Synthesis of potassium dichloroiodate

Preparation of potassium dichloroiodate

Preparation of potassium dichloroiodate

Preparation of potassium dichloroiodate

A mixture of 71 g. (0.33 mole) of potassium iodate, 40 g. of potassium chloride and 5 ml. of conc. hydrochloric acid in 80 ml. of water is stirred vigorously and treated simultaneously with 111 g. (0.66 mole) of potassium iodide in 100 ml. of water and with 170 ml. of conc. hydrochloric acid. The rate of addition of the hydrochloric acid and potassium iodide solutions were so regulated that no gaseous chlorine is evolved. After addition is completed, the volume is brought to 500 ml. with water to give a 2 N solution of potassium iododichloride.

J. Am. Chem. Soc., 1956, 78 (13), pp 3210–3216

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