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221945

Iodure de potassium

Name: Iodure de potassium
Brand: SIGALD

ACS reagent, ≥99.0%

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A propos de cet article

Formule linéaire :

Numéro CAS:

7681-11-0

Poids moléculaire :

166.00

NACRES:

NA.21

PubChem Substance ID:

329752287

UNSPSC Code:

12352302

EC Number:

231-659-4

MDL number:

MFCD00011405

Assay:

≥99.0%

Grade:

ACS reagent

Form:

crystals

Solubility:

water: complete (ca.1,430 g/l at 25 °C (77 °F))

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Propriétés

grade

ACS reagent

Quality Level

200

vapor pressure

1 mmHg ( 745 °C)

assay

≥99.0%

form

crystals

impurities

≤0.001% N compounds, ≤0.005% insolubles

loss

≤0.2% loss on drying

pH

6.0-9.2 (25 °C, 5%)

mp

681 °C (lit.)

solubility

water: complete (ca.1,430 g/l at 25 °C (77 °F))

anion traces

chloride, bromide (as Cl)^-: ≤0.01%, iodate (IO₃^-): ≤3 ppm, phosphate (PO₄^3-): ≤0.001%, sulfate (SO₄^2-): ≤0.005%

cation traces

Ba: ≤0.002%, Ca: ≤0.002%, Fe: ≤3 ppm, Mg: ≤0.001%, Na: ≤0.005%, heavy metals (as Pb): ≤5 ppm

SMILES string

[K+].[I-]

InChI

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

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

Description

General description

Potassium iodide is a water soluble inorganic salt that can be prepared by reacting hydrogen iodide and potassium bicarbonate.

Application

Potassium iodide may be used as a catalyst in the following processes: Conversion of aromatic primary amines to the corresponding nitro compounds in the presence of tert-butyl hydroperoxide as oxidant. Conversion of aryl halide to aryl iodides in the presence of nickel catalysts. Preparation of sulfonated oxindoles from activated alkenes and sulfonylhydrazides in water and in the presence of 8-crown-6 and tert-butyl hydroperoxide.

Other Notes

Go to Redi-Dri^™ Product Listing 746428

Legal Information

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

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Danger

flash_point_f

Not applicable

flash_point_c

Not applicable

Hazard Classifications

Eye Irrit. 2 - Repr. 1B - STOT RE 2 Oral

target_organs

Thyroid,Liver

Classe de stockage

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

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Synthesis of sulfonated oxindoles by potassium iodide catalyzed arylsulfonylation of activated alkenes with sulfonylhydrazides in water.

The Journal of Organic Chemistry, 78(14), 7343-7348 (2013)

Selective Oxidation of Aromatic Amines to Nitro Derivatives using Potassium Iodide-tert-Butyl Hydroperoxide Catalytic System

Reddy KR, et al

Advanced Synthesis & Catalysis, 351(1-2), 93-96 (2009)

Synthesis of Aryl Iodides from Aryl Halides and Potassium Iodide by Means of Nickel Catalyst

Takagi K, et al

Chemistry Letters (Jpn), 7(2), 191-192 (1978)

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Numéro d'article de commerce international

Référence	GTIN
221945-100G	04061838777768
221945-500G	04061837768699
221945-12KG	04061838777775
221945-50KG	04061833636558
221945-2.5KG	04061838777782
221945-5G	04061838777799