Product Description
2-Hydroxyphosphonoacetic Acid
| Product name | 2-Hydroxyphosphonocarboxylic Acid(HPAA) |
| Synonyms | hydroxyphosphonoacetic acid |
| Cas | 23783-26-8, 4721-24-8 |
| MF | C2H5O6P |
| MW | 156.03 |
| EINECS | 405-710-8 |
| Properties and Usage | HPAA is chemically stable, hard to be hydrolyzed, hard to be destroyed by acid or alkali, safety in use, no toxicity, no pollution. HPAA can improve zinc solubility. Its corrosion inhibition ability is 5-8 times better than that of HEDP and EDTMP. When built with low molecular polymers, its corrosion inhibition effect is even better. |
| Appearance | Dark umber liquid |
| Solid content % | 45-50 |
| Phosphorous acid(as PO33-)% | 4.0 |
| Density (20℃)g/cm3 | 1.30 |
| pH(1% solution) | 1-3 |
| Application range&using method | HPAA is mainly used as metal cathode corrosion inhibitor. It can be widely used in the circulating cool water system, play as a corrosion inhibitor in the field ofsteel & iron, petrochemcal, power plant. It is suitable as a corrosion inhibitor for the low-hardness and corrosion water of the south of China.When built with zinc salt, the effect is even better. |
| Package and Storage | Normally In 30kg net Plastic Drum. Storage for ten month in room shady and dry place. |
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