Product Name: 1- Hydroxy Ethylidene- 1,1- Diphosphonic Acid (HEDP) 60%
| Sr. No. | Analysis | Standard |
| 1. | Appearance | Colourless or Pale Yellow Liquid |
| 2. | Active Content (as acid)% | ≥ 60 |
| 3. | Phosphoric Acid (as PO43-)% | ≤ 0.8 |
| 4. | Phosphorous Acid (as PO33-)% | ≤ 2.0 |
| 5. | PH (1%) | ≤ 2.0 |
| 6. | Density (20°C)g/cm3 | ≥ 1.40 |
| 7. | Fe ion ppm | ≤ 10 |
| 8. | Chloride (as Cl-)ppm | ≤ 100 |
| 9. | Ca Chelating Value mg/g | ≥ 500 |
| 10. | Colour Hazen | ≤ 30 |