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HS Code |
349746 |
| Chemicalname | Sulphuric Acid |
| Chemicalformula | H2SO4 |
| Molecularweight | 98.08 g/mol |
| Appearance | Colorless to slightly yellow, oily liquid |
| Odor | Odorless |
| Meltingpoint | 10.31°C |
| Boilingpoint | 337°C |
| Density | 1.84 g/cm3 (at 25°C) |
| Solubilityinwater | Miscible |
| Ph | <1 (1N solution) |
| Casnumber | 7664-93-9 |
| Vaporpressure | 0.001 mmHg (at 25°C) |
| Viscosity | 24.2 cP (at 25°C) |
As an accredited Sulphuric Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sulphuric Acid is supplied in a 5-liter, high-density polyethylene (HDPE) container with a secure screw cap and hazard warning labels. |
| Container Loading (20′ FCL) | 20′ FCL for Sulphuric Acid involves safe loading of tightly sealed drums or IBCs, ensuring secure transport and chemical containment. |
| Shipping | Sulphuric acid must be shipped in tightly sealed, corrosion-resistant containers, such as HDPE drums or glass bottles, clearly labeled with hazard symbols. It should be transported upright, segregated from incompatible substances, and accompanied by appropriate safety documentation. Compliance with ADR, IMDG, and IATA regulations is mandatory to ensure safety during transit. |
| Storage | Sulphuric acid should be stored in tightly closed, corrosion-resistant containers made from materials like glass, certain plastics (e.g., HDPE), or specially lined steel. Store in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, organic materials, and incompatible chemicals such as bases and combustibles. Proper labeling and secondary containment are essential to prevent spills and accidental contact. |
| Shelf Life | Sulphuric acid typically has an indefinite shelf life if stored properly in tightly sealed containers and away from moisture and contaminants. |
Applications of Sulphuric Acid in Industrial ManufacturingSulphuric acid remains a fundamental input in various process industries, providing critical reaction, extraction, and treatment capabilities across multiple sectors. As a direct producer, we specialize in stable, high-purity acid grades engineered for industrial integration and regulatory compliance. Below are distinct, real-world downstream applications supported by industry-defined requirements, targeted dosing practices, and documented production methods.
Manufacturers use sulphuric acid in the wet process route for phosphoric acid, which then serves as the primary feedstock for monoammonium phosphate (MAP), diammonium phosphate (DAP), and other soluble phosphate-based fertilizers. Dosing depends on ore quality and reactor design, with acid involved directly in attacking phosphate rock and facilitating downstream filtration, clarification, and concentration steps under continuous process controls monitored for regulatory-grade consistency. Industry compliance standards
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Acid leaching operations for primary and secondary copper sources rely on sulphuric acid as an aggressive lixiviant in heap leach and tank leach processes. This chemical is dosed according to ore mineralogy and leaching kinetics, ensuring metal mobilization while tightly managing effluent pH and worker safety per strict mining sector standards. The acid supports solution extraction, solvent extraction, and electro-winning stages that yield high-purity copper cathodes for industrial customers. Industry compliance standards
Typical usage ratio
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Major surfactant producers employ sulphuric acid for sulfonating linear alkylbenzene to manufacture LABSA, a primary precursor for household and institutional detergents. Manufacturers regulate acid-to-olefin ratios based on target sulfonation yield and process control criteria, manually or automatically dosing acid within closed reactors featuring dedicated acid-resistant linings and extensive fume extraction to meet chemical safety directives. Industry compliance standards
Typical usage ratio
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Refiners adopt sulphuric acid-catalyzed alkylation to convert isobutane and olefins into highly branched gasoline blendstocks. This step requires precise acid strength monitoring, charge rates, and reactor conditions to maintain octane numbers while constraining acid solubility and downstream neutralization impacts on plant wastewater systems. Operational discipline targets API and internal refiner specifications for fuel quality and plant emissions. Industry compliance standards
Typical usage ratio
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Water treatment operations incorporate sulphuric acid for controlled pH reduction, scale minimization, and neutralization of alkaline streams upstream from filtration, ion exchange, or disinfection units. Process engineers calibrate dosage according to feed water alkalinity, flow rates, and regulatory effluent pH constraints, integrating direct acid addition via dosing pumps monitored by in-line pH probes for continuous quality assurance under municipal and industrial standards. Industry compliance standards
Typical usage ratio
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Cell assembly facilities rely on tailored grades of sulphuric acid for electrolyte filling in lead-acid battery manufacture. Technicians dilute acid to precise specific gravity as required by the intended cold cranking performance and product design, dosing within quality systems that trace entire lots from acid receipt through assembly, formation charging, and certification steps under automotive and industrial battery standards. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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Competitive Sulphuric Acid prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615380400285
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For decades, our hands have shaped countless tons of sulphuric acid, watching it transform raw input into an essential tool for industries across the globe. The process itself rewards attention to detail and respect for safety—for good reason. Each batch starts with our control over raw materials and a focus on consistency, color, and strength. By sticking to proven routes like the contact process, our technicians manage variables such as temperature, flow, and purity hour by hour. This approach produces acid that meets strict industry standards, often at 98% concentration, which stands as the benchmark for a wide variety of uses. Unlike diluted blends, this pure material supports both industrial reactions and tailored solutions for customers who demand traceability and confidence in every drum or tanker.
Not all sulphuric acid looks the same from one supplier to another. Our investment in high-temperature converters and modern absorption towers helps ensure a product free from contaminating substances that can cripple downstream processes. Sulphur dioxide, the key input, arrives after careful monitoring, then oxidation and absorption follow, locking in a material with low iron, chlorides, or other unwanted elements. It means fewer surprises in metal leaching, battery manufacture, and fertilizer production, where even minor impurities can corrode machinery or poison catalysts. Our acid typically tests well below the detection limits for these problem elements, which brings peace of mind to our clients who often work with narrow process windows.
Business partners rarely ask only for volume. They want predictability, whether they blend copper sulfate, condition soils, or cut costs on site maintenance. Fertilizer factories need sulphuric acid that won’t gum up reactors or cause corrosion over years of exposure, so we double-check concentrations and filter out solids before dispatch. Metal refiners care most about the absence of organic contaminants or light metals, otherwise yields may drop. Battery manufacturers insist upon stable supply and consistent acid strength since fluctuations can shorten battery life or force unnecessary adjustments in their process lines.
Over the years in this field, we learned not to cut corners on audit trails or quality records. It’s never enough to simply ship barrels. Customers expect every lot to come with complete production data as environmental and regulatory pressures tighten. Certifications, sampling, and cross checks have become routine for us. From the moment sulphur comes in, we trace it to the final fill, attaching lab analyses for every significant parameter. Routine feedback from users gives us a picture of issues as they emerge, letting us root out recurring faults before they become systemic.
Pure sulphuric acid finds its place in manufacturing strong cleaning agents, creating fertilizers, etching metals, and acting as a powerful catalyst in countless reactions. For example, the phosphoric acid industry depends on sulphuric acid at high concentrations to drive the right results. Lower grades, sometimes blended at 30-70% strength, tend to show up in cleaning, wastewater treatment, and surface preparation work. We keep these lower grades separate from our main line, as even slight mixing of impurities impacts specialty producers downstream.
Spent acid, or used acid recovered from chemical processes, rarely meets the needs of high-purity manufacturing but holds strong value in neutralization or as a feedstock for regeneration. Some of our clients, especially those in textiles or degreasing metals, require customized specifications—not every use case runs smoothly with the same formula. We routinely advise on what works for a specific purpose, drawing from lab results and firsthand process knowledge. Pickling operations benefit from acid filtered for particulates, while waste stream treatments may tolerate or even benefit from blended, recycled grades. Our facility’s flexibility enables us to match product type with end-use, minimizing overspending and unnecessary hazards for customers.
Daily work with sulphuric acid keeps safety front and center. Splashes, fumes, and even incidental spills force us to respect this chemical’s strength. Employees suit up in face shields, gloves, and acid-resistant clothing, whether loading bulk tankers or handling smaller packaging. We installed multiple containment dikes and emergency showers throughout the plant after years of experience with potential leaks.
Procedures for neutralization, ventilation, and spill management draw from decades without serious incident, rather than compliance with minimum legal requirements. Plant layout and drainage design reduces risk, but we found that regular drills and equipment checks actually catch problems before they turn into emergencies. We also hold ongoing training for all operators, reinforcing the vital points about safe handling, correct storage conditions, and immediate steps if exposure occurs. These practices become second nature, not afterthoughts.
Running one of the major sulphuric acid operations in our region, we can’t ignore the environmental impact of each ton produced. Past years showed us how even minor leaks or emissions create problems for surrounding communities, so we put capital into air pollution controls far above the minimum benchmarks. Our scrubbers catch SO₂ and other acid vapors before they leave the stack. Waste heat generated during acid production doesn’t go unused—recovering it for use in district heating or back in other plant operations saves fuel and reduces our own emissions.
Spent acid reclamation not only lowers costs, it prevents unnecessary disposal. We treat and recycle what might have been waste, transforming it into product for less demanding applications. This cuts down on hazardous shipments over the road, lessens the need for new raw materials, and helps keep local waterways safe. Our monitoring stations around the plant keep tabs on soil and air in the nearby area. We use that data not just for reports but to drive actual changes in our methods, taking alerts from residents seriously.
Every seasoned operator knows that nothing stands still in this business. Technology and regulations constantly change. To keep up, we regularly upgrade critical plant sections. High-efficiency converters let us boost yield and cut gas emissions at the same time. Diagnostics now flag valve issues or pressure drops on screens in the control room before anyone notices a scent downwind.
As energy costs continue to climb, we watch process heat recovery systems and optimize controls for better fuel economy. These steps trim unnecessary costs for customers, not just the plant itself. Years of keeping an open dialogue with the industry’s leading researchers allows us to adopt best practices as soon as they prove themselves in other facilities. These direct solutions help us promise not just ongoing supply but dependable quality in every shipment, even as production expectations grow.
Many people outside our field view sulphuric acid as a simple commodity, ignoring the tight interlock with mining, battery manufacture, and agricultural production. Any sudden price swings for sulphur feedstock, or interruptions at upstream gas plants, stir up the whole chain. We track these developments day by day, planning stock and output to protect regular buyers from shock shortages.
By working directly with shipping and logistics partners, we reduce transit times and minimize storage issues during transport. Our facility layout allows multiple loading bays and real-time communications with carriers for both rail and road deliveries. Cold snaps, port delays, or labor strikes always test our planning, but years of close collaboration within our network of customers and suppliers improves resilience in these tests. Confidence in predictable supply comes less from glossy brochures than from these working relationships.
Industrial users sometimes ask how sulphuric acid stacks up against acids like hydrochloric or nitric. Each serves its own niche, but few match the versatility, cost, and strength of sulphuric acid for large-scale applications. Hydrochloric acid excels at digesting steel scale or regenerating ion exchange beds due to its volatility and lower oxidation strength. Nitric acid carves out a place in explosives or fine chemical work but costs more to handle due to toxic fumes and greater reactivity.
Sulphuric acid can often replace these rivals with less risk of uncontrolled reaction or handling hazards. It stores safely in steel tanks and works at high concentrations over wide temperature ranges without breaking down. Because it acts as a strong dehydrating agent, many industries prefer it for drying gases, supporting synthetic reactions, or stripping impurities. Its non-volatile nature means fewer hazardous emissions compared to lower-boiling acids, offering important benefits in enclosed factory environments and during long-haul transport. These points make sulphuric acid a foundation of modern manufacturing, not a mere alternative in the chemical toolbox.
We learn just as much from users in the field as from our own control labs. Over the years, operators at fertilizer blenders and electroplating shops have flagged subtle changes in reaction time, product color, or plant emissions back to our support team. These conversations let us trace issues quickly, sometimes adjusting drying or filtration steps to solve the problem. Preventing pump or gasket failures starts long before product leaves the gate—advice from customers exposed to tough applications influences every process tweak inside our plant.
We keep in touch with engineering and maintenance teams at customer facilities so our technical advice stays rooted in street-level reality, not wishful thinking. Where a generic “one size fits all” supplier might dismiss complaints, we walk the line with our clients and find out what truly matters on their job. The end result stands out in reduced downtime, fewer warranty claims, and long-term relationships that outlast market cycles. We don’t just deliver acid. We share in the success or struggle of every customer who opens a drum, and we believe it shows in the work we do.
No complex operation goes without challenges. Sourcing high-purity sulphur, keeping up with regional climate shocks, or dealing with global shifts in mining all test our ability to produce steady supplies of reliable acid. When neighbouring industries slow down, less sulphur dioxide becomes available, and we scale up regeneration and recovery systems to compensate. Our drive for efficiency comes both from tighter margins and from seeing waste as lost value.
Looking ahead, the push for greener chemistry and safer handling never lets up. We invest in continuous process improvements and pilot projects that recover even more value from side streams. As regulations evolve, we aim to improve our emissions even beyond air and water standards currently in effect. It’s a long-term commitment—the next generation of plant operators will inherit systems that are safer, cleaner, and more efficient than ever before.
Each barrel, each load, and every truck leaving our gates carries a piece of our reputation. Our experience shows that quality built on trust and open communication stands the test of time, long after price wars settle and market fads pass. Big or small, our customers know who to call if a process drifts or a shipment needs troubleshooting. They know we build safety, stewardship, and honest feedback into every batch. Over years—decades, in some cases—this attention to both detail and the wider impacts keeps us moving forward.
Sulphuric acid production isn’t glamorous, but our teams draw satisfaction in knowing their work underpins industries that feed, transport, and electrify daily life. Working with this powerful chemical demands skill, patience, and a culture that respects both people and the environment. From experience, no shortcut pays off compared to careful, smart, and consistent effort day in, day out.
