HPAA --2-Hydroxyphosphonocarboxylic Acid
Product Description
Victoria: victoria at thwater dot net
CAS No 23783-26-8
Molecular Formula: C2H5O6P Molecular weight: 156
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 transparent viscous liquid
Solid content % 47.0-50.0
Phosphorous acid(as PO33-)% 4.0 max
Density (20 C)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.
Package and Storage of HPAA:
Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for one year in room shady and dry place.
HPAA,PAA,PAAS,2-Hydroxyphosphonocarboxylic Acid,Polyacrylic Acid,Polyacrylic Acid Sodium
http://www.thwater.net/01-HPAA.htm
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