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Piperazine

    • Product Name Piperazine
    • Alias 1,4-Diazacyclohexane
    • Einecs 202-807-4
    • 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

    223918

    Chemical Name Piperazine
    Chemical Formula C4H10N2
    Molecular Weight 86.14 g/mol
    Appearance White crystalline solid
    Melting Point 106-109°C
    Boiling Point 146°C (at 760 mmHg)
    Solubility In Water Freely soluble
    Odor Ammonia-like
    Density 1.2 g/cm³
    Cas Number 110-85-0
    Ph 10.8 (1% solution in water)
    Flash Point 90°C (closed cup)
    Vapor Pressure 0.3 mmHg (at 25°C)

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

    Packing & Storage
    Packing The piperazine comes in a sealed, blue HDPE drum containing 25 kilograms, labeled with chemical identification, hazard symbols, and handling instructions.
    Shipping Piperazine is shipped in tightly sealed containers, typically drums or bottles, to prevent moisture absorption and contamination. It is transported as a hazardous material due to its potential health effects. Proper labeling, documentation, and compliance with international regulations, such as IMDG, IATA, and DOT guidelines, are mandatory for safe and legal shipment.
    Storage Piperazine should be stored in a tightly closed container in a cool, dry, well-ventilated area away from moisture, heat, and incompatible substances such as strong oxidizing agents and acids. It should be protected from light and handled using appropriate safety measures. Proper labeling and secure storage minimize the risk of contamination, accidental spills, or exposure.
    Application of Piperazine

    Applications of Piperazine in Industrial Manufacturing

    Piperazine serves as a critical chemical intermediate across several specialized industrial sectors. The material’s core properties make it essential in synthesis, processing, and formulation steps where strict standards and consistent quality are mandatory. Below we detail key segments where piperazine integrates directly into industrial manufacturing workflows, with a focus on authentic downstream scenarios and their technical requirements.

    1. Pharmaceuticals: Anthelmintic Drug Synthesis

    Pharmaceutical manufacturers use piperazine in producing anthelmintic agents targeting intestinal worms. The synthesis demands pharmaceutical-grade purity, with stringent impurity controls. Piperazine reacts directly in heterocyclic compound formation, forming bioactive salts such as piperazine citrate and piperazine adipate. Its introduction point is the initial condensation with organic acid moieties, often under closely monitored batch reactions. Finished drugs must meet pharmacopoeial specifications before packaging into oral tablets or suspensions for the end market.

    Industry compliance standards

    • USP, EP, JP, and ChP pharmacopoeial monographs
    • ICH Q7 Guidelines for Active Pharmaceutical Ingredients
    • GMP certification (EU GMP, US FDA cGMP, China GMP, WHO GMP)
    • Control for residual solvents per ICH Q3C

    Typical usage ratio

    • 25–80% by mass of the finished salt-form API
    • Adjusted by molecular stoichiometry, with excess minimized to reduce post-reaction purification

    Downstream process integration

    • Direct charge in API synthesis reactor
    • Reaction with organic acid under controlled temperature and pH
    • Post-synthesis purification, crystallization, and drying
    • Granulation and blending prior to tablet compression or suspension formulation

    Final product types

    • Piperazine citrate tablets
    • Piperazine adipate oral suspensions
    • Piperazine phosphate chewable tablets
    • Other drug combination formulations addressing parasitic infections

    2. Polymer Industry: Production of Polyamide Resins

    Manufacturers employ piperazine as a diamine monomer in producing polyamide and polyamide-imide resins, targeting engineering plastic and fiber applications. Its unique ring structure contributes flexibility and chemical stability to polymer chains. Strict feedstock purity, residual alkalinity, and moisture content control are essential to prevent polymerization side reactions. Integration occurs in the initial condensation polymerization with diacid chlorides or diesters, yielding resins suitable for demanding molded or extruded finished goods.

    Industry compliance standards

    • ISO 9001-certified quality management system
    • REACH registration (EU), TSCA reporting (US)
    • RoHS and SVHC compliance for electronics-grade products
    • Internal manufacturer feedstock purity specifications driven by downstream resin performance

    Typical usage ratio

    • 10–35 mole% as a diamine component in polyamide synthesis
    • Adjusted based on targeted polymer chain flexibility, melting point, and intended end-use application

    Downstream process integration

    • Batch or continuous feed into polycondensation reactors
    • Mixing with co-diamines and diacid chlorides or diesters under inert atmosphere
    • Neutralization and devolatilization steps to remove hydrochloric acid or methanol byproducts
    • Direct pelletization or flake formation for downstream compounding

    Final product types

    • Injection-molded polyamide-imide automotive parts
    • Engineering resins for electrical housings
    • Industrial film and fiber grades for tire cord reinforcement
    • Specialty plastics for high-temperature environments

    3. Water Treatment: Boiler Scale Inhibitors and Corrosion Control

    Chemical formulators use piperazine for the synthesis of advanced water treatment amines, especially in thermal power plants and industrial boilers. As a building block for film-forming amine blends, piperazine helps prevent scale and corrosion by enhancing pH buffering and neutralizing acid gases in recirculating systems. The material integrates during in-plant formulation, requiring full traceability, controlled residual amine content, and regulatory-compliant impurity profiles due to direct discharge or human exposure risk.

    Industry compliance standards

    • ANSI/AWWA B510 (for water treatment chemicals – corrosion and scale inhibitors)
    • ISO 14001 environmental system certification for plant operations
    • European Biocidal Products Regulation (BPR) for treated water applications
    • US EPA regulation for feedwater treatment chemicals

    Typical usage ratio

    • 5–20% by weight in blended amine formulations
    • Adjusted according to system pressure, water hardness, and required protection factor

    Downstream process integration

    • Charged at the blending stage of water treatment chemical preparation
    • Combines with morpholine, cyclohexylamine, or other neutralizing amines
    • Solution or emulsion mixing under controlled temperature and agitation
    • Final packaged concentrate dosed directly into steam or process water circuits on site

    Final product types

    • Boiler water corrosion inhibitor concentrates
    • Film-forming amine blends for industrial steam systems
    • Scale inhibitor chemicals for power generation facilities
    • Closed recirculating cooling water pH control formulations

    4. Agrochemical Synthesis: Herbicide Intermediate

    Piperazine is a key intermediate in the controlled synthesis of certain selective herbicides and fungicides. Agrochemical producers use it to build the heterocyclic backbone of active molecules that demand strong chemical stability and controlled release. Industrial processing requires close monitoring of reaction time and temperature, often under pressure, due to the reactive nature of the downstream synthesis steps. End users include national and multinational crop protection products manufacturers, where trace contaminants and reaction byproducts are stringently limited to comply with regional agricultural chemical regulations.

    Industry compliance standards

    • FAO/WHO specifications for pesticide active ingredients
    • China Institute for the Control of Agrochemicals, Ministry of Agriculture (ICAMA)
    • European Regulation (EC) No 1107/2009 for plant protection products
    • ISO 9001 and ISO 14001 systems for agrochemical production

    Typical usage ratio

    • 15–45% by molecular basis as an intermediate in specific synthetic routes
    • Determined by target compound’s structure and selected synthetic methodology

    Downstream process integration

    • Injected at the initial or mid-stage of the active ingredient synthesis in agitated reactor vessels
    • Reacted with chlorinated or sulfonated intermediates under controlled alkaline conditions
    • Subjected to purification and solvent exchange before formulation
    • Transferred as technical concentrate for final formulation into market-ready products

    Final product types

    • Herbicide technical concentrates (e.g., piperazine-derived urea herbicides)
    • Fungicide active ingredient intermediates
    • Pre-mix wettable powders and soluble concentrates
    • Ready-to-spray crop protection solutions

    5. Gas Processing: CO2 Capture Solvent Additive

    Manufacturers in natural gas treatment and flue gas cleaning employ piperazine as a high-performance accelerator additive in amine-based CO2 capture solvents. Its incorporation enhances absorption kinetics and increases operational capacity of monoethanolamine (MEA) or blended amine scrubbing systems. The integration point is the upstream solvent preparation, where piperazine purity and low secondary amine content are critical for long-term system stability and environmental discharge compliance. With global emission norms tightening, precise dosage and contaminant profiling are enforced throughout operations.

    Industry compliance standards

    • API Recommended Practices for Gas Processing
    • ISO 14064 Greenhouse Gas Management
    • Local environmental discharge regulations (e.g. US EPA, EU Industrial Emissions Directive)
    • Operator-specific solvent management protocols

    Typical usage ratio

    • ~2–10% by weight in amine solvent blends for CO2 absorption
    • Optimized via pilot trials for mass transfer rates, with periodic adjustment in continuous operation

    Downstream process integration

    • Blending into bulk amine solvent storage tanks prior to start-up
    • Continuous monitoring via inline sensors during gas sweetening or capture cycles
    • Periodic re-dosing based on solvent lifetime and analytical feedback
    • Maintenance protocols for residual amine removal and solvent reconditioning

    Final product types

    • MEAPZ (MEA-piperazine) scrubbing solutions
    • Enhanced amine absorption formulations for CO2 capture units
    • Industrial gas purification plants
    • Post-combustion flue gas cleaning systems

    6. Rubber Chemicals: Vulcanization Accelerator

    Producers of specialty rubber chemicals utilize piperazine as a precursor for synthesizing curing accelerators and anti-scorching agents in the manufacture of automotive, mining, and industrial rubber products. The synthesis targets fine-tuned latency and cure profiles to ensure high-performance elastomers. Quality assurance includes critical control of amine salt conversion and purity for downstream processing. The compound is introduced at the initial synthesis of accelerator batches, later compounded into rubber masterbatches before final shaping and vulcanization.

    Industry compliance standards

    • ASTM D4678 for rubber accelerator evaluation
    • ISO 9001 for specialty chemical production
    • REACH registration for EU market compliance
    • Customer-specific QC specifications for accelerator grade materials

    Typical usage ratio

    • Intermediate conversion; final rubber compound contains 0.3–2.5 phr of accelerator derived from piperazine
    • Varies with compound type, product performance requirements, and cure speed

    Downstream process integration

    • Initial precursor in accelerator synthesis under controlled reaction conditions
    • Purification and quality check before compounding
    • Direct addition to rubber mixing lines with elastomers, fillers, and other curatives
    • Extrusion or calendering followed by hot press vulcanization

    Final product types

    • Rubber accelerator masterbatches
    • Automobile and industrial tires
    • Conveyor belts and mining equipment pads
    • General-purpose molded and extruded rubber articles
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    Certification & Compliance
    More Introduction

    Piperazine: Direct from the Source

    What Piperazine Means to Us as Manufacturer

    As a chemical manufacturer with decades of experience at the reactors and batch lines, we see piperazine as more than a commodity—it's a foundation of several sectors that keep everything moving. The science that underpins its synthesis sits right at the crossroads of industrial skill and chemistry. Each drum and bulk shipment traces back to years of practical know-how, real people sweating the details every single day, ensuring purity, stability, and predictable quality. Our hands-on daily engagement with the process means we understand which production variables can swing a batch from good to world class. Over 30 years, feedback from our downstream customers and our own thorough lab analyses have left us with a product that stands apart in both purity and consistency.

    Piperazine (hexahydropyrazine) stands out as a building block for many uses. Customers in pharmaceuticals, water treatment, and agrochemicals all look for it because it offers a backbone that can be easily modified or used as-is for specific reactions. When customers reach out with demanding specifications, we have the in-house knowledge to make subtle tweaks during synthesis or purification so the end product hits those tight marks, whether in grain size, moisture content, or residual impurity profile. The goal is repeatability—so once you validate a batch, every new delivery performs to the same standard.

    Our Experience with Piperazine Grades

    Over years of production, we've seen different grades demanded by different sectors. Most of the time, our standard model falls within the range of 99%+ purity for anhydrous piperazine, offered as white crystalline flakes or granules to suit downstream processing needs. We maintain moisture levels below 0.5%, with a focus on minimizing related pyrazines and other nitrogenous byproducts that can interfere in sensitive synthesis, such as in pharmaceutical intermediates. Whether we're producing 25kg bags for smaller formulation operations or loading tankers for industrial-scale facilities, our batch records and analytical logs allow for backward tracing and tight quality control.

    Those who work closely with pharma know that impurities—even at a level below 0.1%—can pose a major headache in later steps. Our purification process strips away those stubborn outliers. We use dedicated vessels and columns that don’t cross-contaminate jobs. This close monitoring is why our crystallinity and melt points don’t wander between shipments.

    Key Applications and the Science Behind Usage

    Chemists prize piperazine for its reactivity and the straightforward way it takes part in reactions. In antihelmintic drugs, it disables parasitic muscle function and has served as the basis for classic formulations for decades. In more complex syntheses, such as active pharmaceutical ingredients (APIs), it acts as a useful secondary amine and linker. Our technical team frequently consults with our clients’ chemists, walking through how certain impurity profiles or minor contaminants—traced right back to subtle variations in feedstock or reaction time—can influence final biological performance.

    In water treatment, customers look for reliably granular piperazine that can blend easily with other corrosion inhibitors or anti-scaling compounds. Many municipal treatment plants select our product because the consistent physical form ensures smooth handling by dosing pumps. Chlorine and other byproducts in water treatment can interact with many chemicals, so it is crucial for operators that piperazine never carries batch-to-batch variability in reactive residues.

    Agricultural formulators know that the active amine groups in piperazine work as stabilizers or activators in certain pesticide blends. Here, low moisture content and proper storage conditions are critical, as wet product can degrade faster or clump in automated feeders. Our logistics and packing team have developed a drum and bagging process that controls humidity right up until the moment of sealing.

    The Details that Set Our Piperazine Apart

    One thing we’ve learned through thousands of tons produced: buyers want the full picture. We go beyond purity and moisture, running GC-MS and HPLC screens for trace-level byproducts. As a result, no customer ever opens a shipment and finds surprises that weren't on the spec sheet. For any intended use—be it an intermediate in a complex API, or a functional ingredient in water plant additive—the hazard of unexpected reaction products is minimal.

    We do not source our raw materials from mixed streams or questionable suppliers. Every piperazine batch originates from a clearly documented supply chain, which not only meets but exceeds the requirements for pharmaceuticals and food-related uses. We know that isolated runs and single-use equipment make a measurable difference. Experienced teams monitor each stage — from hydrogenation through to final packaging — cross-checking against validated reference standards.

    How We See the Market: Genuine Differences from Commercial Blends and Third-Party Supplies

    Many commercial traders offer piperazine pulled from bulk contracts or as byproduct of other processes. We have taken deliveries of such samples in our own labs, breaking them down for assay. Time and again, the biggest difference we find is in the unpredictable impurity load. Our fully integrated setup avoids the chop-and-change tendencies of brokered lots. Third-party intermediaries often cannot guarantee that last-mile handling kept moisture low, or that stock rotations haven’t introduced material aged past its best.

    Piperazine from our reactors does not contain stabilizers or dispersants. Each container includes only what is specified, with a shelf life that remains consistent thanks to controlled storage and minimal handling. Industrial users tell us this makes blending and scale-up tasks easier, since they do not have to account for “unknowns” coming from the residue of recycled packaging or mixed-use warehouses.

    Addressing Real-World Challenges in Piperazine Production

    A big part of our job comes down to solving stubborn production puzzles. Batch-to-batch reproducibility is a concept you hear often, but achieving that on a real plant floor—in the face of heat, pressure swings, and feedstock variability—requires practical vigilance. Our operations staff includes engineers and chemists with the experience to spot deviation before it causes larger problems. Each shift follows process-control checks that have evolved over years, often based on lessons learned the hard way.

    Cleaning and maintenance cycles for production units dictate output rates, but also product appearance and purity. We design our shut-down and cleaning routines specifically for the challenges presented by nitrogen-rich chemicals. This prevents off-color batches and the kind of "shop-floor contamination" that can enter unnoticed in lower-control environments.

    By running routine stability studies and real-world storage simulations—something we started after customer feedback on long overseas shipments—we make sure the piperazine arrives in the same condition as it left the factory. Years ago, a major client flagged bag “yellowing” that we traced back to trace oxidizers from washing procedures. We changed detergents and cycle times, and the quality complaints dropped to zero.

    Customer Feedback Loops

    There’s theory, then there is field reality. Our engineers field calls every week—someone had a batch go cloudy, another saw a solidification issue in their dust-free system. These conversations feed straight back into our batch logs and drive update cycles for our SOPs. The best insights often come from regular users who see what happens many months after production, during storage and final-use phases.

    Plant managers who use our piperazine as a feedstock reach out for technical advice on temperature ramps and the influence of product age on solubility. Many confide that prior suppliers dodged these questions or lacked a foundation to troubleshoot. Because we run every process in-house, we deal with those same headaches and can suggest practical steps, such as minor pH adjustments or blending protocols, that make a visible difference on a full scale.

    Product Consistency and Documentation

    Over years, we have learned never to overlook documentation. Every batch of piperazine carries not just a datasheet but a detailed narrative—namely, the history of its manufacture, including the identity of the raw materials, the exact production path, and the responsible shift team. Only a manufacturer who runs the integrative process from molecule to drum can verify origin, purity, and stability so thoroughly. Customers regularly request these records during audits, and our openness supports their own regulatory and quality obligations.

    We work closely with regulatory affairs experts to maintain product dossiers for critical grade applications. Supporting modern E-E-A-T principles is part of our regular workflow, backed up by open-source documentation and third-party validations. We believe experienced operators who have seen the evolution of piperazine demand can anticipate customer requirements and deliver supporting documents faster than the chain-link communication seen with trading houses.

    Working at Scale: Environmental and Safety Responsibility

    Piperazine synthesis and purification demand close adherence to safety and environmental stewardship. We continually invest in capture technologies for nitrogen-containing waste streams and have fully enclosed transfer lines. Long before new waste regulations surfaced in our region, we had already built a scrubber system based on our own assessment of process risks. Our teams maintain full transparency with environmental authorities, and our daily operations include in-house wastewater analysis.

    Worker safety is another area where batch manufacturing best practices matter. From the PPE used in handling hot reactors, to the time-of-flight analyzers in the quality lab, each decision comes from first-hand experience of what works and what fails. We draw upon a history of close calls, lessons learned, and an ongoing willingness to invest in improvements. The result is a track record—measured not in marketing brochures, but in hours worked without incident and in returning skilled staff.

    Ongoing Investment in Product Quality and Customer Trust

    Markets never stand still. Over the years, we've adapted our process to handle scale-ups, improved yield, and even smaller energy footprints. Annual reviews lead to new investments—ranging from inline moisture monitors to automated storage. Each new piece of kit is vetted by team members who've battled downtime firsthand. The human element—operators who have loaded drums in freezing weather or braved equipment breakdowns at midnight—cannot be overstated. Consistent piperazine quality depends on real-world experience, not just lab data points.

    In serving repeat customers, we find their growing trust not by price alone, but by standing behind every drum shipped. Problems can and sometimes do arise. What sets us apart is the speed and candor with which we address them. Repeat technical consultations and swift corrective actions have more value than polished sales pitches. This honest approach improves loyalty and minimizes the frustration of production hiccups on both ends.

    The Wider Impact—Why Piperazine Matters Beyond the Sale

    As the manufacturer, we meet many stakeholders—regulatory bodies, environmental auditors, plant engineers, pharmacists, and municipal operators. The consistent quality of piperazine in their processes translates to safer drugs, efficient water treatment, and resilient ag formulas further down the chain. Our responsibility extends beyond the immediate sale. When someone uses our product, the reliability of their finished product depends on the foundation we supply.

    In the pharmaceutical industry, reliable intermediates cut timelines and help keep essential medicines available, even when market pressures and global logistics get tight. In water treatment, our product contributes to cleaner safe water, supporting infrastructure growth. Agrochemical users count on us to supply the feedstock for blends that support food security worldwide. This broad impact guides the daily decisions we make on the shop floor.

    Comparisons—How In-House Manufacturing Beats Commodity Supply

    Buyers often ask why direct-from-manufacturer piperazine commands a premium compared to brokered or bulk-mixed lots. Here’s our answer: control at every stage. We decide which raw materials go in, how each process runs, and who signs off on release. Nobody is standing between us and the customer with vague promises or cut-corners. This means we can respond to special requests—for example, a customer needing certified absence of certain byproducts, or wanting extra assurance on API traceability.

    Brokered supply can work for lots with looser requirements. But when the time comes for precision and reliability, our integrated approach pays dividends. We have every sample on file for years, so questions about batch-to-batch differences are quickly resolved. This level of security simply is not possible when the product has shuffled through half a dozen hands before arriving at the end user.

    Looking Ahead: Responding to Regulatory Changes and New Markets

    We stay closely attuned to shifting regulations in pharmaceuticals and other industries that use piperazine. Our regulatory teams monitor global and local law changes affecting acceptable impurity levels, documentation requirements, and permissible production processes. By running regular internal training, we keep everyone on the same page, ready to respond to new compliance demands. Our agility gives downstream customers confidence that documentation and product standards won’t slip as regulations evolve.

    New applications continue to emerge as research unlocks new functionality for piperazine. Sometimes, it’s a new reactant for advanced polymers; other times, it is a tweak to water treatment chemistry that needs ultra-low metal content. Our willingness to run pilot batches, document every tweak, and support qualification runs makes us a favorite among small and mid-sized innovators looking to scale bright ideas into practical products.

    Practical Solutions Rooted in Manufacturing Intelligence

    The biggest lessons from our years of piperazine production relate to process discipline and constant learning. Customers look not just for a chemical, but for a process they can rely on season after season. We listen to direct feedback from the plant floor and the lab, racing to apply those insights to the next batch. Our repairs, upgrades, reevaluations, and recalibrations never fully stop, because conditions and demands never stop changing.

    We believe that those who live every day with the chemistry, wear the hard hats, and get their hands dirty are better placed to recognize what actually matters. From routine moisture checks to technical support after delivery, we see our job as ongoing, not transactional. If users find issues—be it caking, sudden color change, or solubility drift—we are always ready to problem-solve, backed by the authority that only years on the factory floor can bring.

    Conclusion—The Real Value of Manufacturer-Sourced Piperazine

    Choosing piperazine directly from a manufacturing operation, rather than a reseller or bulk trader, means receiving a product shaped by genuine knowledge, careful processes, and continuous improvement. Our piperazine does more than meet specifications—it represents the work, accountability, and pride of every person behind the process. It is a foundation built on real-world results, tailored for users who measure success in practical, daily gains. For those wanting more than just a chemical, but a partner invested in quality and reliability, our doors, and ears, are always open.