1 | Description | White, granular powder. Is odorless, has a saline taste, and is stable in air. Its solutions are neutral to litmus. | Colorless, elongated, prismatic, or cubical crystals,or white, granular powder. Is odorless, has a saline taste, and is stable in air. Its solutions are neutral to litmus. |
2 | Solubility | Passes | Freely soluble in water and even more soluble in boiling water; insoluble in alcohol. |
3 | Identification A (Potassium) | Complies | A white crystalline precipitate that soluble in 6 N ammonium hydroxide and solutions of alkali hydroxides and carbonates should form. |
4 | Identification B (Chloride) | Complies | A curdy precipitate that insolublein nitric acid but soluble in a slight excess of 6 N ammonium hydroxide should form. |
5 | Assay (on dried basis) | 99.8% | 99.0% - 100.5% of KCl |
6 | Sodium (Na) | Complies | Sample solution tested on a platinum wire does not impart a pronounced yellow color to a nonluminous flame. |
7 | Iodide(I) | Less than 0.005% | NMT 0.005% |
8 | Bromide (Br) | Less than 0.1% | NMT 0.1% |
9 | Calcium(Ca)&Magnesium(Mg) | Passes | No turbidity should produce within 5 min. |
10 | Acidity & alkalinity | Passes | A pink color should produce |
11 | Loss on drying,105°C | 0.4% | NMT 1.0% |