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Merck

60109

炭酸カリウム

puriss. p.a., ACS reagent, anhydrous, ≥99.0% (T)

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この商品について

化学式:
K2CO3
CAS番号:
分子量:
138.21
UNSPSC Code:
12352302
NACRES:
NB.24
PubChem Substance ID:
EC Number:
209-529-3
Beilstein/REAXYS Number:
4267587
MDL number:
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製品名

炭酸カリウム, puriss. p.a., ACS reagent, anhydrous, ≥99.0% (T)

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

ACS reagent
puriss. p.a.

assay

≥99.0% (T)

form

powder or crystals

impurities

≤0.001% total nitrogen (N)
≤0.004% total sulfur (as SO4)

loss

≤1% loss on drying, 300 °C

pH

11-13 (25 °C, 138 g/L)

mp

891 °C (lit.)

anion traces

chloride (Cl-): ≤30 mg/kg
phosphate (PO43-): ≤10 mg/kg
silicate (as SiO2): ≤50 mg/kg

cation traces

Ag: ≤5 mg/kg
Al: ≤5 mg/kg
As: ≤0.5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Tl: ≤5 mg/kg
Zn: ≤5 mg/kg
heavy metals: ≤5 ppm (by ICP-OES)

Quality Level

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Application


  • Improved 2-pyridyl reductive homocoupling reaction using biorenewable solvent Cyrene (dihydrolevoglucosenone).: This study leverages potassium carbonate to enhance the homocoupling reaction of 2-pyridyl groups, showcasing its application in green chemistry for sustainable synthesis practices (Webb et al., 2023).

  • Synthesis, Characterization and Biological Evaluation of Magnolol and Honokiol Derivatives with 1,3,5-Triazine of Metformin Cyclization.: Potassium carbonate is used as a base in the synthesis of novel triazine derivatives, demonstrating its role in the development of biologically active compounds in pharmaceutical research (Ren et al., 2020).

  • Synthesis of (18) F-radiolabeled organophosphine fluorides for thiol-chemoselective peptide conjugation.: This article highlights the use of potassium carbonate in the preparation of radiolabeled compounds, essential for advancements in peptide conjugation and imaging techniques in molecular biology (Zhuang et al., 2020).

  • Molten-salt treatment of waste biomass for preparation of carbon with enhanced capacitive properties and electrocatalytic activity towards oxygen reduction.: Potassium carbonate is employed in molten-salt treatments to convert biomass into high-performance carbon materials, illustrating its importance in energy storage and environmental applications (Lu et al., 2016).

General description

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

Other Notes

Reagent for the decomposition of silicates by fusioncitationcitation

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

保管分類

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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文書ライブラリにアクセスする

R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
Chelating N-heterocyclic carbene ligands in palladium-catalyzed Heck-type reactions.
Herrmann WA, et al.
Journal of Organometallic Chemistry, 557(1), 93-96 (1998)
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)

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