碘化钾

colorless transparent or white translucent hexagonal or white granular powder

white cubic crystal or powder. It is slightly hygroscopic in moist air, precipitates free iodine for a long time and turns yellow, and can form a trace amount of iodate. Light and moisture can accelerate decomposition. 1g was dissolved in 0.7 ml of water , 0.5ml of boiling water, 22ml of ethanol, 8ml of boiling ethanol, 51ml of absoute ethanol, 8 ml of methanol. 7.5ml of acetone, 2 ml of glycerol, and about 2.5ml of ethylene glycol. Itsi aqueous solution is neutral or slightly alkaline and can dissolve iodine.