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Merck

25059

Sigma-Aldrich

Potassium acetate

puriss., meets analytical specification of Ph. Eur., BP, E261, 99-101%

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About This Item

Fórmula lineal:
CH3COOK
Número de CAS:
Peso molecular:
98.14
Beilstein:
3595449
Número CE:
Número MDL:
Código UNSPSC:
12352302
ID de la sustancia en PubChem:
NACRES:
NA.21
Ensayo:
99-101%
Formulario:
crystalline

presión de vapor

<0.0000001 hPa ( 25 °C)

Nivel de calidad

grado

puriss.

Ensayo

99-101%

Formulario

crystalline

calidad

meets analytical specification of Ph. Eur., BP, E261

impurezas

residual solvents, complies
≤0.0004% heavy metals (as Pb)
≤0.05% KMnO4 red. matter (as HCOOH)

pérdida

≤1% loss on drying, 150 °C, 2 h

pH

7.5-9 (20 °C, 5%)

densidad

1.57 g/cm3 at 25 °C (lit.)

trazas de anión

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

trazas de catión

Al: ≤1 mg/kg
As: ≤2 mg/kg
Ca: ≤50 mg/kg
Cu: ≤4 mg/kg
Fe: ≤10 mg/kg
Mg: ≤30 mg/kg
Na: ≤5000 mg/kg
Pb: ≤4 mg/kg
Zn: ≤10 mg/kg

cadena SMILES

[K+].CC([O-])=O

InChI

1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1

Clave InChI

SCVFZCLFOSHCOH-UHFFFAOYSA-M

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Descripción general

Potassium acetate is a hygroscopic potassium salt. It can be prepared by the neutralization of acetic acid with potassium hydroxide or potassium carbonate. It can be used as nucleophilic catalyst for polymerization and addition reactions, source of acetate anion in substitution and addition reaction. It can be used as a base and promoter in various organic reactions.

Aplicación

Potassium acetate is used as a catalyst:
  • In the preparation of 2-hexadecylfuran from furfuraldehyde and palmitic anhydride.
  • Potassium acetate can be used as a base:,In Lossen rearrangement of hydroxamic acids to carbamic acids.
  • In E2 elimination reactions.
  • In the formation of lactones from alkoxyamide substrates.

Potassium acetate is also used as a promoter:
  • In the borylation of aryl chlorides with bis(pinacolato)diboron in presence of palladium catalyst.
  • In the β-boration of α, β-unsaturated ketones.

Código de clase de almacenamiento

13 - Non Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


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