1.02161

Calcium sulfate dihydrate

precipitated for analysis EMSURE^®

• Sinónimos: Calcium sulfate dihydrate
• Fórmula empírica (notación de Hill): CaO₄S · 2H₂O
• Número de CAS: 10101-41-4
• Peso molecular: 172.17
• Número MDL: MFCD00149625
• Código UNSPSC: 12352302
• Número índice de la CE: 231-900-3
• NACRES: NA.21
• Ensayo: 99.0-102.0% (complexometric)
• Formulario: solid
• solubilidad: 2 g/L

Propiedades

• Nivel de calidad: 300
• Línea del producto: EMSURE^®
• Ensayo: 99.0-102.0% (complexometric)
• Formulario: solid
• potencia: >10000 mg/kg LD₅₀, oral (Rat)
• impurezas: ≤0.01% Substances insoluble in hydrochloric acid
• pH: 7.0 (20 °C, 50 g/L in H₂O, slurry)
• solubilidad: 2 g/L
• densidad: 2.32 g/cm³ at 20 °C
• densidad aparente: 400‑600 kg/m³
• trazas de anión: carbonate (CO₃^2-): passes test; chloride (Cl^-): ≤0.005%; nitrate (NO₃^-): passes test
• trazas de catión: Fe: ≤0.001%; K: ≤0.005%; Mg: ≤0.01%; Na: ≤0.2%; Sr: ≤0.05%; heavy metals (as Pb): ≤0.002%
• temp. de almacenamiento: 2-30°C
• cadena SMILES: [Ca+2].[S](=O)(=O)([O-])[O-].O.O
• InChI: 1S/Ca.H2O4S.2H2O/c;1-5(2,3)4;;/h;(H2,1,2,3,4);2*1H2/q+2;;;/p-2
• Clave InChI: PASHVRUKOFIRIK-UHFFFAOYSA-L

Descripción

Aplicación

• 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).

Nota de análisis

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 %

Información legal

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

Información de seguridad

• Código de clase de almacenamiento: 13 - Non Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 1
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable