1.02067

Calciumcarbonat

precipitated for analysis of silicates EMSURE^®

• Lineare Formel: CaCO₃
• CAS-Nummer: 471-34-1
• Molekulargewicht: 100.09
• Beilstein: 8008338
• MDL-Nummer: MFCD00010906
• UNSPSC-Code: 12352302
• EG-Index-Nummer: 207-439-9
• NACRES: NA.21

Eigenschaften

• Qualitätsniveau: 300
• Produktlinie: EMSURE^®
• Assay: ≥99.0% (complexometric)
• Form: solid
• Wirksamkeit: 6450 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rat)
• Verunreinigungen: ≤0.005% Substances insoluble in hydrochloric acid
• pH-Wert: 9.5-10.5 (20 °C, 100 g/L in H₂O, slurry)
• mp (Schmelzpunkt): 825 °C (decomposition)
• Löslichkeit: 0.017 g/L
• Dichte: 2.93 g/mL at 25 °C (lit.)
• Schüttdichte: 300‑1400 kg/m³
• Anionenspuren: chloride (Cl^-): ≤0.02%; sulfate (SO₄^2-): ≤0.01%
• Kationenspuren: Ba: ≤0.02%; Fe: ≤0.001%; K: ≤0.002%; Mg: ≤0.02%; N: ≤0.01%; Na: ≤0.005%; Sr: ≤0.02%; heavy metals (as Pb): ≤0.001%
• Lagertemp.: 10-30°C
• SMILES String: [Ca++].[O-]C([O-])=O
• InChI: 1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
• InChIKey: VTYYLEPIZMXCLO-UHFFFAOYSA-L

Beschreibung

Anwendung

• Characterization of an advanced bone graft material with a nanocrystalline hydroxycarbanoapatite surface and dual phase composition.: The study characterizes an advanced bone graft material, emphasizing the role of calcium carbonate in enhancing the material′s structural and functional properties for biomedical applications (Borden et al., 2024).


• Discovery of a hyperalkaline liquid condensed phase: significance toward applications in carbon dioxide sequestration.: This study explores a hyperalkaline liquid phase rich in calcium carbonate, discussing its potential applications in carbon dioxide sequestration and environmental remediation (Bewernitz et al., 2024).

Hinweis zur Analyse

Gehalt (komplexometrisch): ≥ 99,0 %
In Salzsäure unlösliche Anteile: ≤ 0,005 %
Chlorid (Cl): ≤ 0,02 %
Sulfat (SO₄): ≤ 0,01 %
Gesamtstickstoff (N): ≤ 0,01 %
Schwermetalle (als Pb): ≤ 0,001 %
Ba (Barium): ≤ 0,02 %
Fe (Eisen): ≤ 0,001 %
K (Kalium): ≤ 0,002 %
Mg (Magnesium): ≤ 0,02 %
Na (Natrium): ≤ 0,005 %
Sr (Strontium): ≤ 0,02 %

Rechtliche Hinweise

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

Sicherheitshinweise

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