| 1 | Description | White, crystalline powder. | White, crystalline powder. |
| 2 | Solubility | Complies | Soluble in water. |
| 3 | Identification A (By IR) | Complies | IR spectra of the sample should concomitant with IR spectra of the standard |
| 4 | Identification B (By Chemical test) | Complies | The red color should discharge, leaving a yellowish solution. |
| 5 | Identification C (By Chemical test) | Complies | A dense white precipitate should form. |
| 6 | Assay (on dried basis) | 99.8% | 99.0% - 101.0% |
| 7 | Calcium (Ca) | Complies | No precipitate should form. |
| 8 | Limit of Nitrilotriacetic acid | 0.03% | Not more than 0.1% |
| 9 | pH | 4.4 | 4.0-6.0 |
| 10 | Loss on drying at 150° for 6 Hr | 9.9% | 8.7%-11.4% |