1.02161

Calciumsulfat-Dihydrat

precipitated for analysis EMSURE^®

• Synonym(e): Calciumsulfat-Dihydrat
• Empirische Formel (Hill-System): CaO₄S · 2H₂O
• CAS-Nummer: 10101-41-4
• Molekulargewicht: 172.17
• MDL-Nummer: MFCD00149625
• UNSPSC-Code: 12352302
• EG-Index-Nummer: 231-900-3
• NACRES: NA.21

Eigenschaften

• Qualitätsniveau: 300
• Produktlinie: EMSURE^®
• Assay: 99.0-102.0% (complexometric)
• Form: solid
• Wirksamkeit: >10000 mg/kg LD₅₀, oral (Rat)
• Verunreinigungen: ≤0.01% Substances insoluble in hydrochloric acid
• pH-Wert: 7.0 (20 °C, 50 g/L in H₂O, slurry)
• Löslichkeit: 2 g/L
• Dichte: 2.32 g/cm³ at 20 °C
• Schüttdichte: 400‑600 kg/m³
• Anionenspuren: carbonate (CO₃^2-): passes test; chloride (Cl^-): ≤0.005%; nitrate (NO₃^-): passes test
• Kationenspuren: Fe: ≤0.001%; K: ≤0.005%; Mg: ≤0.01%; Na: ≤0.2%; Sr: ≤0.05%; heavy metals (as Pb): ≤0.002%
• Lagertemp.: 2-30°C
• InChI: 1S/Ca.H2O4S.2H2O/c;1-5(2,3)4;;/h;(H2,1,2,3,4);2*1H2/q+2;;;/p-2
• InChIKey: PASHVRUKOFIRIK-UHFFFAOYSA-L

Beschreibung

Anwendung

• Acid leaching technology for post-consumer gypsum purification.: This research presents a novel method for purifying post-consumer gypsum, primarily composed of calcium sulfate dihydrate, through acid leaching, highlighting advancements in recycling and environmental management of gypsum waste (Castro-Diaz et al., 2023).


• Gypsum-Related Impact on Antibiotic-Loaded Composite Based on Highly Porous Hydroxyapatite-Advantages and Disadvantages.: This study evaluates the influence of gypsum in antibiotic-loaded composites, offering significant findings on the biomedical applications of calcium sulfate dihydrate in drug delivery systems (Zalewska et al., 2023).


• Organic solvent-free synthesis of calcium sulfate hemihydrate at room temperature.: Details a groundbreaking method for synthesizing calcium sulfate hemihydrate without organic solvents, contributing to greener and more sustainable chemical processes in industrial and laboratory settings (Reigl et al., 2024).

Hinweis zur Analyse

Gehalt (komplexometrisch): 99,0 - 102,0 %
In Salzsäure unlösliche Anteile: ≤ 0,01 %
Carbonat (als CO₃): entspricht
Chlorid (Cl): ≤ 0,005 %
Nitrat (NO₃): entspricht
Schwermetalle (als Pb): ≤ 0,002 %
Fe (Eisen): ≤ 0,001 %
K (Kalium): ≤ 0,005 %
Mg (Magnesium): ≤ 0,01 %
Na (Natrium): ≤ 0,2 %
Sr (Strontium): ≤ 0,05 %

Rechtliche Hinweise

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

Sicherheitshinweise

• Lagerklassenschlüssel: 13 - Non Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable