2-Hydroxyphosphonocarboxylic Acid (HPAA)
  • 2-Hydroxyphosphonocarboxylic Acid (HPAA)
  • 2-Hydroxyphosphonocarboxylic Acid (HPAA)

2-Hydroxyphosphonocarboxylic Acid (HPAA)

Product name: 2-Hydroxyphosphonocarboxylic Acid(HPAA)
CAS NO.: 23783-26-8
MF: C2H5O6P
Molecular weight: 156
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2-Hydroxyphosphonocarboxylic Acid

(HPAA)

Basic Information:

Product name: 2-Hydroxyphosphonocarboxylic Acid(HPAA)

CAS NO.: 23783-26-8

MF: C2H5O6P

Molecular weight: 156

 

 

ITEMS

INDEX

Appearance

Dark umber liquid

Solid content %

45-50

Phosphorous acid (as PO33-)%

4.0

Density (20℃) g/cm3

1.30

pH (1% solution)

1-3

 
 
 

Packaging: 250kg/drum

Properties:

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.

Applications:

HPAA is mainly used as metal cathode corrosion inhibitor. It can be widely used in the circulating cool water system, play as a corrosion inhibitor in the field ofsteel & iron, petrochemcal, power plant and medicine. It is suitable as a corrosion inhibitor for the low-hardness and corrosion water of the south of China.When built with zinc salt, the effect is even better.

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