Merck
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207969

Sigma-Aldrich

Potassium iodide

ReagentPlus®, 99%

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

Quality Level

vapor pressure

1 mmHg ( 745 °C)

product line

ReagentPlus®

assay

99%

form

powder or crystals

pH

~6.9 (20 °C, 50 g/L)

mp

681 °C (lit.)

solubility

water: soluble(lit.)

SMILES string

[K+].[I-]

InChI

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

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

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General description

Potassium iodide (KI) is an inorganic potassium salt. KI is a colorless solid having cubic crystal system. It has been prepared by reacting hydroiodic acid with potassium hydroxide or potassium carbonate. Alumina loaded with potassium iodide has been employed as catalyst for the preparation of biodiesel by the transesterification reaction of soybean oil with methanol.

Application

Potassium iodide (KI) may be used in the preparation of standard iodide stock solution for the size exclusion chromatographic method for the estimation of iodide. It may be used in the spectrophotometric determination of advanced oxidation protein products (AOPP) in plasma.

Packaging

100, 500 g in poly bottle

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

STOT RE 1 Oral

Target Organs

Thyroid

Storage Class Code

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

WGK

WGK 3

Certificate of Analysis

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Certificate of Origin

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