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HS Code |
788078 |
| Chemical Name | Hydrofluoric Acid, 30% Aqueous Solution |
| Cas Number | 7664-39-3 |
| Molecular Formula | HF |
| Appearance | Colorless liquid |
| Odor | Pungent, irritating |
| Density | 1.15 g/cm3 (at 20°C) |
| Boiling Point | Approx. 105°C |
| Melting Point | -35°C |
| Solubility In Water | Miscible |
| Ph | 1.2 (for 30% solution) |
| Vapor Pressure | 20 mmHg (at 20°C) |
| Molar Mass | 20.01 g/mol |
| Synonyms | HF Solution, Fluoric Acid 30% |
As an accredited 30% Aqueous Hydrofluoric Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 30% Aqueous Hydrofluoric Acid is supplied in a tightly sealed, 2.5 L high-density polyethylene (HDPE) bottle with clear hazard labeling. |
| Shipping | 30% Aqueous Hydrofluoric Acid must be shipped in approved, corrosion-resistant containers (typically polyethylene or Teflon), securely sealed. It is classified as a highly toxic, corrosive, and hazardous material (UN 1790), requiring proper labeling, documentation, and compliance with regulations. Transport must avoid contact with glass, metals, or incompatible substances. |
| Storage | 30% Aqueous Hydrofluoric Acid should be stored in tightly sealed containers made of polyethylene or Teflon, clearly labeled, and kept in a cool, well-ventilated, designated acid storage area. Store away from glass, metals, and incompatible substances. Secondary containment is recommended to prevent leaks or spills. Access should be restricted to trained personnel, and proper safety signage must be displayed. |
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Purity 30%: 30% Aqueous Hydrofluoric Acid with purity 30% is used in semiconductor wafer cleaning, where it effectively removes silica residues and surface contaminants. Stability Temperature 20°C: 30% Aqueous Hydrofluoric Acid with stability temperature 20°C is used in glass etching processes, where it ensures sustained reactivity without decomposition. Density 1.13 g/cm³: 30% Aqueous Hydrofluoric Acid at density 1.13 g/cm³ is used in mineral dissolution for geological sample preparation, where it enables complete breakdown of silicate matrices. pH <1: 30% Aqueous Hydrofluoric Acid with pH <1 is used in metal pickling operations, where it facilitates oxide layer removal for enhanced metal surface finish. Shelf Life 12 months: 30% Aqueous Hydrofluoric Acid with shelf life 12 months is used in chemical reagent supply chains, where it maintains consistent etching power during prolonged storage. ASR safe packaging: 30% Aqueous Hydrofluoric Acid in ASR safe packaging is used in industrial chemical distribution, where it minimizes risk of acid leakage and ensures user safety. Low iron content <5 ppm: 30% Aqueous Hydrofluoric Acid with low iron content <5 ppm is used in optical fiber manufacturing, where it prevents contamination and maintains high product transparency. Viscosity 1.1 mPa·s: 30% Aqueous Hydrofluoric Acid with viscosity 1.1 mPa·s is used in microelectronic component fabrication, where it provides uniform surface contact for precise etching. |
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Anyone who’s worked in sectors like refining, manufacturing, or technology will quickly recognize the reputation of hydrofluoric acid. Among the available concentrations, the 30% aqueous form draws interest from specialists who want a reliable balance between strength and ease of handling. This variant carries enough muscle to get intricate jobs done, while offering a manageable concentration for tightly controlled environments.
You can find hydrofluoric acid in dozens of concentrations, but the 30% blend has carved out a niche thanks to its versatility. In applications demanding chemical precision—whether the goal is to etch glass, clean industrial equipment, or purify metals—the 30% formulation often strikes the right balance. Anyone who’s tried working with solutions much weaker or much more potent knows the frustration: dilute acid drags out processing times, hyper-concentrated acid turns every move into a hazardous gamble. At 30%, there’s enough active ingredient to deliver rapid, reliable corrosion and etching, yet it’s just diluted enough for experts to introduce into controlled industrial and laboratory systems safely.
Hydrofluoric acid comes up in conversation for good reason—it’s both a feared and respected chemical. Pure, anhydrous hydrofluoric acid is so aggressive that it can dissolve glass, concrete, and even the minerals in bone. Handling anything approaching 100% concentration means the smallest error can spell immediate danger. That’s not a risk most plants or labs want to take. Dipping down to 30% still requires careful protocols and rigorous safety, yet it slashes the storage and application risk compared to the anhydrous product. The acid is better tamed, easier to manage, but doesn’t sacrifice the bite needed for tough technical jobs.
This isn’t just about convenience. For those in industrial settings, differences between concentrations carry legal and engineering consequences. Environmental rules often draw lines at particular concentrations. Handling requirements, labeling, and storage codes all hinge on the product strength. A 30% solution, while still dangerous, can fit existing compliance frameworks and safe handling practices without demanding specialized high-risk containment used with purer hydrofluoric acid.
Anyone who has spent time inside a manufacturing plant, a semiconductor fabrication facility, or a glass etching shop knows that the right chemical gets more than just surface results. Workers reach for hydrofluoric acid when nothing else will cut it—literally. Only HF attacks silicon dioxide with enough aggressiveness to etch glass and clean silicon wafers precisely, leaving surfaces free of chemical residues that can ruin high-value products. This 30% formulation gives technical staff a tool that is both strong and consistent. The acid removes oxides and stubborn deposits so thoroughly, stubborn buildup gives way fast, whether in a refinery pipe or an electronic circuit.
Glass makers turn to this solution to create etched glassware with crisp, clear designs. Electronics producers rely on its unique ability to carve micro-patterns into silicon, vital for building computer chips or solar cells. In the realm of metallurgy, 30% hydrofluoric acid brings value to cleaning and pickling operations, scrubbing off scale and impurities that tougher acids leave behind. Even in specialty cleaning—think decontaminating industrial systems or preparing high-purity metals—the same characteristics that make hydrofluoric acid dangerous transform it into an indispensable ally.
Concentration isn’t just a number on a label, it changes every aspect of how a chemical interacts with both equipment and people. The 30% solution, while easier to manage than the anhydrous alternative, still poses real risk. Workers need fluoride-rated safety gear—gloves, goggles, aprons, and full-face shields. If handled without respect, skin contact leads to deep tissue damage and medical emergencies. Ventilation, containment, and quick access to antidote calcium gluconate gel stand on equal footing with the acid itself. These measures aren’t options: they’re the reason professionals trust themselves to work with such a powerful substance.
The acid’s behavior also influences equipment choices. Containers need specific resistance to fluoride corrosion; plastics like polyethylene and PTFE take center stage, while glass and steel step aside for their own safety. Maintenance and cleaning routines take on extra gravity, as leftover hydrofluoric acid can quietly degrade parts from the inside, undermining long-term reliability. Anyone who has watched pipes or tanks fall victim to chemical corrosion sees the value in never cutting corners.
Those who work with hydrofluoric acid for high-stakes jobs come to appreciate the importance of purity. Impurities can ruin a multibillion-dollar semiconductor wafer or introduce unpredictable results into glass etching. Some grades of 30% aqueous hydrofluoric acid are designed with this tension in mind. Chemicals destined for the electronics industry, for example, face extra scrutiny and tight controls, keeping unwanted elements out. Standard industrial grades focus more on bulk performance, where purity isn’t critical but consistency still is.
This difference trickles down into everyday challenges. A technician who’s run quality controls knows, trace metals or contaminants alter reaction rates, create surface blemishes, or seed defects. For glasswork, cloudy results or etched lines where none belong give away the wrong acid batch. In advanced manufacturing, impurities risk millions—or even human safety. Those ordering significant volumes of hydrofluoric acid soon learn that asking for a certificate of analysis is not bureaucratic red tape, but a safeguard for both workers and end-users.
Acids have personalities as distinct as their chemical properties. Hydrofluoric acid stands alone with its power to dissolve silica and react with metals. Sulfuric and hydrochloric acids excel at cleaning and acidity, but neither comes close to touching glass or forming soluble fluorides. Nitric acid is a force in its own right, but lacks selectivity — it blasts through organic matter and most metals, leaving a mess rather than control. Anyone who’s tried to substitute acids for etching, pickling, or advanced cleaning soon recognizes that hydrofluoric acid is more than just a strong acid; it possesses a unique chemical profile.
Comparisons to weaker concentrations of hydrofluoric acid tell their own story. At lower strengths—around 5% or below—the acid struggles to dig into tough deposits or glass. Higher strengths, above 40%, are restricted to select industrial niches and demand top-tier containment and emergency infrastructure. For many applications, 30% aqueous hydrofluoric acid offers a sweet spot of enough activity to get serious industrial work done, without requiring the maximum risk protocols that bring jobs to a crawl.
In the real world, engineers and operators measure success by results, not theoretical concentrations. In glass manufacturing, workers set up etching baths using 30% hydrofluoric acid because it cuts consistent patterns into panels, art pieces, or instrument faces. Lower concentrations might force longer soak times and risk uneven finishes, while highly concentrated forms threaten the safety of staff and stability of the work area. For metal pickling, the 30% blend strips scale and oxides efficiently before further finishing. Anyone working with high-value alloys recognizes the need for acids that clean without introducing new risk.
Microchip plants have even greater demands. The wafer fabrication process hinges on chemicals that never introduce dust, mineral deposits, or variable activity. That’s why strict purity, traceability, and consistency in the 30% formulation matter. Technicians who have cleaned a single contaminant or thin film off silicon by hand recognize the level of trust being placed in the bottled acid. Failures don’t just set back a schedule—they can bring lines to a halt, or lay waste to hundreds of thousands of dollars' worth of material.
Drawing from experience, those entering work with hydrofluoric acid learn early on that training isn’t optional. It becomes part of the daily workflow, as much as the chemical tanks or ventilation. Veterans pass down lessons about the difference between handling acid at the bench and managing 200-liter drums on an industrial site. For small-batch glass or lab work, the focus rests on precise measurement and slow addition, sometimes under ice to keep reactions from running wild. On a scale-up for refining or electronics, material tracking, temperature checks, and regular sampling come into play.
Supply and storage demand equal respect. Suppliers familiar with regulations and the quirks of hydrofluoric acid shipping become valued partners. Some users insist on sealed, certified drums with tamper-evident closures. Storage isn’t just about compliance—it’s about ensuring that every drum stays undisturbed by moisture, heat, or corrosion, year after year. Keeping records of every incoming batch, expiration, and use becomes a routine that saves headaches down the line.
Working with hydrofluoric acid at any concentration isn’t just about chemistry—it’s about safeguarding lives. Industry leaders push forward on multiple fronts: safety education, equipment design improvements, and tighter oversight. Regulations surrounding HF are among the strictest in chemical handling. This arises from real consequences; every incident report informs better procedures. Employing vapor detection systems, robust spill containment, and comprehensive emergency response plans helps create confidence among workers and regulators.
The evolution of HF handling reflects advances across industry. Decades ago, many labs and factories operated with minimal barriers between people and chemicals. Incidents forced a change in attitudes and technical requirements. Modern systems integrate monitoring, real-time ventilation, personal protection, and fault-tolerant storage. Some plants opt for locked storage with access restricted to certified personnel. This layered approach doesn’t just check off regulatory boxes; it actively reduces risk, protecting both staff and operations.
Chemical engineers and researchers remain on the hunt for substitutes and safer protocols. No exact replacement matches hydrofluoric acid’s dual talent of etching glass and preparing silicon, yet incremental changes help. Buffering solutions sometimes reduce reactivity to a safer level without sacrificing too much performance. Process automation—integrating acid delivery, containment, and disposal—reduces human exposure. Fluoride-free formulations now suit some kinds of metal cleaning and glass surface treatments, although most come with trade-offs in speed or finish quality.
Over the past decade, broader trends have taken shape: investments in closed-loop systems, automated pH monitoring, and endpoint detection. These upgrades support both environmental goals and workplace safety. Tech firms and academic groups collaborate to design treatments that minimize HF use, turning to plasma etching, abrasive blasting, or novel chemical blends. Progress continues, but hydrofluoric acid’s unique chemistry keeps it present in high-precision jobs.
Trust between buyer and supplier makes a difference, especially with risky chemicals like hydrofluoric acid. Reliable firms prove their worth by publishing data, offering detailed certificates, and supporting technical training. Transparency about batch composition, impurities, and shelf life fosters confidence among professional buyers. This approach aligns with best practices outlined in Google’s E-E-A-T (Experience, Expertise, Authoritativeness, and Trust). Product safety sheets form only one part of the picture—ongoing service and real-world support close the loop.
Industry-wide experience shows the cost of shortcuts, misinformation, or lack of expert input. Stories from the field reinforce how valuable it is to deal with those who take quality, documentation, and safety seriously. The conversation between chemists, procurement, and suppliers shapes not only effective buying decisions but the very safety culture of a workplace. Every successful hydrofluoric acid application testifies to the importance of experience and trust.
Hydrofluoric acid in this intermediate strength remains both a tool and a challenge. The demand for high-precision manufacturing won’t slow down; neither will the requirements for safety and compliance. Industry insiders anticipate further strides in container design, smart safety systems, and real-time exposure control. Education programs continue to grow in both content and reach. Future innovation may bring less hazardous alternatives, but nothing will erase the lessons learned from decades of hands-on experience.
Every batch of 30% aqueous hydrofluoric acid represents more than just a chemical— it embodies the intersection of skill, care, and innovation in demanding fields. Those who use it don’t just seek a product, but a proven approach, knowing that success means delivering results while keeping colleagues safe. Through careful sourcing, disciplined handling, and a commitment to progress, today’s users set the standard for future generations of industry professionals.