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Merck

1.02067

Calcium carbonate

precipitated for analysis of silicates EMSURE®

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About This Item

Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
UNSPSC Code:
12352302
NACRES:
NA.21
EC Index Number:
207-439-9
MDL number:
Beilstein/REAXYS Number:
8008338
Assay:
≥99.0% (complexometric)
Form:
solid
Solubility:
0.017 g/L
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Quality Level

product line

EMSURE®

assay

≥99.0% (complexometric)

form

solid

potency

6450 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rat)

impurities

≤0.005% Substances insoluble in hydrochloric acid

pH

9.5-10.5 (20 °C, 100 g/L in H2O, slurry)

mp

825 °C (decomposition)

solubility

0.017 g/L

density

2.93 g/mL at 25 °C (lit.)

bulk density

300‑1400 kg/m3

anion traces

chloride (Cl-): ≤0.02%, sulfate (SO42-): ≤0.01%

cation traces

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%

storage temp.

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

InChI key

VTYYLEPIZMXCLO-UHFFFAOYSA-L

Application


  • 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).


Analysis Note

Assay (complexometric): ≥ 99.0 %
Substances insoluble in hydrochloric acid: ≤ 0.005 %
Chloride (Cl): ≤ 0.02 %
Sulfate (SO₄): ≤ 0.01 %
Total nitrogen (N): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
Ba (Barium): ≤ 0.02 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.02 %
Na (Sodium): ≤ 0.005 %
Sr (Strontium): ≤ 0.02 %

Legal Information

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


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Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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