| Product name | 2-Phosphonobutane-1,2,4-tricarboxylic Acid |
| CAS NO. | 37971-36-1 |
| Content | 49-51% |
| EINECS NO. | 253-733-5 |
| UN NO. | 3265 |
| Molecular Formula | C7H11O9P |
| Molecular weight | 270.1306 |
| Appearance | Colorless to slight yellow transparent liquid |
| Product Grade | Industrial |
| Structural Formula |  |
| Description & Application | It is a good scale inhibitor and corrosion inhibitor, is widely used in circulating cooling water system and oil field water injection system of anti-scaling treatment . |
| Safety Protection | Acidity, avoid contact with eye and skin, once contacted, flush with water. |
| Specification | Active content (as acid)% : 49- 51 Phosphoric acid(as PO43-)%: ≤0.2 Chloride (as Cl-)ppm: ≤10 PH（1% solution）: ≤ 2.0 Iron,ppm≤5 Density(20℃) g/cm3 : 1.27 – 1.30 Appearance： Colorless to slight yellow transparent liquid |
| Package | 200L Drum, 1000L IBC or Bulk. Stored in cool and dry place. |
| Shelf Life | 1 year |
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