Sulphuric Acid

    • Product Name: Sulphuric Acid
    • Chemical Name (IUPAC): Sulfuric acid
    • CAS No.: 7664-93-9
    • Chemical Formula: H2SO4
    • Form/Physical State: Liquid
    • Factroy Site: Juhua Central Avenue, Kecheng District, Quzhou City, Zhejiang Province
    • Price Inquiry: sales9@bouling-chem.com
    • Manufacturer: Zhejiang Juhua Co., Ltd.
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    Specifications

    HS Code

    814180

    Chemical Name Sulphuric Acid
    Chemical Formula H2SO4
    Molecular Weight 98.08 g/mol
    Appearance Colorless to slightly yellow, oily liquid
    Density 1.84 g/cm³ (at 20°C)
    Melting Point 10.3°C
    Boiling Point 337°C
    Solubility In Water Miscible
    Ph <1 (for concentrated solution)
    Odor Odorless
    Cas Number 7664-93-9
    Hazard Classification Corrosive
    Viscosity 26.7 cP (at 25°C)
    Refractive Index 1.429 (pure)

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

    Application of Sulphuric Acid

    Purity 98%: Sulphuric Acid Purity 98% is used in battery electrolyte formulation, where it ensures optimal ionic conductivity and battery performance.

    Molecular weight 98.08 g/mol: Sulphuric Acid Molecular weight 98.08 g/mol is used in chemical synthesis, where it facilitates accurate stoichiometric reactions.

    Viscosity grade 26 cP at 25°C: Sulphuric Acid Viscosity grade 26 cP at 25°C is used in fertilizer manufacturing, where it supports efficient mixing and reaction rates.

    Stability temperature up to 300°C: Sulphuric Acid Stability temperature up to 300°C is used in metal pickling processes, where it enables safe operation at elevated temperatures.

    Density 1.84 g/cm³: Sulphuric Acid Density 1.84 g/cm³ is used in pigment production, where it guarantees precise phase separation and product purity.

    Corrosion grade Industrial: Sulphuric Acid Corrosion grade Industrial is used in wastewater treatment, where it enhances pollutant neutralization and sludge breakdown.

    Free SO₃ content 1.5%: Sulphuric Acid Free SO₃ content 1.5% is used in explosives manufacturing, where it contributes to consistent nitration quality.

    Melting point 10°C: Sulphuric Acid Melting point 10°C is used in laboratory reagent applications, where it ensures predictable handling and storage conditions.

    Certified ACS grade: Sulphuric Acid Certified ACS grade is used in analytical laboratories, where it assures reproducible results and high-purity reactions.

    Packing & Storage
    Packing Sulphuric Acid is packaged in a 25-liter blue HDPE drum, with hazard symbols, product label, and secure tamper-evident cap.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Sulphuric Acid involves safely packing industrial-grade acid in appropriate drums or IBCs within a 20-foot container.
    Shipping Sulphuric Acid is shipped in corrosion-resistant containers such as glass, polyethylene, or special metal drums. Transport requires secure, upright positioning and labeling as a hazardous material (UN 1830, Class 8). Adequate ventilation, spill containment, and personal protective equipment are essential during handling and shipping to prevent leaks, exposure, and environmental contamination.
    Storage Sulphuric acid should be stored in cool, well-ventilated areas away from direct sunlight, heat, and incompatible substances such as organic materials, chlorates, and powdered metals. Use containers made of materials like stainless steel or glass, clearly labeled with hazard warnings. Ensure storage areas have acid-resistant flooring, are equipped with spill containment, and allow easy access to emergency eyewash and shower stations.
    Shelf Life Sulphuric acid has an indefinite shelf life if stored properly in tightly sealed containers, away from moisture, heat, and incompatible materials.
    Free Quote

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    More Introduction

    Sulphuric Acid – Consistent Quality from a Trusted Producer

    Sulphuric acid stands as one of our core products, relied upon by manufacturers over generations. As a chemical producer, we draw on decades of expertise, safe handling, and careful process control to supply sulphuric acid that supports operations ranging from fertilizer plants to refineries, battery shops, and water treatment facilities. While many traders handle this commodity, the genuine work behind its production plays a major role in how downstream users experience reliability, purity, and performance.

    Our Experience Shapes Better Acid

    At our facilities, the journey from elemental sulphur or smelter off-gas to finished sulphuric acid reflects a network of checks and balances developed through years of operation. Tight control over feedstock and reaction conditions makes the product predictable—an absolute necessity for companies who can’t afford downtime or inconsistencies. Having managed hundreds of thousands of metric tons each year, the subtle differences in concentration, the fine points of impurity levels, and the choice of packaging have a noticeable impact on end-user process yields and equipment service life.

    Specifications Backed by Proven Manufacturing

    The most common form customers use arrives as a clear, heavy liquid, usually around 98% concentration. Some users take diluted acid—like 78% or even 32%—and customizing these blends at scale demands rigorous process know-how. Even impurity levels such as iron, arsenic, or selenium end up mattering in many specialty industries. Knowing how to remove, prevent, and track trace elements throughout the entire process means our acid consistently meets not just broad industry norms but specific process requirements, such as those from battery, dye, pharmaceutical, or food additive systems.

    Buffers, drying, and scrubbing systems all need tailored acid. The acid from our lines follows predictable analytical profiles, built up through regular lab testing and decades of statistical process control. Rather than rely on batch-to-batch luck, our teams focus on getting each tank and each shipment within a tight range—tight enough to keep corrosion rates steady in your application, to prevent scaling or unexpected side reactions, and to guarantee bottle-to-bottle and drum-to-drum performance.

    How Our Sulphuric Acid Differs from Commodity Acid

    Plenty of what circulates in the marketplace comes from reshipments, repackaging, or redistributions. Acid that passes through several hands sometimes arrives with stale documentation, uncertainty around how freshly it was produced, or simply vague properties outside those listed on a generic data sheet. From our position as producers, the pipeline is direct—finished acid moves straight into transport, whether that’s high-purity drum or bulk rail, with traceability from tank to loadout.

    Trace metals content gives a good example of this difference. While industry-standard acid may fall under a “max ppm” threshold for contaminants, our plants capitalize on closed-system handling and advanced purification circuits. Special care reduces unwanted elemental carryover, using specific filtration, chemical polishing, and by-product monitoring routines. Companies making electronics-grade or high-value catalysts count on this difference to protect platinum and palladium from being stripped by impurities as trace as parts-per-million.

    The choice of storage container can impact whether the acid stays pure or takes on iron, sodium, or even organic residues. We’ve found that attention to tank linings, condition monitoring, and dedicated piping preserves the acid’s stability for months after manufacture. End-users notice fewer filter blockages and buildup in critical circuits, less plant downtime, and a smaller risk of cross-contamination—all direct results of hands-on chemical engineering and plant discipline.

    Key Uses Highlight Practical Results

    Around the world, fertilizer manufacture pulls more sulphuric acid than any other industry. Phosphate operations use it to convert rock phosphate into soluble forms, and even a slight lag in supply means plants slow down—so our reliability in scheduling, analysis, and delivery keeps customer operations running smoothly. In metals processing, acid leaches out valuable metals from their ores, cleans surfaces, and removes water from concentrates; unpredictable acid composition in this industry introduces batch failures and costly delays.

    In battery production, precise acid concentration and temperature control affect final product performance. Variations in trace impurities, even those invisible to the naked eye, accelerate grid corrosion in lead-acid batteries or impact shelf life. By offering both fresh and custom-blended acid to specification, we help battery producers stay ahead of warranty failures and product callbacks. Water treatment plants also depend on acid without excessive heavy metals or organic residues, as residuals may end up downstream in the environment or violate strict discharge limits.

    Another major sector includes textile, pigment, and dye production, where acid forms a backbone for many synthesis reactions. Process chemists report that synthetic color batches vary if acid control slips by even a few tenths of a percent. With sulphuric acid direct from our reactors, batches stay reproducible, and plant upsets are rare. This “daily grind” perspective offers lasting value to process managers looking to maintain throughput year after year, not just quarter by quarter.

    Handling and Storage Knowledge Pays Off

    Sulphuric acid gives off heat during dilution, and can rapidly corrode unprotected storage and piping. Practical experience at scale has fine-tuned approaches to safe storage, choice of metallurgy, and real-world spill management. Laboratory recommendations usually reference ideal conditions, but in the real world, tank farms, truck fill racks, and production lines each introduce their own risks. Our storage guidelines build on first-hand knowledge: acid should contact only those materials that maintain chemical integrity over time, such as certain lined carbon steels, specialty plastics, or glass-lined reactors.

    Routine acid sampling proves essential for both us and our customers. Any company that’s watched a $20,000 reactor jacket fail from hidden chloride ingress recognizes the value of tight process discipline. As a producer, we don’t just monitor our own systems—we educate plant maintenance teams on what early warning signs look like. Color changes, excess misting, or unexpected pH drifts flag potential supply problems, and we arm our partners with best practice tips, down to labeling protocols or recommended PPE upgrades.

    Transportation Practices Built Around Safety and Traceability

    Direct production gives us some advantages over distributors. Bulk transport of sulphuric acid requires special tankers, lining materials, and procedures to minimize contamination and environmental exposure. Our teams supervise the entire logistics chain, from dispatch at the factory through certified carrier selection right down to sealed delivery paperwork. Rail carriages, ISO tanks, and drums all need periodic inspection against corrosion and physical damage; we often set up returnable container programs to keep logistics waste minimal and cut down on cleaning costs.

    Each batch receives unique identifiers tied to analytical reports. That way, if a customer plant manager calls about a shift in performance, we can track back to the exact production lot, sampling batch, and even operator team involved. Distributors and resellers rarely offer this depth of traceability, either because they lack direct access to plant records, or because their business doesn’t reward operational transparency. In effect, we give users “eyes” on where their product originated—a lasting value in sophisticated manufacturing environments where everything is audited.

    Supporting Industry Standards and Compliance from Experience

    As a chemical producer, we participate directly in programs that set and maintain industry standards for sulphuric acid quality and environmental performance. Staff serve on local safety committees, coordinate incident response drills, and provide technical advice to regulators. These relationships have changed how we engineer our operations, from installing continuous emissions monitoring in scrubbers to rolling out employee hazard training well beyond compliance minimums.

    Customers ask us about local, national, and global regulations on acid purity, waste acid streams, and allowable contaminant thresholds. Our familiarity with these rules has benefited clients undergoing audits or when putting in new lines that need certified input materials. Supply chains depend on honest reporting, so each drum, tote, or bulk delivery comes with true-to-life analysis. If a regulation changes, we’re among the first to update specs and customer communications. By being close to the point of manufacture, we keep control in our hands, not diluted through a chain of repackagers who may not prioritize compliance the way we do.

    Technical Support Is More Than a Hotline

    Tough problems in acid handling don’t wait for office hours. We maintain field support teams who have worked in handling, maintenance, and plant engineering roles. Whether a valve gets stuck with hydrates, a dilution system shows pitting after an upgrade, or a process calibration raises suspicions about acid strength, our experience helps customers find answers fast. As the actual producer, coupling lab data with field visits, we often spot process misalignments traders or middlemen miss.

    Real world experience with everything from bulk railcar unloading to managing accidental solidification after cold snaps means guidance comes from people who have seen—and solved—these problems first-hand. Our aim is not only getting acid to your site, but ensuring it performs as you intend, every single shipment.

    Solutions to Industry Pain Points

    Operational shutdowns from out-of-spec acid cost money, time, and even regulatory fines. Consistency from batch to batch ranks above nearly every other buying criterion, so our teams invest in redundant monitoring, feedback loops, and preventative maintenance. Investing in automation around raw material dosing and reaction parameters has paid off, showcasing fewer unplanned process drift events and swift containment if a deviation occurs.

    Corrosion in acid handling systems often outpaces the service life of process equipment. We saw this firsthand in an acid dilution project with a customer who had gone cheapest on fittings, only to lose half their pumping system within a year. Since then, we assist clients up front, matching acid grade not just by type, but by intended metallurgy in their plant. Where needed, we adapt to alternative packing and smaller containers to reduce inventory hold times and keep the freshest possible acid at work.

    Joint development with customers on acid-blending technology helps us meet unique concentration or additive demands. It becomes important in fields like bioprocessing and custom syntheses, where off-the-shelf acid solutions can hamper process innovation. Collaboration, rather than just transactional supply, wins lasting trust.

    The Difference Trusted Producers Make

    As a manufacturer, we watch the damage done by poorly-labeled, off-spec, or contaminated acid. In large-scale fertilizer and mining production, companies with unreliable acid sources repeatedly find themselves explaining off-spec product or shutdowns to their own customers. We’ve helped users trace back recurring corrosion and plugging issues, and the pattern rarely surprises us: multiple short shipments from non-integrated traders, each batch with slightly different hidden contaminants.

    Personal relationships built over years define our customer base—plant managers, maintenance supervisors, logisticians who know our names, visit our control rooms, and rely on us when they confront process or regulatory issues. This kind of closeness cannot happen between anonymous buyers and traders cycling through multiple sources. Experience has taught us that consistent contact, ongoing conversation, and transparency provide better results than price-chasing in the open market.

    Looking Ahead: Changing Demands, Rising Standards

    Societal expectations around emissions, workplace safety, and environmental responsibility keep climbing. As producers, we lead these changes through voluntary upgrades to our neutralization systems, implementation of real-time emissions monitoring, and zero-discharge facility designs. While commodity suppliers may struggle to meet these requirements, ongoing investment in plant modernization means we not only meet but anticipate upcoming regulatory curves. This keeps our customers insulated from last-minute surprises and forced production cuts.

    After seeing the benefits firsthand, we encourage end-users to demand traceability, rigorous documentation, and direct dialogue with the actual producer. As complexity rises—and as end products must now answer for their environmental impact—sulphuric acid buyers find themselves under increasing scrutiny. We help them respond with confidence, backed by transparent origin, clear test data, and responsive technical guidance. It is not simply about chemical supply, but building a partnership that endures through cycles of innovation and market shifts.

    Conclusion: More Than Just a Commodity

    Producing sulphuric acid is an ongoing commitment—not just to the chemistry of turning sulphur or off-gas into a valuable industrial tool, but to the people relying on its quality day after day. Every piece of experience we've gained, every challenge we've tackled on plant floors or in shipping yards, ends up in every shipment that goes out our gates. The difference shows up in uptime, in fewer headaches for our partners, and in a confidence that comes from knowing exactly where and how the acid in their process was made. We’re proud to offer this reliability to all the industries we serve.