Sodium Benzoate

    • Product Name: Sodium Benzoate
    • Chemical Name (IUPAC): Sodium benzoate
    • CAS No.: 532-32-1
    • Chemical Formula: C7H5NaO2
    • Form/Physical State: Powder
    • Factroy Site: No.3369 Bohai 10th Road, Lingang Economic Zone, Binhai New Area, Tianjin City, China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Tianjin Soda Plant
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    Specifications

    HS Code

    896423

    Chemical Name Sodium Benzoate
    Molecular Formula C7H5NaO2
    Molar Mass 144.11 g/mol
    Appearance White crystalline powder
    Odor Odorless
    Solubility In Water Easily soluble
    Melting Point 410°C (decomposes)
    Density 1.5 g/cm3
    Ph Of Solution 7-8 (1% solution)
    E Number E211
    Cas Number 532-32-1

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

    Packing & Storage
    Packing Sodium Benzoate is typically packaged in a 25 kg white plastic-lined kraft paper bag, labeled with product name, purity, and safety information.
    Container Loading (20′ FCL) Sodium Benzoate is shipped in 20′ FCL, typically packed in 25kg bags, totaling about 17-20 metric tons per container.
    Shipping Sodium Benzoate is shipped as a solid, typically in 25 kg or 50 lb bags, fiber drums, or bulk containers. Packaging should be sealed and moisture-resistant. The product is non-hazardous but should be stored in a cool, dry place away from incompatible substances. Transport complies with standard regulations for non-dangerous goods.
    Storage Sodium benzoate should be stored in a tightly closed container in a cool, dry, and well-ventilated area away from moisture, acids, and incompatible substances. Keep it away from sources of ignition and direct sunlight. Properly label the storage area and ensure that the substance is protected from physical damage and contamination. Store at room temperature, and avoid excessive heat or freezing conditions.
    Shelf Life Sodium benzoate typically has a shelf life of 2-3 years, stored tightly sealed in a cool, dry place away from moisture.
    Application of Sodium Benzoate

    Purity 99.5%: Sodium Benzoate with 99.5% purity is used in carbonated soft drinks production, where it effectively inhibits the growth of spoilage microorganisms and extends shelf life.

    Particle Size 100 mesh: Sodium Benzoate of 100 mesh particle size is used in food powders, where it ensures uniform dispersion and consistent preservative action throughout the product matrix.

    Stability Temperature 150°C: Sodium Benzoate with a stability temperature of 150°C is used in baked goods processing, where it maintains preservative efficacy during high-temperature baking conditions.

    Moisture Content ≤1.5%: Sodium Benzoate with moisture content ≤1.5% is used in dry spice blends, where it prevents caking and maintains product flowability while providing antimicrobial protection.

    Molecular Weight 144.11 g/mol: Sodium Benzoate of molecular weight 144.11 g/mol is used in pharmaceutical syrups, where it acts as a reliable antimicrobial agent while ensuring precise formulation dosage.

    Melting Point 410°C: Sodium Benzoate with a melting point of 410°C is used in heat-processed sauces, where it sustains stability and preservative function during thermal processing stages.

    Solubility 62 g/L at 20°C: Sodium Benzoate with solubility of 62 g/L at 20°C is used in liquid cosmetic formulations, where it provides rapid and homogeneous integration for enhanced microbial control.

    Assay ≥99.0%: Sodium Benzoate with assay ≥99.0% is used in fermented beverage preservation, where it ensures consistent concentration efficacy across production batches.

    pH 7–8 (1% Solution): Sodium Benzoate at pH 7–8 in 1% solution is used in oral care mouthwash, where it offers antimicrobial protection while maintaining product stability and user safety.

    Heavy Metals ≤10 ppm: Sodium Benzoate with heavy metals content ≤10 ppm is used in infant food applications, where it provides essential preservative activity while complying with strict safety standards.

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    Certification & Compliance
    More Introduction

    Sodium Benzoate: A Reliable Choice from a Manufacturer's Standpoint

    Talking about food preservation in the modern supply chain, sodium benzoate always comes up as a proven solution. In our factory, we've spent years making sure every kilogram matches customer standards, right down to the smallest specification. A lot of attention lands on sodium benzoate because, as a preservative, its performance shows up where it matters most: real-world shelf life. Putting it side-by-side with alternatives like calcium propionate or potassium sorbate, we’ve seen time and again that sodium benzoate stands out, especially where acidic environments define the product scene. Drinks, condiments, and acidic foodstuffs benefit a lot not just from chemical compatibility, but also cost-effectiveness per unit processed.

    Product Overview: Our ‘SB-99’ Model Range

    Every bag of sodium benzoate rolling out of our blending line rests on consistent quality control. Among our offerings, the ‘SB-99’ represents the main workhorse for most commercial applications. Here at the plant, we keep the active content at or above 99% purity by weight, monitoring moisture and trace impurity levels batch by batch. We handle granule size to avoid excessive dust and support fast dissolution, which customers in beverages and ready-to-eat meals value. No batch leaves the floor without running through HPLC and titration checks, so customers can rely on the published specification. Our process stays tight without pushing costs up, so the end-user gets consistent product — not guesswork from unstable batches.

    About Application: Experience from Real-World Batches

    No matter how clean the synthesis or how white the final crystal, end-users judge sodium benzoate by what it accomplishes in their plants. In beverage lines, especially juice and carbonated soft drinks, our customers expect no unexpected particles, fast incorporation at common processing temperatures, and no negative interaction with other ingredients like ascorbic acid. Dairy environments rarely use sodium benzoate, so we focus support and technical documentation where this product shines — low and moderately-acidic products.

    Through years of plant feedback, it’s clear the biggest hurdle involves ensuring homogeneity in liquid mixing tanks, especially in high-speed processes. Our production team responded by tweaking particle shape during granulation, refining handling so static clumping gets minimized. Many customers save time on their production line now, since small formulation missteps show up less often. That might sound trivial, but when running 24-hour operations, saving even a few minutes per mix scale up to real money. Our own facility sees this firsthand when we trial-run fresh lots before shipment.

    Shelf Life and Storage Experience

    Years of experience in warehousing sodium benzoate reveal a few basic truths: moisture is the enemy, direct sunlight ruins packaging, and overfilling packaging leads to caking. Because even a thin layer of moisture from a humid day can cause problems, our team switched to a triple-layer packaging format. PE inner linings with woven outer support keep the powder flowing, even in tropical zones. Customers with high-volume storage adopted similar tactics. Some clients use nitrogen flushing for ultra-sensitive applications, but not everyone needs that level of control. The real lesson is this: minimizing exposure to air and water keeps sodium benzoate in-spec for longer. Observing these small details saves on both product loss and downstream production headaches. In our plant, any off-spec stock moves immediately into reprocessing or downgrading, rather than taking chances on compromised shipments.

    Comparing Sodium Benzoate with Other Preservatives

    Sodium benzoate solves specific problems that sometimes stump other preservatives. For example, potassium sorbate has greater acceptance in non-acidic foods but higher cost and sometimes less availability during market swings. Calcium propionate works well in bread and bakery items — not so much in sodas or pickles. Since benzoic acid’s effectiveness rises as pH drops, soda and juice manufacturers select sodium benzoate specifically for that ecological fit, not just tradition. Our own R&D bench confirmed that at a pH below 4.5, the antimicrobial kick outpaces alternatives, holding yeast and mold growth in check during long transports and high-temperature storage.

    Occasionally, end-users ask for lower sodium content due to labeling restrictions. In those cases, potassium benzoate can sub in, but it introduces new complications: higher cost and taste profile changes. For most users, sodium benzoate’s neutral flavor sits quietly behind the scenes. The real-world evidence for its effectiveness comes from the drop in product spoilage rates — something our largest partners tracked closely when transitioning from self-mixed blends to our dedicated grade.

    The Science that Drives Choice

    Over time, regulations and analytical standards keep moving forward. Handling sodium benzoate means living up to food grade and pharmaceutical limits for impurities. As a manufacturer, we invest heavily in chromatography equipment and in skilled workers who know what to do when a batch walks the edge of spec. Our QC lab pushes for lower benzoic acid residuals — most customers specify below 0.2%. Heavy metals testing on every lot addresses both FDA and international requirements. This isn’t just box-ticking, either; missed heavy metal points can mean product recalls, and that’s something we take personally. Over the past five years, our process updates, including better reactor maintenance and more robust filtration, cut our out-of-spec incidents by more than half. Consistency in spec is where a real manufacturer shows strength compared to resellers blending offcuts for short-term gain.

    Supporting Sustainability and Responsibility

    In recent years, buyers want to know more than purity levels. Food brands ask about environmental impact and energy use across the supply chain. Our production division tracks resource use per ton of sodium benzoate. Water recycling in our wash steps, reduced solvent waste, and optimizing batch sizes led to a measurable drop in water and power consumption. Beyond just chemical properties, our bulk buyers look at traceability and clean labeling — two areas where a direct relationship with a manufacturer pays dividends. Because we manage incoming raw materials ourselves, providing transparency on benzoic acid sourcing and sodium hydroxide origin becomes straightforward. It builds confidence within our client base — something that’s harder to achieve from traders and repackers who often can’t prove origin or batch integrity.

    Sodium benzoate itself presents a relatively low-risk toxicology profile in regulated concentrations. The product’s clearance by major authorities such as FDA and Codex Alimentarius is rooted in decades of careful study. For sensitive users, understanding real exposure rates — not just theorizing — makes a difference. We’ve run partnership programs offering full specification sheets, batch certificates, and application notes down to the ppm level by request. Most incidents related to sodium benzoate in foods link not to the compound itself, but to misuse on the production floor or mislabeling. Keeping everyone well-informed matters. Our support team fields calls on this topic every week, ready to share accumulated know-how and walk new clients through dosage and process checks before upscaling runs.

    Experience from Sourcing to Shipping

    Making sodium benzoate isn’t just about chemistry; it’s a production challenge influenced by global economics, logistics, and plant reliability. Securing steady supplies of benzoic acid and sodium hydroxide at predictable prices dictates much of our production calendar. We weathered raw material shocks during global slowdowns and navigated logistical snags the hard way. A steadily maintained supplier network, thorough vetting, and controlled buffer stocks led to fewer outages and more satisfied long-term clients. Those lessons didn’t spring from textbooks — they grew out of missed shipments and the late nights fixing unexpected breakdowns on the production line.

    Customers count on timely supply, especially for multinational beverage bottlers and food processors who schedule production runs well in advance. Doing right by them sometimes means running extra shifts to fill rush orders or expediting cross-docking to keep products out of hot, humid port warehousing. Our team follows container quality to cut down on in-transit moisture risk. Every day, we balance keeping inventories fresh with not overdriving plant assets. Years of international shipping experience molded our sales process: no order confirmation leaves the office until logistics and timing align.

    Trends and Expectations for Food-Grade Chemicals

    Demand for food preservatives including sodium benzoate rises each year, powered by urbanization, global food supply chains, and stricter shelf-life standards. At the same time, regulatory reviews grow more rigorous. Food-grade chemical markets don’t stand still. End-users expect not just a technical-grade bulk product, but clarity on process hygiene, allergen risks, and even incidental environmental contacts. Our production line switched to sealed conveyance and closed-loop control to match these rising demands, eliminating cross-contamination risks. Every improvement at our plant draws on feedback from line supervisors, machine operators, and customer complaints we reviewed together. From production line stoppages to recalled lots, every close call tightens our systems further.

    The industry also faces growing scrutiny over food additives as a whole. Public sentiment changes fast. What worked for decades might need justification in today’s ‘clean label’ era. One customer’s marketing push or a shift in consumer consciousness brings questions about the basis for food preservation. Responsible manufacturers like us step up with science-based communication and transparency. In our experience, sharing product usage history, exposure studies, and real-world incidents demonstrates sodium benzoate’s established role in safely extending shelf-life, rather than pushing hollow selling points.

    What Matters Most to End-Users

    After years of working factory floors and collecting feedback, a few themes stand out about sodium benzoate demand: purity, predictability, ease of handling, and direct technical support. For formulators, consistent particle size translates to even mixing, reducing error probability. For QA managers, a reliable certificate of analysis and open lines of communication lower operational risk. Production teams focus on reduction of caking, clean pourability, and speed through mixing zones. They notice details — how the powder flows, whether residuals show up in filters, and if bag lining leaves fine dust. All these small points mean more value gained by buying directly from the factory floor rather than from anonymous intermediaries.

    On the safety side, we emphasize training and regular handling briefings for both internal teams and external partners. Misapplication, over-dosing, or mixing with ingredients that promote unwanted byproducts (such as excessive vitamin C in oxygen-free packaging) can lead to product quality issues. As manufacturers, we apply decades of application knowledge to nip these problems in the bud, supporting safer, more predictable results for the customer base.

    Though sodium benzoate isn’t right for every product, its track record as a preservative — particularly in acidic settings — remains unchallenged. Our factory focus on straightforward, repeatable production cycles means the end-user gets what they ordered, time after time. We don’t chase the lowest costs at the expense of reliability. Every improvement goes back into technology, worker training, or production controls, making every ton of SB-99 a direct outcome of lessons learned in real environments. We stand behind its value and invite partners to tap directly into our years of manufacturing experience the next time shelf life, handling, or compliance tops the concerns list.