1 | Description | White crystalline powder. Is odorless. Is efflorescent in warm, dry air. | Colorless, transparent crystals, or white, granular crystalline powder, or white flakes. Is odorless or has a faint acetous odor, Is efflorescent in warm, dry air. |
2 | Solubility | Complies | Very soluble in water; soluble in alcohol. |
3 | Identification A (Sodium) | Complies | A dense white precipitate should form. |
4 | Identification B (Acetate) | Complies | A dark color or blue precipitate should form. |
5 | Assay (on dried basis) | 99.8% | 99.0% - 101.0% of C2H3NaO2 |
6 | Chloride (Cl) | Less than 350ppm | NMT 350ppm |
7 | Sulphate (SO4) | Less than 50ppm | NMT 50ppm |
8 | Calcium & Magnesium | Complies | No turbidity should produced within 5 min. |
9 | Potassium (K) | Complies | No precipitate should form. |
10 | pH | 8.37 | 7.5 - 9.2 |
11 | Loss on drying,120°C | 0.5% | NMT 1.0% |
12 | Insoluble matter | 0.003% | NMT 0.05% |