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347825

Sigma-Aldrich

Potassium carbonate

reagent grade, ≥98%, powder, −325 mesh

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

grade

reagent grade

Quality Level

Assay

≥98%

form

powder

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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Potassium carbonate reagent grade, ≥98%, powder, −325 mesh

Sigma-Aldrich

347825

Potassium carbonate

Potassium carbonate meets analytical specification of Ph. Helv., puriss., anhydrous, granulated, 99-101% (calc. to the dried substance)

Sigma-Aldrich

12611

Potassium carbonate

Potassium carbonate ReagentPlus®, 99%

Sigma-Aldrich

310263

Potassium carbonate

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

Sigma-Aldrich

900502

Potassium carbonate

grade

reagent grade

grade

-

grade

-

grade

anhydrous, reagent grade

assay

≥98%

assay

99-101% (calc. to the dried substance)

assay

99%

assay

≥98%

form

powder

form

powder or crystals

form

solid

form

powder

pH

11-13 (25 °C, 138 g/L)

pH

11-13 (25 °C, 138 g/L)

pH

11-13 (25 °C, 138 g/L)

pH

11-13 (25 °C, 138 g/L)

mp

891 °C (lit.)

mp

891 °C (lit.)

mp

891 °C (lit.)

mp

891 °C (lit.)

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

100

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.

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

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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