Products

Sodium Persulfate

    • Product Name: Sodium Persulfate
    • Chemical Name (IUPAC): Sodium peroxodisulfate
    • CAS No.: 7775-27-1
    • Chemical Formula: Na₂S₂O₈
    • Form/Physical State: Solid
    • Factroy Site: Qinghai Salt Lake Industry Co., Ltd., 28 huanghe road, Golmud City, Qinghai Province
    • Price Inquiry: sales3@liwei-chem.com
    • Manufacturer: Qinghai Salt Lake Industry Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    293730

    Chemicalname Sodium Persulfate
    Chemicalformula Na2S2O8
    Molarmass 238.10 g/mol
    Appearance White, crystalline solid
    Odor Odorless
    Meltingpoint 180 °C (decomposes)
    Solubilityinwater 73 g/100 mL (20 °C)
    Density 2.59 g/cm³
    Casnumber 7775-27-1
    Ph 2.5–3.0 (50 g/L, H2O, 20 °C)
    Boilingpoint Decomposes before boiling
    Stability Stable under recommended storage conditions, decomposes on heating
    Hazardclass Oxidizing agent, irritant
    Unnumber 1505

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

    Packing & Storage
    Packing Sodium Persulfate is packaged in a 25 kg white plastic drum with a tightly sealed lid, labeled with hazard and handling information.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Sodium Persulfate: Typically loads 20 metric tons, packaged in 25kg bags on pallets, maximizing safety and stability.
    Shipping Sodium persulfate should be shipped in tightly sealed, corrosion-resistant containers to prevent moisture absorption. It is classified as an oxidizer and should be handled according to hazardous materials regulations, avoiding contact with organic materials and combustibles. Store and transport away from heat, flames, and incompatible substances, following all relevant local and international shipping requirements.
    Storage Sodium persulfate should be stored in a cool, dry, well-ventilated area away from heat, moisture, and sources of ignition. Keep the container tightly closed and protect it from direct sunlight. Store separately from combustible materials, reducing agents, and organic substances. Avoid storing near acids and bases. Ensure proper labeling and use non-reactive containers, such as those made from plastic or glass.
    Shelf Life Sodium persulfate typically has a shelf life of about 2 years when stored in a cool, dry, and well-sealed container.
    Application of Sodium Persulfate

    Purity 99%: Sodium Persulfate with 99% purity is used in printed circuit board etching, where it ensures precise and uniform copper dissolution.

    Particle Size <25μm: Sodium Persulfate with particle size below 25μm is used in cosmetic formulations, where it enables efficient bleaching action and easy solubility.

    Stability Temperature 50°C: Sodium Persulfate with a stability temperature of 50°C is used in polymerization initiators, where it provides consistent and controlled free radical generation.

    Molecular Weight 238.1 g/mol: Sodium Persulfate with a molecular weight of 238.1 g/mol is used in wastewater treatment, where it facilitates effective oxidation of organic contaminants.

    Aqueous Solution Concentration 20%: Sodium Persulfate at 20% aqueous concentration is used in textile desizing, where it improves fabric preparation and dye uptake.

    Granular Form: Sodium Persulfate in granular form is used in soil remediation, where it offers easy handling and rapid contaminant degradation.

    Low Moisture Content <0.5%: Sodium Persulfate with moisture content below 0.5% is used in industrial cleaning, where it maintains optimal reactivity and shelf life.

    Melting Point 180°C: Sodium Persulfate with a melting point of 180°C is used in synthesis of persulfate salts, where it guarantees thermal stability during processing.

    Free Quote

    Competitive Sodium Persulfate prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@liwei-chem.com

    Get Free Quote of Qinghai Salt Lake Industry Co., Ltd

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Sodium Persulfate: A Reliable Solution for Oxidation Processes

    Understanding Sodium Persulfate at Its Core

    From the production floor to the finished product, sodium persulfate has become one of the most versatile and powerful oxidizing agents used across a range of industries. Working daily with this compound, our team has seen its remarkable performance, especially in applications where a strong and predictable oxidation reaction is needed. Whether we're preparing a shipment for electronics manufacturers or mixing custom batches for wastewater treatment plants, we look at sodium persulfate less as a commodity and more as a cornerstone in modern chemical processing.

    Key Specifications That Matter in the Real World

    We typically manufacture sodium persulfate with a purity of 99% minimum, which means our customers receive a dependable, high-performance material that minimizes unpredictable results. The material appears as a white, crystalline powder. Moisture control stands at the forefront of our packaging process since moisture can degrade the compound and lead to caking or reduced oxidizing power. Our operators run regular checks for both purity and moisture content, because field experience teaches us that neglect in packaging or handling can affect not only chemical reactions but also shelf life and safety.

    Unlike some oxidants that release strong fumes or present delicate stability issues, sodium persulfate has earned its keep thanks to its relatively stable storage profile. It doesn’t give off an offensive odor, and it resists decomposition at ordinary room temperatures as long as it stays dry. This stability sets it apart from alternatives like hydrogen peroxide, which can gas off rapidly, and potassium permanganate, which stains everything it touches and demands cautious handling. Since our operation focuses on direct manufacturing, we witness the entire life cycle of this material—from raw ingredient testing to final product audits—helping us spot and eliminate sources of contamination that could interrupt our clients’ production lines.

    Where Sodium Persulfate Performs Best

    No product stays in demand unless it adds real value. In our experience, sodium persulfate’s success boils down to its wide application range and consistent results. We get frequent requests from etchers and printed circuit board producers who appreciate the fine-grained control that sodium persulfate provides for copper etching. Unlike ferric chloride, sodium persulfate leaves minimal residue and supports precise patterning—an advantage for electronics where even a minor mistake can ruin a batch.

    Textile plants often turn to us for sodium persulfate to help in desizing and bleaching. They want bright, consistent fabrics without harsh yellowing or fiber damage, which can happen when using stronger or less selective agents. Our customers in the cosmetics field look for sodium persulfate because it can reliably lighten hair without producing excessive heat or unexpected chemical side effects; it stays active under gentle conditions and doesn’t introduce the same sharp odors found with hypochlorites or peroxides.

    When it comes to environmental applications, sodium persulfate serves as a backbone in soil remediation and wastewater treatment projects. It breaks down organic pollutants, including those that prove stubborn under other treatments, with controllable kinetics and minimal by-products. We regularly work alongside engineers managing contaminated sites and waste streams; their preference for sodium persulfate often comes down to its blend of safety and potency. Since we oversee our product’s quality from start to finish, we rarely receive reports about unwanted metals or impurities causing problems down the line—something that can occur when using lower-grade or off-specification materials from less rigorous sources.

    Direct Experiences Shaping Better Manufacturing

    Running a manufacturing plant means daily challenges: humidity spikes, equipment calibration, and constant regulatory scrutiny. We've learned to maintain a strict focus on crystal morphology and dryness. Even a slight drift in temperature or an unnoticed micro-leak in our dryers can yield clumpy material—rendering the batch hard to measure and dissolve. Every irregularity is a lesson. Our technical teams recalibrate equipment after every cleaning, while lab analysts check pH, particle size, and visual clarity during production runs. All of this effort aims to give customers the advantage of easy handling and prompt reactivity in their own processes.

    Quality control isn't a slogan; it’s an ongoing discipline. We test outgoing shipments for trace organic contaminants and monitor heavy metal content, since sodium persulfate often ends up in critical applications where “clean” chemistry is essential. Direct experience tells us that the slightest contaminant can throw off an electroplating bath or add hours to a remediation project. We invest in high-sensitivity analytical equipment and routinely update against industry benchmarks, aiming to exceed—not just meet—stringent industry and environmental regulations.

    Balancing Power and Safety

    As a direct producer, we face an ongoing challenge: balancing sodium persulfate’s powerful oxidative potential with the practical realities of worker safety. Our plant operators receive hands-on training in safe transfer, open-vessel handling, and spill containment. Clean-up kits are strategically placed and staff learn by doing—dilution techniques, neutralization practices, and real-world emergency drills form part of daily routine. Lessons from incidents in the chemical industry inform our safety protocols. We design and audit our plant so employees can handle the material confidently, with proper ventilation and personal protective equipment enforced at all times.

    Sodium persulfate does not emit fumes in solid form, but dust can irritate skin and eyes, so we utilize enclosed handling systems wherever possible. Regular ventilation checks, air filtration, and worker health monitoring are built into our operations. There’s no skipping basics—MSDS updates, toolbox talks, and safety walk-throughs remain part of company culture. Industry regulation often lags behind best practices; our field knowledge encourages us to anticipate hazards rather than simply respond to them.

    Comparisons to Other Oxidizers Based on Processing Experience

    Many users ask about the differences between sodium persulfate and its close chemical relatives, most commonly ammonium persulfate and potassium persulfate. Chemical similarities run deep, but practical distinctions mean everything for proper application. Sodium persulfate’s moderate solubility in water gives operators a good balance between reaction speed and control; ammonium persulfate dissolves faster, but can introduce unwanted ammonia residues that compromise environmental and process purity. Potassium persulfate has the slowest dissolution, which can pose problems in high-throughput settings. Across many customer sites, we’ve seen sodium persulfate deliver better yields and more manageable waste streams.

    For copper etching, sodium persulfate offers cleaner reaction profiles compared to ferric chloride—no insoluble sludge, less handling complexity, and easier wastewater treatment. Ferric chloride carries a strong odor and corrosion risk for equipment, both of which sodium persulfate minimizes. Our operators have also found that sodium persulfate’s by-products present fewer disposal headaches. Environmental teams overseeing remediation choose sodium persulfate for its straightforward breakdown into sulfate and sodium ions, which tend not to pose secondary pollution challenges. It’s those downstream implications—equipment longevity, waste management ease, product consistency—that guide us and our partners toward sodium persulfate whenever a strong, manageable oxidation is required.

    Challenges and Solutions from the Manufacturer’s Perspective

    Producing high-purity sodium persulfate is a continuous process of improvement. Atmospheric moisture can be a constant enemy, especially in humid months, threatening both storage and effective packaging. Our teams have implemented dehumidification measures in storage and filling rooms, investing in redundancy to prevent even short-term lapses in climate control. Material leaves our factory in sealed, moisture-proof packaging, but even before that, every transfer step takes place within conditioned environments to protect against clumping or premature decomposition.

    From a production engineer’s vantage, avoiding cross-contamination is a never-ending responsibility. Sodium persulfate shares common process lines with other inorganic oxidizers at some plants. We developed and refined equipment cleaning procedures that go beyond the recommended minimum—acid rinses, high-flow water flushes, and unit-specific passivation every time a batch changes. We engineer these steps because even trace contaminants from previous runs can affect sensitive applications like microelectronics or fine chemical synthesis. We take pride in frequent customer feedback that consistently points out the cleanliness and uniformity of our material, which helps them keep downstream issues at bay.

    On the supply chain side, sodium persulfate poses some unique challenges owing to its strong reactivity. We partner with logistics specialists who understand how heat buildup during transit can trigger slow decomposition. Summer shipping requires additional insulation and fast-tracked freight methods. We have invested in climate data tracking for our transport partners and run “worst-case scenario” simulations each year to anticipate potential weaknesses. Each successful transit deepens trust from our buyers—they know we treat their shipments with the same care we apply to our own facility.

    Meeting Sustainability Demands through Continuous Innovation

    Customers and regulators increasingly prioritize environmental footprint and traceability, not just technical performance. We see these expectations as opportunities for innovation, not obstacles. For years, we have recaptured hydrogen and oxygen gases from upstream processes, minimizing waste and maximizing efficiency. We work to recover spent persulfate solutions on-site or through specialized partners, turning what would be hazardous waste into potentially useful feedstock.

    We encourage bulk deliveries wherever possible, reducing packaging waste and lowering the number of overall shipments. Our engineers are evaluating new crystallization technology to cut energy usage in final drying steps. Every incremental gain in resource efficiency contributes real-world benefit—not just for our own cost control, but for our client's project budgets and environmental reporting.

    Our teams actively monitor global trends in green chemistry and are participating in pilot programs for recyclable or biodegradable packaging—technology not yet industry-standard, but on its way. We seek feedback from clients on handling and end-of-life disposal. Plant managers and safety officers appreciate our willingness to listen and respond in practical terms, shaping future upgrades. Only by understanding life in the field can we anticipate the real needs of those relying on us.

    Building Expertise Step by Step

    Manufacturing sodium persulfate means balancing chemical theory with sweat-and-grit experience. We watch every small detail—from particle uniformity to reactivity curves—because the smallest inconsistency in the factory can mean big headaches in the customer’s application. Knowing the ins and outs of how this material behaves, clumps, dissolves, and reacts allows us to build a product that users trust even in unforgiving industries. Even something as modest as how well our product scoops and pours compared to imported alternatives becomes important for batch consistency and workplace safety.

    Dealing directly with clients across laboratories and factories has built expertise layer by layer. Process engineers ask about scalability—can sodium persulfate handle the jump from beaker to tank without surprises? Based on repeated scale-up trials, our process team can confidently say yes, provided users follow practical guidelines for gradual addition, agitation, and temperature management. Each year, industry standards tighten, and we adjust our protocols, retrain staff, and update documentation to keep pace or stay a step ahead.

    In troubleshooting technical problems—unexpected pH drifts, color changes in solution, or odd vessel deposits—direct feedback from regular users proves more valuable than any textbook. We value open dialogue, and invite plant chemists and operators to share their reports so we can adapt our production, answer with facts, and offer workarounds that address the root causes. Our commitment isn’t just to product quality, but to making the manufacturer-user relationship as seamless as possible. In this business, trust grows batch by batch, and every kilogram that leaves our gate reflects all the lessons and care that come before it.

    Conclusion: Sodium Persulfate as Part of Progress

    Taking the long view, sodium persulfate remains one of the unsung heroes in industrial chemistry. Not because it’s the most glamorous or marketable material, but because it helps our customers meet targets, solve challenges, and innovate in fields as diverse as electronics, textiles, cosmetics, and environmental remediation. Every improvement we make in purity, safety, and consistency helps them achieve their goals—whether that’s finer electronics, cleaner water, or brighter fabrics.

    Drawing from years of direct experience, we built systems and standards that keep sodium persulfate a reliable tool for industries facing unpredictable demands and ever-tightening quality expectations. Our commitment is not just to ship a product, but to support every stage from procurement through implementation to final results. Working alongside our clients—listening, adapting, and learning—makes us more than manufacturers. It makes us trusted partners in the ongoing journey of modern chemical manufacturing.