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Merck
CN

398101

Calcium carbonate

ACS reagent, 99.95-100.05% dry basis

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About This Item

Linear Formula:
CaCO3
CAS Number:
471-34-1
Molecular Weight:
100.09
UNSPSC Code:
12352300
NACRES:
NA.21
PubChem Substance ID:
24864718
EC Number:
207-439-9
Beilstein/REAXYS Number:
8008338
MDL number:
MFCD00010906
Assay:
99.95-100.05% dry basis
Grade:
ACS reagent
Form:
powder
Solubility:
dilute HCl: 6.7%

Key Documents

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Product Name

Calcium carbonate, ACS reagent, 99.95-100.05% dry basis

InChI key

VTYYLEPIZMXCLO-UHFFFAOYSA-L

InChI

1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2

SMILES string

[Ca++].[O-]C([O-])=O

grade

ACS reagent

assay

99.95-100.05% dry basis

form

powder

impurities

≤0.01% NH4OH pptd.
≤0.01% insol. dil. HCl

pH

8

solubility

dilute HCl: 6.7%

density

2.93 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.001%
fluoride (F-): ≤0.0015%
sulfate (SO42-): ≤0.005%

cation traces

Ba: ≤0.01%
Fe: ≤0.002%
K: ≤0.01%
Mg: ≤0.01%
NH4+: ≤0.003%
Na: ≤0.01%
Sr: ≤0.1%
heavy metals: ≤0.001% (by ICP)

Quality Level

200

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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).

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.

Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000522774
0000522782
0000522782
0000522774
0000517163

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Aluminum release from microwave-assisted reaction of coal fly ash with calcium carbonate.
Zhang ZY, et al.
Fuel Processing Technology, 134, 303-309 (2015)
Calcium carbonate nanoparticles as cancer drug delivery system.
Maleki Dizaj S, et al.
Expert Opinion on Drug Delivery, 12(10) (2015)
Opposite particle size effect on amorphous calcium carbonate crystallization in water and during heating in air.
Zou Z, et al.
Chemistry of Materials, 27(12), 4237-4246 (2015)
Permeability of porous ceramic based on calcium carbonate as pore generating agent.
Sim?o L, et al.
Ceramics International, 41(3), 4782-4788 (2015)
Kanwaljit Kaur
Handbook of Water and Wastewater Analysis, 247-248 (2007)
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