1 | Description | White crystalline powder, odourless, slightly hygroscopic, and has a faint, saline taste. Stable in air. | White crystalline granules or white, crystalline powder, odourless, slightly hygroscopic, and has a faint, saline taste. Stable in air. |
2 | Solubility | Complies | Freely soluble in water. |
3 | Identification A (By IR) | Complies | IR spectrum of sample should be concomitant with IR spectrum of standard |
4 | Identification B (By Chemical test) | Complies | A white precipitate should form. |
5 | Identification C (By Chemical test) | Complies | A white crystalline precipitate should form. |
6 | Assay (Anhydrous basis) | 99.4% | 98.0% - 102.0% |
7 | Chloride (Cl) | Less than 0.10% | NMT 0.10% |
8 | Organic impurities; disodium Edetate | Less than 1.0% | NMT 1.0% |
9 | Limit of Nitrilotriacetic acid | 0.035% | NMT 0.1% |
10 | pH (1 in 5) | 6.76 | 6.5 - 8.0 |
11 | Water | 9.6% | 5.0% - 13.0% |