Merck
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1.02059

Supelco

Calcium carbonate

99.95 Suprapur®

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Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
Beilstein:
8008338
MDL number:
EC Index Number:
207-439-9

grade

for inorganic trace analysis

Quality Level

Assay

99.95%

form

solid

potency

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

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

storage temp.

2-30°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

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Calcium carbonate 99.95 Suprapur®

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Sigma-Aldrich

795445

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assay

99.95%

assay

≥99.0% (complexometric)

assay

98.5-100.5% dry basis (complexometric)

assay

≥99%

form

solid

form

solid

form

solid

form

powder

pH

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

pH

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

pH

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

pH

8

mp

825 °C (decomposition)

mp

825 °C (decomposition)

mp

825 °C (decomposition)

mp

-

solubility

0.017 g/L

solubility

0.017 g/L

solubility

-

solubility

H2O: insoluble

Analysis Note

Purity (metallic): ≥ 99.95 %
Assay (complexometric): ≥ 99.0 %
Chloride (Cl): ≤ 5 ppm
Phosphate (PO₄): ≤ 10 ppm
Sulfate (SO₄): ≤ 20 ppm
Al (Aluminium): ≤ 0.20 ppm
Ba (Barium): ≤ 2.0 ppm
Cd (Cadmium): ≤ 0.010 ppm
Ce (Cerium): ≤ 0.050 ppm
Co (Cobalt): ≤ 0.010 ppm
Cr (Chromium): ≤ 0.050 ppm
Cu (Copper): ≤ 0.050 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Iron): ≤ 0.100 ppm
Hg (Mercury): ≤ 0.050 ppm
K (Potassium): ≤ 2.0 ppm
La (Lanthanum): ≤ 0.050 ppm
Li (Lithium): ≤ 1.0 ppm
Mg (Magnesium): ≤ 5.0 ppm
Mn (Manganese): ≤ 0.050 ppm
Na (Sodium): ≤ 3.0 ppm
Ni (Nickel): ≤ 0.050 ppm
Pb (Lead): ≤ 0.050 ppm
Rb (Rubidium): ≤ 20 ppm
Sc (Scandium): ≤ 0.010 ppm
Sm (Samarium): ≤ 0.010 ppm
Sr (Strontium): ≤ 100 ppm
Tl (Thallium): ≤ 0.01 ppm
Y (Yttrium): ≤ 0.010 ppm
Yb (Ytterbium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.10 ppm

Legal Information

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

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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