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1.02059

Calcium carbonate

Name: Calcium carbonate
Brand: MM

99.95 Suprapur^®

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About This Item

Linear Formula:

CaCO₃

CAS Number:

471-34-1

Molecular Weight:

100.09

UNSPSC Code:

12352302

NACRES:

NA.21

EC Index Number:

207-439-9

MDL number:

MFCD00010906

Beilstein/REAXYS Number:

8008338

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Properties

Quality Level

100

description

for inorganic trace analysis

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

Description

Application

Elastic constants of biogenic calcium carbonate.: This study investigates the elastic properties of biogenic calcium carbonate, providing valuable insights into its mechanical behavior and potential applications in biomaterials and environmental sciences (Best et al., 2024).

Modification of Living Diatom, Thalassiosira weissflogii, with a Calcium Precursor through a Calcium Uptake Mechanism: A Next Generation Biomaterial for Advanced Delivery Systems.: This study explores the modification of living diatoms with calcium carbonate precursors, proposing innovative applications in advanced drug delivery systems (Abdul Rahman et al., 2024).

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

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Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c