Trisodium Citrate Dihydrate

    • Product Name: Trisodium Citrate Dihydrate
    • Chemical Name (IUPAC): trisodium 2-hydroxypropane-1,2,3-tricarboxylate dihydrate
    • CAS No.: 6132-04-3
    • Chemical Formula: Na3C6H5O7·2H2O
    • Form/Physical State: Crystalline solid
    • Factroy Site: 21F Block A No.66 Lvzhou South Road, Rizhao, Shandong, China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Rzbc (Juxian) Co., Ltd.
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    Specifications

    HS Code

    367691

    Chemical Name Trisodium Citrate Dihydrate
    Molecular Formula Na3C6H5O7·2H2O
    Molecular Weight 294.10 g/mol
    Appearance Colorless or white crystals or powder
    Odor Odorless
    Solubility In Water Freely soluble
    Ph 1 Percent Solution 7.5 - 9.0
    Melting Point 150°C (decomposes)
    Cas Number 6132-04-3
    Storage Conditions Store in a cool, dry place, tightly closed
    Synonyms Sodium citrate dihydrate, Citric acid trisodium salt dihydrate
    E Number E331

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

    Packing & Storage
    Packing 25 kg white plastic bag labeled “Trisodium Citrate Dihydrate,” featuring batch number, CAS: 6132-04-3, and manufacturer details.
    Container Loading (20′ FCL) 20′ FCL can typically load 25 metric tons of Trisodium Citrate Dihydrate, packed in 25kg bags on pallets or loose.
    Shipping Trisodium Citrate Dihydrate is shipped in tightly sealed, moisture-resistant bags or drums, typically made of HDPE or fiberboard with inner liners. Standard packaging sizes range from 25 kg bags to 1000 kg bulk bags. It should be transported in cool, dry conditions, away from incompatible substances and sources of moisture.
    Storage Trisodium Citrate Dihydrate should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as strong acids. Keep it away from direct sunlight and sources of heat. Ensure proper labeling and prevent contact with skin and eyes. Follow all relevant safety regulations and guidelines during storage.
    Shelf Life Trisodium Citrate Dihydrate has a typical shelf life of 3–5 years when stored in a cool, dry, tightly sealed container.
    Application of Trisodium Citrate Dihydrate

    Purity 99%: Trisodium Citrate Dihydrate with purity 99% is used in pharmaceutical formulation stabilization, where it ensures consistent drug efficacy and shelf-life.

    Particle Size <300 μm: Trisodium Citrate Dihydrate with particle size <300 μm is used in food additive blending, where it promotes uniform dispersion and rapid solubility.

    pH Buffer Range 7–9: Trisodium Citrate Dihydrate within a pH buffer range of 7–9 is used in biochemical analyses, where it maintains optimal enzymatic activity conditions.

    Moisture Content ≤12%: Trisodium Citrate Dihydrate with moisture content ≤12% is used in powdered beverages manufacturing, where it prevents caking and improves product stability.

    Stability Temperature up to 150°C: Trisodium Citrate Dihydrate with stability temperature up to 150°C is used in high-temperature food processing, where it retains its chelating capacity under heat.

    Heavy Metals <5 ppm: Trisodium Citrate Dihydrate with heavy metals less than 5 ppm is used in infant formula production, where it assures safety and compliance with regulatory standards.

    Molecular Weight 294.1 g/mol: Trisodium Citrate Dihydrate with molecular weight 294.1 g/mol is used in clinical laboratory reagents, where precise molarity calculations enable accurate diagnostic results.

    Bulk Density 0.8 g/cm³: Trisodium Citrate Dihydrate with bulk density 0.8 g/cm³ is used in tablet manufacturing, where optimal flow characteristics enhance compression efficiency.

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    Certification & Compliance
    More Introduction

    Trisodium Citrate Dihydrate: Unveiling Practical Value Direct from Our Plant

    Understanding Trisodium Citrate Dihydrate in Everyday Application

    Decades spent behind steaming stacks, steel reactors, and sacked pallets give us a certain reliability about Trisodium Citrate Dihydrate. Among sodium citrates, this product stands out with a clear crystalline appearance, neutral taste, and dependable ability to regulate acidity. We handle tons daily, closely monitoring granular flow, moisture pick-up, and purity levels batch after batch. Our team knows what this common food and industrial ingredient looks, feels, and behaves like at every step, whether drying, blending, or packaging it for shipment across the globe.

    End uses span a wide range of industries—food, beverage, personal care, pharmaceuticals, technical processes, water treatment, detergents, and more. The core of demand traces back to safe, efficient buffering and chelation. Each 50kg bag, sealed against moisture, leaves our facility with quality assurance in crystal clarity, absence of caking, neutral flavor, and absence of contaminants—simple, predictable results repeated in every load. Our own process control, audit trails and investments in culinary-grade stainless equipment help steer clear of the common off-colors or byproducts seen in less precise manufacturing.

    Model, Specifications, and Factory Know-How

    We manufacture Trisodium Citrate Dihydrate with the chemical formula Na3C6H5O7·2H2O and maintain a white crystalline finish. Particle size can range from coarse meal to a finer powder, shaped by the drying and milling stage. The product flows well, resists lump formation under proper storage, and dissolves readily in water. Most batches produced in our main reactor line reach over 99% assay by weight, as verified in routine titrations. Moisture content in finished Trisodium Citrate Dihydrate hovers between 11% and 13%, with tight tracking on the production floor through Karl Fischer analysis. Sulphated ash and heavy metals keep within safe food and pharma guidelines, thanks to careful selection of citric acid feedstock and sodium carbonate addition.

    We reject any tendency toward vague specs. Food manufacturers lean on our facility for products that deliver predictable pH control, with stable alkalinity across their batch cycles—whether emulsifying cheese, adjusting soda balance, or taming acidity in processed meats. Our records trace each pallet back to a precise charge and reactor run—nothing gets bagged unless purity, appearance, and assay fall in line with our declared range.

    Usage: The Perspective of a Factory Producer

    Customers and inspectors ask most often about practical handling. Stacked in our warehouse, Trisodium Citrate Dihydrate stays dry, free-flowing, and avoids caking for many months, due to careful moisture control and bagging systems. Dispensers in food plants depend on its reliable dissolution—our milling practices help eliminate chunkiness or slow mix times. Quality food color and transparency persist in soft drinks and syrups because our filtration and washing stages remove color-carrying residues.

    Pharmaceutical operations press for spotless, consistent crystals, as even slight deviations can disrupt buffer formulation or tableting. In medical contexts, sterility and trace element levels matter, so our team keeps a strict cleanroom protocol for this grade. In every sector, from industrial laundry to cosmetic surfactants, the traceability and batch consistency we build into the process translate into confidence for downstream processors. Our team stands by each outgoing lot, knowing that skip on washing or poor packing could trigger lumpiness, color, or flavor faults for downstream food and pharma producers.

    How Trisodium Citrate Dihydrate Compares to Other Citrate Products

    Across industries, buyers sometimes waver between Trisodium, Disodium, and Monosodium Citrate. Only Trisodium Citrate Dihydrate delivers the highest buffering range and consistent alkaline character needed for dairy, beverage, and technical formulations. Monosodium and disodium analogs draw special use when less alkali is needed or where a subtle shift in reaction rate is critical. Our firsthand data from plant-scale operations show that customers seeking stable pH in larger-batch cooking, sodium reduction in flavoring, and effective calcium chelation return to Trisodium Citrate Dihydrate batch after batch. Sodium ion content remains highest in this variant, which can steer certain clients to choose alternatives when reducing sodium labeling. Most mass-market beverages and candies stick with the pure trivalent form for consistent flavor and chemical behavior.

    Commercially, both the anhydrous and dihydrate forms circulate. Our plant specializes in the dihydrate for its improved handling and easier dissolution, proven on the shop floor and in customer kitchens. Anhydrous versions can draw moisture from warehouse air more aggressively and create lumps over time, especially in humid climates. Customers aiming to mix in aqueous media often stay with dihydrate thanks to its storage stability and predictable reconstitution. Even for industrial cleaners and water treatment plants, the dihydrate behaves with less fuss on-line, leaving process operators with fewer maintenance headaches and buildup.

    Quality, Safety, and Direct Manufacturer Perspective

    Manufacturing at high capacity keeps quality issues front-and-center. Citrate crystals that dry unevenly or cool too slowly tend to lump or lose transparency. Downstream clients flag these faults quickly in flavor tests, process turbidimeters, or compaction analyses in tableting. Having hands-on, end-to-end oversight over the process gives our team control not offered by third-party repackagers or traders. We filter and test in-house, using tasting, colorimetry, and conductivity in addition to standard chromatographic confirmation, because many problems only show up when the product is dissolved or cooked at scale. Packaging in lined, moisture-resistant sacks prevents rehydration and caking, keeping shelf life in line with large, mid-season turnovers common in food and drug mixing operations.

    From a safety standpoint, we keep a hazard log and compliance file on every export, tracking heavy metals, allergens, and cross-contamination with other sodium chemicals. Trisodium Citrate Dihydrate stays safe under normal use, with wide acceptance by WHO, FDA, and food safety agencies, but we invest in training and regular reviews to minimize dust exposure or accidental ingestion by operators. Our QC staff works shoulder-to-shoulder with operators to identify off-spec product before it leaves the warehouse, and we conduct random pack checks at customer sites to ensure the downstream result matches what our internal lab reports promised.

    Troubleshooting and Client Partnerships

    Plant engineers and production managers phone us regularly with mix and dissolution issues—too slow, too much dust, or hard water reducing clarity. Thanks to the continuous dialogue, we’ve improved crystal habit and particle size distribution to fit lockstep with fast-dissolving beverage lines, viscous dairy bases, or injectable buffers. Powder flow out of gravity hoppers sometimes slows in the rainy season; to counteract this, our R&D tuned drying temperatures, and shipping schedules steer product away from problem conditions.

    Many new customers expect all suppliers of Trisodium Citrate Dihydrate to deliver a homogeneous product. The reality is, variations in drying and washing protocol at origin lead to subtle but critical performance differences. We invite regular buyer audits because on-site viewing of our process—focusing on the acid feed tanks, sodium carbonate mixing, and direct-filtration steps—demonstrates how time spent there leads to sharp control of both major and trace components. Open documentation and test records help our downstream partners defend their quality systems in the face of regulatory or lawsuit scrutiny.

    The Role of Trisodium Citrate Dihydrate in a Shifting Global Market

    With every rise in food safety standards, demand increases for more rigorous traceability and tighter tolerance on contaminants. Countries raising regulatory bars for baby foods, clean-label beverages, and clinical compounds assess Trisodium Citrate Dihydrate harder than ever. Import screeners run purity and heavy metal tests at the dock, preferring lots with full record trails and direct manufacturer support. Conversely, in detergent and water softener markets, price and reliable shipment frequency dictate supply relationships. Fielding direct feedback from both high-purity, high-visibility buyers and low-margin industrial users keeps us vigilant for shifts in market expectation.

    Altering sodium content in public health recommendations has affected willingness to use trivalent sodium citrate. In snack foods, beverage bottlers, and ready meals, our clients sometimes shift towards lower sodium products or blend with potassium citrates. We supply both options, providing product differentiation straight from the source, so end-food composition can pivot as consumer nutrition guidelines shift. The wide pH buffering range of Trisodium Citrate Dihydrate guarantees a function that cannot be easily replaced without extensive reformulation or cost.

    Practical Advice for Storage and Use

    From experience, finished product quality changes dramatically based on warehouse environment. In regions with seasonal humidity spikes, every extra day of exposure can trigger caking or gradual hydration shifts. Our team advises all partners, from truck drivers to warehouse leads, to avoid stacking against leaking walls, and rotate stock within 12 months of arrival. Unopened bags kept dry and off the ground survive long overseas freight routes and customer unpacking if handled with sensible inventory rotation. For high-purity food and pharma uses, deviations in temperature or exposure increase the chance of visible clumps or odd odor, so we recommend climate control wherever possible.

    On the production floor, batch dissolution works best with controlled agitation. Pouring directly into a running water stream cuts mixing times and curbs dust. Our sifting and crushing lines ensure that no oversized granules slip through, which can cause stubborn undissolved particles in beverage plants or IV solutions. Drawing from continual customer feedback, our shipping and QA team tweaked bagging techniques and anti-static lining to make dispensing cleaner in automated environments.

    Building Trust Through Consistent, Traceable Output

    Manufacturing Trisodium Citrate Dihydrate isn’t just a chemical process—it’s a trust-building exercise with each shipment. Downstream failures aren’t forgotten; a single off-taste, undissolved mass, or incorrect labeling can halt a production line or trigger costly recalls. Our direct recipe control, careful staff training, and investments in new digital monitoring cut production disruptions and product nonconformance rates. This ongoing focus brings repeat business from multinational food, pharma, and technical clients who stake their own brands on our reliability.

    Year after year, third-party labs and client auditors review our process with a fine-tooth comb, confirming no cross-contamination or shortcutting on wash steps. We maintain an internal database of complaints and near-misses, using these as teaching tools on the shop floor. Every returned batch or flagged issue—from a test in a distant beverage plant or a minor caking report on a Middle Eastern shipping route—returns to internal training and process improvement.

    Clients frequently look for documents, but we encourage site visits—nothing replaces firsthand observation of how raw inputs become finished Trisodium Citrate Dihydrate with sharp specifications and robust safety practices. Our continuous evaluation, not just one-off certifications, means that our reliability is not static. Learning from lived experience shapes every improvement in efficiency, cleanliness, and qualified output.

    Why End Users and Manufacturers Keep Relying on Our Trisodium Citrate Dihydrate

    Successful handling, shipment, and application of Trisodium Citrate Dihydrate stem from deep knowledge of its working properties, gained by daily exposure to plant realities and customer production lines. Our product moves beyond commodity grade because every aspect—from input filter cloths to automated packing checks—receives just as much attention as outbound certification sheets. Whether for a mass-market drink, delicately flavored processed food, or advanced water treatment plant, our approach remains rooted in accurate, accountable, and clear manufacturing.

    We reject shortcuts, and focus on firsthand problem solving, because only then can our customers truly depend on every consignment. Each time a beverage lab or food plant manager reports seamless blending and consistent taste, or a new pharma client passes regulatory review with our traceable documentation, the value of direct manufacturing shines through. Through constant interaction with the practical demands of global markets, we shape a Trisodium Citrate Dihydrate offering that doesn’t just meet standards, but gives buyers a lasting sense of confidence with every pallet, drum, or bag delivered.