CASR |
: | 7447-40-7 |
Molecular Formula |
: | KCl |
Molecular Weight |
: | 74.56 |
| Specifications | |
|---|---|
| Description: | Small white crystals / crystalline powder. |
| Solubility: | Freely soluble in water, practically insoluble in anhydrous ethanol and diethyl ether. |
| Assay(argentometric): | 99.0% - 100.5% |
| Identification (Chloride a): | A white curdled precipitate which dissolves easily in ammonia should form |
| Identification (Chloride b): | The paper should turn violet red |
| Identification (Potassium a): | A white crystalline precipitate should form |
| Identification (Potassium b): | A yellow or orange yellow precipitate should form immediately |
| Identification (Potassium): | A white crystalline precipitate that soluble in 6N ammonium hydroxide and solutions of alkali hydroxides and carbonates should form |
| Appearance of solution: | Clear and colorless solution |
| Free acid/Alkali: | NMT 0.5ml of 0.01M hydrochloric acid or of 0.01M sodium hydroxide should require to change the color of indicator |
| Acidity or Alkalinity: | A pink color should produce |
| Bromide (Br): | NMT 0.1% |
| Iodide(I): | The substance should not show blue color |
| Sulfate (SO4): | NMT 0.01% |
| Heavy metals (as Pb): | NMT 0.0005% |
| Aluminium (Al): | NMT 0.00001% |
| Arsenic (As): | NMT 0.0001% |
| Iron (Fe): | NMT 0.001% |
| Sodium (Na): | NMT 0.05% |
| Lead (Pb): | NMT 0.0002% |
| Calcium(Ca)& Magnesium(Mg): | No turbidity should produce within 5 min. |
| Magnesium and alkaline earth metals: | NMT 0.02% |
| Loss on drying at 130°C: | NMT 0.5% |
| Total aerobic microbial count: | NMT 100 CFU/gm |
| Total Yeast and mold count: | NMT 100 CFU/gm |
| Bacterial endotoxins: | NMT 2.5 IU/gm |
