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HS Code |
243994 |
| Chemicalname | Hydrochloric acid |
| Chemicalformula | HCl |
| Molarmass | 36.46 g/mol |
| Appearance | Colorless to slightly yellow liquid |
| Odor | Pungent, irritating smell |
| Density | 1.18 g/cm³ (for 37% solution) |
| Ph | <1 (for concentrated solution) |
| Boilingpoint | 110 °C (for 20% solution) |
| Meltingpoint | -27.32 °C |
| Solubilityinwater | Miscible |
| Casnumber | 7647-01-0 |
As an accredited Hydrochloric acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Hydrochloric acid is packaged in a 2.5-liter high-density polyethylene (HDPE) bottle with a secure screw cap and hazard labeling. |
| Container Loading (20′ FCL) | Hydrochloric acid is loaded in 20′ FCL using corrosion-resistant IBCs or drums, securely packed to prevent leaks and contamination. |
| Shipping | Hydrochloric acid must be shipped in tightly sealed, corrosion-resistant containers, preferably made of glass, certain plastics, or lined steel. It should be clearly labeled as hazardous, handled by trained personnel, and transported in compliance with relevant regulations (such as DOT, ADR, or IMDG). Avoid exposure to heat, incompatible substances, and physical damage. |
| Storage | Hydrochloric acid should be stored in tightly sealed, corrosion-resistant containers, such as those made of glass or specific plastics (e.g., PVC or polyethylene). Store it in a cool, well-ventilated area away from direct sunlight, moisture, and incompatible substances like alkalis and oxidizers. Clearly label containers and keep them in secondary containment to prevent leaks or spills. |
| Shelf Life | Hydrochloric acid typically has an indefinite shelf life if stored properly in tightly sealed containers away from heat and direct sunlight. |
Applications of Hydrochloric Acid in Industrial ManufacturingOur hydrochloric acid is produced under rigorous controls to meet the diverse needs of industrial downstream partners. Below we detail how leading sectors integrate this material into core processes, summarizing compliant use, typical formulation ratios, integration points, and real finished product types derived from our direct customer feedback and manufacturing insights. 1. Steel Pickling and Surface TreatmentSteel fabricators utilize hydrochloric acid in pickling baths to dissolve oxide scale and rust from hot-rolled carbon steel coils, tubes, and bars before further processing stages such as rolling, galvanizing, or coating. The acid's ability to deliver controlled oxide and impurity removal directly affects downstream coatings’ adhesion and overall product integrity. Our material regularly supplies continuous and batch pickling lines, supporting consistent throughput and minimizing downtime related to bath maintenance. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Inorganic Chloride Salts Production (Calcium/Magnesium/Aluminum Chlorides)Producers of industrial chloride salts depend on hydrochloric acid as a direct reactant with metals, oxides, or carbonates to synthesize high-purity chlorides for dust control, road deicing, desiccation, and water treatment markets. Precision control during neutralization and exothermic reactions ensures desired salt grade, particle morphology, and absence of residual acid, a concern particularly for food-grade applications. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Polyvinyl Chloride (PVC) and Vinyl Chloride Monomer (VCM) ProductionHydrochloric acid supports chlor-alkali and ethylene dichloride industry partners as a byproduct and is recycled or dosed as a reagent during the oxychlorination step of EDC to VCM, which is crucial for stable conversion rates and product quality. Plant operators modulate acid flow to optimize chloride balance and manage process-side corrosion risks. Monitoring feeds for sodium and iron content from raw acid maintains reactor and catalyst life. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Water Treatment and Ion Exchange Resin RegenerationMunicipal and industrial water treatment facilities rely on hydrochloric acid for periodic regeneration of cation exchange resins, which restore their ability to remove calcium and magnesium ions and prevent scale in boilers, cooling towers, and ultrapure water systems. Acid solutions displace metal ions from resin beds; operators monitor rinse pH to avoid incomplete cycling or resin degradation. Product specifications and certifications demanded in potable water applications frequently require trace element testing. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Organic Chemical Synthesis—Pharmaceuticals and AgrochemicalsActive pharmaceutical ingredient (API) and crop protection compound producers incorporate hydrochloric acid in synthesis, work-up, and pH-adjustment stages. The acid drives chlorination, hydrolysis, and salt formation reactions, impacting molecule integrity and downstream crystallization. Quality, heavy metal limits, and batch-test documentation support regulatory submissions. Custom acidity adjustment ensures targeted impurity profiles for specific substances. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
6. Leather Tanning and ProcessingLeather processors use hydrochloric acid in the pickling process, which precedes tanning. Acidification of hides or skins ensures the uptake and fixation of chrome tanning agents and enables uniform penetration. Awareness of effluent discharge quality, chromium contamination, and worker exposure guides consumption and subsequent neutralization strategies. Finished product performance is closely monitored via split-lab and in-line QC tests. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
7. Food Ingredient Processing—Gelatin and Collagen HydrolysisFood ingredient processors rely on hydrochloric acid for the controlled hydrolysis of collagen-rich animal byproducts, unlocking gelatin and peptide fractions used in confectionery, nutrition, and pharmaceutical-grade capsules. The material’s purity and microbiological profile directly impact trace element contamination, and plant processes must manage spent acid and ensure full neutralization before edible fraction extraction. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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Competitive Hydrochloric 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 over thirty years, our plant has produced large volumes of hydrochloric acid every day, guided by the simplest rule in chemistry: purity drives performance. Hydrochloric acid remains one of those indispensable chemicals that turns up everywhere, from pickling steel and purifying salt to making pharmaceuticals and cleaning membranes. We supply this product in concentrations ranging from 31% to 35%, which stands as the clear standard for industrial-grade acid in liquid form. That range ensures the chemical's bite is at its strongest while maintaining the handling properties needed for bulk operations.
People who have spent time around chemical plants or water treatment facilities know that inconsistent acid costs time and leaks trust. Buyers running bulk tank trucks or working with automated dosing systems have always made it clear: a shift in concentration causes headaches, from tank corrosion to batch failures. Our engineers double-check every reactor run. We track every batch through standard titration and spectrophotometric analysis, focusing only on what matters — is the material pure, and does it hit the specified strength?
Hydrochloric acid isn’t a specialty chemical, but the job it does can’t be replaced by something else in many applications. Take acid washing in the metal industry. Low-purity acid leaves residue on steel, ruining the finish and causing downstream problems when metals are coated or welded. We process to limit iron and organic impurity pickup, and we ship in tankers designed to keep outside contaminants at bay. That comes from listening to end users and years of seeing what goes wrong across sectors from textile dyeing to food processing sanitation.
We supply hydrochloric acid under models denoting concentration and intended use: for general industry, the standard is 31% or 33% HCl, packed in tankers, drums, or intermediate bulk containers built for easy unloading. The 35% grade serves high-throughput users who need more acid with each delivery. Concentration accuracy stays at ±0.5%, and our QA lab spots-checks batches every shift, because it only takes a fractional slip to knock a process off balance.
Customers in food and pharmaceutical use cases request extra details: absence of metals, clarity, even volatile organic compounds. We use food-compliant liners and test to below 5 ppm for heavy metals such as lead or mercury. For semiconductor cleaning, our team runs multi-stage filtration on dedicated lines, minimizing particles and trace ions. We avoid buffering agents or stabilizers because these additives just add variables in tightly controlled processes.
Sometimes customers call for sulfuric or nitric acid for similar dissolving power but the chemistry isn’t interchangeable. Hydrochloric acid gives a unique blend of low boiling point, high solubility for chlorides, and a fast, predictable reaction with most oxides and carbonates. It doesn’t leave sulfates or nitrates behind, so people cleaning scale out of boilers, manufacturing dyes, or producing PVC value quick rinsing and lack of byproducts. From thousands of conversations on the shipping dock, we have seen how this translates into less maintenance and lower downstream contamination compared to other mineral acids.
In steel pickling, hydrochloric acid removes mill scale efficiently and leaves less residue, while sulfuric acid introduces unwanted sulfates that can pose environmental headaches or shorten equipment life. In the oil and gas industry, hydrochloric acid treatments penetrate rock, breaking up deposits without forming persistent precipitates that later cause blockages. After every use case study supplied by our technical team, operators call back for repeat business because they see lower cleaning frequency and faster turnaround, not just a theoretical advantage.
We have filled railcars and drums for generations of users: metal finishers, pool suppliers, resin plants, even small towns treating drinking water. Each of them runs into problems when the acid doesn’t deliver what they expect. When someone calls in, saying their cleaning pump failed or boiler tubes are clogged, the first step is looking at the acid’s spec and shipment history. Deviations are rare, but we maintain records reaching a decade back because process failure often has roots in those details.
In water treatment, operators add our acid to lower pH and control scale. Every so often, a customer tries a cheaper import or cuts filler water and finds their system corroded due to variable strengths or contaminated product. They come back for our mainline model because years of tracked results show it works the same way every time, even when the water composition shifts. Pool suppliers stick with our hydrochloric acid because a miscalculation in strength, even by a few percent, means unstable water, ruined liners, and warranty claims.
A chemical plant lives or dies by its safety and traceability, especially with something as straightforward — but dangerous — as hydrochloric acid. Implementing ISO 9001 and ISO 14001 was a grind, but it built discipline into every delivery and batch log. Meeting the requirements for Food Chemicals Codex (FCC) and United States Pharmacopeia (USP) grades means testing every input — water, salt, and packaging — and regularly auditing our lines. We have watched rival suppliers falter because they cut corners on rinsing or failed to separate pharmaceutical packing runs from industrial grades, contaminating batches and erasing years of trust in one recall.
Pressure always comes from buyers to lower costs or blur the lines between waste and process-grade materials. We decline to cut hydrochloric acid with reclaimed streams unless the rerun acid clears the same QA markers for purity and absence of heavy metals as brine-split product. A batch with trace oil carryover or iron ions stands out, turning up as sediment in user tanks or haze on product surfaces. That’s not only a reputation risk but also a set of practical headaches we have learned, from fielding angry maintenance supervisors to dealing with insurance audits after spills.
Hydrochloric acid misuse creates risks for people and soil alike. Over the years, we have invested in better vapor scrubbing, process containment, and spill prevention because nothing wipes out profits faster than an environmental accident. We capture almost all HCl vapors and recover much of the byproduct; a portion re-enters our production loop or ships out as technical blendstock. Our plant uses closed-loop cooling and rigid stormwater controls, which cost money up front but pay back through fewer cleanups and regulatory headaches.
Transport and packaging also matter. Old steel barrels used to rust and fail, leaking acid onto docks and roadsides. We now supply bulk acid in polymer-lined tankers and UN-approved composite drums. Every returnable container undergoes a thorough inspection and wash before reissue. By working with logistics providers experienced in chemical handling, we cut the odds of wrong-site deliveries or tanker cross-contamination. While no operation is perfect, loss rates have dropped to a fraction of a percent from where they were ten years ago, based on internal tracking.
Supplying hydrochloric acid in bulk isn’t just about price or shipping speed. Many long-time customers have invited our technicians on site to audit their tanks and dosing systems. We walk down the line, checking for leaky fittings, rusted gaskets, or places where acid backs up. Through these visits, we find systems that last decades and others where shortcuts turn small leaks into major repair bills.
Advice given over the phone counts for little without facts. We send out titration kits and detailed Certificates of Analysis on every batch. Users blend acid in manifold systems, sometimes injecting into high-pressure mixing lines. We recommend polyethylene or rubber-lined pipework and urge users to avoid galvanic couples that accelerate corrosion. In each case, customers running legacy systems benefit most from honest feedback and careful documentation, not another sales pitch.
We learn a lot from repeat users, especially those who run lean teams and can’t spare a person to babysit every bulk unload. Installing float-level controls and automated shutoff valves has cut accidental overflows to near zero at partner sites. Training new staff in the basics — check acid strength, wear full PPE, never mix with sodium hypochlorite — keeps both the plant and our customers’ teams safe.
Customers sometimes ask if other acids can take HCl’s place. Our experience says only in certain scenarios. Sulfuric acid often gets chosen for price or availability, but it brings its own baggage: persistent sulfate scaling, high viscosity, and trickier neutralization during wastewater cleanup. Hydrochloric acid rinses readily and reacts faster at ambient conditions — proven on hundreds of tons of steel or cement cleaned each week.
Phosphoric acid, often used in food, brings nutrient value but does less to dissolve scale or break down oil residues. Nitric acid, with its strong oxidizing punch, turns metal bright but also puts operators at risk of toxic nitrogen oxide fumes. Our hydrochloric acid stands out for being reliable, manageable, and upstream of fewer environmental compliance complications. Volatility and high vapor pressure require secure storage and short unloading times but rarely cause issue when users follow basic precautions.
Every buyer has seen misleading offers for “high-efficiency” or “green” acids that mix recycled streams, integrate surfactants, or maintain dilute forms that sound safer on paper. Decades spent running our plant have shown that introducing additives or lowering strength only confuses operations and requires larger tankage, more shipments, and increased waste handling. We keep formulations simple and transparent, tracing every input to a quality-assured origin, not pieced together from unknown blends.
From the plant floor to receiving docks, hydrochloric acid needs laser focus on safe handling. Our internal rules grew out of incidents: minor spills during loading, and two occasions where paperwork errors led tankers to the wrong customer. By reviewing those cases, we presented best practice guides for every customer running bulk tanks or drawing from drums. Controls now include clear color coding, dedicated acid transfer tools, and regular drills for staff.
Spill response protocols are field-tested, updated after every incident, and built into driver training. Acid burns and inhalation injuries rarely occur in experienced hands, but we see new hires or contractors make missteps each year. Routine refreshers work better than walls of warning text hung in break rooms. Honest reporting, audits, and walk-throughs matter more than safety slogans.
Every time a shipment goes out, we think about the factories, towns, and worksites trusting our name. It’s not about chasing a logo or latest buzzword but delivering a product that works the same on Monday morning as on any day of the year. We keep water, raw salt, and process lines dedicated to hydrochloric acid production, with third-party audits and regulatory checks baked in.
Hydrochloric acid manufacturers have learned through years of practice that no shortcut in feedstock or plant design pays off. We maintain backup reactors and carry reserve stocks of brine and utilities, so the supply chain keeps moving even when power goes out or logistics hit a snag. Our operators log every pressure change and temperature spike, knowing that a minute missed can lead to a quality drop or leak. This dedication flows through to the end users, who expect to get what they ordered each and every load.
Hydrochloric acid keeps earning its place as a backbone chemical not through glamour, but because it works across a huge range of industries and scales. As regulations sharpen, emissions and disposal standards grow tougher every year. Our experience suggests adaptation lies in better process integration, cleaner feedstocks, and new containment systems rather than flashy reformulation.
Many users seek to reduce acid consumption by refining dosing strategies, investing in pH sensors, and automating neutralization. We field these requests with technically trained staff — people who have run production lines, not just managed spreadsheets. Every system audit and customer feedback loop translates into longer equipment life and tighter environmental compliance.
The day-to-day effort comes down to small details: batch logs cross-checked, shipment documentation confirmed, safety measures revisited, and tanks left clean and ready for the next fill. Hydrochloric acid may look like a simple solution, but producing and supplying it responsibly calls for skill earned from experience, not theory out of a book. At every stage, from our reactors to your process tanks, reliability and safety remain the foundation we’re known for.
