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1.02067

Supelco

Calcium carbonate

precipitated for analysis of silicates EMSURE®

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

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

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1 of 4

This Item
1.020661.93666239216
Calcium carbonate precipitated for analysis of silicates EMSURE®

Supelco

1.02067

Calcium carbonate

-
Calcium carbonate precipitated for analysis EMSURE® Reag. Ph Eur

Supelco

1.02066

Calcium carbonate

-
Calcium carbonate (precipitated), EMPLURA®

Supelco

1.93666

Calcium carbonate

-
Calcium carbonate ACS reagent, ≥99.0%, powder

Sigma-Aldrich

239216

Calcium carbonate

Essential Grade
form

solid

form

solid

form

(precipitated)

form

powder

impurities

≤0.005% Substances insoluble in hydrochloric acid

impurities

≤0.005% Substances insoluble in hydrochloric acid, ≤0.2% Substances insoluble in acetic acid

impurities

-

impurities

≤0.002 meq/g water-soluble titr. base, ≤0.005% oxidizers, ≤0.01% NH4OH pptd., ≤0.01% insol. dil. HCl

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

-

pH

8

mp

825 °C (decomposition)

mp

825 °C (decomposition)

mp

-

mp

-

solubility

0.017 g/L

solubility

-

solubility

-

solubility

-

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

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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