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7681-11-0 - Potassium iodide, ACS, 99.0% min - 11601 - Alfa Aesar

11601 Potassium iodide, ACS, 99.0% min

CAS Number
7681-11-0
Synonyms

Size Price ($) Quantity Availability
100g 40.26
500g 128.14
2kg 458.35
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Potassium iodide, ACS, 99.0% min

MDL
MFCD00011405
EINECS
213-659-4

Chemical Properties

Formula
KI
Formula Weight
166.01
Form
Granular
Melting point
681°
Boiling Point
1330°
Density
3.12
Refractive Index
1.677
Sensitivity
Hygroscopic
Solubility
Soluble in water, alcohol, glycerol, and acetone. Slightly soluble in ether, and ammonia.

Applications

It is both a source of iodide and a mild reducing agent. It is used as a component in the electrolyte of dye sensitized solar cells. In the field of synthetic organic chemistry, it is used in the preparation of alkyl or aryl iodo compounds. It is employed as a nucleophilic catalyst in the alkylations with alkyl bromide, chloride, tosylate and mesylate. In the presence of acid it forms hydroiodic acid, which is a strong reducing agent. It is useful in producing Lugol’s solution (or Lugol’s iodne) which finds many applications including starch testing, gram stains, and etching of gold surfaces.

Notes

Hygroscopic. It is incompatible with strong reducing agents, oxidizing agents, strong acids and bases. Slowly oxidized in air over a period to form iodine.

Literature References

Kolvari, E.; Amoozadeh, A.; Koukabi, N.; Otokesh, S.; Isari, M. Aryl diazonium nanomagnetic sulfate and potassium iodide: an iodination process. Tetrahedron Lett. 2014, 55 (27), 3648 - 3651.

Uma Maheswari, C.; Sathish Kumar, G.; Venkateshwar, M. Transition metal and base free synthesis of 2-aryl-2-oxazolines from aldehydes and β-amino alcohols catalysed by potassium iodide. RSC Adv. 2014, 4, 39897-39900.

Other References

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

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