1.04928

Kaliumcarbonat

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

• Synonym(e): Kaliumcarbonat, Pottasche
• Empirische Formel (Hill-System): CK₂O₃
• CAS-Nummer: 584-08-7
• Molekulargewicht: 138.21
• MDL-Nummer: MFCD00011382
• UNSPSC-Code: 12352302
• EG-Index-Nummer: 209-529-3
• NACRES: NA.21

Eigenschaften

• Qualität: ACS reagent
• Qualitätsniveau: 300
• Agentur: reag. ISO; reag. Ph. Eur.
• Produktlinie: EMSURE^®
• Assay: ≥99.0% (acidimetric); ≥99.0% dry basis (acidimetric)
• Form: solid
• Wirksamkeit: >2000 mg/kg LD₅₀, oral (Rat)
• Verunreinigungen: ≤0.005% Insoluble matter; ≤0.01% Substances precipitated by ammonia
• Verlust: ≤1% loss on drying, 300 °C
• pH-Wert: 11.5-12.5 (20 °C, 50 g/L in H₂O)
• mp (Schmelzpunkt): 891 °C
• Dichte: 2.43 g/cm³ at 20 °C
• Schüttdichte: 750 kg/m³
• Anionenspuren: chloride (Cl^-): ≤0.003%; phosphate (PO₄^3-): ≤0.001%; silicate (as SiO₂): ≤0.005%; sulfur compounds (as SO₄^2-): ≤0.003%
• Kationenspuren: Ca: ≤0.002%; Cu: ≤0.0005%; Fe: ≤0.0005%; Mg: ≤0.001%; N: ≤0.001%; Na: ≤0.02%; Pb: ≤0.0005%; heavy metals: ≤0.0005%
• Lagertemp.: 2-30°C
• InChI: 1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
• InChIKey: BWHMMNNQKKPAPP-UHFFFAOYSA-L

Beschreibung

Anwendung

• Catalytic pyrolysis and in situ carbonization of walnut shells: This research presents a method for the poly-generation of energy and enhanced electrochemical performance of carbons using potassium carbonate. The study highlights the application in biochar production and its potential use in energy storage and conversion devices, showcasing the integration of environmental sustainability and material science (He W et al., 2024).


• Improved synthesis of 6-bromo-7-[(11)C]methylpurine for clinical use: This paper describes the enhanced synthesis process involving potassium carbonate, which is crucial for the preparation of radiopharmaceuticals used in medical imaging. This underscores the compound′s role in enhancing pharmaceutical research and diagnostics (Okamura T et al., 2024).


• Effects of Xanthan gum and Potassium carbonate on the quality and flavor properties of frozen Jiuniang doughs: The study explores the use of potassium carbonate in food science, particularly in improving the texture and flavor of frozen dough products. It presents a potential application in food preservation and processing industries (Ma W et al., 2023).


• Potential of GTL biosolids in a circular economy: This article investigates the use of potassium carbonate in the treatment and utilization of biosolids, highlighting its role in environmental sustainability and waste management. The research contributes to the development of greener technologies in the life science manufacturing sector (Zuhara S et al., 2023).


• Potassium carbonate-mediated β-selective anomeric O-alkylation with primary electrophiles: The paper presents a method for synthesizing glycosphingolipids using potassium carbonate, emphasizing its importance in organic synthesis and pharmaceutical applications. This demonstrates the adaptability of potassium carbonate in facilitating complex chemical reactions within pharmaceutical research (Lakshika Hettiarachchi I et al., 2023).

Verlinkung

Ersetzt: PX1390; PX1390-1; PX1390-20

Hinweis zur Analyse

Gehalt (acidimetrisch, berechnet auf getrocknete Substanz): ≥ 99,0 %
Gehalt (acidimetrisch): ≥ 99,0 %
Unlösliche Anteile: ≤ 0,005 %
Chlorid (Cl): ≤ 0,003 %
Phosphat (PO₄): ≤ 0,001 %
Silicat (SiO₂): ≤ 0,005 %
Gesamtschwefel (als Sulfat): ≤ 0,003 %
Gesamtstickstoff (N): ≤ 0,001 %
Schwermetalle (ACS): ≤ 0,0005 %
Ca (Calcium): ≤ 0,002 %
Cu (Kupfer): ≤ 0,0005 %
Fe (Eisen): ≤ 0,0005 %
Mg (Magnesium): ≤ 0,001 %
Na (Natrium): ≤ 0,02 %
Pb (Blei): ≤ 0,0005 %
Durch Ammoniak gefällte Anteile: ≤ 0,01 %
Trocknungsverlust (300 °C): ≤ 1,0 %
Entspricht ACS, ISO, Reag. Ph Eur

Rechtliche Hinweise

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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