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900502

Sigma-Aldrich

Potassium carbonate

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

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500 G
$65.81
1 KG
$159.00
2.5 KG
$267.00
12 KG
$897.00

About This Item

Linear Formula:
K2CO3
CAS Number:
584-08-7
Molecular Weight:
138.21
Beilstein/REAXYS Number:
4267587
EC Number:
209-529-3
MDL number:
MFCD00011382
UNSPSC Code:
12352302
PubChem Substance ID:
24861531
NACRES:
NA.21
assay:
≥98%
grade:
anhydrous
reagent grade
form:
powder

$65.81

List Price$91.40Save 28%
Web-Only Promotion

Available to ship onApril 18, 2025Details

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grade

anhydrous
reagent grade

Quality Level

100

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.[1] It participates as base in the palladacycle catalyzed Heck reaction of chlorobenzene with styrene.[2]

Application

Potassium carbonate was used in the following studies:
  • Synthesis of polysubstituted iodobenzene derivatives.[3]
  • As base for the synthesis of high molecular weight homopolymers and copolymers derived from various bisphenols.[4]
  • As base for the Suzuki coupling of aryl halides with aryl boronic acids.[5]
  • As base for the Heck reaction of styrene and bromobenzene.[1]

Legal Information

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

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT5926
MKCW7611
MKCS5363
MKCR0566
MKCQ1507

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Robert Möckel et al.
Organic letters, 17(7), 1644-1647 (2015-03-21)
The cobalt-catalyzed Diels-Alder reaction of trimethylsilyl-substituted alkynes with 1,3-dienes led to dihydroaromatic intermediates which were transformed into iodobenzene derivatives. For this transformation, the dihydroaromatic intermediates had to be oxidized and the trimethylsilyl-substituted arene had to undergo a silicon-iodine exchange reaction.
Synthesis, kinetic observations and characteristics of polyarylene ether sulphones prepared via a potassium carbonate DMAC process.
Viswanathan R, et al.
Polymer, 25(12), 1827-1836 (1984)
Chelating N-heterocyclic carbene ligands in palladium-catalyzed Heck-type reactions.
Herrmann WA, et al.
Journal of Organometallic Chemistry, 557(1), 93-96 (1998)
Heck reaction catalyzed by phospha-palladacycles in non-aqueous ionic liquids.
Herrmann WA and Bohm VPW.
Journal of Organometallic Chemistry, 572(1), 141-145 (1999)
Heck reaction using palladium complexed to dendrimers on silica.
Alper H, et al.
Canadian Journal of Chemistry, 78(6), 920-924 (2000)
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Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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