Merck
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900502

Sigma-Aldrich

Potassium carbonate

anhydrous, free-flowing, −325 mesh, Redi-Dri, reagent grade, ≥98%

Linear Formula:
K2CO3
CAS Number:
Molecular Weight:
138.21
Beilstein:
4267587
EC Number:
MDL number:
PubChem Substance ID:

grade

anhydrous
reagent grade

Quality Level

product line

Redi-Dri

assay

≥98%

form

powder

quality

free-flowing

particle size

−325 mesh

pH

11-13 (25 °C, 138 g/L)

mp

891 °C (lit.)

SMILES string

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

InChI

1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

BWHMMNNQKKPAPP-UHFFFAOYSA-L

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General description

Potassium carbonate is an inorganic base. It participates as base in the palladacycle catalyzed Heck reaction of chlorobenzene with styrene.

Application

Potassium carbonate was used in the following studies:
  • Synthesis of polysubstituted iodobenzene derivatives.
  • As base for the synthesis of high molecular weight homopolymers and copolymers derived from various bisphenols.
  • As base for the Suzuki coupling of aryl halides with aryl boronic acids.
  • As base for the Heck reaction of styrene and bromobenzene.

Packaging

500 g in poly bottle
1 kg in poly bottle
2.5, 12 kg in poly drum

Legal Information

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

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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