1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Tetrasodium Salt (Powder)
Product Description
| Product | 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Tetrasodium Salt (Powder) |
| CAS | 3794-83-0 |
| Formula | C2H4O7P2Na4 |
| Synonym | HEDP•Na4, Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:4), Tetrasodium(1-hydroxyethylidene)bisphosphonate |
Typical Product Specifications
| Active Component (HEDP) | >= 56.0% |
| Active Component (HEDP Na4) | >= 79.9% |
| Phosphoric Acid | 52.0 - 54.0% |
| Fe | <= 35.0 ppm |
| pH | 11.0 - 12.0 (1% solution) |
| Appearance | White Powder |
| Loss on Drying | <= 15 % (20C) |
| Melting Point | -5 c |
| Molecular weight | 293.96 |
| Specific gravity | 1.30-1.35 |
| Notes | HEDP Na4 has a broad range of applications and is useful in very cold conditions. It can be used in oxide dissolving on metal surfaces and has good scale and corrosion inhibition effects under 250C.
Use: CHELATING, EMULSION STABILISING, VISCOSITY CONTROLLING |
| Class | Corrosion Inhibitors, Water Treatment Chemicals, Scale Inhibitors |
| Function | Anti-Corrosive, Shale Inhibitor, Metal deactivator |
| Industry | Water Treatment, Anti-Corrosives, Organics |
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