Monosodium Citrate

    • Product Name: Monosodium Citrate
    • Chemical Name (IUPAC): Sodium 2-hydroxypropane-1,2,3-tricarboxylate
    • CAS No.: 18996-35-5
    • Chemical Formula: NaC6H7O7
    • Form/Physical State: Powder
    • Factroy Site: Aeschengraben 27, Floor 22-23, 4051 Basel, Switzerland
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Jungbunzlauer
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    Specifications

    HS Code

    347879

    Chemical Name Monosodium Citrate
    Molecular Formula C6H7NaO7
    Molar Mass 214.11 g/mol
    Appearance White crystalline powder
    Solubility In Water Very soluble
    Melting Point 300°C (decomposes)
    Ph Range 6.0-8.5 (1% solution)
    Taste Slightly salty and sour
    Cas Number 18996-35-5
    E Number E331(i)

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

    Packing & Storage
    Packing Monosodium Citrate is packaged in a 25 kg net weight, white woven polypropylene bag, with clear labeling and safety information.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Monosodium Citrate typically holds about 18-22 metric tons, packed in 25 kg bags on pallets.
    Shipping Monosodium Citrate is typically shipped in tightly sealed, moisture-resistant containers such as fiber drums, HDPE bags, or cartons. It should be stored and transported in a cool, dry, and well-ventilated area, away from incompatible substances. Proper labeling is required to ensure safe handling and compliance with relevant shipping regulations.
    Storage Monosodium citrate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from moisture and incompatible substances. It should be kept away from strong acids and oxidizing agents. Proper labeling is important, and the storage area should be free from sources of ignition. Store at room temperature and protect from physical damage and direct sunlight.
    Shelf Life Monosodium citrate typically has a shelf life of 2-3 years when stored in a cool, dry, and well-sealed container.
    Application of Monosodium Citrate

    Purity 99%: Monosodium Citrate with purity 99% is used in pharmaceutical buffer solutions, where it ensures consistent pH regulation and formulation stability.

    Particle Size <100 µm: Monosodium Citrate with particle size under 100 µm is used in beverage production, where it provides rapid dissolution and homogeneous taste profile.

    Melting Point 175°C: Monosodium Citrate with a melting point of 175°C is used in processed cheese manufacturing, where it facilitates efficient emulsification and smooth texture development.

    Stability Temperature up to 120°C: Monosodium Citrate with stability temperature up to 120°C is used in ready-to-eat meal systems, where it maintains its buffering capacity during pasteurization processes.

    Anhydrous Grade: Monosodium Citrate anhydrous grade is used in dry powdered food preparations, where it enhances shelf life and prevents moisture-induced clumping.

    Assay >98.5%: Monosodium Citrate assay greater than 98.5% is used in laboratory reagent applications, where reliable purity supports accurate analytical results.

    Bulk Density 0.7 g/cm³: Monosodium Citrate with bulk density of 0.7 g/cm³ is used in tablet formulations, where it enables uniform granulometry and efficient blending.

    Low Metal Content: Monosodium Citrate with low metal content is used in hemodialysis solutions, where it reduces the risk of trace metal contamination and supports patient safety.

    High Solubility: Monosodium Citrate with high solubility is used in carbonated drinks, where it ensures clear solutions and optimal flavor dispersion.

    Low Moisture Content: Monosodium Citrate with low moisture content is used in instant drink powders, where it prevents caking and preserves product flowability.

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    Certification & Compliance
    More Introduction

    Monosodium Citrate: Reliable Performance from the Manufacturer’s Floor

    Understanding Monosodium Citrate from the Perspective of Seasoned Chemical Manufacturers

    Monosodium citrate comes from the hands of people who live and breathe industrial chemistry. Years of running mixers, watching reaction temperatures, checking pH meters—it shapes a specific view. We know customers expect more than a white powder in a bag. They want each batch to solve a real-world problem in food processing, pharmaceuticals, or even water treatment. Every bag leaving our facility represents our reputation. We don’t just process sodium citrate for inventory. We tune our process so the product responds well in your line, whether you are buffering a beverage, stabilizing an injectable, or adjusting pH in a specialty process.

    Why Monosodium Citrate Matters in Industrial Applications

    Food scientists lean on monosodium citrate because it adjusts flavor, balances acids, and works as a chelating agent. In our direct experience, some production runs don’t tolerate the fluctuating acidity or bitterness common with other acidulants. Citric acid carries too much sourness, trisodium citrate drifts alkaline, but monosodium citrate often hits the right spot. That balance doesn’t happen by chance. Our plant operators adjust feed rates and monitor distillation steps to keep sodium ion content precise, limiting shifts in pH that could ruin batch-to-batch consistency. The feedback we get from customers in beverage and dairy lines confirms monosodium citrate holds its position where a steady buffer is needed.

    Specifications: What Real-World Batches Look Like

    You can spot our monosodium citrate by its free-flowing white crystalline powder. It dissolves quickly, leaves no grit, and doesn’t introduce unwanted flavor notes at working concentrations. The labs verify every run against the chromatograms we generated across hundreds of batches. Water content stays below specified moisture limits; trace metal analysis keeps contaminant levels low. This keeps downstream processes predictable. We stake our name on batch analytics that pass modern, globally recognized food and pharma standards, not just local rules. While other suppliers mix sources and occasionally ship composite lots, we trace each run to its raw material and conversion date, so our customers know what they’re getting.

    Where Monosodium Citrate Outperforms Other Sodium Citrates

    Factories looking for a buffer that falls between straight citric acid and trisodium citrate often settle on monosodium citrate after a few pilot runs. Our R&D teams found that when the full tricity (citric acid, disodium, trisodium citrate) sits on the product development table, monosodium citrate sometimes resolves a puzzle neither extreme can. In beverage blends, it pulls sharpness back without dragging pH too far from the fermentation zone. Cheese processors mixing natural and processed lines rely on it to lock in melt and texture. Laboratories use it as a pH control agent in complex intravenous solutions, where incompatible buffers limit choices. Years working hand-in-glove with end users have proven that this sodium citrate delivers flexibility across production constraints that other citrate types can’t match.

    The Day-to-Day of Manufacturing Monosodium Citrate

    Manufacturing brings challenges that never show up in chemical handbooks. We constantly check raw material quality—citric acid and sodium carbonate. Poor inputs mean off-spec product. We train our operators to recognize how small changes in the reaction (like shifts in water temperature) alter crystallization. The drying stage runs tightly controlled to protect flow properties. Finished powder clumps if moisture creeps in. That clumping seems trivial until it jams a customer’s dosing feeder. It happens, so we keep moisture low and manage humidity in packing areas. Batch testing before the product leaves isn’t a checkbox for us—it prevents a lost production week and protects our standing with customers.

    How Monosodium Citrate Integrates into Key Application Fields

    Food-grade monosodium citrate finds its way into processed cheese, ice cream, soft drinks, and sauces. We’ve seen multinational food brands shift away from old blends when product flavor swings or separation risk grows too high. Buffering action from monosodium citrate helps maintain smooth emulsions; it also improves shelf life by discouraging microbial activity—something we identified in collaborative shelf stability trials. In pharmaceuticals, injectable solutions benefit from low-sodium but stable pH; our monosodium citrate supports such demand with controlled sodium release and negligible impurity levels. As an anticoagulant in blood products, monosodium citrate extends shelf life and preserves integrity, which matters in supply chains with thin margins and global reach.

    Model and Quality Parameters Used by Our Plant

    Modeling our monosodium citrate runs on years of pilot test data rather than generic tables. Our standard grade comes as a fine crystalline powder distinctly free from non-citrate contaminants. Through continuous industrial runs, we keep purity regularly above 99%. Granulometry tracks closely with requirements from both food powder blenders and injectable solution formulators. To achieve this, we dial in milling steps and screen mesh sizes, adjusting every few batches as needed. Each step reflects lessons from missed specs and customer audits. Customers value our clear batch records, real-time HPLC verification, and tendency to over-document conformance—not as a marketing ploy, but because we have survived recalls and know their costs.

    Tough Spots and Solutions We’ve Lived Through

    Every manufacturer deals with sticky powder and flow control issues. Some years ago, a batch of monosodium citrate tested fine in the lab but caked during long ocean transport. Downstream customers got uneven dispensation in dosing machines. We looked into bulk packaging permeability and found humidity spiking during loading. That changed our container lining standards. In a separate case, a customer flagged increased specks. On review, we traced the issue to a sourcing problem with a local raw citric acid batch. Now, raw material lots get dual audits—one with our own instruments, one with a third-party lab. Trust is built on ongoing diligence, not the wording on a COA.

    Comparisons with Citric Acid and Trisodium Citrate: Beyond the Data Sheets

    The real-world difference between monosodium citrate and citric acid shows up in finished product consistency and cost of rework. Citric acid brings noticeable sourness, sometimes enough to clash with flavor profiles. Our experience making and comparing pilot runs side by side highlighted monosodium citrate’s softer buffer range. Trisodium citrate raises sodium content, which can tip nutrition or pharmaceutical formulations above spec. Customers in sports drink manufacturing have reported that switching from trisodium to monosodium brings finer flavor adjustment at lower sodium levels. Cheese makers tell us that melt behavior stays truer with monosodium. These specifics come from production-line observations, not from sales literature.

    Impacts of Tightening Global Standards

    Consistency isn’t negotiable when your approval depends on outside auditors. We regularly see updates to global food safety standards and pharmaceutical rules. Adapting runs through every department of our operation. Our QA crews revalidate test methods; production teams retrain on critical parameters. We invest in XRF and NMR testing technology. Every time a country amends its purity or trace metal guidelines, we see audits and requests for historical analytical data. We keep digital traceability on the entire chain, from incoming raw material to outbound batches. This attention to compliance keeps our monosodium citrate on more customer shortlists, and it’s one of the reasons long-term customers stay with us through regulatory turbulence. Documentation and batch reliability aren’t optional extras for us—they’re business survival tools.

    Pricing Pressures and Responsiveness in a Volatile World

    Raw materials shift based on markets across the world. During the last supply crunch, citric acid prices spiked almost overnight. Some producers cut corners or blended varying sodium citrates to keep prices low. As a manufacturer, we watch competitors come and go, sometimes dumping off-grade products. Downturns taught us never to compromise batch traceability or quality for short-term market grabs. Monosodium citrate made poorly or inconsistently pushes costs onto customers through downtime or product faults. That reputation sticks, so we hold pricing to what it takes to deliver on our promises, adjusting supply chain partnerships and keeping safety stocks on hand.

    Bulk Handling and Logistics: What Experience Has Taught Us

    Shipping monosodium citrate around the world is an exercise in logistics management. Monsoons slammed ports, containers sat longer than planned, and humidity found its way into batches. We learned to spend more on airtight bags and inner liners than many competitors thought justified. Over time, those extra dollars saved our customers far more when powders arrived free-flowing and ready for mixing. Coordinating just-in-time shipments sounds great, but weather, customs delays, and port strikes require backup plans. We keep real communication lines open with downstream customers to react rapidly when something slips out of schedule.

    Customer Collaboration Drives Improvements

    Our best product iteration stories came from close work with customers. A dairy client’s feedback on melt ability in high-protein cheese led us to a finer mesh cut. Pharmaceutical clients reported equipment clogging from trace insolubles, which our team addressed in the filtration step. These changes demanded investment, extra QA, and often process downtime, but they cemented long-term trust. We learn from every return and every production hiccup. Today, our monosodium citrate batches are smarter because of this continuous feedback loop—not from theoretical proof, but from relationships with industry leaders who demand better every year.

    Workforce and Skills in Monosodium Citrate Manufacturing

    The hands and minds behind every batch of monosodium citrate make all the difference. We hire operators who have a knack for attention to detail and train them to think about more than just production rates. Our QA team brings both academic background and years on the production floor, catching small changes before they become customer problems. Ongoing education means technicians stay up to date as technology and standards evolve. It’s not about finding shortcuts but owning mistakes and fixing them before they reach you. That culture—visible in every run log, calibration record, and process audit—links directly to how our monosodium citrate performs in the customer’s process.

    Environmental Awareness and Resource Management

    Producing chemical buffers comes with a responsibility to the local environment and the community. By optimizing water use, improving yield, and recycling non-conforming powder, we minimize batch waste. The team tracks process water discharge and manages spent air scrubbing media. Routine investment in new filtration and dust collection keeps emissions low. Local water boards review our performance yearly, and we keep close records to maintain our permits. Each batch reflects a balance between precision chemistry and sustainable practice—important not just for optics but for the long-term ability to operate as a trusted manufacturer.

    Quality Assurance Beyond the Laboratory

    Lab verification only tells part of the story. We believe consistent monosodium citrate comes from marrying process discipline with rigorous batch record keeping. Each day’s run stands on the experience of hundreds before it. Our integrated ERP system tags each output with full traceability, ensuring a faster response to queries or investigations. Every time a customer requests a split shipment or a special packaging run, the records flow seamlessly from production to shipping. This system earned us repeat business through several customer audits—including non-announced ones. In our business, a gap in records equals a risk that simply isn’t worth taking.

    Regulatory Challenges Around Monosodium Citrate

    Exporting food and pharmaceutical ingredients brings more than shipping headaches. Country-specific labeling, trace element quantification, and container residue checks require advanced knowledge of both international and domestic regulations. New allergen regulations or sodium intake guidance shift pharmaceutical and food recipes alike. Our regulatory team monitors updates from authorities around the world—not out of preference, but necessity. The goal remains the same: keep monosodium citrate always above the changing minimum, never below it, and make compliance documentation instantly available. Audits remind us every quarter that foresight beats remedial action.

    Customer-Focused Technical Service Sets a Manufacturer Apart

    Application support isn’t a buzzword for us. Teams have visited customer plants to diagnose processing issues more than once—whether to observe caking in real time or to tweak dissolution steps in specialty pharma production. Sometimes, the solution required minor tweaks to our batch protocol; other times, it meant guiding a customer through minor plant modifications. It all comes back to honest feedback: we thrive best when our partners tell us what isn’t working as well as what is. Over years of site visits, email threads, and joint trials, we’ve learned that investing time in customer experience pays dividends in mutual reliability.

    Innovation and What the Future Holds

    Experience tells us that demand for higher purity and specialty grades grows each year. Technical teams work on new methods for reducing trace ions—like iron and lead—beyond current regulation, because forward-looking customers push for tomorrow’s standards today. Automated sensors, in-line titration monitors, and process modeling keep us a step ahead of both regulation and competition. Batch-to-batch reproducibility remains our guiding star, inspired by partnerships that ask tough questions and expect continual improvement, not static performance. As industries push for new applications, especially in biotechnology and specialty health products, manufacturing monosodium citrate well is a challenge built for companies that never stop learning.

    From Our Shop Floor to Yours: Why Manufacturer Experience Matters

    Standing behind every kilogram of monosodium citrate, we draw from decades spent tuning chemistry, solving field-level problems, and meeting new regulatory hurdles. End users benefit not just from a white powder, but from the know-how, attention to detail, and partnership approach that only comes from true manufacturing experience. From the first raw materials out of the supplier’s tank to the powder sealed in final packaging, every step shapes how the product performs for the next technician or processing manager. Our job doesn’t end with shipment—it continues as long as customers build better products with what we make.