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Merck
CN

900502

Potassium carbonate

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

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About This Item

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

Key Documents

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Product Name

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

InChI key

BWHMMNNQKKPAPP-UHFFFAOYSA-L

InChI

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

SMILES string

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

grade

anhydrous
reagent grade

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.)

Quality Level

100

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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.

General description

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

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

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW3148
MKCX5160
MKCT5926
MKCW7611
MKCS5363

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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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