| Appearance | White fine crystal |
| KCl content; % min | 99,5 |
| Substances insoluble in water content; % max | 0,005 |
| pH of 5% solution | 5,5 – 8,0 |
| Total nitrogen content; % max | 0,001 |
| Barium content; % max | 0,001 |
| Magnesium content; % max | 0,001 |
| Sodium content; % max | 0,2 |
| Calcium content; % max | 0,001 |
| Iron content; % max | 0,0002 |
| Heavy metals content, as Pb; % max | 0,0005 |
| Bromides content; % max | 0,005 |
| Phosphates content; % max | 0,0005 |
| Iodides content; % max | 0,002 |
| Sulfates content; % max | 0,002 |