60109

Potassium carbonate

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

• Formule linéaire : K₂CO₃
• Numéro CAS: 584-08-7
• Poids moléculaire : 138.21
• Numéro Beilstein : 4267587
• Numéro CE : 209-529-3
• Numéro MDL: MFCD00011382
• Code UNSPSC : 12352302
• ID de substance PubChem : 329758753
• Nomenclature NACRES : NB.24

Propriétés

• Qualité: ACS reagent; puriss. p.a.
• Pureté: ≥99.0% (T)
• Forme: powder or crystals
• Impuretés: ≤0.001% total nitrogen (N); ≤0.004% total sulfur (as SO₄)
• Perte: ≤1% loss on drying, 300 °C
• pH: 11-13 (25 °C, 138 g/L)
• Pf: 891 °C (lit.)
• Traces d'anions: chloride (Cl^-): ≤30 mg/kg; phosphate (PO₄^3-): ≤10 mg/kg; silicate (as SiO₂): ≤50 mg/kg
• Traces de cations: 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)
• Chaîne SMILES: [K+].[K+].[O-]C([O-])=O
• InChI: 1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
• Clé InChI: BWHMMNNQKKPAPP-UHFFFAOYSA-L

Description

Description générale

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

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).

Autres remarques

Reagent for the decomposition of silicates by fusion

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H315 - H319 - H335
• Conseils de prudence: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Classification des risques: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Organes cibles: Respiratory system
• Code de la classe de stockage: 13 - Non Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable