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HS Code |
907263 |
| Chemical Name | Hydrochloric Acid |
| Concentration | 31% |
| Molecular Formula | HCl |
| Molecular Weight | 36.46 g/mol |
| Appearance | Colorless to slightly yellow liquid |
| Odor | Pungent, irritating |
| Boiling Point | Approximately 110°C (230°F) for 31% solution |
| Density | Approximately 1.15 g/cm³ at 20°C |
| Solubility In Water | Completely miscible |
| Ph | <1 (strongly acidic) |
| Cas Number | 7647-01-0 |
| Flammability | Non-flammable |
| Hazard Class | Corrosive, UN 1789 |
| Storage Conditions | Store in a cool, well-ventilated area, away from incompatible materials |
As an accredited Hydrochloric Acid 31% factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
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Purity 31%: Hydrochloric Acid 31% with purity 31% is used in steel pickling, where it enables rapid oxide removal and ensures a uniform metal surface. Stability temperature 25°C: Hydrochloric Acid 31% with stability temperature 25°C is used in pH control of process water, where it maintains consistent acid strength for precise dosing. Density 1.15 g/cm³: Hydrochloric Acid 31% with density 1.15 g/cm³ is used in regeneration of ion exchange resins, where it achieves efficient ion displacement and resin longevity. Volatility moderate: Hydrochloric Acid 31% with moderate volatility is used in food processing for gelatin production, where it enables effective collagen hydrolysis with limited emission loss. Chloride content 19%: Hydrochloric Acid 31% with chloride content 19% is used in production of inorganic chlorides, where it promotes high-yield conversion and product purity. Color clear: Hydrochloric Acid 31% with clear color is used in laboratory reagent preparation, where it prevents contamination and allows visual clarity of solutions. Boiling point 84°C: Hydrochloric Acid 31% with boiling point 84°C is used in acid leaching of ores, where it facilitates effective extraction at controlled temperatures. Corrosive index high: Hydrochloric Acid 31% with high corrosive index is used in masonry cleaning, where it provides efficient removal of mortar stains and mineral deposits. Odor pungent: Hydrochloric Acid 31% with pungent odor is used in wastewater neutralization, where rapid reaction indicates active acid presence for process control. Trace metal content <10 ppm: Hydrochloric Acid 31% with trace metal content less than 10 ppm is used in electronics manufacturing, where it ensures compatibility for high-purity circuit cleaning. |
| Packing | Hydrochloric Acid 31% is packaged in a 25-liter high-density polyethylene (HDPE) drum with secure, leak-proof, chemical-resistant sealing. |
| Container Loading (20′ FCL) | Hydrochloric Acid 31% is typically shipped in a 20′ FCL containing palletized HDPE drums or IBC tanks, ensuring safe, bulk transport. |
| Shipping | Hydrochloric Acid 31% must be shipped as a hazardous material, in corrosion-resistant, tightly sealed containers. It should be labeled according to relevant regulations (UN1789, Class 8) and packed to prevent leaks. Transport must comply with local and international safety guidelines, ensuring proper handling, ventilation, and emergency response procedures during transit. |
| Storage | Hydrochloric Acid 31% should be stored in tightly closed, corrosion-resistant containers, such as those made from PVC, polyethylene, or glass. Keep in a cool, well-ventilated area away from direct sunlight, heat sources, and incompatible substances like bases, oxidizers, or metals. Clearly label storage containers and ensure access to spill containment and appropriate safety equipment. Store at temperatures below 30°C. |
| Shelf Life | Hydrochloric Acid 31% typically has an indefinite shelf life if stored properly in tightly sealed containers, away from heat and sunlight. |
Competitive Hydrochloric Acid 31% prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@bouling-chem.com.
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In the chemical industry, there are few staples as trusted and widely used as hydrochloric acid—sometimes known simply as HCl. As manufacturers, we bring Hydrochloric Acid 31% to clients prioritizing consistent results over flashy marketing. Here, the attention lies on the actual day-in, day-out performance of this acid in diverse environments, from bulk chemical synthesis to surface treatment lines. At the plant, every batch comes under careful scrutiny. The goal is not just meeting a concentration spec, but delivering a product our own team is confident to use in their operations.
We focus production on the hydrochloric acid 31% model for a reason. By holding to this widely-used concentration, our engineers, quality controllers, and operators work with a concentration that remains manageable in terms of fume control, corrosion handling, and precise dosing. In reality, every liter flows through equipment built to withstand harsh acids, and every vent stack serves as a reminder of why purity and consistency matter not on paper, but on the actual shop floor.
There is a straightforward reason we keep our main product at 31%. Too diluted and transport costs spike, application times climb, and customers need to move more water for the same process outcomes. Too highly concentrated and the acid shifts from being practical to a handling liability—personal protection needs go up, more rigorous containment, and even the tanks or piping might corrode sooner, depending on the alloy. Over decades of plant work, 31% has proven itself as a reliable compromise for industrial and commercial users alike. At this level, the risk of fume generation stays under tighter control while still packing the power needed for applications like pickling steel, cleaning scale, adjusting water pH, etching, or even in food processing and pool maintenance. It’s not picked at random, it’s the result of countless feedback loops between us and our long-standing customers.
Overseeing filling lines here, we measure this product against internal benchmarks and third-party auditors. Samples from the batch get titrated, checked for iron and heavy metal traces, and undergo regular spectroscopic scans. In our own auxiliary treatments and pilot runs, we have learned how quickly a ppm of impurity can mess up an entire vessel, so the process never takes purity for granted. 31% means more than “full strength”—it signals a target where operational safety and industrial efficiency meet. Each day on our site, this is the standard we uphold.
Manufacturing hydrochloric acid in the plant means the end-consumer’s needs are never abstract. The 31% concentration fits like a glove in a variety of important industrial processes. Steel companies rely on it to clear rust and scale from metal surfaces before further processing or coating, as the acid strips away oxides efficiently yet does not cost extra energy or time in neutralizing. In the water treatment sector, operators use controlled doses to bring municipal and industrial water supply into target pH, improving microbial stability and meeting legal discharge thresholds.
In mining and calcium carbonate production, this acid model acts as a leaching agent, helping separate valuable ores or refine minerals. In other sectors, whether it’s the degreasing of equipment or the regeneration of ion exchange resins, the solution provides the required reactivity with direct, predictable outcomes—it dissolves unwanted scales and neutralizes residues without introducing excessive secondary contaminants.
Even in food processing—where food-grade HCl at 31% helps modify starches, adjust pH in dairy, or process gelatin—end-users need confidence in chemical composition and impurity profile. Our quality protocols match what the line operators in those plants demand: product that passes food safety benchmarks, with every certificate traceable to our batch records. Years of operation have shown us that if a customer’s product line suffers from unreliable acid purity, the entire downstream chain falters.
Manufacturing hydrochloric acid presents hazards most people outside the industry never see. Corrosive fog, trace metals leaching from pipes, condensation striking and dripping down steel beams—all of it stands as a challenge. Our team spends as much time on preventative maintenance as on actual synthesis; every weld, flange, and pump must resist the acid. In fact, the experience gained over years has led to process tweaks—modulating flow rates, updating vent scrubbers, choosing tanks made from special plastics or steel alloys depending on the section of our line.
On the shop floor, the process never relaxes. We prioritize self-auditing and third-party checks over mere paperwork. Blueprints show the placement of acid-resistant bricks, and the utility map highlights where vapor barriers sit inside the building. Our control rooms display not just product flow, but continual readings from downstream purity checks. There’s no shortcut—real manufacturing experience tells you purity is hard-won, not automatic. If minor contamination slips in, it can echo through our customers’ products within a week. By keeping the plant disciplined, we ensure that our hydrochloric acid leaves this site meeting published standards and the tacit requirements of experienced plant managers at receiving facilities.
Hydrochloric acid comes in various grades, but our data and field experience point to 31% as the concentration most adaptable across a spectrum of situations. Lower concentrations—say, 10% or below—see use in laboratories or applications where corrosion risk outweighs the need for economic transport. Higher concentrations, up to 38%, show up in specialty synthesis environments and certain rapid-pickling operations. Yet outside tightly controlled conditions, higher percentages mean more fumes, faster corrosion, reduced shelf-life after dilution, and tougher regulatory compliance for shipping.
We tested how higher grades handle in varying climates. From winter in the north to humid southern warehouses, the results repeated: higher loss to vaporization, greater risk of chemical burns, and transport incidents edging higher. By contrast, 31% delivers the reactivity needed for most operational routines without jumping up costs or losses through container venting. In the real world—tank trucks making long highway trips, storage tanks sitting through temperature cycling—reliability trumps raw power. Fielding customer calls for years has taught us that most switch to 31% not due to price, but due to fewer surprises and a better safety envelope.
Every technician who handles our hydrochloric acid has gathered stories best told over breakroom coffee. Acid eats through not just cheap gloves but lesser-grade steel. Fume exposure can sneak up even on experienced workers, reminding everyone that handling discipline starts on day one and never ends. With 31%, we have tuned our procedures for safe dilution, tank filling, and overpressure release. Train enough new hires and the real differences with higher concentrations show—less downtime for incident response, fewer employee complaints about fume irritation, more uptime for filling lines.
System longevity ties directly to concentration choice. Pipes, pumps, and seals face continual acid exposure, and their maintenance intervals stretch further with 31% than with stronger concentrations. Routine inspections reveal less pitting, and gasket swaps drop over the months. For companies tracking overall equipment effectiveness, these effects compound: more planned runtime, less reactive shutdown. The 31% model lets maintenance teams focus on real bottlenecks rather than scrambling to stop premature failures. We know this because we have cost records and itemized downtime—these numbers persuade customers in ways no marketing claims can.
The feedback loop between our production and our industrial client base runs deep. Customers tell us less about the theoretical properties of HCl and more about practical outcomes: whether our acid leaves deposits in their systems, whether titration results stay within targets, how quickly drums empty under gravity or pump, if splash hazards get worse due to aggressive vapor. Years spent reviewing these reports, reading noncompliance tickets, and speaking on plant visits all shape our approach.
Production here adapts to those realities. Our batch records track not just concentration, but secondary ions and possible upsets. If end users report buildup in their clarifiers or scaling in heat exchangers after a run with our acid, we trace the root cause—sometimes the problem ties back to a subtle change in our upstream input, sometimes to a supplier’s minor drift in purity. We view it as part of the job, not a nuisance. Manufacturing experience here means tuning processes for actual market conditions rather than working off a chemistry textbook.
Customers from sectors as different as mining, municipal utilities, and metal fabrication share the same fundamental concern: they want a product that doesn’t fail them in high-pressure environments. Hydrochloric acid at 31% answers that, whether that means clearing a pipeline blockage or bringing a bath to working pH. Our role is to be responsive—not in theory, but in every delivered batch, shipment schedule, and after-action report.
Moving corrosive acid in bulk bears its own risks. Our operations team selects containers based on years tracking which tanks, drums, and ISO containers handle pressure, temperature swings, UV exposure, and mechanical shock. With 31% concentration, we strike a balance between optimizing cargo payloads and ensuring customer tanks or lines do not get overtaxed by excessive acidity or vapor emission. If the acid’s too strong, exposure risk jumps; if too weak, customers burn money on logistics.
Internal training emphasizes safe handling from fill to delivery, with regular drills for leaks or spills. Drivers and warehouse teams know to treat every container, valve, and nozzle as a potential weak point. Over decades, our data show the most reliable shipments use heavy-duty plastic linings and vented closures designed for this precise concentration. Feedback from shippers, and claim records from minor incidents, reinforce the same lesson: specification and real-world usability beat arbitrary targets at every scale of delivery.
Producing and selling hydrochloric acid involves environmental and legal responsibility as much as process know-how. Local regulations set emissions targets, discharge pH limits, and corrosion controls. At this facility, we invest in secondary containment, air scrubbing units, and smart monitoring. Acid runoff or vapor loss is never a remote risk—plant history tells us it will happen unless vigilance remains part of the culture.
We must factor these requirements into concentration choice. At 31%, emissions can be scrubbed effectively, and our wastewater treatment plant processes dilute waste with less chemical input compared to handling concentrated residuals. Disposal and accident reporting protocols map directly onto this handling profile. Years spent managing environmental compliance convince us this concentration threads the needle between operational utility and regulatory best practice. We know from firsthand oversight that even a small misstep—overflow, bulk tank failure, small leak—can draw regulatory scrutiny. Our operations team recognizes this and designs procedures to stay on the right side of safety and environmental law.
Markets, technology, and industrial practices do not stand still. Our senior process engineers keep ears to the ground for upcoming shifts—whether it’s the adoption of new alloys that resist corrosion better, digital traceability standards, or emerging applications in battery production and semiconductor manufacture. What stands the test of time is not just a specific chemical formula, but the way we build flexibility into our plant systems.
With decades of handling hydrochloric acid, we have seen new requirements enter the scene. Certifications for food-grade batches, on-site tank farm refurbishments, or customized blending to match customers’ unique ratios—these changes roll in, and each time, the 31% solution proves itself as a stable workhorse. Where other suppliers might chase market fads, our job is to deliver consistent, honest product adapted to what real people and systems need. Our continuous improvement team, made up of operators and engineers who came up through the ranks, leads process upgrades based squarely on user feedback and the everyday observations from our own production floor.
Hydrochloric Acid 31% stands not just as another chemical on a sales list, but as a product forged by experience, shaped by feedback, and proven over thousands of deliveries. From raw input to filled drum, our process reflects lessons learned the hard way—by making, testing, handling, and using this acid in our own facility and then watching customers do the same in theirs. It earns loyalty not through theoretical claims, but through reliability, safety, and consistent performance.
Manufacturers like us don’t get to hide behind fine print. Each truckload, each drum, each batch must do the job right, or plant managers let us know—quickly and directly. By putting pride, process control, and real manufacturing expertise into every liter of Hydrochloric Acid 31%, we deliver on what the chemical industry, utilities, and heavy users actually demand. No product makes it out onto the shipping ramp unless it meets both published standards and the unspoken ones everyone in the field comes to expect.
Here, at the heart of chemical manufacturing, Hydrochloric Acid 31% represents not just a specification, but the product of decades learning what works best—through accident reports, maintenance cycles, real-world workflows, and honest discussions across the industry. We keep making it the way we do for one reason: customers count on it to work, every single time.