| 1 | Description | A white, crystalline powder. | A white, crystalline powder. | IP |
| 2 | Solubility | Complies | Soluble in water, practically insoluble in ethanol (95%). | IP |
| 3 | Identification A (By IR) | Complies | IR spectra of the sample should be concomitant with IR spectra of the standard | IP |
| 4 | Identification B (By Chemical test) | Complies | No precipitate should produce. | IP |
| 5 | Identification C (By Chemical test) | Complies | No precipitate should produce. | IP |
| 6 | Identification D (Sodium 1) | Complies | A dense white precipitate should form. | IP |
| 7 | Identification D (Sodium 2) | Complies | No precipitate should form. | IP |
| 8 | Appearance of Solution | Complies | solution should be clear and colourless | IP |
| 9 | pH of 5%w/v solution | 4.50 | 4.0-5.5 | IP |
| 10 | Impurity A (Nitrilotriacetic acid) | 0.02% | NMT 0.1% | IP |
| 11 | Heavy metals | Less than 20ppm | NMT 20ppm | IP |
| 12 | Iron (Fe) | Less than 80ppm | NMT 80ppm | IP |
| 13 | Assay | 99.8% | 98.5%- 101.0% | IP |