Benzoic Acid

    • Product Name: Benzoic Acid
    • Chemical Name (IUPAC): Benzoic acid
    • CAS No.: 65-85-0
    • Chemical Formula: C7H6O2
    • 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
    • CONTACT NOW
    Specifications

    HS Code

    345663

    Chemical Name Benzoic Acid
    Chemical Formula C7H6O2
    Iupac Name Benzoic acid
    Molar Mass 122.12 g/mol
    Cas Number 65-85-0
    Appearance White crystalline solid
    Melting Point 122.4 °C
    Boiling Point 249 °C
    Density 1.32 g/cm³
    Solubility In Water 2.9 g/L (25 °C)
    Pka 4.2
    Odor Faint, benzaldehyde-like
    Flash Point 121 °C
    Vapor Pressure 0.001 mmHg (20 °C)
    Refractive Index 1.504 (20 °C, solid)

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

    Packing & Storage
    Packing Benzoic Acid, 500g, packaged in a sealed, amber glass bottle with a screw cap and hazard labeling, inside a protective cardboard box.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Benzoic Acid: Packed in 25kg bags, 16-17 MT net weight per container, palletized or non-palletized.
    Shipping Benzoic Acid should be shipped in tightly sealed containers, protected from physical damage, moisture, and incompatible substances. It is classified as a non-hazardous material for transportation but should still be labeled appropriately. Store and transport in a cool, dry, well-ventilated area, following all local, national, and international regulations.
    Storage Benzoic acid should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and incompatible substances such as strong bases and oxidizing agents. Protect from moisture. Keep away from direct sunlight. Proper storage helps preserve its stability and reduces the risk of chemical degradation or hazardous reactions.
    Shelf Life Benzoic acid typically has a shelf life of 3-5 years when stored in a cool, dry place in tightly sealed containers.
    Application of Benzoic Acid

    Purity 99.5%: Benzoic Acid with purity 99.5% is used in food preservative applications, where it effectively inhibits microbial growth and extends shelf life.

    Melting Point 122°C: Benzoic Acid with a melting point of 122°C is used in pharmaceutical synthesis, where it ensures precise formulation consistency and product stability.

    Particle Size <100 µm: Benzoic Acid with particle size less than 100 µm is used in cosmetic formulations, where it provides uniform dispersion and optimal preservative functionality.

    Stability Temperature up to 200°C: Benzoic Acid stable up to 200°C is used in industrial resin manufacturing, where it maintains chemical integrity during high-temperature processing.

    Low Moisture Content (<0.5%): Benzoic Acid with low moisture content is used in polymer additive production, where it minimizes hydrolysis and improves final product durability.

    Pharmaceutical Grade: Benzoic Acid pharmaceutical grade is used in topical medications, where it ensures safety and meets stringent regulatory compliance.

    Analytical Reagent Grade: Benzoic Acid analytical reagent grade is used in laboratory standard preparations, where it achieves high accuracy and reproducibility in assays.

    USP Compliant: Benzoic Acid USP compliant is used in oral drug formulations, where it guarantees purity and meets pharmacopeial standards.

    Molecular Weight 122.12 g/mol: Benzoic Acid with molecular weight 122.12 g/mol is used in chemical synthesis, where it assures precise stoichiometry for reproducible reactions.

    Odorless Quality: Benzoic Acid odorless quality is used in fragrance-free personal care products, where it minimizes sensory impact without compromising preservative efficacy.

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    Certification & Compliance
    More Introduction

    Benzoic Acid: Manufacturer’s Notes on Quality, Purpose, and Market Distinction

    Understanding Benzoic Acid from a Producer’s Perspective

    Every bag and drum of benzoic acid rolling out of our facility traces its roots to careful raw material sourcing, deliberate process controls, and a focus on consistent results. In the lab, years of experience and a few battle scars have taught us not just to fine-tune specifications but also to listen closely to the direct demands of our customers—whether in food preservation, chemical synthesis, or industrial applications. We do not trade on middleman language; our interest lies squarely in the performance and reliability we guarantee from the very first kilo to the last.

    Product Model and Specifications

    Benzoic acid from our lines meets internationally recognized purity grades, serving both food and technical customers. For the food-grade segment, purity typically exceeds 99.5%, with minimal water and heavy metal content, and fine white crystals. Under closer inspection, the crystals offer a consistent angle of refraction and particulate size, as a result of steady temperatures and controlled crystallization. Customers coming from the chemical synthesis front—such as those in alkyd resins, alkyd paints, or plasticizers—often specify a technical or industrial model, with emphasis squarely on functional conversion and easy formulation blending. Years in continuous operation allow us to keep variations between batches negligible.

    Most of our annual output comes in either granule or crystalline types, with custom micronized versions for clients needing high dispersibility. Our specs keep the moisture far below one percent, oxalate and nitrate content trace, and color as nearly neutral as possible. Nothing escapes the grinder or the eye of quality control—not because standards say so, but because small differences amplify downstream. A small deviation in purity or insoluble matter hits hard in resins and paints, and additives in food preservation must meet both regulatory and practical demands. If a job asks for high flowability or reduced caking, adjustments in drying, sieving, and anti-caking management follow.

    Usage Scenarios and Sector Guidance

    Working with benzoic acid means stepping into one of several worlds—sometimes more than one in a single shift. Food processors come searching for shelf-life without major label headaches. Here, our purity helps ensure compliance with food safety laws worldwide. The end product—whether acidic pickles, sweet preserves, or carbonated drinks—draws on this acid for extended stability and freshness. The short chain breaks down easily in vivo, and its byproducts are well studied, giving confidence to food scientists and regulators alike.

    Industrial clients talk a different language; their focus is on reaction pathways, polymer backbone formation, and downstream compatibility. Benzoic acid shines in alkyd resin production. Those long molecules that form protective coatings and flexible paints depend on the controlled acidity and reactivity this product brings. Consistency in melting range, absence of colored impurities, and ease of solubility all matter when scaling up. Use as an intermediate in making benzoyl chloride and a starting material for various esters makes benzoic acid an indispensable player. Pharmaceuticals and personal care operate under strict controls as well, but even in these higher-stakes environments, the focus turns to minimizing byproducts and ensuring purity down to the last decimal.

    On the antimicrobial front, we hear from clients who work with animal feed, adhesives, and specialty rubbers. Here, the challenge lies less with taste and more with efficacy over long supply chains. Our investments in refining and filtration make the difference between stable, cost-effective formulations and spoilage or costly recalls.

    Benzoic Acid versus Other Products

    Much is made in the open market about apparent substitutes and similar preservatives or intermediates, but the functional distinction shows itself quickly in practice. Sodium benzoate often grabs attention for its slightly higher solubility in water—but it brings its own regulatory restrictions and sensory profile issues. In our own experience, we see benzoic acid selected in applications where minimal sodium contribution is beneficial, or where a lower pH is required. The lower solubility often acts as a gatekeeper; it favors products where a slow-release mechanism is wanted or where the preservative rests in fat-rich or low-moisture systems.

    Compare benzoic acid to parabens or sorbates and differences begin to multiply across taste thresholds, allowable concentrations, and observed efficacy against molds and yeasts. For example, sorbates tend toward higher costs and sometimes impart a “soapy” flavor in sensitive matrices. Parabens, while potent for short-term control, encounter consumer and regulatory pushbacks that benzoic acid generally sidesteps thanks to its legacy and record of safety when dosed appropriately. In specialty resin production, the reactivity and molecular fit of benzoic acid cannot be easily mimicked by alternatives. Many of our clients in coatings and adhesives have run their own head-to-head batch trials, finding that even minor tweaks of raw materials can upset curing profiles or color stability.

    The Experience Behind Every Shipment

    Investing early in precise filtration and modern crystallization cut out more variability than any market-facing document ever could. In practice, this means our lots deliver minimal insoluble matter, consistent particle size, and predictable melting behavior. Over the years, we’ve learned not to chase novelty for its own sake; instead, tight controls and repeatable results deliver what customers expect, shipment after shipment.

    Many prospective clients approach us with stories of frustration: poor lot-to-lot consistency, unexpected off-odors, or aesthetic defects appearing in their end use. Each time, our process experience lets us diagnose the breakdown—maybe a thermal spike burned out the carboxyl group, or maybe extended hold times picked up extra heavy metals from aging tanks. We solve these with direct process adjustments—introducing better washing cycles, ramping up filtration frequency, or updating filters and containment to non-reactive grades.

    Facts on Safety, Regulations, and Practical Handling

    On the safety side, benzoic acid benefits from long study and broad recognition. Regulatory agencies around the world acknowledge its role and set limits that match scientific consensus. We do not take these standards lightly—regular batch analyses, third-party audits, and close documentation keep us and the product in compliance. Where end-users must declare contents, our COAs and analysis sheets back claims with hard numbers.

    The physical properties—distinctive, pleasant sharpness in odor, stable white crystals, notable density—all guide packaging and logistics. Machines filling drums or paper bags get calibrated with the right flow rates and anti-static precautions. Storage requires a cool, dry place, with good ventilation. In loading and unloading, especially at higher throughputs, technicians use dedicated PPE, not just out of compliance but out of respect for the reality of chemical handling. Occasionally, customers request nitrogen-blanketed drums for high-purity lots or specify custom packaging to match their own quality standards.

    Downstream Impact and Market Choices

    A manufacturer of herbal drinks sees the world differently than a coatings chemist or an adhesive formulator, but each stakes part of their product reputation on the consistency we deliver. The track record of benzoic acid as a preservative and intermediate traces back more than a hundred years, and that history makes standards tough. We have seen shifts in market demand—consumers call for “preservative-free” or “natural,” factories push automation, and regulatory agencies rewrite permissible exposures. These tides push us to refine manufacturing, explore green chemistry, and keep input raw materials tightly screened.

    Years ago, we fielded calls regarding the use of benzoic acid in emerging bioplastic blends. Current growth areas include more function-driven food formulations and long-range stabilization in tropical supply chains. Mobile labs for field testing, customer support for new product launches, and in-house trials allow us to troubleshoot new use cases as industries evolve.

    Sourcing, Sustainability, and Value-Driven Production

    Not every ton of benzoic acid starts the same way. For us, working directly with upstream suppliers guarantees the phenol or toluene we process is traceable, and that our impacts—energy, water, and waste—stay within tolerances acceptable not just for us, but for our neighbors and regulators. By upgrading to closed-loop systems and investing in energy recovery at multiple points in our lines, we keep environmental impact lower than what’s standard in the chemical sector. MIT and local technical universities have helped our teams test process shifts, so we respond faster to new regulatory and customer signals.

    Green shifts are rarely easy in practice: switching to materials with lower embodied energy, treating every process stream, and mitigating emissions all add cost and complexity. Still, our largest customers—in food and pharma most notably—have begun tying purchase volumes to supplier sustainability. Our internal audits and external certifications mean we don’t just accept this reality: we make it a part of our product’s appeal. By investing in solvent recovery and water system upgrades, we also keep yields high and product clean, without passing unpredictable costs to downstream buyers.

    Product in Focus: Traceability, Adaptability, and Support

    Benzoic acid, from a manufacturer’s viewpoint, cannot be swapped like a generic base chemical. The traceability we offer—linked directly to batch logs and process monitors—gives customers a clear assurance on ingredients, whether destined for human consumption, industrial coatings, or pharmaceutical excipients. Regulatory and quality management frameworks have grown tighter, and every major player from Europe to Southeast Asia now requests support on documentation and interpretability of results.

    The real work happens not just in the plant, but down the phone lines and in shared testing protocols. Pilot runs, customer factory visits, troubleshooting in the field—these experiences build understanding that doesn’t show in a typical product spec. If a customer in Nigeria or Brazil calls because finished goods show unwanted haze or off-taste, we trace the solution all the way to molecular events or shipping conditions. With global logistics, even a small moisture divergence picked up in an ocean container can matter, and feedback loops between end users and our process techs keep the cycle of improvement active.

    Challenges and Solutions from the Plant Floor

    From day one, gaps in raw material purity or process interruptions reveal themselves downstream. During expansion phases, we faced our own hurdles—batch reactors fouling faster than planned, dryers needing more upgrades than budgets allowed, and shipment delays knocking production schedules out of sync. We learned to anticipate these bottlenecks—installing real-time monitoring, overhauling grinder logic, and assigning dedicated technicians for every critical point. When global pandemics struck and shipping schedules fell apart, we shifted logistics to avoid long storage periods, offering shorter lead times and rerouting supplies to keep partners running.

    Occasionally, clients encounter off-color batches or reduced efficacy in end-use. Sometimes, this loops back to interactions with competing materials in the plant, such as accidental ammoniates in blending. Solutions emerge from joint analysis—extra filtration, optimizing reaction pH ranges, and confirming each vessel is clean before the start of every run.

    Market Shifts and the Path Ahead

    Today’s benzoic acid market operates under competing pressures: cost control, increasing regulatory scrutiny, and changing consumer preferences. Innovations in natural preservation keep the sector competitive, yet price and scalability continue to tip the scale toward classical options like benzoic acid. From a production standpoint, we focus on giving clients tools to reduce their own waste, simplify labeling, and meet strict residue or allergen thresholds.

    Future directions call for even tighter analytical control, deeper collaborations with application scientists, and broader adoption of digital batch monitoring. The emergence of blockchain in supply chain traceability may seem a distant concern for a chemical operator, but experience tells us that today’s curiosity often becomes tomorrow’s compliance requirement. We prepare accordingly—with data integrity systems and knowledge transfer between batches, shifts, and generations of plant operators.

    Why Direct Manufacture Still Matters

    There's plenty of benzoic acid offered in markets, sometimes with sharp discounts, sometimes in blends or unnamed re-bags. Yet, the product pulled out of this factory carries a story of its own—one not visible at the distribution dock or on the invoice. The details matter: air inlets equipped with HEPA filters, water lines checked for trace ions, operator training programs built on decades of nonconformance reports and root cause analysis. Each step, each adjustment, comes from a drive to deliver reliability, not just price. Few industries tolerate surprises, and putting our name to each shipment holds us accountable.

    People on the plant floor know which days go smoothly and which reveal problems to solve—and bringing customers into that story, openly and honestly, builds long-term partnerships far quicker than any guarantee offered from a trading desk. If superior, clean benzoic acid makes a customer’s batch run just that much easier and results more consistent, then the investment in careful manufacture pays back every day.

    Conclusion: A Role Earned by Performance

    Benzoic acid plays its role across the world’s industries and products. Its effectiveness, safety, and lasting relevance owe much to the detailed care behind its manufacture. Being able to trace each lot, adapt production to updated demands, and stand behind every drum and bag are not extras—they are the substance of what a true manufacturer delivers. From one plant to thousands of end uses, stability, quality, and practical experience set benzoic acid apart—each shipment carrying knowledge built up year after year in the factory, not just promised on a datasheet.