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C6763

Sigma-Aldrich

Calcium carbonate

ReagentPlus®

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Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
Beilstein/REAXYS Number:
8008338
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.55

Quality Level

product line

ReagentPlus®

assay

≥99% (EDTA titration)

form

powder

pH

8

density

2.93 g/mL at 25 °C (lit.)

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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General description

Calcium carbonate is a calcium salt commonly found in shells and skeleton of marine animals. It is an inexpensive, non-toxic and easily available reagent with a wide range of applications such as uptake of CO2 and extraction of heavy metals and arsenic from ground water. Its crystals exist as 3 different polymorphs namely, calcite, aragonite, and vaterite. The kinetics of pyrolysis of calcium carbonate under non-isothermal conditions have been investigated.

Application

Calcium carbonate may be used:
  • As a pore generating agent to prepare porous ceramics.
  • As chelometric standard for the standardization of EDTA solution.
  • To extract aluminium by microwave induced thermal activation of coal fly ash (CFA).
Iron-Catalyzed Efficient Synthesis of Amides from Aldehydes and Amine Hydrochloride Salts

Iron-Catalyzed Efficient Synthesis of Amides from Aldehydes and Amine Hydrochloride Salts

Legal Information

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

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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Polymorphs calcium carbonate on temperature reaction.
Chong KY, et al.
AIP Conference Proceedings, 1614(1) (2014)
Kinetics of calcium carbonate decomposition.
Rao TR.
Chemical Engineering & Technology, 19(4), 373-377 (1996)
Kanwaljit Kaur
Handbook of Water and Wastewater Analysis, 247-248 (2007)
Permeability of porous ceramic based on calcium carbonate as pore generating agent.
Sim?o L, et al.
Ceramics International, 41(3), 4782-4788 (2015)
Calcium carbonate nanoparticles as cancer drug delivery system.
Maleki Dizaj S, et al.
Expert Opinion on Drug Delivery, 12(10) (2015)

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