YingLong—2-Hydroxy Phosphonoacetic Acid (HPAA)

  • CAS No.: 23783-26-8
  • Type.: Water Treatment
  • Appearance: Dark umber liquid


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.

AppearanceDark umber liquid
Solid content %50.0 min
Total phosphonic acid(as PO43-)%25.0 min
Phosphoric acid  (as PO43- )%1.5 max
Density ( g/cm3)1.30 min
pH(1% water solution)3.0 max


HPAA is a kind of Water Treatment.  YingLong group is a Leading Chemical Supplier/Manufacturer of Water Treatment for 10 years.

We supply high quality Water Treatment (HEDP/Sodium Chlorite/TCCA/ATMP/PBTC/PAC/EDTMPA, etc) in best price.

Find Quality Water Treatment HPAA from Verified Supplier.

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:
200L plastic drum, IBC(1000L), customers' requirement. Storage for one year in shady room and dry place.


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  • E-mail:[email protected]
  • Address: Building 1, No. 1 Haikun Road, Fengxian District, Shanghai,China

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