1.02161

Calcium sulfate dihydrate

precipitated for analysis EMSURE^®

• Synonim(y): Calcium sulfate dihydrate
• Wzór empiryczny (zapis Hilla): CaO₄S · 2H₂O
• Numer CAS: 10101-41-4
• Masa cząsteczkowa: 172.17
• Numer MDL: MFCD00149625
• Kod UNSPSC: 12352302
• Numer indeksu EC: 231-900-3

Właściwości

• Poziom jakości: 300
• linia produktu: EMSURE^®
• Próba: 99.0-102.0% (complexometric)
• Postać: solid
• siła działania: >10000 mg/kg LD₅₀, oral (Rat)
• zanieczyszczenia: ≤0.01% Substances insoluble in hydrochloric acid
• pH: 7.0 (20 °C, 50 g/L in H₂O, slurry)
• rozpuszczalność: 2 g/L
• gęstość: 2.32 g/cm³ at 20 °C
• gęstość nasypowa: 400‑600 kg/m³
• ślady anionów: carbonate (CO₃^2-): passes test; chloride (Cl^-): ≤0.005%; nitrate (NO₃^-): passes test
• ślady kationów: Fe: ≤0.001%; K: ≤0.005%; Mg: ≤0.01%; Na: ≤0.2%; Sr: ≤0.05%; heavy metals (as Pb): ≤0.002%
• temp. przechowywania: 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
• Klucz InChI: PASHVRUKOFIRIK-UHFFFAOYSA-L

Opis

Zastosowanie

• 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).

Komentarz do analizy

Assay (complexometric): 99.0 - 102.0 %
Substances insoluble in hydrochloric acid: ≤ 0.01 %
Carbonate (CO₃): passes test
Chloride (Cl): ≤ 0.005 %
Nitrate (NO₃): passes test
Heavy metals (as Pb): ≤ 0.002 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.01 %
Na (Sodium): ≤ 0.2 %
Sr (Strontium): ≤ 0.05 %

Informacje prawne

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

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Informacja o środkach bezpieczeństwa

• Kod klasy składowania: 13 - Non Combustible Solids
• Klasa zagrożenia wodnego (WGK): WGK 1
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable