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Potassium iodide(KI)
Tiffany Wong F.3D (31)
Potential Hazards
IrritantIrritant OxidisingOxidising ToxicToxic
Basic information
Physical Properties Melting Point:681 °C Boiling Point:1330 °C Physical state at room
temperature:crystalline solid
Colour: white Density: 3.123 g/cm3 Solubility in water:
128 g/100 ml (0 °C)206 g/100 mL (100°C)
Do not conduct electricity
Chemical Properties Mild reducing agent Easily oxidised by
powerful oxidising agent, such as chlorine
KI is oxidised even more easily under acidic conditions
Precautions Potassium iodide is a mil
d irritant, so it should be handled with gloves
Uses contained in hair processing chemicals in order to preven
t later sun bleaching used in photography, in the preparation of silver (I) iodid
e for high speed photographic film used as an expectorant to treat lung congestion
Interesting characteristics Potassium iodide may also be used to protect the thyroid
from radioactive iodine in the event of an accident or attack at a nuclear power plant, or other nuclear attack
In case of a nuclear emergency, iodine is used for the cleaning of wounds and should not be ingested. It is a poison.
Resources
① http://en.wikipedia.org/wiki/Potassium_iodide
② http://www.righthealth.com/topic/Potassium_iodide
③ http://www.healthcareprescriptiondrugabuse.com/Potassium_iodide.html