
1.Produc name: 2-Hydroxyphosphonocarboxylic Acid
Synonyms: HPAA
2.Molecular weight:156
Molecular Formula: C2H5O6P
3.CAS No.:23783-26-8
Einecs No.:405-710-8
4.Specification:
Items |
Index |
Appearance |
Dark umber transparent viscous liquid |
Solid content % |
45-50 |
Phosphorous acid(as PO33-)% ≤ |
4.0 |
pH(1% solution) |
1-3 |
Density (20oC)g/cm3≥ |
1.30 |
5.Usage: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 of steel & iron,
petrochemcal, power plant and medicine. 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.
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