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Phosphonate Scale and Corrosion Inhibitors
HPAA 50%
CAS No.: 23783-26-8 EINECS No.: 405-710-8
Molecular Formula: C2H5O6P Molecular Weight: 156
RIDADR: UN 3265 8/PG III
Structural Formula:

Properties:
HPAA has good chemical stability, hard to be hydrolyzed, and hard to be damaged by acid or alkali, safe and reliable to use, non-toxic and pollution-free. HPAA can improve the solubility of zinc, with strong inhibition, HPAA has better inhibition performance than HEDP, EDTMP.HPAA is mainly used as the cathodic corrosion inhibitor for metals, but also widely used to realize corrosion inhibition and scale inhibition in circulating cooling water system of steel, petrochemical, electric power, pharmaceutical and other industries. HPAA is specially suitable for low hardness and easy-corrosive water quality.
Specification:
| Items | Index |
| Appearance | Dark umber liquid |
| Solid content % | 50.0 min |
| Total phosphonic acid(as PO43-)% | 25.0 min |
| Phosphoric acid (as PO43- )% | 1.5 max |
| Density (20℃) g/cm3 | 1.30 min |
| pH(1% water solution) | 3.0 max |
Usage:
The organic corrosion inhibitors of which HPAA combines with low molecular weight polymer have excellent performance. When built with zinc salt, the effect is even better.
Safety Protection:
Avoid contact with eye and skin, once contacted, flush with water.
Synonyms:
HPAA; HPA;
2-Hydroxy Phosphonoacetic Acid;
2-Hydroxyphosphonocarboxylic Acid;
Hydroxyphosphono-acetic acid;
Normally in 200L HDPE drum, 1000L IBC, or customers’ requirement.
Storage for ten months in shady room and dry place.
Gite concentrate on water treatment chemicals industry since established, and have make great progress. On the basis of technology development, our company has taken in a group of experienced personnels who are talented in senior management, marketing and skills of producing. In the company, great attention is paid to basic management, stable quality, continuously improving pre-sale services, sale and after-sale services, and enhancing the market competitiveness of ouur products.Main products of our company: HEDP, ATMP, PBTCA, PAA, PAAS.

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Answer:
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1. Paypal; 2. Alibaba Trade; 3. T/T (Telegraphic Transfer); 4. L/C (Letter of Credit)
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