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221945

Sigma-Aldrich

Potassium iodide

ACS reagent, ≥99.0%

Linear Formula:
KI
CAS Number:
Molecular Weight:
166.00
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.21

grau

ACS reagent

Nível de qualidade

200

pressão de vapor

1 mmHg ( 745 °C)

teor

≥99.0%

forma

crystals

Impurezas

≤0.001% N compounds
≤0.005% insolubles

perda

≤0.2% loss on drying

pH

6.0-9.2 (25 °C, 5%)

pf

681 °C (lit.)

traços de ânion

chloride, bromide (as Cl)-: ≤0.01%
iodate (IO3-): ≤3 ppm
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.005%

traços de cátion

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

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Descrição geral

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

Aplicação

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.

Embalagem

5, 100, 500 g in poly bottle
2.5 kg in poly bottle
12 kg in poly drum
50 kg in fiber drum

Informações legais

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

Pictogramas

Health hazard

Palavra indicadora

Danger

Frases de perigo

Declarações de precaução

Classificações de perigo

STOT RE 1 Oral

Órgãos-alvo

Thyroid

Código de classe de armazenamento

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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