Hydrochloric Acid

    • Product Name: Hydrochloric Acid
    • Chemical Name (IUPAC): hydrochloric acid
    • CAS No.: 7647-01-0
    • Chemical Formula: HCl
    • 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

    177890

    Chemical Name Hydrochloric Acid
    Chemical Formula HCl
    Cas Number 7647-01-0
    Molar Mass 36.46 g/mol
    Appearance Colorless to slightly yellow liquid
    Odor Pungent, irritating odor
    Density 1.18 g/cm³ (concentrated solution)
    Melting Point -27.32°C
    Boiling Point 110°C (20.2% solution)
    Solubility In Water Miscible
    Ph < 1 (concentrated solution)
    Vapor Pressure 40 mmHg (at 21°C)

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

    Application of Hydrochloric Acid

    Purity 37%: Hydrochloric Acid with 37% purity is used in pharmaceutical synthesis, where it ensures high reactivity and product yield.

    Molecular Weight 36.46 g/mol: Hydrochloric Acid with molecular weight 36.46 g/mol is used in laboratory titrations, where it provides precise stoichiometric accuracy.

    Viscosity Grade Low: Hydrochloric Acid of low viscosity grade is used in pickling steel, where it achieves efficient oxide layer removal.

    Stability Temperature up to 40°C: Hydrochloric Acid with stability temperature up to 40°C is used in PVC production, where it maintains process consistency under industrial conditions.

    Purity 30%: Hydrochloric Acid with 30% purity is used in food processing, where it enables safe pH regulation and sanitation.

    Trace Metals <5 ppm: Hydrochloric Acid with trace metals below 5 ppm is used in semiconductor manufacturing, where it guarantees minimal contamination risk.

    Colorless Grade: Hydrochloric Acid of colorless grade is used in water treatment, where it allows clear visual monitoring of dosing.

    Specific Gravity 1.18: Hydrochloric Acid with specific gravity of 1.18 is used in mining applications, where it promotes effective ore leaching.

    Purity Analytical Reagent Grade: Hydrochloric Acid of analytical reagent grade purity is used in chemical analysis, where it supports reliable and reproducible assay results.

    Volatility High: Hydrochloric Acid with high volatility is used in gas absorption processes, where it facilitates rapid mass transfer and neutralization.

    Packing & Storage
    Packing A sturdy, corrosion-resistant, blue plastic drum containing 25 liters of Hydrochloric Acid, clearly labeled with hazard symbols and safety information.
    Container Loading (20′ FCL) Container loading (20′ FCL) for Hydrochloric Acid involves securely loading drums/IBCs, ensuring safe transport, compliance, and proper labeling for shipment.
    Shipping Hydrochloric acid must be shipped in tightly sealed, corrosion-resistant containers, clearly labeled with hazard warnings. It is classified as a corrosive material and requires handling under ADR/RID, IMDG, and IATA regulations. The chemical should be kept upright, away from incompatible substances, and transported with proper documentation and emergency response information.
    Storage Hydrochloric acid should be stored in tightly closed, corrosion-resistant containers such as glass or specific plastics (e.g., PVC or polyethylene). Store in a cool, well-ventilated, dry area, away from incompatible substances like strong bases and metals. Clearly label containers, and keep them away from heat sources and direct sunlight. Use secondary containment to prevent spills and ensure adequate emergency procedures are in place.
    Shelf Life Hydrochloric acid typically has an indefinite shelf life if stored properly in tightly sealed containers away from direct sunlight and heat.
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    More Introduction

    Hydrochloric Acid: From Factory Floors to Key Industrial Roles

    Hydrochloric Acid at Its Core

    Every tank and drum that leaves our site carries a legacy of precision, diligence, and experience. Hydrochloric acid, in many ways, tells a story: a substance with an unassuming clear appearance yet enormous utility. Decades back, shifts in demand shaped how we scaled production, invested in purer raw materials, and designed processes to make sure each batch lands on spec. The concentration we deliver most often reaches a typical 31-33% weight solution, clear as water, pungent, unmistakable. We listen to feedback from our long-standing relationships with customers in steel, chemical processing, food, and water treatment. Real usage data keeps steering our product development — it’s not about hitting numbers in a lab, it’s about how it cleans steel, balances pH, frees stuck pipes, or extracts ores on the ground.

    Our teams have learned there’s no blank slate in industry. Every process expects a certain standard. For instance, the pickling lines in steel mills will loudlly complain if the iron content creeps up, so our spec puts purity in the foreground. When you’re blending it for water treatment, purity keeps foreign residues from entering cycles. Handling and storage prompts a different focus — reduction of volatility, minimizing fume loss, monitoring drum integrity. Not all hydrochloric acid is the same, as some vendors relabel lower-purity byproduct acid. That route might invite batch variation or residual contamination, which can corrode beyond intent or slow processing steps. We don’t ship anything until it conforms to industrial, food, or electronics-grade targets, whatever the market demands. Our documentation, tested batch by batch, stands to support our reputation.

    Walking Through Production and Quality

    Producing hydrochloric acid isn’t only about reacting hydrogen chloride with water. At scale, the choices around equipment, purity of feedstock, gas absorption, and storage tanks translate into hidden gains or big losses. We learned — sometimes the hard way — that corrosion creeps in on valves, and off-spec blends eat through pipes faster. We’ve made it a point to invest in lined reactors, choose welding over threaded joints where feasible, monitor process air quality, and dehumidify storage bays. These might seem like small details, but downtime caused by faulty fittings or leaking tanks eats into everyone’s margins.

    Quality control teams spend more time with titrators and inline sensors than at their desks. Over and over, the same tests for acidity, color, and iron content repeat from batch to batch. For some customers, like food processors, trace metals become the central worry; for others, like chemical blenders, consistent molarity trumps everything. We have trained older hands to recognize a change in odor hinting at impurities the sensors haven't caught — intuition built on years around the plant. Technology helps, but never fully removes the need for boots on the concrete.

    Customer Needs Drive the Product

    Over years in production, you see how hydrochloric acid’s role flexes per industry. Steel producers never want to see “organic residues” in their pickling lines — one misplaced drum, and a million-dollar roll faces surface defects. Food plants, on the other hand, demand a guarantee: the acid can’t introduce any foreign taste, odor, or metallic aftertaste to their batches. We’ve partnered with bottlers in the beverage industry who want high clarity, proven low heavy metals, and strict transport timelines. Many times, a batch doesn’t look any different to the naked eye. Only timely analysis in the lab confirms enough difference that a shipment gets rerouted, or an application shifts grade. Our plant floors talk directly to our clients, not only salespeople — that has stopped more headaches than any marketing brochure.

    Users in the oilfield expect another layer: reliability in field conditions. Hydrochloric acid shipped from our site toward well-acidizing jobs goes in trucks built to handle desert heat, and comes with documentation on how we maintain batch traceability. We provide the spec sheets, but more than that, we listen when crews report odors, vapor issues, or coating degradation. Sometimes it means changing the drum supplier; sometimes it demands tweaking our own process settings to hit tighter spec. We’ve seen how open feedback loops — even if it means taking returns — improve the final product and keep partnerships running for decades.

    Comparing Hydrochloric Acid to Other Acids

    In a world full of acids, hydrochloric acid offers something distinct. Sulfuric acid sits in many of the same plants. Phosphoric and nitric have their niches, too. Where hydrochloric acid stands out is reactivity with oxides, and the clean, volatile nature of its residue. After you pickle steel with hydrochloric, the result, properly rinsed, presents a metallic surface that’s ready for coatings — no heavy sulfate layer to scrub, minimal surface roughening. Our customers remind us: switching to sulfuric can leave persistent films that complicate downstream painting or galvanizing. In water treatment, hydrochloric acid’s strong mineral acidity brings pH down quickly, without leaving nonvolatile salts that build up in piping or reactors.

    Phosphoric or citric acid solutions have merits in food and beverage, but neither match hydrochloric’s aggressive mineral action. The real trade-off often comes down to residue, corrosion, and regulatory perceptions. Hydrochloric vapor demands attention for ventilation and safety, but the residue rinses away — it’s not sneaky. On the floor, you know if it spills, because you smell and see fuming. Our team builds ventilation and containment into our facility, so when clients ask about safe handling, cleanup protocols, or spill response, our instructions come from years of practical oversight. We share direct experience, not just manufacturer bulletins, including how we’ve handled warehouse leaks or loading mishaps.

    Handling and Storage: What Matters Day-to-Day

    Beyond the obvious — hydrochloric acid will chew through uncoated steel — there are lessons every production site picks up with experience. It’s tempting for an end user to think all plastic drums or tanks are created equal. Over time, we watched how less robust polymer tanks turn brittle with UV exposure and repeated filling. We insist only vetted containers leave our plant, rated for both concentrated acid and transport conditions. For rail deliveries, lining material and top venting become even more critical. One poorly secured valve, and what should be a routine offload becomes an emergency.

    Personal exposure drives most of our training. No discussion of hydrochloric leaves out proper PPE, eyewash stations, and routine tank checks. We still speak of an old hand who ignored a cracked goggle seal and paid the price in recovery time. Acid vapors accumulate in poorly ventilated corners, and corrosion eats low-quality fittings. Regular inspections aren’t abstract safety – they keep product pure and people healthy. We don’t rely on luck, and we don’t outsource responsibility; every staff member knows the acid, and the plant, by muscle memory.

    Sustainability: Challenges and Solutions

    Chemical manufacturing faces tough scrutiny. Hydrochloric acid presents unique environmental challenges — fume control, wastewater, and emergencies demand discipline. We invested years upgrading our scrubbers. State-of-the-art doesn’t just mean filtering air for regulations, it means not inviting odor complaints from neighbors, not freezing up in cold snaps, and not letting low-level leaks go unnoticed. Water discharge from cleanups and rinsing runs through neutralization basins: our team tracks pH shifts in real-time and adjusts alkali dosing. These steps take time and money, but no shortcut lasts for long in this business.

    Transport comes with its risks. We’ve pushed for GPS-tracked tankers, and we certify every driver on acid-specific hazards — not just generic chemical loads. Community drills prepare for off-site accidents, and customer sites get real documents, not only generic templates, about what to expect and how to react. Feedback from regulators and local emergency crews gets built straight into our SOPs, year over year. We learn faster by working with, not against, inspectors. Each adjustment makes our output safer and our relationships healthier. That might sound idealistic, but every incident averted means real costs spared and trust preserved.

    Industry Changes and Hydrochloric Acid’s Role

    Hydrochloric acid’s status in industry has evolved. As steelmaking develops new alloys or changes in global flows push for cleaner output, we analyze and adjust our acid specs. Higher-quality steel demands fewer contaminants, which means cleaning up the acid base and investing in better filtration. Battery manufacturing for electric vehicles brought a new set of standards — tight specifications, narrower product windows, and tested traceability. We run pilot batches with new users before ramping up, so supply chains don’t stumble at scale. Competition pushes us out of complacency; every season tools might update, and every broker asks harder questions about origin, trace metals, and testing regime.

    Food and water treatment sectors, spurred by new regulations, request stricter documentation. We work directly with their auditors, open our books, let them walk our floors, and sample product live from our tanks. For us, transparency isn’t a PR move — it keeps the business grounded and stabilizes demand. There’s satisfaction when a client’s inspector tells their management: this site is what we want in a partner. Over time, new industries emerge: rare earth extraction, pharmaceutical intermediates, electronics cleaning. Each sector brings its own nervousness about cross-contamination and supply reliability, and we adapt batch controls accordingly.

    Experience With End Users: What Matters Most

    Over time, you learn partnerships matter more than brochures. We’ve fielded urgent calls about unexpected fouling in a client’s reactor; sometimes, it’s trace contaminants in the acid, sometimes upstream equipment hygiene, but always the solution comes from direct troubleshooting. A few years back, one of our steel customers faced issues with scale pickup after a mid-process change. Our technical managers landed on site, ran joint process tests, and isolated iron ingress tied to a storage swap. We owned the problem, tweaked upstream purification, and listened until the headaches stopped. No number on a spec sheet would have solved it.

    Oilfield workers want consistent acid, but more importantly, predictable service. Teams might need emergency bulk deliveries at hours that stretch logistics, but that’s part of the job. Ongoing coordination between dispatch, plant, and field teams means we reroute loads mid-transit, adjust drum specs for unusual climates, and sometimes deploy field engineers alongside deliveries. That’s not a story about product differentiation — it’s about standing shoulder-to-shoulder with long-term partners.

    Food and beverage producers scrutinize paperwork as closely as product. Our QA managers learn the quirks of each client’s downstream QA tech, accounting for seasonal changes in recipes, and respond to early signals. For one bottler, we retooled a delivery protocol just to eliminate minor dust exposure on bottle lines through secondary packaging. These are not textbook improvements, but they shape how hydrochloric acid gets integrated — quietly, reliably — into daily production.

    Technical and Regulatory Challenges

    Chemical regulations shift with each round of new policy, and hydrochloric acid always features on controlled lists — transport, storage, labeling, discharge. We follow country-specific rules, certify product with downstream markers, and adopt new tracking barcodes for high-purity shipments. Inspectors turn up on site routinely; our standard is to greet them with a clear desk and open logbooks. If testing methods shift — say, new detection limits for trace arsenic or mercury — we retool sampling regimes and requalify our supply to stay ahead of recall risk. Close ties to trade groups help us preview regulatory winds and anticipate customer concerns about compliance or documentation gaps.

    End users face mounting waste handling rules. In collaboration with downstream users, we develop recovery or recycling programs: tank returns, reprocessing for lower-grade applications, or acid neutralization pilots. Real gains come when process teams share their headaches openly — high costs for waste acid disposal, or surface fouling from downstream reactions — and we tweak our support accordingly. We’ve been there, lived through chemical scares, and know how much trust it takes to keep a tank farm running with minimal mishap.

    Why Hydrochloric Acid Still Matters

    Industrial chemistry runs on relationships, not just molecules. Hydrochloric acid works because it’s predictable, powerful, and time-tested — and because we sweat the details at every stage. Every industry, from steel and oil to food and water treatment, brings its own quirks. Our response has never been to send the same drum to everyone and hope for the best. Instead, we’ve built a culture around precision, feedback, and a commitment to fixing issues before they grow. Our acid leaves the plant in the right concentration, purity, and container, because the people behind it know that every slip leads to downtime, lost output, or worse.

    Factories don’t run on autopilot, and neither do we. Each delivery brings a chance to fine-tune not just the acid, but client relationships, process safety, and a healthier environment. That’s made hydrochloric acid, in our hands, less of a commodity and more of an ongoing collaboration — one load at a time, batch after batch, from shop floor to final use.