1.02161

Calcium sulfate dihydrate

precipitated for analysis EMSURE^®

• Sinonimo/i: Calcium sulfate dihydrate
• Formula empirica (notazione di Hill): CaO₄S · 2H₂O
• Numero CAS: 10101-41-4
• Peso molecolare: 172.17
• Numero MDL: MFCD00149625
• Codice UNSPSC: 12352302
• Numero indice EU: 231-900-3
• NACRES: NA.21
• Saggio: 99.0-102.0% (complexometric)
• Stato: solid
• Solubilità: 2 g/L

Proprietà

• Livello qualitativo: 300
• Nome Commerciale: EMSURE^®
• Saggio: 99.0-102.0% (complexometric)
• Stato: solid
• Potenza: >10000 mg/kg LD₅₀, oral (Rat)
• Impurezze: ≤0.01% Substances insoluble in hydrochloric acid
• pH: 7.0 (20 °C, 50 g/L in H₂O, slurry)
• Solubilità: 2 g/L
• Densità: 2.32 g/cm³ at 20 °C
• Densità bulk: 400‑600 kg/m³
• Anioni in tracce: carbonate (CO₃^2-): passes test; chloride (Cl^-): ≤0.005%; nitrate (NO₃^-): passes test
• Cationi in tracce: Fe: ≤0.001%; K: ≤0.005%; Mg: ≤0.01%; Na: ≤0.2%; Sr: ≤0.05%; heavy metals (as Pb): ≤0.002%
• Temperatura di conservazione: 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; PASHVRUKOFIRIK-UHFFFAOYSA-L

Descrizione

Applicazioni

• 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).

Risultati analitici

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 %

Note legali

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

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 13 - Non Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable