aqueous solution ofI2
alcoholic solution ofI2
aqueous solution ofKI
solution ofI2in aqueousKI
Tincture of iodine is an solution of I2 in aqueous KI. It is an antiseptic, it is also called weak iodine solution. It is usually 2-7% iodine and 2-4% potassium iodide in water and ethanol.