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HS Code |
278190 |
| Chemical Name | 2-Hydroxy Phosphonoacetic Acid |
| Abbreviation | HPAA |
| Molecular Formula | C2H5O6P |
| Molecular Weight | 156.03 g/mol |
| Appearance | Colorless to pale yellow transparent liquid |
| Solubility | Completely soluble in water |
| Phosphorus Content | Approx. 19.5% |
| Ph Value | 1.0-2.0 (1% aqueous solution) |
| Density | 1.30-1.40 g/cm3 (20°C) |
| Cas Number | 23783-26-8 |
| Main Uses | Scale and corrosion inhibitor in cooling water systems |
| Boiling Point | Decomposes before boiling |
| Stability | Stable under normal conditions |
As an accredited 2-Hydroxy Phosphonoacetic Acid HPAA factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 2-Hydroxy Phosphonoacetic Acid (HPAA) is packaged in a 25 kg blue HDPE drum with secure, leak-proof sealing. |
| Shipping | 2-Hydroxy Phosphonoacetic Acid (HPAA) is shipped in tightly sealed plastic drums or intermediate bulk containers (IBCs), typically with a net weight of 25 kg or 250 kg per drum. It should be stored in a cool, dry, and well-ventilated area, protected from direct sunlight and incompatible substances. |
| Storage | 2-Hydroxy Phosphonoacetic Acid (HPAA) should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers and bases. Keep containers tightly closed and clearly labeled. Use corrosion-resistant storage tanks or containers, ideally made of plastic or stainless steel. Always handle with appropriate personal protective equipment to prevent contact and inhalation. |
Applications of 2-Hydroxy Phosphonoacetic Acid HPAA in Industrial Manufacturing2-Hydroxy Phosphonoacetic Acid (HPAA) supports complexant, dispersant, and corrosion control functions in multiple process industries. As a direct manufacturer, we supply HPAA to global operators who require tight control over phosphorus chemistry for high-reliability processing and product quality. 1. Industrial Water Treatment – Scale and Corrosion Control in Recirculating Cooling SystemsFacility managers in power stations, petrochemical units, and steel plants specify HPAA for its dual ability to inhibit calcium carbonate and calcium sulfate scale while providing moderate anti-corrosive activity in closed and open cooling water loops. Dosage is calculated based on water hardness, flow rate, and metallurgy of the system, and direct addition is performed after filtration and before key process heat exchangers. This ensures continuous system protection with minimized downtime and chemical use. Industry compliance standards
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2. Oilfield Water Injection – Scale Inhibition for Enhanced Oil RecoveryOil producers dose HPAA in high-salinity water injection processes to mitigate scale deposition in pipes, downhole tubing, and reservoir matrices. The phosphonic acid structure delivers calcium and barium sulfate scale control even in demanding high-pressure, high-temperature reservoirs. Field technicians determine real-world requirements by analyzing brine chemistry, deposition risk models, and compatibility with other stimulation additives prior to large-volume mixing and injection. Industry compliance standards
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3. Detergent & Cleaning Formulation – Chelating Agent for Industrial and Institutional CleanersManufacturers of high-performance cleaners and detergents use HPAA to control water hardness, stabilize peroxides, and prevent scale residue formation on metallic surfaces and glassware. The chelation mechanism supports superior cleaning in automatic dishwashing, CIP systems, and bottle washing for the food and beverage sector, especially where phosphate limits require substitution by phosphonates for environmental compliance. Formulators must balance HPAA input alongside surfactants and builders for desired water softening and deposit control. Industry compliance standards
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4. Textile Dyeing – Anti-Scale and Chelation Additive in High-Temperature ProcessingTextile dye facilities rely on HPAA to inhibit mineral scaling during dyeing and bleaching at high temperatures, particularly where untreated process water would otherwise cause dye shade inconsistency and machine downtime. The product acts as a chelating agent, binding interfering calcium and magnesium ions and maintaining stable conditions throughout high-pressure jet dyeing and continuous washing equipment. Material compatibility and residual control are verified by lab simulation and plant QC prior to scale-up. Industry compliance standards
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5. Ceramic and Pigment Manufacturing – Dispersant in Mineral Slurry PreparationCeramic, tile, and inorganic pigment producers use HPAA during aqueous milling and slurry preparation to disperse silicate, alumina, and other mineral solids. It stabilizes particle suspension and prevents re-agglomeration, which is critical for uniform casting, slip casting, spray-drying, and subsequent firing. The choice of dosage addresses both end-use performance and compatibility with other dispersants or binder components in the overall batch formula. Industry compliance standards
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Competitive 2-Hydroxy Phosphonoacetic Acid HPAA prices that fit your budget—flexible terms and customized quotes for every order.
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Working in the chemical manufacturing business, we’ve seen both market demands and industrial regulations evolve every year. Our ongoing focus on reliability and product performance drives innovation in water treatment chemicals. 2-Hydroxy Phosphonoacetic Acid, often abbreviated as HPAA, shows the effects of this long-term commitment. This organophosphorus compound, which we’ve been producing and improving for many years, finds its main application in scale and corrosion control. Factories, thermal power plants, refineries and paper mills run into scaling and corrosion problems daily, and HPAA was developed based on what plant operators, engineers, and water management teams actually need to keep their systems operational.
There’s rarely a one-size-fits-all solution in industrial water treatment, so chemical selection hinges on raw water quality, equipment metallurgy, operational temperature, and process cycle length. A single poorly chosen product affects both performance and budget. Through numerous on-site trials and consultations, we've come to rely on HPAA where higher tolerance to oxidation and improved compatibility with strong biocides are necessary. Its chemical backbone — a phosphonoacetic acid group with a 2-hydroxy substituent — imparts strong chelating ability without easy decomposition under conditions where free chlorine and similar oxidants are present. This just isn’t possible with many traditional polyphosphate-based products, which frequently break down and lose effect.
For many water systems, especially those relying on frequent chlorination, operators have reported recurrent scaling even with heavy chemical input. Using HPAA, the formation of calcium carbonate and other mineral deposits drops dramatically. This change isn’t just measured in laboratory titration. We’ve spent afternoons digging out scale from heat exchanger tubes and cooling tower fill media—and our experience echoes the published literature: HPAA’s pronounced threshold inhibition means it stops scale buildup in concentrations much lower than those required by HEDP or ATMP. This result comes from the molecular structure. The presence of both phosphonic acid and carboxylic acid enables HPAA to anchor and isolate scaling ions more efficiently, outlasting many comparable substances when stressed by oxidants.
Newer regulations on discharge water quality, tighter limits on phosphate emissions, and more frequent mandatory shutdowns have changed how people approach water chemistry. Many older formulations, rich in polyphosphates and zinc, now attract close scrutiny from regulators. HPAA, with its comparatively low phosphorus content, passes audits more smoothly in many scenarios. Our clients pushed for this shift, and we responded with enhanced quality control and more robust spec confirmation for every batch. Typically, our manufactured HPAA delivers an active component content approaching 50%, and a pH value near 1.0. It dissolves with minimal residue, ensuring exact dosing into automatic feed systems. Any production line accident, equipment malfunction, or fouled dosing pump turns into a headache, so reliability from batch to batch isn’t theoretical here—it’s a matter of keeping million-dollar capital equipment in continuous service.
The safe operating window for HPAA is broad. It performs well through cycles of high temperature, acid excursions, and frequent exposure to oxidizing conditions. We’ve worked alongside maintenance teams during annual overhauls and emergency shutdowns. They report less downtime for acid washing and sonic cleaning, less tube pitting, and fewer knee-jerk changes to chemical inventories. In addition, on high-stress applications like reverse osmosis pre-treatment or once-through cooling systems, HPAA enables users to extend cycles and cut chemical use, an advantage that matters to both operators and plant accountants.
Most customers ask for a direct comparison: Where does HPAA outperform HEDP, ATMP, or PBTC? Drawing on years of field trial data and daily feedback from boiler rooms and pump houses, we’ve seen that HPAA stands out in several areas:
From a manufacturer’s perspective, each claim grows out of process tuning and feedback—product improvements take place batch by batch, not just on paper. Our technical team tracks each field complaint, inspects fouled tanks and injectors, and troubleshoots formulation issues on customer sites. Recommendations and adjustments reflect actual water chemistry logs, not just laboratory assumptions. HPAA’s robust performance left us with fewer site returns and troubleshooting than many older phosphonate products. Price per kilo often receives attention, but over the course of a season, the cost per cubic meter of water treated falls in favor of HPAA. Reduced acid cleaning, fewer pump failures, easier compliance checks—these translate into saved man-hours, shorter maintenance receipts, and fewer emergency call-outs.
Not every system benefits equally from HPAA. In low-temperature cooling loops or municipal softened water applications, simpler phosphonate blends or polyacrylate solutions sometimes suffice. Meanwhile, in environments with constant cycling, exposure to bleach or bromine, or repeated temperature swings, HPAA stands out. Its value rises with every added operational challenge—untreated makeup water, variable pH, sudden oxidizer spikes. Customers using geothermal or direct-contact condensers—who struggle to prevent both scaling and metal corrosion—see direct returns after switching over.
There’s no hiding the upfront material cost. Phosphonoacetic and phosphonic acid derivatives require serious attention during production, from raw material sourcing through quality checks at every tank. Waste handling, occupational exposure measures, and equipment cleaning add even more line items to plant operations. We invest heavily in process control, automation, non-corrosive transfer lines, and staff training. That isn’t optional—subpar batches cost far more than they save, once plant downtime or legal claims get factored in. If you’re operating a small system with benign feedwater, some trades might propose cheaper blends. In our experience, these lower-cost products risk clogging, unexpected scaling, and often create blind spots for inspectors. HPAA’s longevity and multipurpose chemistry often offset the sticker price through real-world reliability, not just on performance sheets.
Experience in manufacturing HPAA teaches the value of chemical purity and process discipline. Slight deviations in feedstock purity, reaction temperature, or blending speed seriously affect final product behavior. Over the years, we refined our routes from phosphorus acid and monochloroacetic acid to cut down undesirable byproducts, allowing for cleaner dosing and better predictability. HPAA’s molecular setup produces strong binding to both calcium and iron, reducing both hardness scale and the rusty, colored fouling that often escapes notice until systems slow down or heat exchangers choke up.
Long-term observation also reveals how HPAA resists hydrolysis and oxidation in both neutral and acidic environments. Unlike some agents that release phosphates rapidly and fuel algal blooms, HPAA offers a slower, steady release which helps meet environmental codes without tipping regulatory alarms. Chlorination cycles and intensive biocide programs test product stability daily. With every drum we ship, plant managers and chemists log readings on residual inhibition; our checks align with those logs. Adjustments in process batching are constant—tightening filtration, reducing unwanted iron content, and ensuring clarity in concentrated stock. Such vigilance underpins consistent product results, both in the plant and after shipment.
Relationships with users of HPAA cut across industries—from textile dyeing plants wrestling with scale in cooling systems, to thermal power stations desperate for corrosion resistance, to chemical processing facilities balancing cost, compliance, and downtime. Each industry segment imposes its own demands, but certain constants remain: users want straightforward operation, limited manual intervention, and chemicals that minimize headache, not just risk. Emergency response teams often ask about product interaction when compounded with chlorine dioxide or sodium hypochlorite—here again, real-world application records show HPAA handling such conditions with minimal breakdown, unlike many generics that decompose rapidly and leave behind sludges.
The human side of our business runs through direct dialogue. We meet plant chemists, troubleshooters, and operators who’ve inherited legacy water systems from three decades past or are wrestling with new digital dosing automation. We explain why a specific HPAA loading makes sense, we walk them through cleaning routines, and we log unexpected scale incident reports. This practical relationship deepens the data driving our production. After each off-site troubleshooting, we revisit process variables, recalibrate our batch protocols, or rethink the order of additive blending. Feedback cycles move quick in manufacturing—each batch proves itself in the field, and lessons go straight into tomorrow’s drum runs.
Sourcing high-purity raw materials brings its own set of challenges. Disruptions in the global logistics chain or temporary shortages of key reactants threaten stable supply. We’ve learned to hedge against volatility by building relationships with mines, refineries, and global producers—not just buying on price, but also vetting on reliability and traceability. Each drum’s journey gets logged, tested, and, if necessary, rejected for substandard impurity levels. Routine audits, third-party lab confirmation, and detailed internal tracking prevent costly mistakes from reaching end users.
In production, monitoring reaction temperature and times eliminates out-of-spec side reactions—small changes here multiply downstream, causing haze, excess acidity, or other unwelcome effects. Investments in automation, batch recordkeeping, and continuous in-line testing yield high consistency and fewer unplanned outages. We run pilot batches, simulate worst-case storage, and trace product well past point-of-sale through digital batch tracking. Plant safety also stays central—HPAA’s acidity demands sturdy acid-resistant equipment, strict spill containment, and regular staff training. Each improvement in process or packaging pays back in lowered risk and long-term customer satisfaction.
Many users push for greener solutions, raising questions about life-cycle impacts and waste minimization. For our part, we emphasize continuous recalibration of dosing, recycling of container drums, and tight control over delivery metrics. Working with regulatory agencies on water and air discharge, we keep our technical files, batch certificates, and chain-of-custody records available for audit, not just paper compliance—knowing real trust comes from transparency, not paperwork. Proactive support and detailed documentation give customers confidence that HPAA won’t just perform, but won’t leave an invisible compliance problem lurking in their annual review. Environmental considerations remain practical, not aspirational.
Tighter phosphorus discharge limitations, shifts toward alternative oxidants, and increasing automation in water treatment will shape the demands on HPAA. We’ve seen firsthand the need for upgraded pump compatibility, broader shelf-stability, and more sustainable packaging. Collaborations with users, learning from every scale incident and materials failure, drive us to continuously invest in more robust product—reinforced blending tanks, remote monitoring, and ever tighter process control. Our plant teams work at both ends—delivering product, then listening to every call or complaint about performance or dosing trouble. Whether for a new-build power station or a hundred-year-old textile dyeing floor, the approach is the same: feedback and adaptation guide every manufacturing decision.
As automation spreads, seamless integration with digital metering and control systems is becoming the norm. We've run HPAA batches through simulated networks, stress-testing for compatibility with plastics, metals, and modern software. Each cycle generates new insight into practical handling—proving that robust chemistry in the drum only matters when it translates to actual protection in the plant.
Partnering with research labs and end users ensures that updated grades of HPAA answer tomorrow's water management challenges while holding true to hard-won reliability standards. Looking to the future, our focus stays rooted in what plant teams report back—not just test bench data, but real outcomes from daily operation. 2-Hydroxy Phosphonoacetic Acid remains more than just another drum on the dock. It represents thousands of hours logged in manufacturing, calibration, shipment, troubleshooting, and improvement, all built on hard-earned knowledge and trust between maker and user.
