HPAA Hydroxphosphono-acetic acid

Hydroxyphosphono-acetic acid (HPAA)

CASNo. : 23783-26-8 Molecular Weight: 156
Molecular Formula: C2H5O6P Brand Name: AQUACID 118EX

Structure:

hydroxyphosphono-acetic-acid-hpaa

Product Features:

HPAA is a powerful mild steel corrosion inhibitor for all-organic cooling water formulations. HPAA reduces iron fouling which improves heat transfer efficiency. Good biodegradability of HPAA makes it suitable in areas where the molybdenum discharge rate is regulated at very low levels. It can be easily monitored by a standard organophosphonate test kit.

HPAA is an environmentally acceptable corrosion inhibitor for carbon steel in cooling water systems. It gives better corrosion protection for carbon steel when used in conjunction with zinc or other phosphonates. HPAA reduces iron fouling, thus improving heat transfer efficiency and reducing system maintenance costs. HPAA is biodegradable and especially suitable in applications where the molybdate discharge is regulated OR all organic cooling water treatment is desired. It is expected to be susceptible to halogen attack.

Specifications:

Parameter Product details
Appearance Liquid
Color Dark brown
Specific Gravity @ 25oC 1.32-1.42
pH (1%) solution < 2
Active Content Approx. 50%
Solubility Miscible in water

These are typical values. For latest specification please contact us

Alternate Name/Synonyms:

2-hydroxy-2-phosphono-acetic acid;

2-hydroxy-2-phosphonoacetic acid;

2-hydroxy-2-phosphono-ethanoic acid;

Acetic acid, hydroxyphosphono-;

alpha.-hydroxyl phosphonoacetic acid;

alpha.-hydroxyphosphonoacetic acid

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