1.04928

Potassium carbonate

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

• Synonim(y): Potassium carbonate, potash
• Wzór empiryczny (zapis Hilla): CK₂O₃
• Numer CAS: 584-08-7
• Masa cząsteczkowa: 138.21
• Numer MDL: MFCD00011382
• Kod UNSPSC: 12352302
• Numer indeksu EC: 209-529-3
• NACRES: NA.21

Właściwości

• klasa czystości: ACS reagent
• Poziom jakości: 300
• agency: reag. ISO; reag. Ph. Eur.
• linia produktu: EMSURE^®
• Próba: ≥99.0% (acidimetric); ≥99.0% dry basis (acidimetric)
• Postać: solid
• siła działania: >2000 mg/kg LD₅₀, oral (Rat)
• zanieczyszczenia: ≤0.005% Insoluble matter; ≤0.01% Substances precipitated by ammonia
• strata: ≤1% loss on drying, 300 °C
• pH: 11.5-12.5 (20 °C, 50 g/L in H₂O)
• mp: 891 °C
• gęstość: 2.43 g/cm³ at 20 °C
• gęstość nasypowa: 750 kg/m³
• ślady anionów: chloride (Cl^-): ≤0.003%; phosphate (PO₄^3-): ≤0.001%; silicate (as SiO₂): ≤0.005%; sulfur compounds (as SO₄^2-): ≤0.003%
• ślady kationów: 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%
• temp. przechowywania: 2-30°C
• InChI: 1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
• Klucz InChI: BWHMMNNQKKPAPP-UHFFFAOYSA-L

Opis

Zastosowanie

• 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).

Powiązanie

Replaces: PX1390; PX1390-1; PX1390-20

Komentarz do analizy

Assay (acidimetric; calculated on dried substance): ≥ 99.0 %
Assay (acidimetric): ≥ 99.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.003 %
Phosphate (PO₄): ≤ 0.001 %
Silicate (SiO₂): ≤ 0.005 %
Total sulfur (as sulfate): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (ACS): ≤ 0.0005 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.02 %
Pb (Lead): ≤ 0.0005 %
Substances precipitated by ammonia: ≤ 0.01 %
Loss on drying (300 °C): ≤ 1.0 %
Corresponds to ACS, ISO, Reag. Ph Eur

Informacje prawne

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

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Informacja o środkach bezpieczeństwa

• Piktogramy: GHS07
• Hasło ostrzegawcze: Warning
• Zwroty wskazujące rodzaj zagrożenia: H315,H319,H335
• Zwroty wskazujące środki ostrożności: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Klasyfikacja zagrożeń: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Organy docelowe: Respiratory system
• Kod klasy składowania: 13 - Non Combustible Solids
• Klasa zagrożenia wodnego (WGK): WGK 1
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable