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Guanidinium Sulphate

    • Product Name Guanidinium Sulphate
    • Alias guanidinium-sulphate
    • Einecs 209-812-1
    • 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

    921170

    Chemical Name Guanidinium Sulphate
    Molecular Formula (NH2)2CNH2·H2SO4
    Molar Mass 132.14 g/mol
    Appearance White crystalline powder
    Solubility In Water Highly soluble
    Melting Point Decomposes upon heating
    Cas Number 2482-00-0
    Ph Of 1 Solution Approximately 5.9
    Odor Odorless
    Density 1.43 g/cm³
    Stability Stable under recommended storage conditions
    Storage Temperature Room temperature
    Synonyms Guanidine sulphate
    Applications Protein denaturant, fertilizer intermediate
    Ec Number 219-617-3

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

    Packing & Storage
    Packing White plastic bottle labeled "Guanidinium Sulphate, 500g," featuring hazard symbols, batch number, manufacturer details, tightly sealed with tamper-evident cap.
    Shipping Guanidinium Sulphate should be shipped in tightly sealed containers, protected from moisture and incompatible substances. Store and transport in a cool, dry place, following local regulations. Label appropriately as a chemical substance. Handle with suitable personal protective equipment to avoid inhalation, ingestion, or contact with skin and eyes.
    Storage Guanidinium sulphate should be stored in a tightly closed container in a cool, dry, and well-ventilated area away from moisture and incompatible substances such as strong oxidizers. Keep away from direct sunlight and sources of ignition. The storage area should be clearly labeled, with measures in place to prevent spills and contamination. Always follow institutional and regulatory guidelines for chemical storage.
    Application of Guanidinium Sulphate

    Applications of Guanidinium Sulphate in Industrial Manufacturing

    As a direct manufacturer of guanidinium sulphate, we supply this essential chemical intermediate to key sectors that demand consistent quality and regulatory compliance. With a focus on the precise requirements of industrial customers, we highlight here the major downstream industries and distinctive application scenarios where guanidinium sulphate plays a critical role in formulation and processing.

    1. Protein Denaturant in Diagnostic Reagents Manufacturing

    Diagnostic manufacturers utilize guanidinium sulphate as a potent protein denaturant and chaotropic agent in the formulation of specimen lysis buffers for DNA/RNA extraction kits, including molecular diagnostic panels and sample preparation products. Regulatory requirements for diagnostic chemicals mandate traceability, purity, and contaminant control. End-users tailor addition rates based on the kit design and targeted nucleic acid types, optimizing efficacy while preserving sample integrity. During downstream production, the compound dissolves under controlled mixing to ensure homogeneous buffer systems, supporting consistent nucleic acid release and reliable downstream analysis.

    Industry compliance standards

    • ISO 13485:2016 certification (Medical Devices—Quality Management Systems)
    • CLSI GP42 guidelines for diagnostic reagent quality
    • Relevant Reach and RoHS for chemical safety
    • Internal QC per application-specific protocols

    Typical usage ratio

    • Commonly 1–4 M guanidinium sulphate (approximately 12–48% w/v), with exact concentration adjusted based on nucleic acid yield and compatibility with sample matrices

    Downstream process integration

    • Directly dissolving into lysis buffer component tanks under automated or manual stirring
    • Formulation step prior to filler dosing into reagent vials or kits

    Final product types

    • Nucleic acid extraction kits
    • PCR reagents and buffer solutions
    • Clinical sample preparation kits for IVD use

    2. Precipitant for Protein Isolation in Biopharmaceutical Manufacturing

    Biologics producers incorporate guanidinium sulphate during protein purification workflows to facilitate selective precipitation, especially for antibodies, enzymes, and other therapeutic proteins. The compound provides a highly controlled chaotropic effect, which disrupts hydrogen bonding and allows for precise fractionation under scalable cleanroom batch protocols. Manufacturers align material traceability and process safety with stringent biopharmaceutical regulatory norms to assure patient safety and therapeutic integrity.

    Industry compliance standards

    • EU GMP Annex 1 for sterile production
    • US Pharmacopeia (USP) <1078> for pharmaceutical water and buffer ingredients
    • ICH Q7 for APIs and biotechnological production

    Typical usage ratio

    • Applied at 1–3 molar concentration (approx. 12–36% w/v), determined by protein solubility testing and downstream purification scheme

    Downstream process integration

    • Stepwise addition post-harvest, during primary protein extraction from fermentation broths or cell lysates
    • Inclusion as a selective precipitant immediately upstream of chromatography columns

    Final product types

    • Therapeutic monoclonal antibodies (mAbs)
    • Recombinant protein drugs
    • Enzyme preparations for medical applications

    3. Additive in Flame Retardant Formulations for Plastics and Textiles

    Industrial formulators introduce guanidinium sulphate as an additive in flame retardant systems, especially for textiles and engineering plastics subject to fire-safety certification. Its high nitrogen content and chemical structure support synergistic char formation and inhibit combustion, particularly in intumescent formulations. Manufacturers balance the loading level for regulatory performance, process stability, and physical properties of the finished goods, ensuring reliable flame resistance without sacrificing mechanical standards or color fastness.

    Industry compliance standards

    • EN 13501-1 (European classification for fire behavior of building products)
    • NFPA 701 (Standard Methods of Fire Tests for Flame Propagation of Textiles)
    • REACH compliance on additive registration

    Typical usage ratio

    • Formulations typically include 5–15 wt% relative to polymer or textile base, with tuning based on matrix compatibility and targeted ignition resistance

    Downstream process integration

    • Dry blending into polymer granules or powder prior to melt compounding
    • Impregnation of fabrics or nonwovens in aqueous solution baths during textile finishing lines

    Final product types

    • Treated upholstery fabrics
    • Flame-retardant polypropylene or polyamide components
    • Protective apparel and curtains

    4. Intermediate for Agrochemical Synthesis (Herbicides and Plant Protection Compounds)

    Major agrochemical companies utilize guanidinium sulphate as a controlled intermediate during the synthesis of specific herbicide active ingredients and plant protection agents. Its purity and contaminant profile must be consistent with globally recognized agrochemical and worker safety regulations. Reaction engineers dose it into multistep production lines designed for high-yield conversion, where traceability and batch record-keeping interface directly with environmental and downstream formulation standards.

    Industry compliance standards

    • FAO/WHO Specification for agricultural chemical intermediates
    • ISO 9001:2015 quality management system
    • REACH registration for agrochemical raw materials

    Typical usage ratio

    • Used as stoichiometric reactant, typically adjusted per synthesis protocol; representative input is 0.8–1.2 mol equivalent to targeted herbicidal structure

    Downstream process integration

    • Inline dosing into pre-reactor vessels for active ingredient synthesis steps
    • Participation in catalytic transamination or condensation reactions, as mapped by process chemists

    Final product types

    • Sulfonylurea herbicides
    • Advanced plant growth regulators
    • Other formulated crop protection agents

    5. Precipitation Aid in Metal Surface Treatment and Electroplating

    Metal finishing specialists employ guanidinium sulphate to enhance precipitation of undesired ions and improve bath stability in surface treatment and electroplating operations. The compound assists in removing contaminants, particularly iron and copper, contributing to the uniformity and adhesion of plated coatings. Processing engineers control its introduction to ensure compliance with environmental discharge regulations and maintain quality in continuously operated plating lines.

    Industry compliance standards

    • ISO 9001:2015 for industrial plating quality
    • EN ISO 9227 (Corrosion tests in artificial atmospheres)
    • Local environmental discharge and effluent regulations for plating operations

    Typical usage ratio

    • Added at 0.5–2% by weight of bath mass, calibrated via pilot bath trials and effluent monitoring results

    Downstream process integration

    • Metered into cleaning or conditioning baths upstream of main metal deposition steps
    • Supplied as batch or inline additive for waste ion precipitation between rinse and finish steps

    Final product types

    • Electroplated steel components
    • Printed circuit boards with clean copper tracks
    • Decorative and anti-corrosive coatings
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    Certification & Compliance
    More Introduction

    Guanidinium Sulphate: More Than a Niche Reagent

    Rolling up your sleeves in chemical manufacturing, you learn quickly which products deserve respect for their reliability. Guanidinium sulphate, for us, has proven its grit across demanding batches and strict standards, and it earns its place not through buzzwords but sheer consistency. Produced at scale with our own purpose-built systems, our guanidinium sulphate leaves the line high in purity, low in by-products, and packaged ready for use without the odd surprises that throw off downstream applications.

    Model and Specifications: The Numbers That Matter

    Decades on the plant floor teach you that chasing paper specifications alone rarely satisfies a process engineer or a lab scientist. Customers ask about the reality in each drum. Our most trusted grade typically clocks in at over 99% purity, measured by standardized techniques instead of shortcuts. Moisture content is tightly controlled, as excess water shifts weights and complicates formulations. The solid form, usually as crystalline powder, stays free-flowing without aggressive anti-caking agents because proper drying and gentle handling make a real difference. Impurities like chlorides and heavy metals remain far below relevant thresholds for all but the most sensitive applications. We don’t lean on generic certificates—we know batch-to-batch uniformity determines whether your reactor gives consistent yields or headaches.

    Granule size? Particle fineness? These don’t just give a nice appearance; customers in fine chemicals and analytical labs report fewer clumping or weighing errors thanks to our careful milling and sieving. End users in water treatment and biomass processing comment that stable flow speeds up their dosing routines, trimming downtime. Transparency on trace impurity content—measured regularly using third-party labs—reassures purchasing and quality teams that there’s nothing lurking under the surface of a white powder.

    A Manufacturer’s View on Usage: Why Every Batch Counts

    Guanidinium sulphate draws interest from far more than one sector, which keeps the product on our main lines year-round. Some see it principally as a strong protein denaturant. For those running extraction protocols in genomics or protein purification, even a minor slip in product quality shows up as blunted peaks and lost yields. We field questions from lab managers and bench scientists about lot consistency, knowing that a single poorly-made batch distorts days of careful work. Our operators run extra control points when processing for these clients, confirming that each lot dissolves cleanly and doesn’t introduce unknown variables.

    Beyond life sciences, we supply to specialty fertilizer blenders and niche water treatment outfits. Here, the question is less about molecular biology and more about practical dosing, quick solubility in varied pH conditions, and predictable results. Guanidinium sulphate’s high nitrogen content—about 21%—gives it a valuable edge over many traditional ammonium sources, especially when formulating controlled-release blends. Agronomists know the difference between theoretical nutrient value and what actually remains plant-available after processing. They push for materials that avoid excess sodium (catastrophic for many crops), and our process specifically avoids cross-contamination from sodium-based starting reagents.

    As a reducing agent or stabilizer in specialty synthesis, customers often need to be sure their raw material won’t introduce side reactions. Pharmaceutical and fine chemical teams share notes back with us about how our product reduces batch rejection rates when used as a counterion or buffer additive. We work with these teams directly, adjusting process steps and sometimes tailoring the drying profile to maximize reactivity or flow.

    The Differences that Really Matter

    From the manufacturer’s seat, market competition offers plenty of “guanidinium salts.” We see the confusion right away—sometimes customers approach us after frustration with unreliable sources that turn out to be intermediate resellers or unknown traders. Product that’s been repackaged half a dozen times usually shows up with vague labels, missing lot numbers, and varying performance—a nightmare for audits and certifications.

    Other guanidinium salts show up in different forms—take guanidinium chloride, which is another standard in DNA extraction. But that chloride ion brings its own quirks. Many biotech producers avoid chlorides because of instrumentation corrosion or regulatory bans. Sulphate is both less aggressive and compatible with a wider range of final products, giving regulatory officers fewer headaches during compliance checks.

    Price almost always enters the discussion, as clients are pressed to justify every premium. Guanidinium sulphate sometimes comes at a small markup compared to the base chloride, but cost of use often tips in its favor: lower risk of contamination, less technology loss, and fewer batch recalls. If you factor in the hidden costs—delays, secondary purification, troubleshooting nonconforming batches—customers gain more value than the up-front price might suggest. Our technical sales and support teams walk new customers through these choices, relying on field experience rather than just pushing data sheets.

    Environmental safety officers find themselves weighing the impact of by-products and waste. Guanidinium sulphate has a strong record here, with fewer issues relating to aquatic toxicity or land disposal compared to certain metal salts or organics. Solubility is rapid in both deionized and tap water, allowing for clean dilution and minimal agitation energy. Many downstream users note that filtration steps stay faster and less prone to clogging than when using more viscous or impurity-heavy denaturants.

    Focus on Safety and Traceability

    Running a manufacturing operation that produces tens of metric tons of product a week doesn’t leave room for shortcuts. Traceability, in our line of work, isn’t a paper exercise for ISO audits—it’s a tool we rely on to keep issues contained. Every drum and bag carries a direct link back to process time, operator report, feedstock batch, and QC checkpoint. If a client’s downstream process runs into unexpected foaming or solubility hiccups, we can track the source within hours, not days. That’s only possible because we handle both synthesis and finishing in-house—no outsourced mystery blending or shipping half-finished intermediates.

    Safety data flows with the product—our investment in modern hazard containment and staff training means customers receive product handled under tightly-controlled exposure standards. Handling guanidinium salts demands respect: dust controls, proper PPE, and loading integrity are all non-negotiable. We invest in dedicated feed lines and automated cleaning, so cross-contamination never leaves the raw material silo. Customers report easier risk reviews after switching from batch-sourced pellets to our consistently monitored powder, eliminating headaches during their own S.H.E. audits.

    Supporting the Innovators: Feedback from Real-World Use

    Scientific progress—whether in medicine, crop science, or sustainable chemicals—leans on raw materials that perform predictably. Guanidinium sulphate lands in the hands of R&D techs building tomorrow’s nucleic acid tests and enzyme kits, as well as field engineers tinkering with new plant nutrient blends. We listen to stories from bench scientists who describe tough extractions finally working cleanly after troubleshooting reagent quality, and from specialty fertilizer producers who tell us that their customers notice more consistent field performance.

    We welcome feedback both positive and negative; improvements usually start with a story from someone who took the time to test a new protocol or stretch the product beyond textbook use. Those innovations often push us to refine process steps, from upgrade of crystallization tanks to tweaks in filtration sequence. That feedback loop—challenging but honest—undergirds the improvements we bring into every batch. Our process managers meet at the close of every quarter to review customer notes and audit failures, with the goal of stripping out process variance and locking in best practices.

    The Hidden Cost of Cut Corners: Lessons from the Field

    Over the years, we have been called to troubleshoot process failures at customer sites where unreliable guanidinium sulphate caused chain reactions—stalled production, failing QC, and even supply contract penalties. One molecule out of spec means oxidizers interact poorly, proteins denature unpredictably, and flow rates shift. Recoveries often require more than just a quick product swap. We’ve seen teams scramble to identify which batch caused the loss, only to find sourcing documentation too thin or intermediaries untraceable. Every mishap reinforces the lesson: in specialty chemicals, value is measured by reliability under real conditions, not just cost per kilogram.

    One equipment manufacturer shared how guanidinium sulphate’s steadier solubility profile allowed their automated blenders to run without clogging, lowering downtime and dropped cycles. In a different domain, a life sciences company managed to cut purification steps by a third, simply by transition to our higher-purity variant. Every story has the same undercurrent: minimal surprises, tight control, and direct lines of communication with the plant that made your batch.

    Navigating Regulation and Environmental Pressure

    Regulatory compliance shapes every step in the specialty chemicals sector. Whether supplying for medical research, industrial water treatment, or premium agriculture, changes in legislation or emerging safety studies ripple back fast. Guanidinium sulphate offers reliability here because its hazards and fate have been studied for decades, and we continually re-certify with updated documentation and third-party audits. Customers frequently request not only specs but thorough test records, toxicology summaries, and compliance data sheets for newer markets or stricter trade regions.

    Environmental drivers, too, affect choices. Several provinces recently tightened limits on persistent organic pollutants and recoverable nitrogen—both key compliance points for guanidinium compounds. Our plant responded with process modifications to reduce effluent nitrogen and invest in recovery systems, so that we can assure customers about both the carbon footprint and recyclability of product containers. Some sustainability audits now require exact cradle-to-gate documentation for every product—something third-party traders can’t always deliver. With our integrated operation, customers can obtain direct chain of custody and environmental impact data for their entire purchase order.

    Building for the Future: What We’re Learning

    Trends toward high-throughput molecular biology, personalized medicine, and specialty waste remediation will keep pushing expectations for guanidinium sulphate even higher. Practices that once sufficed—loose blending, anonymous drums, erratic testing—fall short in today’s regulated, data-driven environments. As the manufacturer, we’re learning that real success doesn’t rest on making a single “good” batch, but on building supply relationships grounded in technical transparency and a willingness to learn.

    Lab managers today look for manufacturers able to support both rapid prototyping and ongoing supply, even as demand spikes or supply chains suffer. We build inventory buffers based on repeat usage forecasts, not just speculation, and run routine stress-testing on warehouse lots to ensure shelf stability. When a client runs into a new analytical test or discovers an unknown impurity in another supplier’s lot, our technical team doesn’t need weeks to respond. Our continual process improvement lets us deliver variant grades for pilot projects—in volumes that suit trial testing—alongside mainline commercial lots.

    Our investment in onsite analytical labs reinforces confidence in what leaves our tanks. We maintain a full run of HPLC, FTIR, and XRF assays to support customer audits. Not every project needs the same grade; some clients optimize for raw input cost, while others demand the lowest possible trace contaminants. Open communication between customer R&D and our production techs enables the right match every time, without wasted time sourcing or clarifying product origin.

    Choosing the Right Manufacturer: Core Differences in Practice

    Not everyone in the market for guanidinium sulphate wants the same thing—lowest price, best purity, or fastest lead time. Cutting through the noise requires experience, and manufacturers like us who own both synthesis and downstream finishing bring a level of control resellers can’t match. Questions about feedstock source, process route, traceability, and safety handling have simple answers because the entire operation runs under one roof.

    Direct feedback from our process control room helps us see where invest in plant improvements, whether it’s a new batch reactor, improved dust control, or real-time impurity mapping in finished product. Onboarding new clients rarely stops at price negotiation; our account managers dive into technical needs, audit plant tours, and provide detailed process walk-throughs that show our real operational discipline.

    Batch quality, compliance, and process responsiveness set the foundation for every long-term supply contract. Customers in medical diagnostics report that stability and purity save them from batch recalls, while industrial buyers tell us that tight flow control lets them scale blending cycles up with less hardware wear. Rooted in operator experience and plant-level accountability, we’ve built feedback loops that highlight even rare edge-case failures, letting us tweak operations before customers ever feel the impact.

    Our Commitment

    Guanidinium sulphate production isn’t glamorous. Keeping a steady, high-purity product in countless bags and drums means constant attention to detail and a cultural intolerance for shortcuts. We stay in regular contact with customers across the world—process engineers, lab techs, and R&D managers—to adapt and anticipate evolving needs. Open lines, transparent process data, and willingness to acknowledge issues as they arise—the basics, done steadily, are what deliver real value in every shipment.

    If you’re in the market for a supplier who values quality no matter your industry, we’re ready to connect. Our guanidinium sulphate isn’t a commodity; it’s the result of years of learning together with the people who use it every day. Mistakes cost more than dollars—they chip away at trust. And in our world, nothing matters more than knowing each bag or drum does what it’s supposed to, whenever and wherever you need it.