Hydrochloric Acid

    • Product Name: Hydrochloric Acid
    • Chemical Name (IUPAC): Hydrogen chloride
    • CAS No.: 7647-01-0
    • Chemical Formula: HCl
    • Form/Physical State: Liquid
    • Factroy Site: Yushan Island, Gaoting Town, Daishan County, Zhoushan City, Zhejiang Province
    • Price Inquiry: sales3@ascent-chem.com
    • Manufacturer: Zhejiang Petroleum & Chemical Co., Ltd.
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    Specifications

    HS Code

    232977

    Chemical Name Hydrochloric Acid
    Chemical Formula HCl
    Molar Mass 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)
    Boiling Point 108.6°C (for 20.2% solution)
    Melting Point -27.32°C (for 37% solution)
    Solubility In Water Completely miscible
    Cas Number 7647-01-0
    Un Number 1789

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

    Packing & Storage
    Packing Hydrochloric Acid is packaged in a 2.5-liter high-density polyethylene (HDPE) bottle with a secure screw cap and hazard labels.
    Container Loading (20′ FCL) Hydrochloric Acid (20′ FCL): Packed in high-density plastic drums, 24 MT per container, securely loaded, compliant with safety regulations.
    Shipping Hydrochloric acid should be shipped in tightly sealed, corrosion-resistant containers, such as glass, plastic, or specially lined steel drums. It must be kept upright and clearly labeled as hazardous. Transport in compliance with local, national, and international regulations, including placarding and documentation. Ensure proper ventilation and protection against spills or leaks.
    Storage Hydrochloric acid should be stored in a cool, well-ventilated area, away from direct sunlight and heat sources. Use corrosion-resistant containers, such as those made from glass, certain plastics (like PVC), or specific alloys. Keep separate from incompatible substances like bases, metals, and oxidizers. Ensure containers are tightly sealed, clearly labeled, and have accessible spill control and neutralization materials nearby.
    Shelf Life Hydrochloric acid typically has a shelf life of about 2 years when stored properly in tightly closed containers away from heat and light.
    Application of Hydrochloric Acid

    Purity 37%: Hydrochloric Acid with 37% purity is used in steel pickling processes, where it effectively removes surface oxides and scale to ensure optimal metal cleanliness.

    Molecular Weight 36.46 g/mol: Hydrochloric Acid of 36.46 g/mol molecular weight is used in resin regeneration for ion-exchange systems, where it enhances ion exchange efficiency and restores softening capacity.

    Industrial Grade: Hydrochloric Acid of industrial grade is used in pH control for municipal water treatment facilities, where it ensures rapid and precise pH adjustment for regulatory compliance.

    Purity 32%: Hydrochloric Acid with 32% purity is used in food processing plants for gelatin production, where it promotes efficient collagen hydrolysis and high product yield.

    Stability Temperature up to 60°C: Hydrochloric Acid stable up to 60°C is used in chemical synthesis reactors, where it maintains reaction consistency and prevents thermal decomposition.

    Technical Grade: Hydrochloric Acid of technical grade is used in household cleaning agents manufacturing, where it provides effective lime scale and stain removal in final formulations.

    Concentrated Solution: Hydrochloric Acid as a concentrated solution is used in oil well acidizing operations, where it increases rock permeability and enhances hydrocarbon recovery.

    Low Iron Content: Hydrochloric Acid with low iron content is used in electronics industry etching, where it prevents contamination and ensures high-purity circuit paths.

    Purity 29%: Hydrochloric Acid with 29% purity is used in swimming pool maintenance, where it efficiently neutralizes alkalinity and stabilizes chlorine disinfection performance.

    Laboratory Grade: Hydrochloric Acid of laboratory grade is used in analytical laboratories for titration procedures, where it provides accurate and reproducible quantification results.

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    Certification & Compliance
    More Introduction

    Hydrochloric Acid: Trusted Quality Direct from the Producer

    What We Produce and Why We Stand Behind It

    Working in chemical manufacturing over the years, few products pass through the plant with the same frequency and scrutiny as hydrochloric acid. Each batch draws on both the depth of our technical know-how and the history of safe, thoughtful operation we’ve established. We produce hydrochloric acid at a concentration of 31-33% by weight, the standard strength for industrial applications, and also supply strengths up to 37% for specific needs. These specifications reflect what industrial partners actually use in the field, from steel pickling to resin regeneration, not just what looks tidy on a lab sheet.

    Our team always aims for low-iron, low-impurity profiles that matter during sensitive applications. When working with food-grade, pharmaceutical, or high-purity requests, the process steps up another level: we monitor every step from raw material sourcing to final filtration and quality analysis. Here, each drum and each tanker we fill represent a promise that nothing unexpected will disrupt your process or jeopardize quality downstream. This isn't marketing—it's the result of years adjusting our distillation systems, optimizing corrosion-resistant delivery, and shutting down lines immediately when tests reveal outlier readings. The stakes are higher when customers need traceability and peace of mind.

    Real Differences from Generic and Blended Alternatives

    It’s easy to assume all hydrochloric acid meets the same practicality, because the chemical formula remains identical. But production methods and standards change everything. Certain imported acids can carry residual chlorine, unwanted organic contaminants, or traces of metals from outdated equipment. Our plants use lined reactors and closed-system handling that keep the acid free from coloring agents and common metallic ions. We've seen batches from less controlled sources corrode tanks or turn product yellow after only weeks of storage—an expensive problem for industries depending on shelf stability or purity.

    Hydrochloric acid for water treatment, food additive, or electronic-grade use must stay below strict impurity thresholds. Any misstep at production can mean failed product batches for our customers, not just paperwork. Acid for steel pickling or oilfield service needs direct and consistent supply, with no interruptions or surprises. Our delivery infrastructure and control over logistics make the difference, especially when local demand peaks or when strict import controls create shortages. We navigate these spikes without relying on outside wholesalers, so our clients never face the high price volatility seen with spot-buy traders.

    Application Experience: What Matters in Use

    Hydrochloric acid flows into more industries than most people realize. In our own operations, we see steel companies depend on a clean, sharp acid for pickling lines—removing oxides, keeping surface quality high before further fabrication. Water utilities draw on our acid to regenerate ion exchange resins. In food processing, downstream partners look for acid that meets national food additive regulations, trusting us not to slip below those limits. When electronics manufacturers specify semiconductor-grade acids, they count on purity, batch after batch, because one impurity can ruin thousands of dollars' worth of wafers.

    Our technical team spends significant time with customer engineers, troubleshooting issues that show up on the production line. Impurity carryover or pH instability often trace back to insufficiently controlled HCl supply at their facility. Over the years, we have redesigned tank farms, switched to specialized transport containers, and invested in rigorous tank cleaning protocols between different strength grades. We also consult with smaller operators, who sometimes want to dilute concentrated acid for site-specific uses. Proper guidance prevents mistakes that could damage pipes or compromise worker safety.

    Why Direct Manufacturing Helps Your Process

    Most traders lack the insight into batch-level quality markers or the flexibility to alter supply at short notice. As longtime producers, we see demand not just as numbers in a ledger but every day in our own yard—tank trucks lining up, plant teams running night shifts, empty containers cycling back for refill. We have the long-term partnerships with raw material suppliers and the investment in quality labs to catch shifts in feedstock purity or operational parameters. If regulations tighten or a customer’s end-use changes, we adjust upstream in real time.

    Maintaining our position as the manufacturer also gives clients leverage in crisis moments. When global supply chains get tangled—shipment delays, international quota changes, upstream production outages—we have the reserves and local storage capacity to cover critical users. Traders and resellers often only offer what’s available on the general market that week, but our team has sequence plans and surge procedures that keep key industries running. The reliability we offer comes from years putting manufacturing before margin: holding inventory, continually upgrading safety systems, and refusing to divert product earmarked for essential contracts.

    What Acid Quality Looks Like in Practice

    Experienced plant operators don’t only ask for assay certificates; they look for consistency and transparency. Every tank truck from our facility comes with electronic batch records signed by our quality assurance lead, showing every tested parameter from color to heavy metals. Regular surprise audits by both end-user customers and regulatory authorities push us to meet not only stated requirements but the actual operating expectations of world-scale processing.

    Our acid moves in steel, HDPE, or custom-lined containers depending on strength and intended shelf life. Each logistics route is chosen to minimize transit time and avoid handling by third parties unfamiliar with hazardous materials. Over the years, we’ve seen the difference this makes: fewer delays, no leaky gaskets, and shelf lives exceeding the norms posted by off-market suppliers. Product returns or swaps rarely occur, but when they do, our protocols involve direct communication with the customer’s site team—ensuring that nothing leaves their facility out of specification.

    Supporting Safe Handling and Sustainability

    We recognize the importance of both end-user safety and minimizing environmental impact. Our production lines feature acid gas scrubbers, continuous emission monitoring, and secondary containment. This isn’t just about compliance quotas—failures in control can force a line shutdown and threaten the community. We routinely engage local authorities and industrial neighbors in emergency drills, and our site drivers complete regular hazardous material handling certification. Clear labeling and up-to-date safety sheets accompany every shipment not just because protocols demand them, but because field experience shows that confusion or error hurts both people and business alike.

    As manufacturing moves toward greener operations, we look for ways to recycle reacted acid streams, reduce neutralization waste, and capture byproducts for internal use. The chlor-alkali process at our core facility produces both chlorine and hydrogen gases, sent for further use in-house, cutting down unnecessary emissions. Even small steps—better capping systems, secondary containment upgrades—lower risks and reassure both staff and external inspectors. Some customers now request life-cycle analysis and carbon-footprint reports as part of their procurement; we provide these with full data transparency.

    Troubleshooting and Continuous Improvement

    Mistakes in HCl use trace back to source quality or compatibility more often than users realize. We have helped resolve everything from pipeline scaling due to calcium contamination, to rapid corrosion from trace metal pickup in uncontrolled supplies. Large users often send us feedback when their end-product yields fluctuate; our lab studies returned acid for trace contaminants or off-color readings to help pinpoint sources upstream or downstream. In one case, an energy-sector client faced unexplained equipment fouling, and our analysis traced the issue back to a competitor's batch with residual oil content. After switching to our supply, their downstream reliability improved measurably.

    Each year, we review market feedback, new safety standards, and changing applications, refreshing both our internal procedures and our product offer. While core uses for hydrochloric acid remain stable, continual consultations with technical directors in different sectors reveal both innovation and emerging risks. Digital tracking from order to delivery has reduced mistakes and improved communication. Regular hardware upgrades, especially in corrosion protection and monitoring, keep ahead of common weak points noted in industry incident reports.

    Commitment to Industry, Community, and Reliability

    Sourcing from a direct chemical manufacturer means tying your operations to an entity whose success links deeply to local economies, regional safety, and global best practice. Our team’s combined experience—stretching from entry-level plant technicians to veteran process chemists—forms the real backbone of our reliability. We add value every day not just in the chemical we make, but in the consistency, honesty, and access we offer customers.

    Across all applications—be it textile, mining, water treatment, or pharmaceutical—a dependable supply of hydrochloric acid is non-negotiable. We work directly with users to optimize batch volumes, anticipate seasonal swings, and adjust formulas in line with end-use demand. Sustainability conversations, once limited to compliance officers, now roll down to every level of the plant and supply chain. We recognize that acid handling remains both a privilege and a responsibility: producing only what the community can support, sharing data with our neighbors, and strategically investing in environmental improvements.

    Learning from Challenges, Preparing for the Future

    Global trends show rising demand for purified hydrochloric acid in high-tech sectors and a steady call for industrial grades in manufacturing and resource extraction. We’ve invested in dedicated lines for semiconductor and pharmaceutical standards, responding to feedback from these customer bases instead of projecting generic offerings. As regulatory scrutiny increases, both domestically and internationally, direct feedback from plant and end-user teams steers our response—either by adding additional purification, improving transport protocols, or creating new documentation to keep pace with certification requirements.

    The lessons learned over years—dealing with unexpected feedstock shifts, transportation bottlenecks, and changing green chemistry standards—influence each decision we make. We started with regional supply and have grown to serve a broader market, always keeping focus on what direct manufacturing control adds: quality, safety, and adaptability. New projects, especially in electronic materials or food contact processes, stretch our team’s expertise, but also yield process improvements that roll back into all grades of product. We don't underestimate challenges, but we also don’t overstate their mystery—solving real problems with disciplined experience remains our best advertising.

    Why Customers Choose Us for Hydrochloric Acid

    From plant tours and technical audits to real-time batch tracking, transparency shapes how we work. Our clients don’t receive nameless bulk—each shipment reflects a real manufacturing process with faces behind every test, every timestamp, and every seal. The open communication lines—one engineer to another, regardless of scale—make it possible to troubleshoot issues well before they become outages or product failures.

    We see hydrochloric acid not as a commodity, but as a tool shaped by those who make and use it. Customers return not for slogans, but for reliability, practical advice, and the confidence that comes from working with a direct manufacturer. By choosing our production, users gain access to generations of specialized knowledge, a supply chain built for both resilience and speed, and an operational philosophy that puts partnership at the center.