P5833

Kaliumcarbonat

BioXtra, ≥99.0%

• Lineare Formel: K₂CO₃
• CAS-Nummer: 584-08-7
• Molekulargewicht: 138.21
• Beilstein: 4267587
• EG-Nummer: 209-529-3
• MDL-Nummer: MFCD00011382
• UNSPSC-Code: 12352302
• PubChem Substanz-ID: 329820236
• NACRES: NA.21

Eigenschaften

• Qualität: for analytical purposes
• Produktlinie: BioXtra
• Assay: ≥99.0%
• Form: powder
• Verunreinigungen: ≤0.0005% Phosphorus (P); ≤0.1% Insoluble matter
• pH-Wert: 11-13 (25 °C, 138 g/L)
• mp (Schmelzpunkt): 891 °C (lit.)
• Löslichkeit: H₂O: 1 M, clear, colorless
• Anionenspuren: chloride (Cl^-): ≤0.005%; sulfate (SO₄^2-): ≤0.02%
• Kationenspuren: Al: ≤0.0005%; Ca: ≤0.001%; Cu: ≤0.0005%; Fe: ≤0.0005%; Mg: ≤0.0005%; NH₄⁺: ≤0.05%; Na: ≤0.5%; Pb: ≤0.001%; Zn: ≤0.0005%
• 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
• InChIKey: BWHMMNNQKKPAPP-UHFFFAOYSA-L

Beschreibung

Allgemeine Beschreibung

Potassium carbonate is an inorganic base that is used in the alkylation of phenols and 1,3-dicarbonyl compounds, as well as the generation of sulfur and phosphorus ylides. It is also used to dry organic solvents.

Anwendung

Potassium carbonate can be used as a catalyst in the:

• Markovnikov addition reactions.
• Suzuki cross-coupling reactions.

It can also be used as a base for the N-arylation of benzamides via C-N coupling reaction.

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H315,H319,H335
• P-Sätze: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 13 - Non Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable