900502

Kaliumcarbonat

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

• 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: 24861531
• NACRES: NA.21

Eigenschaften

• Qualität: anhydrous; reagent grade; free-flowing
• Qualitätsniveau: 100
• Produktlinie: Redi-Dri^™
• Assay: ≥98%
• Form: powder
• Partikelgröße: −325 mesh
• pH-Wert: 11-13 (25 °C, 138 g/L)
• mp (Schmelzpunkt): 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
• InChIKey: BWHMMNNQKKPAPP-UHFFFAOYSA-L

Beschreibung

Allgemeine Beschreibung

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

Anwendung

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.

Rechtliche Hinweise

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

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