| Product name | Disodium Sodium of 1-Hydroxy Ethylidene-1,1-diphosphonic Acid |
| CAS NO. | 7414-83-7 |
| Content | 90%Min |
| EINECS NO. | 231-025-7 |
| Molecular Formula | C2H6O7P2 Na2 |
| Molecular weight | 250 |
| Appearance | White crystalline powder |
| Product Grade | Industrial |
| Structural Formula |  |
| Description & Application | HEDPNa2, widely used in electric power, chemical industry, metallurgy, fertilizer and other industrial circulating cooling water system and the medium and low pressure boiler, oil field water injection and oil pipeline anti-scaling gentle erosion; HEDPNa2 in the textile industry, cleaning agent for metal and nonmetal, industry of peroxide bleaching stabilizer and fixing agent, complexing agent without cyanide electroplating industry. |
| Specification | Active content (as HEDP.2Na)%: ≥90 Phosphoric acid(as PO43-)%: ≤0.7 Phosphoric acid(as PO33-)%: ≤2.0 Fe,ppm : ≤35 PH（1% solution）: 4.0-6.0 Appearance： White crystalline powder |
| Package | 25kg/bag. Stored in cool and dry place. |
| Shelf Life | 1 year |
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