| Product name | 2-Hydroxyphosphonocarboxylic Acid |
| CAS NO. | 23783-26-8 |
| Content | 48-52% |
| UN NO. | 3265 |
| Molecular Formula | C2H5O6P |
| Molecular weight | 156 |
| Appearance | Dark amber liquid. |
| Product Grade | Industrial |
| Structural Formula |  |
| Description & Application | Widely used in iron and steel, petrochemical, power, pharmaceutical and other industry scale, the corrosion of recycle cooling water system, suitable for low hardness of water quality in south China HPAA can be widely used in iron and steel, petrochemical, power, pharmaceutical and other industry scale, the corrosion of recycle cooling water system, generally as a corrosion inhibitor with zinc salt, low hardness, water quality is applicable to the south of China and has scale effect. |
| Safety Protection | Acidity, avoid contact with eye and skin, once contacted, flush with water. |
| Specification | Solid content % : 48- 52 Phosphorous acid(as PO33-) %：≤4.0 PH（1% solution）: ≤ 3.0 Density(20℃) g/cm3 : 1.32 – 1.42 Appearance： Dark amber liquid. |
| Package | 200L Drum, 1000L IBC or Bulk. Stored in cool and dry place. |
| Shelf Life | 1 year |
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