Hubei Xingfa Chemicals Group Co., Ltd
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Dicalcium Phosphate

    • Product Name: Dicalcium Phosphate
    • Chemical Name (IUPAC): Calcium hydrogenphosphate
    • CAS No.: 7757-93-9
    • Chemical Formula: CaHPO4
    • Form/Physical State: White Powder
    • Factroy Site: No.58 Gaoyang avenue, Gufu town, Xingshan county, Yichang, Hubei, China
    • Price Inquiry: sales3@liwei-chem.com
    • Manufacturer: Hubei Xingfa Chemicals Group Co., Ltd
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    Specifications

    HS Code

    723640

    Chemical Formula CaHPO4
    Molecular Weight 136.06 g/mol
    Appearance white powder
    Solubility In Water slightly soluble
    Density 2.92 g/cm³
    Ph Value 6.5 - 7.5 (10% suspension)
    Odor odorless
    Cas Number 7757-93-9
    Synonyms calcium hydrogen phosphate, dibasic calcium phosphate
    Stability stable under normal conditions
    Main Uses dietary supplement, fertilizer, food additive
    Taste slightly chalky

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

    Packing & Storage
    Packing Dicalcium Phosphate is packaged in 25 kg white polyethylene bags with blue labeling, featuring product details, batch number, and manufacturer information.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Dicalcium Phosphate typically holds 25-27 metric tons, packed in 25- or 50-kg bags, securely palletized.
    Shipping Dicalcium phosphate is typically shipped in 25- or 50-kg bags, lined or woven, or in bulk containers. It should be stored in a dry, well-ventilated place, away from moisture and incompatible substances. Transport should comply with local regulations, ensuring packages are securely sealed to prevent spillage or contamination.
    Storage Dicalcium phosphate should be stored in a cool, dry, and well-ventilated area, away from moisture and incompatible substances like strong acids. Containers should be tightly closed and clearly labeled to prevent contamination. The storage area must be kept clean and free of dust, with minimal exposure to direct sunlight and temperature extremes to preserve product quality and stability.
    Shelf Life Dicalcium Phosphate typically has a shelf life of 2–3 years when stored in a cool, dry, and tightly sealed container.
    Application of Dicalcium Phosphate

    Purity 98%: Dicalcium Phosphate Purity 98% is used in pharmaceutical tablet formulations, where it ensures consistent compressibility and tablet hardness.

    Particle Size 325 mesh: Dicalcium Phosphate Particle Size 325 mesh is used in animal feed premixes, where it enables uniform dispersion and optimal nutrient bioavailability.

    Stability Temperature 300°C: Dicalcium Phosphate Stability Temperature 300°C is used in high-temperature food processing, where it maintains compound integrity without decomposition.

    Moisture Content <5%: Dicalcium Phosphate Moisture Content <5% is used in dental care abrasives, where it improves shelf-life and reduces clumping.

    Bulk Density 0.7 g/cm³: Dicalcium Phosphate Bulk Density 0.7 g/cm³ is used in powder blending processes, where it facilitates effective material handling and mixing consistency.

    pH Range 6.5–7.5: Dicalcium Phosphate pH Range 6.5–7.5 is used in dietary supplement manufacturing, where it preserves active ingredient stability.

    Assay ≥95%: Dicalcium Phosphate Assay ≥95% is used in infant formula production, where it delivers reliable calcium and phosphorus supplementation.

    Water Insoluble Fraction <1%: Dicalcium Phosphate Water Insoluble Fraction <1% is used in beverage fortification, where it minimizes sedimentation and enhances clarity.

    Granule Size 0.2–0.5 mm: Dicalcium Phosphate Granule Size 0.2–0.5 mm is used in fertilizer applications, where it promotes controlled nutrient release and absorption.

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    Certification & Compliance
    More Introduction

    Dicalcium Phosphate: Building Trust from a Manufacturer’s Viewpoint

    Real-world Experience Shaping Every Batch

    Every ton of dicalcium phosphate that leaves our plant comes from a manufacturer shaped by decades of witnessing shifting customer needs, end-use demands, and industry regulations. This is not just powder measured and packed by equipment—it reflects thousands of hours on the production floor, trial adjustments, troubleshooting, and listening to direct user feedback about what really matters in daily operations.

    The Model: What We Actually Make

    We manufacture granular and powder forms of dicalcium phosphate, typically listed as DCP18 (feed grade at around 18% phosphorous content) and pure grades for specialized industrial use. Our approach centers on achieving steady mineral content, absence of unwanted residues, consistent flow during mixing, and reliable compatibility with the most common compounding ingredients. These traits can’t just be ticked on a specification sheet; they have to show up day after day on customers’ mixing floors and in their product performance. We have seen that meeting these standards helps manufacturers and farmers reduce batch failure rates and address nutrition requirements with more confidence.

    Setting Dicalcium Phosphate Apart from Other Phosphate Salts

    Years of collaboration with users in animal nutrition, fertilizer blending, and household product makers have taught us that dicalcium phosphate doesn’t behave like mono- or tricalcium phosphate. Feed-millers, for instance, prefer DCP18 over monocalcium phosphate in laying hen and broiler applications for its blend of phosphorus bioavailability and calcium content. It doesn’t clump as quickly as some other salts under humid conditions, which matters in large-volume storage. It interacts with trace supplements without producing unwanted reactions, which cuts the risk of negative nutritional interactions. In the context of mineral feed additives, this means less trouble with caking, off-odors, and mixing errors. We’ve consistently seen that feeding trials confirm the more predictable performance of balanced calcium and phosphorus, compared to alternatives with less stable ratios.

    From an industrial perspective, dicalcium phosphate’s less aggressive reactivity compared to monocalcium versions makes it more suitable for some tableting operations in pharmaceutical manufacturing and as a gentle whitening agent in certain toothpaste formulas. We’ve watched many customers return to this grade after trials with other phosphates that caused more rapid corrosion or instability in their formulations. The chemical nature of each phosphate salt forces equipment and users to adapt—so delivering a truly stable, time-tested DCP allows users to stick with equipment and processes they already trust.

    Why Purity and Consistency Keep Coming Up

    Every batch we make has to earn trust, not just pass a piece of paper. We built our purification chain to address what we’ve found matters most: low heavy metal content and absence of fluorides above tight thresholds. If suppliers cut corners upstream, we see direct impacts in downstream granulation and end-use results. For a feed operation, higher impurities can mean rejected product batches or regulatory headaches. In dental care products or pharmaceuticals, the risk grows even bigger, with demands for documentation and trace analysis. We see it in the field: when a soil amendment carries a poor impurity profile, growers get stunted yields or regulatory pushback. Doing real testing, sharing full lab data, and inviting customer representatives to audit makes a visible difference in repeat buying and transparency with regulatory bodies.

    Responsibility and Traceability from Source to Output

    Sourcing high-quality rock phosphate, handling acids with precision, and managing waste streams keep showing up as the biggest leverage points. We spent years refining our reactor setups and waste acid management simply because operators in the plant flagged recurring issues. In the early days, one missed process step or overlooked buildup could shut down a batch or contaminate it beyond use. Our quality assurance protocols grew out of a need to give every customer, from a regional animal feed mill to a multinational pharma house, a real answer about where their additives originated and what risk controls we employ. Direct partnerships with mines give us more predictability and avoid last-minute deviations caused by changing supplier blends.

    We often get questions about traceability not as a regulatory box-ticking exercise, but because someone, somewhere, encountered a problem batch from another supplier. Our approach is simple: by keeping the entire chain under internal control, and being willing to share records and test results, we build real trust—especially when we back it with public audit results whenever possible. The feedback from end users, be it poultry vet clinics or global nutritionists, shapes how we evolve our analytical capabilities and documentation standards.

    On-Site and Real-World Utility: Observing Customer Challenges

    There’s also a tangible difference between what a specification promises and what a product actually does in real-world handling—something that can only be grasped by seeing how customers use our DCP. In the feed industry, workers need a material that doesn’t powder too much or cause dust problems, as excessive dust can result in material loss, respiratory concerns, and difficulty achieving mix homogeneity. We adapted our granulation technology because repeated feedback told us that mill operators wanted less waste and reduced clean-up costs. Maintaining the right moisture level has proved essential—drier doesn’t always mean better if it creates handling problems at scale.

    For smaller producers, predictable dosing and compatibility with common feed mixers supports efficiency and batch accuracy. Over years, we’ve seen customers struggle with fluctuating density or variable grain size from competitors. That’s why shifting from old manual screening to real-time monitoring produced results that customers could see quickly—fewer set-up changes, fewer feeding errors, and steadier final product performance.

    Comparing DCP with Alternatives: Learnings from the Value Chain

    Over time, some customers have weighed the trade-offs of DCP versus mono- or tricalcium alternatives. Monocalcium usually brings higher phosphorus availability, yet it can react more sharply with basic trace materials. This can be a headache during mixing or storage. Tricalcium may look cheaper based on calcium content, but its low phosphorus availability greatly restricts its use in animal nutrition; we’ve watched customers lose yield in egg production or growth cycles by chasing less expensive options. DCP hits a middle ground for many, offering both strong phosphorus content and enough calcium to contribute to bone and eggshell development, especially where soil or feedstock lacks natural minerals.

    In fertilizer blends, DCP avoids some of the runoff and volatility issues seen with more soluble phosphate sources. From the factory perspective, this means less environmental load and happier downstream regulators, something we know matters to large-scale growers under evolving nutrient management mandates. On the pharmaceutical side, DCP’s robust safety and steadiness with most excipients makes it the backbone for tablet formation and controlled-release products. High flowability and easy compressibility have emerged as the main reasons customers stick with reliable DCP grades after testing other fillers or binders.

    Implementing Solutions from Experience

    Persistent feedback from real users has driven changes in how we manufacture and supply DCP. Instead of sticking to batch-by-batch adjustments, we invested in continuous process control, which lets us catch deviations early. This shift improved consistency. Where we once saw wide variation in product lots, now the chemical profile stays within very tight limits, reducing mixing problems for compounders. We decided to build our own logistics team after watching too many late deliveries impact customers’ production schedules—if one delivery delay holds up feed mixing or formulation, our customers eat the extra cost, and so do we in the form of lost trust. These hard-earned lessons shape how we choose transport partners and how we package the final material, aiming to cut contamination risk all the way through the final hand-off.

    One recurring theme is regulatory shifts. Each change brings a new round of tests, certifications, and paperwork, sometimes on tight deadlines. Having direct access to in-house labs and maintaining open lines to accredited third-party labs allows us to move faster than companies who outsource testing or only check product on a schedule. Clients’ compliance teams need direct verification for their own regulatory filings, and our willingness to share underlying data has repeatedly been a differentiator. We see that the more open we are, the smoother the downstream regulatory process goes for our users, whether it’s a regional audit or a global registration.

    Listening to End-Users: Innovations Big and Small

    Customers keep pushing us to be better. Small feed mills want bag formats that cut lifting hazards, while larger operations prefer bulk delivery without the risk of caking or bridging in storage bins. The key has been meeting these needs by reworking packaging lines and adding anti-caking agents that don’t interfere with mineral content. In pharmaceuticals, buyers press for finer grading and ultra-low impurity counts, so we brought in upgraded classifiers and extra refinement steps—because after a single contamination incident, the whole batch can be lost, and everyone in the chain pays for it.

    We routinely work with labs and customers to test DCP in new applications, such as direct compressible tablet grades, water-dispersible formats for fortification, or blends tailored for soil pH adjustment, always checking for hidden downstream effects. Once, a specialty toothpaste customer showed us how even slight differences in crystal structure could shift the mouthfeel or suspension of their product—real-world discoveries we’d never have made inside just the factory.

    The Human Factor and Training in Production

    Technology and chemistry only deliver part of the story—the skill of operators and production teams matter just as much. Over time, we’ve learned the best process tweaks often come from operators who notice trend changes in moisture, granule size, or flow—details that make a night-and-day difference downstream but don’t always appear on standard test reports. Consistently updating training, involving everyone in quality checks, and rewarding those who find high-impact improvements keep morale up and drive real results. High retention among talented plant workers has directly improved batch consistency and efficiency for us.

    Balancing Sustainability and Production Demand

    As users expect greener supply chains, manufacturing DCP puts the spotlight on energy use, water management, and waste recovery. We manage acid waste streams through on-site neutralization and water treatment, which cuts down environmental risk and regulatory complications. This hands-on strategy came from watching teams spend weeks sorting out compliance issues in the past—training staff to spot problems early and investing in closed-loop systems makes more of a difference over time than off-the-shelf compliance software ever could.

    Customers increasingly want proof their minerals don’t contribute to heavy metal pollution or unsustainable mining. Closing the gap between raw material sourcing and finished product lets us answer tough questions from procurement teams, food safety auditors, and even end consumers. Implementing upstream tracing has led to closer partnerships with suppliers dedicated to responsible mining, ensuring that the product we ship reflects the values and requirements of the people and communities who ultimately rely on it.

    Facing Tomorrow’s Challenges as a Responsible Manufacturer

    Each day brings new demands on the DCP supply chain—stricter safety thresholds, climate impact mandates, new uses in feed and food. Face-to-face dialogue with users remains the best source of innovation. When a poultry integrator reports better shell strength with our DCP than a competitor’s, or a global toothpaste company finds our grade results in fewer rejects, it proves that a focus on real, on-the-ground performance can’t be replaced by paperwork or buzzwords. Quality and trust are not just marketing terms; they’re the result of paying attention, investing in people and process, and learning from mistakes.

    Manufacturing and supplying dicalcium phosphate brings opportunities to improve animal nutrition, support healthy crop yields, and provide safer options for human products. From regulatory compliance to customer-driven changes in packaging and delivery, every step reflects a shared stake in safety and sustainability. As we continue producing every batch, we stay grounded in real user concerns, peer review, and the lessons learned on the factory floor, so the DCP arriving at your door stands for more than a label: it carries a story of practical experience, reliability, and a constant effort to do better.