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793582

Sigma-Aldrich

Potassium iodide

anhydrous, free-flowing, Redi-Dri, ReagentPlus®, 99%

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Linear Formula:
KI
CAS Number:
Molecular Weight:
166.00
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

anhydrous

Quality Level

vapor pressure

1 mmHg ( 745 °C)

product line

ReagentPlus®
Redi-Dri

assay

99%

form

powder or crystals

quality

free-flowing

pH

~6.9 (20 °C, 50 g/L)

mp

681 °C (lit.)

SMILES string

[K+].[I-]

InChI

1S/HI.K/h1H;/q;+1/p-1

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

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This Item
2219453031503124
Potassium iodide anhydrous, free-flowing, Redi-Dri™, ReagentPlus®, 99%

793582

Potassium iodide

-
Potassium iodide ACS reagent, ≥99.0%

221945

Potassium iodide

Essential Grade
Potassium iodide puriss. p.a., reag. ISO, reag. Ph. Eur., ≥99.0%

30315

Potassium iodide

-
Potassium iodide puriss., meets analytical specification of Ph. Eur. BP, USP, 99.0-100.5% (calc. to the dried substance)

03124

Potassium iodide

Essential Grade
assay

99%

assay

≥99.0%

assay

≥99.0%, 99.0-100.5% (calc. to the dried substance)

assay

99.0-100.5% (calc. to the dried substance)

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

-

grade

anhydrous

grade

ACS reagent

grade

-

grade

-

mp

681 °C (lit.)

mp

681 °C (lit.)

mp

681 °C (lit.)

mp

681 °C (lit.)

pH

~6.9 (20 °C, 50 g/L)

pH

6.0-9.2 (25 °C, 5%)

pH

6.0-8.0 (20 °C, 5%)

pH

~6.9 (20 °C, 50 g/L)

General description

Potassium iodide is an inorganic sodium salt. It is used as a source of iodide in organic synthesis. In the presence of oxidizing agents, it iodinates aromatic hydrocarbons and organothallium compounds. It is also used as a reagent for the cleavage of some ethers in the presence of acid.

Application

Potassium iodide can be used as a reducing agent for the reduction of graphene oxide in the presence of hydrochloric acid. It is also used as a dopant in the preparation of solid polymer electrolytes for energy devices.

Features and Benefits

  • Increased efficiency – Eliminates time and effort of loosening hardened powders      
  • Safety – Eliminates tools of force used to break up clumps
  • Ecology – Reduces waste as it does not stick to the packaging
  • Economy – Faster preparation and solvation increase productivity and reduce costs      
  • Assured Quality – Excellent, expert-tested quality with no anti-caking agents     
  • Flexible volumes – Available from research amounts to scale-up quantities

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

STOT RE 1 Oral

target_organs

Thyroid

Storage Class

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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