels meticulously, aligning with international standards for impurity profiles and batch reproducibility.

    Industry compliance standards

    • ICH Q7A Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Ph. Eur., USP, and JP pharmacopoeial impurity specifications (if applicable to final API)
    • FDA 21 CFR Part 211 (for API manufacturing facilities exporting to the US)
    • Local Drug Administration clearance for intermediate handling and management

    Typical usage ratio

    • Commonly 0.85–1.1 molar equivalents relative to ketone substrate, with adjustments based on reaction yield and byproduct minimization requirements

    Downstream process integration

    • Charged at the hydrazine condensation step (stage 2 or 3 of multi-step synthesis); input controlled to optimize pyrazolone ring closure

    Final product types

    • Bulk analgesic and antipyretic APIs (including Metamizole sodium, Antipyrine derivatives, and related pharmaceuticals)

    2. Dye and Pigment Intermediate

    Colorant manufacturers incorporate our product during the synthesis of azo dyes and pigment molecules requiring phenylhydrazine-based coupling components. Its acetyl protection group helps reduce side reactions under oxidative coupling and ensures precise chromophore formation in subsequent steps. Operators monitor addition closely during the diazotization and coupling procedures, as variable dosage impacts shade, purity, and fastness properties of the resulting pigment batches for textiles and printing inks.

    Industry compliance standards

    • REACH Registration (for EU-bound shipments)
    • Oeko-Tex Standard 100 (for dyes used in textiles)
    • ZDHC MRSL (when targeting restricted substances compliance for branded apparel supply chain)
    • ISO 9001:2015 Quality Management Systems (for pigment batch traceability and consistency)

    Typical usage ratio

    • Generally 0.95–1.2 molar equivalents relative to diazonium salt precursor per batch, adjusted depending on shade target and efficiency of coupling

    Downstream process integration

    • Introduced during the aryl hydrazine coupling stage, following diazotization of aromatic amines in batch or semi-continuous synthesis reactions

    Final product types

    • Azo dyes for synthetic fiber dyeing
    • Organic pigments for inkjet inks and paint formulations
    • Textile printing colorants (for cotton, polyester, and blends)

    3. Agrochemical Synthesis Building Block

    Chemical synthesis teams in the agrochemical sector source 1-Acetyl-2-Phenylhydrazine as a critical precursor for constructing certain heterocyclic scaffolds incorporated in insecticides and fungicides. The molecule participates in hydrazone formation and ring-closing steps for triazole and pyrazole agrochemicals. Technicians precisely meter its addition to balance conversion with the minimization of environmental releases. Production lines use process analytics and Triazole Analytical Method (TAM) residue testing protocols to verify compliance before formulation and export.

    Industry compliance standards

    • FAO/WHO Specifications for Agricultural Pesticides
    • ISO 17025 Laboratory Testing Accreditation (for analytical controls)
    • European Commission Regulation (EC) No 1107/2009 (for EU crop protection registration)
    • Chinese Ministry of Agriculture Pesticide Registration Guidelines

    Typical usage ratio

    • Typically 1.0 molar equivalent to aldehyde or ketone reactant in active ingredient synthesis; adjustment for stoichiometry depends on impurity profiling and final yield targets

    Downstream process integration

    • Used at hydrazone condensation or cyclization stage, forming heterocyclic cores under solvent-controlled and temperature-regulated reaction zones

    Final product types

    • Technical-grade triazole fungicides
    • Selective insecticide actives with pyrazole backbones
    • Granule and suspension agrochemical formulations

    4. Fine Chemical Intermediate for Analytical Reagents

    Analytical laboratories and specialty reagent suppliers utilize 1-Acetyl-2-Phenylhydrazine in the multi-step synthesis of chromogenic agents and derivatization reagents tailored for trace metal detection and spectrophotometric analysis. The material’s selectivity in hydrazone formation supports the manufacturing of batch-stable, high-purity intermediates. Downstream QC teams use HPLC and UV-Vis evaluation to confirm consistent conversion and product identity prior to bottling and packing.

    Industry compliance standards

    • ISO 17034 Reference Material Producer Accreditation
    • OECD Good Laboratory Practice (GLP) requirements (for reagent validation)
    • EN 14885:2018 (for chemical disinfectant testing where applicable)
    • Internal quality control based on HPLC and purity standards for specialty reagents

    Typical usage ratio

    • Ranges from 0.9–1.1 molar equivalents relative to the carbonyl or activating group, depending on target reagent structure and desired chromophore intensity

    Downstream process integration

    • Reacts during hydrazone or azo derivatization stage, prior to workup and purification in small-scale synthesis runs for reagent batches

    Final product types

    • Chromogenic analytical reagents for laboratory testing kits
    • Metal ion detection chemicals for water quality labs
    • Spectrophotometry derivatization solutions for environmental monitoring

    5. Intermediate for Specialty Polymer Additives

    Manufacturers of specialty polymers apply 1-Acetyl-2-Phenylhydrazine as a reactive modifier for introducing hydrazine-derived linkages and chain-end groups. These functionalities contribute to UV absorbance or light stabilization properties in packaging films, coatings, and engineering plastics. Technical teams dose the component during oligomerization and end-modification steps, relying on DSC and FTIR monitoring to evaluate incorporation and thermal behavior. Strict tracking during process scale-up ensures consistency with downstream blending specifications and international quality regime requirements.

    Industry compliance standards

    • ISO 14001 Environmental Management (manufacturing control)
    • ISO 9001 Quality Management
    • FDA 21 CFR 177 Subpart B (for polymers used in food contact, if applicable)
    • REACH Annex XVII Substances of Very High Concern (for EU export/compliance)

    Typical usage ratio

    • Usually 0.3–1.0 wt% relative to monomer or oligomer feed, modified based on desired light stabilization index and polymer matrix compatibility

    Downstream process integration

    • Added during pre-polymerization or end-group functionalization step within reactor trains, prior to final compounding and extrusion

    Final product types

    • UV-absorbing films for packaging
    • Light-stabilized engineering plastics
    • Specialty coatings for metal and polymer substrates
    Free Quote

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    Certification & Compliance
    More Introduction

    Introducing 1-Acetyl-2-Phenylhydrazine: The Reliable Choice from Experience

    A Closer Look at 1-Acetyl-2-Phenylhydrazine

    1-Acetyl-2-Phenylhydrazine often draws interest from chemists in research and industry for its robust structure and utility in building complex compounds. As a manufacturer, years spent refining the process for this specific hydrazine derivative enables us to recognize the nuances that separate a consistent, high-quality material from off-spec batches. The compound serves as more than a reagent—its chemical stability, pure crystalline form, and defined melting range speak to the care we take in every step from raw material to finished product. Model designations differ little to the end user since the real difference lies in method, filtration, and control at scale.

    Our production lines start with pharmaceutical-grade inputs and controlled reaction environments. Careful handling of hydrazine and acetyl precursors minimizes contaminant formation. From batch preparation to drying, every stage gets checked with in-house analytical equipment. The product’s white to off-white appearance and sharp melting point reflect the absence of side-products or excessive moisture, markers our team pays attention to batch after batch. Impurities tell a story: they signal issues upstream in synthesis or purification, and catching them early prevents downstream problems in whatever application awaits our chemical.

    Understanding the Specifications by Experience

    Specifications become more than numbers when you face daily realities in manufacturing. Each user demands not only the correct molecular formula but a physical appearance and purity that matches application need—whether pharmaceuticals, organic synthesis, or specialty intermediates. We regularly see requests that mention typical assay values above 98%, and our in-house QC ensures each lot reaches those targets. Precise melting points, low moisture content, and defined particle size mean less troubleshooting for the end user, giving confidence for scale-up work or research optimization.

    Every facility has had its days chasing issues with flowability, caking, or trace-level byproducts. Addressing such practicalities on our floor means the end customer spends less time adjusting processes. Keeping chloride, heavy metals, and solvent residues tightly controlled avoids headaches. Old equipment or careless suppliers struggle to match. A transparent QC process helps explain why a shipment meets spec—not just because an external report says so, but because generations of technicians have monitored the process with trained eyes and sensors. This is the real difference between commodity-grade output and material produced for robust use in a regulated or high-value environment.

    Applications Driven by Real-World Demand

    Over the years, 1-Acetyl-2-Phenylhydrazine found steady purpose in pharmaceutical intermediates, dyes, and analytical chemistry. Downstream manufacturers rely on batch reproducibility: in drug synthesis, especially, a lot-to-lot shift in purity or water content can interrupt kilo-scale runs or introduce costly troubleshooting. Our technical team listens for trends from users and adapts process points to head off issues. For example, slight residual solvents or variable particle size in raw hydrazines translate to unpredictable results when scaling new target molecules. The end user feels confident only when the material behaves the same every order, be it in a laboratory gram or hundreds of kilograms in a campaign.

    Researchers in academia sometimes call with questions about substitution patterns or byproduct profiles when developing new pathways. We can show spectra and run custom NMR or GC-MS when users chase elusive peaks. Large-scale users need assurance in regulatory compliance—no unexpected nitrosamine precursors or off-limits metals. Satisfying both markets demands a steady learning curve and communication between manufacturing and application, much more so than simply filling an order with a paper spec listing.

    Experienced Difference Compared to Other Hydrazine Derivatives

    Decades spent manufacturing hydrazine derivatives highlight subtle but important divergences among products that seem similar on paper but behave differently in practice. For instance, 1-Acetyl-2-Phenylhydrazine distinguishes itself from unsubstituted phenylhydrazine with improved handling and thermal stability. Its acetyl group dampens reactivity just enough to reduce hazards in storage and shipment, which anyone in warehousing appreciates. This altered reactivity extends practical shelf life and simplifies compliance for sites wary of energetic byproducts common to many hydrazine compounds.

    Compared to 2-phenylhydrazine hydrochloride or plain hydrazine hydrate, this acetylated variant offers lower volatility and reduced fume release, making containment and personal protective controls easier. This results in less evaporative loss and better consistency at the user site, supporting long-term quality in sensitive syntheses. We have seen customers return to this product after facing recurring losses or darkening in raw phenylhydrazines supplied elsewhere. Sometimes this difference makes or breaks a process, especially in environments where safety audits are routine or where fines for exceedances loom over daily operations.

    The performance difference extends to downstream reaction predictability. In diazotization or azo coupling, the extra acetyl group can mean minor tuning in reaction conditions, but stability benefits outweigh the learning curve. We keep technical support on hand for these conversations, with the goal of avoiding wasted time or unexpected in-process results. Our own process improvements continuously inform best practices for customers deploying the material in new reactions or formulations.

    Consistency in Scale and Supply Chain Transparency

    Consistent batch size and uninterrupted delivery rarely receive headlines, but real-world manufacturing depends on these factors. Surges in global demand or events affecting raw material streams put pressure on just-in-time supply models. Our company holds buffer stocks of precursors when reasonable, and maintains close, long-standing relationships with trusted raw material partners. This limits variability and strengthens our position in contracts where schedule adherence carries penalties. We see added value in maintaining a buffer over squeezing out an extra margin point through volume-cutting or outsourcing critical steps.

    Shipping dangerous goods such as hydrazine derivatives invites government scrutiny. Documenting chain of custody and container integrity with each movement prevents costly returns or damage. Our staff review every file and image from the packaging line to dispatch—pulling samples for retention and keeping lots available for customer repeats, regulatory review, or forensic analysis. The ability to answer compliance or quality questions years down the road builds trust with both multinational and regional customers.

    Our proactive approach reveals itself when unexpected challenges arise. Disruptions—anything from raw material delays to container hold-ups at ports—find us keeping lines running through judicious re-routing and in-house process flexibility. We keep upstream and downstream partners closely informed about inventory, re-inspection, and planned changes, mitigating surprises. These lessons, learned from decades of surprises, show up in small ways: back-labeling, UV-traceable ink, or extra validation on temperature shifts in transit that only a seasoned handler would add unprompted. Such details matter far more than glossy documents or web pages boasting generic “high quality.”

    The Human Element: Behind Every Batch, a Skilled Team

    At ground level, quality only happens with experienced people. New chemistry graduates joining our plant soon discover textbooks never cover everything they face here—raw material inconsistencies, upstream process hiccups, or subtle changes in batch pH. Old hands know when an odd odor signals a reactor issue or when a slightly off-white hue means a filter needs cleaning. This collective expertise controls variability, catches human or machine errors, and improves over time, batch by batch. Their efforts ensure our product stays reliable, not only complying with safety and purity standards, but saving users both time and money through consistent performance.

    Technical support continues after shipment. Documentation and testing history live with every product, allowing users to trace concerns with genuine transparency. Our chemists answer questions, provide spectra, or help troubleshoot—experience reveals that even minor-experience end users benefit from a direct conversation with those who know the process start to finish. Regular customer feedback, whether complaints or compliments, moves directly back to our floor and feeds monthly process reviews. Production metrics and quality improvement cycles owe their value to hearing how the product performs, what problems arise, and where small tweaks matter most.

    Meeting Regulatory and Application-Driven Standards

    Regulatory demands force ever-higher standards. Our processes respond by continuous documentation, targeted environmental controls, meticulous waste management, and regular staff training. Staying current with international requirements, from EU REACH listings to updates in US chemical control acts, keeps our teams reading, filing, and double-checking. Every certificate—origin, purity, compliance—emerges from real records, not “click-box” declarations. If a customer comes under audit or an agency requests review, we supply full traceability rather than generic statements. Pharmaceutical companies, chemical formulation houses, and research institutions have all demanded additional evidence at times, with each request deepening our protocols and adding layers to our finished product verification.

    The most recent updates in global standards add extra layers of documentation. Compliance means registering production lots, providing route-of-synthesis transparency, and confirming no restricted solvents or unwanted traces slip into finished goods. At each scale-up or process tweak, we execute new risk assessments anchored in broad operations experience. The ability to respond quickly when a customer or regulator tightens limits on byproducts—like residual hydrazine or nitrosamines—matters more than any single published spec. Scaling up for new products in an ever-changing regulatory landscape requires flexibility, constant learning, and collaboration within a manufacturer’s own supply and operations teams.

    Real Solutions for Handling and Storage

    Practical handling of hydrazine derivatives sometimes gets overlooked as “routine,” yet anyone in chemical manufacturing knows safe storage, clear labeling, and careful movement make the real difference. 1-Acetyl-2-Phenylhydrazine’s solid, relatively stable character makes it straightforward to store and use compared to classic hydrazines that tend to oxidize or degrade. Reducing dust generation, ensuring tight containers, and keeping routine atmospheric monitoring all contribute to accident-free operation. Incidents of unexpected decomposition or reactivity remain rare for those who respect correct limits and maintain good housekeeping practices, and we communicate these realities directly with user teams. Still, no such product can be entirely “set and forget.” Our regular training modules and safety updates include lessons learned from years of best practices and rare incidents, passing practical guidance to every new partner, lab, or warehouse operator who handles our chemical.

    Contingencies always exist for accidental spills or mislabeling events. In both development and commercial scale, our teams run scenario planning and emergency drills in-house, ensuring swift and clear guidance during an unexpected event. Having repair kits, secondary containers, and clear signage in place, coupled with robust documentation, saves time and prevents mishap escalation. We share these risk mitigation routines openly, so those downstream can layer their own protocols as needed. Working with users through these non-glamorous aspects of risk management pays off over the long term, preventing downtime, fines, and most importantly, protecting people.

    Continuous Improvement, Listening, and Future Readiness

    Supply consistency, ongoing improvement, and direct engagement make a real difference for customers relying on 1-Acetyl-2-Phenylhydrazine for advanced syntheses, pharmaceutical scaling, or specialty chemical discovery. As markets shift and regulations evolve, we update not just our systems but the skills and knowledge of our teams. This pace of change demands technical support well beyond order fulfillment. We review every complaint, every returned drum, every suggestion for improvement. Years of feedback cycles led to measurable QMS upgrades, process tightening, and—most importantly—quicker technical responses when something unusual shows up on a user’s site. Preparing quietly for future demands and skirting complacency wins out over marketing gloss or chasing cut-rate production at the expense of stability or honesty.

    As manufacturers, our primary measure remains user trust in each shipment: will it perform, match their specs, and support new ideas or processes? We have learned mistakes teach more than successes, especially in this specialty field where each small process variance echoes downstream. Being ready for regulatory shifts, supply hiccups, or entirely new uses proves as important as price or even yield in the long run. A real manufacturing partner earns its place by constant learning, careful recordkeeping, and a willingness to update as new science emerges.

    1-Acetyl-2-Phenylhydrazine: A Legacy of Learning Put to Use

    One thing stands clear over a lifetime spent with organic intermediates: users care about reliability, clear communication, and the steady hand that comes from long practice. 1-Acetyl-2-Phenylhydrazine offers a clear example of a chemical whose handling requirements, specification targets, and downstream utility all benefit from real-world experience. Each batch leaving our plant represents not just compliance with a checklist, but a history of process refinement, technical feedback, and an ongoing commitment to quality.

    Old lessons, ongoing learning, and an open path of communication ensure this material does more than occupy a spot on a spec sheet. Every step, from precursor selection to last-mile documentation, reflects the value gained by direct engagement with both the molecule and all those relying on its performance. For those building new molecules, scaling up proven pathways, or meeting ever-higher regulatory scrutiny, a sound manufacturing process and experienced technical support offer peace of mind—one shipment at a time, one reaction at a time, with every lot crafted for use, not just sale.