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47293 Potassium iodide, 1:2 w/w soln. in distilled water

CAS Number
7681-11-0
Synonyms

Stock No. Size Price ($) Quantity Availability
47293-K2 1L 156.00
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Potassium iodide, 1:2 w/w soln. in distilled water

MDL
MFCD00011405
EINECS
213-659-4

Chemical Properties

Formula
KI
Formula Weight
166.01
Form
Liquid
Melting point
681°
Boiling Point
1330°
Density
3.12
Refractive Index
1.677
Storage & Sensitivity
Hygroscopic. Store under Nitrogen. Ambient temperatures.
Solubility
Soluble in water (145 g/100ml at 25°C), alcohol (45.5 mg/ml), methanol (125 mg/ml), acetone (13.1 mg/ml at 25°C), and ethanol (19.6 mg/ml).

Applications

Potassium iodide is a simple iodide salt utilized as a fluorescence quenching agent which acts by collision quenching of fluorescent substances by the iodide ion. It is also used in the isolation of single stranded DNA.

Notes

Protect from light and moisture. Incompatible with strong reducing agents, strong acids, steel, aluminum, alkali metals, brass, magnesium, zinc, cadmium, copper, tin, nickel and their alloys. It is hygroscopic in nature. Store at room temperature.

Literature References

Flowers S.; Biswas EE.; Biswas SB. Conformational dynamics of DnaB helicase upon DNA and nucleotide binding: analysis by intrinsic tryptophan fluorescence quenching. Biochemistry. 2003, 42 (7), 1910-21.

Alfred Weissler.; Herbert W. Cooper.; Stuart Snyder. Chemical Effect of Ultrasonic Waves: Oxidation of Potassium Iodide Solution by Carbon Tetrachloride. J. Am. Chem. Soc. 1950, 72 (4), 1769-1775.

Other References

Merck
14,7643
Harmonized Tariff Code
2827.60
TSCA
Yes
RTECS
TT2975000

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