2-Hydroxyphosphonoacetic Acid (HPAA) CAS NO.23783-26-8
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Delivery term:
The date of payment from buyers deliver within days
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Hubei
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Validity to:
Long-term effective
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Last update:
2020-02-08 17:33
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Address:#6 of Ying Ling Road, Huangzhou Railway Station Economic Development Zone, Huanggang City, Hubei Province.
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2-Hydroxyphosphonocarboxylic Acid (HPAA)
CAS No. 23783-26-8
Molecular Formula: C2H5O6P
Formula Weight: 156.03 g/mol
Structure
Industry Uses
HPAA is an organic phosphine scale and corrosion inhibitor with low phosphorus content. Its molecule contains phosphonic acid group, carboxylic acid group and hydroxyl group. It has excellent performance in scale and corrosion inhibition, especially in soft water and high hardness water. HPAA has the characteristics of low phosphorus, good thermal stability, low toxicity, etc. It can achieve good compatibility and synergy with some common water stabilizers. It can achieve better corrosion inhibition when used with zinc salt.
HPAA is mainly used as a cathodic corrosion inhibitor for metals. It is widely used as a corrosion and scale inhibitor for recirculating cooling water systems in steel, petrochemical, power, and pharmaceutical industries.
Specification
Quality Specification | |
External |
dark red-brown aqueous solution |
Active content % |
50.0 min |
Phosphoric acid (as PO43-)% |
1.5 max |
Phosphorous acid (as PO33-)% |
3.0 max |
PH (1% aqueous solution) |
3.0 max |
Density (20℃) g/cm3 |
1.30 min |
Usage
HPAA can be combined with common organic phosphine, polymer and other monomers to form scale and corrosion inhibitors. In combination with zinc salt, the performance of corrosion inhibition will be better.
Packaging
· 200L plastic barrel (250kg)
· IBC (1000L)
· Or at customers’ requirement
Storage
store for twelve months in cool and dry place.
Shipping
Ship within 7 days
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Chemical Safety and Protection
● HPAA is an acid liquid. Harmful if swallowed.
● It may cause severe skin burns and eye damage. Do not contact with skin, eyes and clothes. Wash with plenty of water immediately after contact.
● Avoid inhalation of steam or smoke, keep the container closed, operate at the place with air circulation, and clean thoroughly after operation.
Quality Standard (China): HG/T 3926-2007
Synonyms
CAS 23783-26-8
Aceticacid
2-hydroxy-2-phosphono-
Hydroxyphosphono-aceticacid
2-HydroxyphosphonoaceticAcid
2-hydroxy-2-phosphono-aceticacid
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