Products

Sodium Pyrophosphate Decahydrate

    • Product Name: Sodium Pyrophosphate Decahydrate
    • Chemical Name (IUPAC): Sodium diphosphate decahydrate
    • CAS No.: 13472-36-1
    • Chemical Formula: Na4P2O7·10H2O
    • Form/Physical State: Solid
    • Factroy Site: No.70 Danzishi Street,Nanan District,Chongqing,China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Chongqing Chuandong Chemical (Group) Co., Ltd
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    Specifications

    HS Code

    990804

    Chemical Name Sodium Pyrophosphate Decahydrate
    Chemical Formula Na4P2O7·10H2O
    Molar Mass 446.06 g/mol
    Appearance Colorless or white crystalline solid
    Solubility In Water Easily soluble
    Density 1.73 g/cm³
    Cas Number 231-767-1
    Ph Approximately 10.2 (1% solution)
    Odor Odorless

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

    Packing & Storage
    Packing The chemical is packaged in a white, moisture-proof 25 kg plastic drum with a blue lid, featuring hazard and content labels.
    Container Loading (20′ FCL) Sodium Pyrophosphate Decahydrate 20’ FCL: typically packed in 25kg bags, 22-24 metric tons net per container, palletized or loose.
    Shipping Sodium Pyrophosphate Decahydrate is shipped in tightly sealed, chemically resistant containers to prevent moisture absorption and contamination. Packaging complies with regulations for non-hazardous chemical transport. Containers are clearly labeled, and shipments should be stored and handled in a cool, dry environment away from acids and incompatible materials to ensure product integrity.
    Storage Sodium Pyrophosphate Decahydrate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area. Keep it away from incompatible substances such as strong acids. Protect the chemical from moisture and humidity. Store at room temperature and avoid direct sunlight. Ensure containers are clearly labeled to prevent accidental misuse or contamination.
    Shelf Life Sodium Pyrophosphate Decahydrate typically has a shelf life of 2 years when stored in cool, dry, and tightly sealed conditions.
    Application of Sodium Pyrophosphate Decahydrate

    Purity 98%: Sodium Pyrophosphate Decahydrate with 98% purity is used in detergent formulations, where it enhances cleaning efficiency and sequestrant performance.

    Stability Temperature 60°C: Sodium Pyrophosphate Decahydrate with stability at 60°C is used in metal surface treatment, where it maintains effective chelation and scale inhibition at elevated process temperatures.

    Particle Size 150 µm: Sodium Pyrophosphate Decahydrate with 150 µm particle size is used in ceramic manufacturing, where it ensures uniform dispersion and improved workability in slip casting bodies.

    pH 10.0 (1% solution): Sodium Pyrophosphate Decahydrate with a pH of 10.0 in 1% solution is used in food processing as an emulsifying agent, where it optimizes protein solubilization and texture.

    Water Solubility 220 g/L: Sodium Pyrophosphate Decahydrate with water solubility of 220 g/L is used in water treatment, where it promotes rapid dissolution and efficient scale prevention.

    Molecular Weight 446.06 g/mol: Sodium Pyrophosphate Decahydrate with molecular weight of 446.06 g/mol is used in electroplating baths, where it provides consistent complexation and metal ion control.

    Heavy Metal Content <10 ppm: Sodium Pyrophosphate Decahydrate with heavy metal content less than 10 ppm is used in pharmaceuticals, where it ensures product safety and compliance with regulatory standards.

    Melting Point 55°C: Sodium Pyrophosphate Decahydrate with a melting point of 55°C is used in textile processing, where it facilitates low-temperature operations and effective wetting.

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    Certification & Compliance
    More Introduction

    Sodium Pyrophosphate Decahydrate: Practical Experience from the Production Floor

    Value in Everyday Chemical Work

    Around here, we handle thousands of tons of basic chemicals each year for food, water treatment, ceramics, detergents, and more. Among the ones we produce, sodium pyrophosphate decahydrate stands out because of how it solves problems right on the shop floor. We deal with it almost daily. In chemical plants, if you need a buffering agent or an emulsifier, this product steps right in and handles the job reliably. It carries a neat crystalline structure and contains ten water molecules for every sodium pyrophosphate unit, which makes it easier to dissolve and integrate during compounding. That water content isn’t just a statistic—during reactions and blending, it means less dust, less static, and quicker mixing compared to anhydrous or tetrahydrate grades. Every day we see operations moving faster and fewer clogs in feeders, especially in humid seasons.

    Physical Features We Watch

    We monitor the purity on every batch. Sodium pyrophosphate decahydrate usually arrives as colorless or slightly white crystals with a slightly alkaline smell. The decahydrate grade stays reasonably stable in cool, sealed containers but, in warm or very dry storage, it slowly loses water if you leave it too long. We ship most of it within two months of manufacture for that exact reason. Solubility meets the needs of mixing lines and spray-drying, as the decahydrate dissolves faster than anhydrous. In our own compounding tank, we get clear solutions without the need for heavy agitation or pre-wetting, a small detail that spares operators plenty of hassle and time.

    High Purity in Every Sack

    Over years of running the reactors, we’ve dialed product purity to above 99% Na4P2O7·10H2O on dry basis, with very tight control of insoluble matter and heavy metals. Plant QA teams regularly confirm assay and pH. Trace calcium, iron, and heavy metals drop far below maximums set by big end users in the food and ceramic sectors. Powdery fines get screened out so customers aren’t left scooping clouds of dust. We also learned many detergents plants hate stray phosphate odors, so we chase down every off-flavor. With water content consistently around 55–57%, every 1000 kilogram sack carries a predictable yield whether it’s heading for a mixing vat or a conveyor belt.

    Real Questions from Customers

    Direct feedback lands on our desks all the time. Large food processors often ask us about allergen and microbiological status. We’ve put every batch through microbial testing and allergen assessments, as buyers in the food industry press us about cross-contamination or processing residue. Our own lines for sodium pyrophosphate decahydrate have no crossover with dairy, gluten, shellfish, or other common allergens. Recent questions about PFAS or “forever chemicals” have surfaced; these substances never touch our raw material stream or manufacturing system.

    Model Types and Custom Needs

    Most demand lines up with a simple, high-purity model in either coarse or fine granulation, suitable for fast dissolution or automated dosing. For larger operations, we set up 25-kg bags, 1000-kg big bags, or even shelf-stable drums size. In ceramics or water treatment, our users sometimes ask for anti-caking grades or screened particle size distributions. For these, our plant switches screens or dryers to target the exact needs. Where long journeys or humid dockside storage become issues, the team adds stabilizers or double-layer packaging. These aren’t just tweaks—they solve specific headaches in warehouse management and dosing lines that no distributor would catch.

    Bread, Cheese, and Meat Processing: How Processors Use the Product

    Take bread as an example. Large bakeries add sodium pyrophosphate decahydrate to their dough mixes to adjust pH and strengthen gluten, which means better loaf structure and longer shelf life. It acts as a buffer, balancing acidulants like glucono delta-lactone or sodium acid pyrophosphate. The decahydrate grain disperses uniformly in dry mixes, so there’s no risk of clumping or uneven reactions in big industrial blenders. In processed cheeses, it helps emulsify milk proteins and create a stable, sliceable texture by keeping fats and water bound together during heating. Meat processors add it to bind water and improve texture in hams and sausages, which translates to higher yield and a juicier product. These benefits come not from generic “phosphate blends,” but from how our product interacts at specific stages—during kneading, extrusion, or emulsification according to the processor’s equipment and workflow.

    Detergents and Cleaning: The Workhorse Role

    Laundry and dishwashing detergent makers lean heavily on sodium pyrophosphate decahydrate as a water softener and dispersant. It chelates troublesome calcium and magnesium ions before they can deposit on fabrics or glassware. In older water systems or regions with very “hard” water, this product keeps washing results predictable. Large detergent plants run fast, with minimal manual intervention; clumpy or poorly dissolving phosphate derails the line, causing clean-up and lost production. Our granular decahydrate answers those problems directly—steady flow, quick solubility, low dust. For industrial cleaners, the material improves scale removal and keeps suspended solids from re-depositing. Feedback from operators points to smoother tank cleaning cycles and fewer blockages in dosing pumps, especially under heavy use or rapid batching.

    Ceramics and Industrial Production

    Sodium pyrophosphate decahydrate delivers value to ceramics manufacturers by dispersing clay and preventing unwanted agglomerations. Glaze houses rely on its dispersing action to control viscosity and improve the surface finish, especially with fast-firing or slip-casting processes. The decahydrate variant supplies the right balance of water for easy blending, so operators can avoid overdrying slurries. Glass factories value it in polishing compounds and even as a minor additive in some melting pots to reduce viscosity. In our plant, technical specialists from ceramics companies survey quality reports every quarter, checking for run-to-run consistency so their final product comes out right every time, even during year-to-year shifts in raw clay or changes in weather.

    Water Treatment: Backed by Lab Data and Operator Experience

    Municipal water plants and cooling tower operators apply sodium pyrophosphate decahydrate as a sequestrant and scale inhibitor. The product extracts iron, manganese, and calcium from solution, where they would otherwise stain pipes, form deposits, or disrupt chlorination. Operators need something that acts fast in cold and hot conditions, which this grade reliably provides. Since water plants can’t risk variable dosing or slow dissolving, the decahydrate offers consistency that anhydrous grades rarely match—especially in cold climate dosing tanks. Field service calls often uncover cheap or subpar grades in failing systems; our in-house team has spent years advising on cleaning protocols to restore water quality and prevent recurring buildup. It isn’t a one-size-fits-all chemical, and knowing the difference means fewer shut-downs and less customer complaint fallout.

    Distinguishing Features: How Decahydrate Compares to Other Sodium Pyrophosphate Grades

    Within sodium pyrophosphate offerings, the main comparison falls between the decahydrate, tetrahydrate, and anhydrous grades. Our operators notice the most during handling and dissolving. Decahydrate provides more predictable flow and dissolves with minimal stirring—rapid enough that full tanks require little operator supervision. The grain acts like a cushion against compaction, whereas anhydrous product packs tightly and forms “bricks” in storage that jam augers or valves. In hot, dry storage, decahydrate slowly converts, so we emphasize first-in, first-out logistics rather than opening storage silos and letting moisture drift.

    Where weight matters, some users reach for the anhydrous form since it delivers more phosphate per sack, but most of our food, ceramic, and cleaning clients value the ease and reliability of the decahydrate. It’s less likely to form hazardous dusts, and it introduces water that can replace or reduce other process inputs. In automatic dosing systems, we see fewer “bridges” or puffer clogs with decahydrate, cutting downtime and operator interventions.

    For markets where regulations limit phosphate levels, the difference between grades means careful calculations. In cleaner and detergent production, tighter formulas and automatic monitoring mean every bit of water and every impurity counts. That’s why decahydrate remains top choice for systems relying on accurate, repeatable dosing and fast dissolution.

    Quality is Not a Coincidence: Reflections from Production

    Our experience tells us that making a reliable sodium pyrophosphate decahydrate isn’t just adjusting temperatures and mixing powders. Each ton passes through closed reactors under careful temperature, pH, and agitation control, making sure crystals grow cleanly without unwanted inclusions or amorphous byproducts. Years spent working with food and detergent customers revealed points that matter most: lack of odor, low dust, absence of off-colors, freedom from cross-contamination. We faced times when a minor shift in feed quality caused shipment holds—down the chain, those small batch differences would have left customers dealing with unusable products and costly recalls. Regular plant audits and frequent technical reviews by customers help us keep our standards high. Employees know their work impacts everything from a city’s tap water to the sandwich bread on grocery shelves.

    Industry Shifts and Customer Trends

    Many customers push for products that work in automated or smart manufacturing lines. It isn’t enough to offer just a “chemical”—our technical staff answer dozens of inquiries every month on whether our decahydrate settles, compacts, or cakes in their auto-feed systems. We run supplemental blending and flow tests, then adjust granulometry or packaging to head off problems that don’t show up in standard specs. Over the last decade, rising environmental questions and tougher food and water safety requirements led to biannual product reassessments. We see more buyers asking about sustainability—whether our raw materials trace to licensed mines, whether our plant runs on renewable energy, if our packaging can be recycled. Our production incorporates local water treatment and heat recovery, both to protect the environment and to reduce costs for everyone in the supply chain.

    Safety Measures and Regulatory Demands

    Working with sodium pyrophosphate decahydrate means balancing efficient production with operator and end-user safety. We invest in dust extraction, sealed reactors, and employee training. Handling hot or dusty material carries known risks in chemical plants—so we enforce respiratory protection, glove use, and regular safety briefings. Downstream, large buyers often benchmark our safety protocols against international standards, tracking not only chemical composition but also batch traceability and lot documentation. We remain alert to evolving limits on phosphate levels, especially in European and North American detergent and food regulations. Real-time defluorination and heavy metal screening keep us ahead of typical QA problems. These controls cost time and money, but the results protect far more—in terms of shipments released without delays, customer relationships maintained, and compliance records kept clean.

    Practical Lessons: What We See on the Ground

    Over the years, plenty of customers tried to cut back on sodium pyrophosphate, searching for cheaper alternatives in water softening or cleaning. Most returned after running into problems with inconsistent cleaning, scaling, or hard-to-manage doughs and pastes. The decahydrate grade, with its balance of water and phosphate, emerges as a “trouble-shooter” chemical—one that solves more small headaches than its simple formula would suggest. Our technical department fields regular calls about conversions from anhydrous to decahydrate; each time, we guide through the implications on mass balance, water activity, and process flow, based on our own line data and troubleshooting experience.

    We find that plant engineers and production managers value stability as much as headline specifications. Anyone who’s worked with bridging, dusting, or slow-dissolving raw materials knows the cost of downtime or missed batches. With sodium pyrophosphate decahydrate, proper packaging, good handling protocols, and close coordination between supplier and user turn a commodity chemical into a smooth part of the production cycle.

    Solutions from Our Own Chemical Line

    Solving on-the-ground problems often means adjusting at the manufacturing stage. Moisture control matters most—too dry, and dust rises everywhere; too wet, and you invite cake formation. We invested in controlled drying and packaging with moisture barriers to keep product in target specification even after weeks at port or in a busy warehouse. We offer tested anti-caking solutions, not just by adding inert flow agents but by managing particle size and residence time on our line. It’s not just chemistry, but years watching how different batches behave in daily use—small insights, like how a humid night shift changes product flow, or how truck vibrations pack a sack and impact its unloading in another country.

    During technical support calls, we don’t only reference safety data sheets—we look up production records, delivery routes, and plant logs to trace any potential variation. Recent feedback from a water utility using decahydrate for sequestration showed how regional differences in water chemistry called for real-time blending and test dissolution—something an ordinary distributor wouldn’t spot, but that manufacturers with direct plant experience can answer.

    Continuous Innovation and Experience Sharing

    The chemical industry never stands still. We regularly update our own process parameters and collaborate with key customers to improve process safety, reduce loss, and cut down on waste. Each tweak in drying temperature, packaging form, or blending process follows from real customer requirements and hard-won lessons from our own maintenance and logistics teams. For example, by refining our screening and anti-caking process, we reduced blocked augers and sped up discharge for bulk buyers. This sort of practical improvement saves labor and prevents long-term damage to equipment downstream.

    We also host regular on-site audits and support technical training for large accounts. Many customers send their procurement or engineering teams to our production plant to see batch records, inspect product handling areas, and learn how sodium pyrophosphate decahydrate is actually made—this transparency keeps standards high and innovation steady.

    From the Plant to the End User: The Manufacturer’s Perspective

    Chemical manufacturing’s daily routine means constant evaluation of product quality, customer needs, and environmental impact. For sodium pyrophosphate decahydrate, the connection between production details and end-user performance is direct and visible. We’ve learned that even basic changes in drying cycles or storage conditions ripple through to bakery, ceramic, detergent, and water treatment outcomes. Thanks to regular customer discussions, on-site experience, and a hands-on approach to troubleshooting, our product supports efficient, clean, and reliable processes across many industries.

    For anyone evaluating sodium pyrophosphate decahydrate, the difference shows up not just in specs but in handling and in the stability of the final product. Our years in the field prove that when performance matters and efficiency is measured in smooth operations, the right grade of decahydrate answers the call without fuss.