| Product name | Ethylenediamine Tetramethylenephosphonic Acid |
| CAS NO. | 1429-50-1 |
| Content | 25%Min |
| EINECS NO. | 215-851-5 |
| Molecular Formula | C6H20N2O12P4 |
| Molecular weight | 436.1242 |
| Appearance | Colorless to pale yellow transparent liquid |
| Product Grade | Industrial |
| Structural Formula |  |
| Description & Application | It is a multi-functional organic water treatment agent, free of heavy metal ions, low phosphorus content, good compatibility with commonly used bactericides and algaecides, and difficult to decompose and reduce efficiency. This product has excellent corrosion inhibition effect on carbon steel, stainless steel, copper and copper alloy. Calcium phosphate scale has excellent performance in preventing calcium carbonate scale. In the normal operation of circulating cooling water, there is no need to add acid to adjust PH value, and the dosage is simple and easy to operate. SM-301 can be used as scale and corrosion inhibitor for circulating cooling water with high hardness, high basicity and high PH value. It can effectively control scaling, corrosion and fouling deposition of heat exchanger. It is mainly used in circulating cooling water system of petroleum, power, chemical industry, fertilizer, steel and oil refining industries. |
| Safety Protection | Acidity, avoid contact with eye and skin, once contacted, flush with water. |
| Specification | Active content % : ≥25% Phosphorous acid(as PO33-) %：≤1.0 Phosphoric acid(as PO43-)%: 6.0-12.0 PH（1% solution）: ≤ 4.0 Density(20℃) g/cm3 : 1.10 Appearance：Colorless to pale yellow transparent liquid |
| Package | 200L Drum, 1000L IBC or Bulk. Stored in cool and dry place. |
| Shelf Life | 1 year |
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