2-Hydroxy Phosphonoacetic Acid HPAA (CAS 23783-26-8) 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 liquidSolid content % 50.0 min
Phosphorous acid(as PO33-)% 4.0 max
Density (20℃)g/cm3 1.30 min
pH(1% solution) 1.0-3.0
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.
Stored in cool and airy place; away from fire and heat; handle with care; no breakage, avoid leakage.It is valid for 1 years under proper condition.HPAA is classified as Dangerous Good for transport.
Please refer to MSDS for more information about Safety,Storage and Transportation.