2-Hydroxy Phosphonoacetic Acid HPAA for water treatment CAS NO.23783-26-8

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2-Hydroxy Phosphonoacetic Acid HPAA

CAS No: 23783-26-8

Molecular Formula:C2H5O6P

HS code 2931901990

UN 3265

EINIECS NO 229-146-5

Dark umber liquid

Product Property

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 EDTMPA.Na5. When built with low molecular polymers, its corrosion inhibition effect is even better.

Applications:

HPAA is mainly used as cathode corrosion inhibitor in oilfield refill water system in fields such as steel & iron, petrochemical, power plant and medical industries. When built with zinc salt, the effect is even better.

Product Specification:

Items Index

Appearance Dark brown liquid

Solid content (%) 50.0 min

Phosphorous acid as PO33-(%) 4.0 max

PH (1% solution) 3.0 max

Density at 20°C,g/cm3 1.3min

Iron, as Fe (ppm) 50.0 max

Package and Storage:

Normally in 200L HDPE drum and 1000L IBC.

Safety Protection:

Acidity, avoid contact with eye and skin, once contacted, flush with plenty water.