1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
Product Description
| Product | 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid |
| CAS | 2809-21-4 |
| Formula | C2H8O7P2 |
| Synonym | HEDP, Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, Phosphonic acid, (1-hydroxyethylidene)bis- |
Typical Product Specifications
| Density @ 20C | 1.40 g/cm^3 |
| Appearance | Colorless or light yellow transparent liquid |
| Active Content | 58.0 - 62.0% |
| Chloride | <= 0.01% |
| Color (APHA) | <= 40 HU |
| pH | <= 2 (1% solution) |
| Phosphorous Acid | <= 2.0% |
| Fe ion | <= 10 ppm |
| Phosphoric Acid | <= 0.8% |
| Molecular weight | 206.03 |
| Notes | HEDP is primarily used in scale and corrosion inhibition in a variety of industries. It can also be used as a chelating agent, in detergents for metals and nonmetals, and in dye-fixing agents. Use: CHELATING |
| Class | Corrosion Inhibitors, Water Treatment Chemicals, Scale Inhibitors |
| Function | Anti-Corrosive, Scale Inhibitor |
| Industry | Water Treatment, Anti-Corrosives, Detergent, Organics |
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