1-Hydroxyethylidene-1,1-diphosphonic acid (HEDPA) is a deflocculant and sequestrant. It is used as a scale and corrosion inhibitor in cooling water systems, low pressure boiler water treatments. It has wide applications in industrial and institutional cleaners and swimming pool stain prevention.
Packaging: 250kg drum
| Properties | Typical | Unit |
|---|---|---|
| Appearance | Clear, colourless to pale yellow solution | |
| Active Acid Content | 58.0 – 62.0 | Max. % |
| pH (1% solution @ 25°C) | 2.0 | |
| Iron | 35 max | ppm |
| Phosphorus Acid | 4.0 max | % |
| Chlorides (Cl) | 300 max | ppm |
| Specific Gravity @20°C | 1.42 – 1.47 | g/mL |
