2-Hydroxyphosphonoacetic acid (HPAA), identified by CAS No. 23783-26-8, is a high-performance specialty phosphonate used extensively as a cathode corrosion inhibitor. Engineered for stability and efficiency, HPAA is designed to operate in demanding industrial environments, providing superior protection for metal surfaces against corrosive degradation in various water-based systems.
Distinguished by its exceptional chemical stability, HPAA resists hydrolysis and remains effective under extreme acidic or alkaline conditions. It significantly enhances zinc solubility and offers corrosion inhibition performance 5 to 8 times superior to traditional agents like HEDP and EDTMP, making it an indispensable additive for high-reliability industrial water treatment.
Detailed Parameters
| CAS No. | 23783-26-8 | Molecular Formula | C2H5O6P |
|---|---|---|---|
| Molecular Weight | 156 | Appearance | Dark umber liquid |
| Solid Content | 50.0% min | Total Phosphonic Acid | 25.0% min (as PO43-) |
| Phosphoric Acid | 1.50% max (as PO43-) | Density (20℃) | 1.30 g/cm3 min |
| pH (1% solution) | 3.0 max | Storage Life | One year (shady/dry place) |
Key Advantages
Extreme Stability
Chemically stable and resistant to hydrolysis, remaining effective in both strong acid and alkali environments.
Superior Inhibition
Corrosion inhibition capability 5-8 times higher than HEDP and EDTMP for longer equipment lifespan.
Zinc Solubility
Significantly improves zinc solubility, optimizing the performance of zinc-based corrosion inhibitors.
Eco-Friendly
Non-toxic and non-polluting formulation, ensuring safety for operators and the environment.
Synergistic Effect
When combined with low molecular polymers or zinc salts, its inhibitory effect is further amplified.
Broad Application
Versatile use across oilfields, petrochemicals, power plants, and medical industrial systems.
Product Gallery
Management Platforms
Flexible Packaging
Available in 200L plastic drums or 1000L IBC tanks to meet various industrial scale requirements.
Quality Control
Strict adherence to technical specifications for solid content and phosphonic acid purity.
Safety Protocols
Comprehensive safety guidelines provided for the handling of acidic liquid materials.
Storage Standards
Optimized storage solutions in shady and dry rooms to ensure a shelf life of one year.
Logistical Support
Efficient global shipping for specialty chemicals with secure, leak-proof packaging.
Custom Orders
Capability to adapt packaging and delivery schedules based on specific customer requirements.
Investment Return Comparison
| Performance Metric | Standard Phosphonates | HPAA Solution |
|---|---|---|
| Inhibition Efficiency | Baseline | 5x - 8x Higher |
| Zinc Solubility | Moderate | Significantly Enhanced |
| Chemical Stability | Standard | High (Acid/Alkali Resistant) |
| Maintenance Frequency | Regular | Reduced (Long-term Protection) |
| Environmental Impact | Variable | Low Toxicity / Non-Polluting |
Frequently Asked Questions
HPAA is primarily used as a cathode corrosion inhibitor, specifically in oilfield refill water systems, steel, petrochemical, and power plant industries.
HPAA provides a significantly higher level of corrosion inhibition, estimated at 5 to 8 times the effectiveness of HEDP and EDTMP.
Yes, HPAA exhibits synergistic effects when blended with low molecular polymers or zinc salts, further enhancing its corrosion inhibition properties.
While HPAA is non-toxic and non-polluting, it is an acidic liquid. Labor protection is required to avoid contact with skin and eyes.
It should be stored in a shady, dry room for up to one year to maintain its chemical stability and performance.
Industries dealing with heavy-duty water systems, such as petrochemical plants, power generation facilities, and iron/steel mills, benefit most from its high stability.
