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Hydroxyphosphonocarboxylic Acid

Hydroxyphosphonocarboxylic Acid

Country/Region china

Company Shandong Aona Chemical Co., Ltd

Categories HPAA

Update 2019-07-20 02:04:46

ICP License Issued by the Chinese Ministry

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Hydroxyphosphonocarboxylic Acid

2-Hydroxyphosphonocarboxylic Acid


CAS No. 23783-26-8Synonyms: Hydroxyphosphono-acetic Acid
Molecular Formula:C2H5O6P Molecular weight: 156

Structural Formula:

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
Phosphorous acid(as PO33-)%4.0 max
Density (20℃) g/cm31.30 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:
200L plastic drum,IBC(1000L),customers’ requirement. Storage for one year in shady room and dry place.

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