- KCl - M = 74,56 g/mol - CAS [7447-40-7] - EINECS-No.: 231-211-8 - Density: 1,13 g/cm3 - Solub. in water: (20 ºC): miscible - LD 50 (oral, rat): 2600 mg/kg (pure substance) - Tariff number: 3104 20 10 00 - Applications: analytical chemistry, laboratory reagent, for electroanalysis. SPECIFICATIONS potassium chloride (KCl): 224 g water : 1 Liter