CAS No. :  23783-26-8

Molecular Formula:     C₂H₅O₆P                                  Molecular weight: 156

Specification:

Appearance          Dark umber transparent viscous liquid

Solid content %                            47. 0-50. 0min

Phosphorous acid（as PO₃^3-）%    4. 0 max

Density （20℃）g/cm³                                1. 30 min

pH（1％ solution）                            1. 0-3. 0

Usage:

HPAA is mainly used as cathode corrosion inhibitor in oilfield refill water system in fields such as steel & iron, petrochemcal, power plant and medical industries. When built with zinc salt, the effect is even better.