Potassium iodide
Synonyms: LUGOL;LUGOL'S SOLUTION;IODIDE;IODIDE IC STANDARD;IODINE, ELEMENTAL;IODIDE, ION CHROMATOGRAPHY STANDARD SOLUTION;IODINE-IODINE;IODINE SOLUTION
CAS: 7681-11-0
MF: IK
MW: 166
EINECS: 231-442-4
Melting point 113 °C(lit.)
Boiling point 184 °C(lit.)
density 1.32 g/mL at 25 °C
vapor density 9 (vs air)
vapor pressure 0.31 mm Hg ( 25 °C)
refractive index 1.677
Fp 1330°C
storage temp. Store at RT.
solubility H2O: 1 M at 20 °C, clear, colorless
form particles (round)
Water Solubility 1.43 kg/L
Sensitive Hygroscopic
Merck 14,7643
Stability: Stable. Protect from light and moisture. Incompatible with strong reducing agents, strong acids, steel, aluminium, alkali metals, brass, magnesium, zinc, cadmium, copper, tin, nickel and their alloys.
Chemical Properties Powder
Usage Potassium iodide is used to treat overactive thyroid and to protect the thyroid gland from the effects of radiation from inhaled or swallowed radioactive iodine. It may be used before and after administration of medicine containing radioactive iodine or a
General Description Odorless white solid. Sinks and mixes with water.
Air & Water Reactions Water soluble.