Calcium carbonate

Name: Calcium carbonate
Brand: SIAL

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%

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

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 (SO₄^2-): ≤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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Related Categories

Caustic Alkalis & Bases

Lab Chemicals

Salts

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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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)

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)

Calcium carbonate nanoparticles as cancer drug delivery system.

Maleki Dizaj S, et al.

Expert Opinion on Drug Delivery, 12(10) (2015)

Aluminum release from microwave-assisted reaction of coal fly ash with calcium carbonate.

Zhang ZY, et al.

Fuel Processing Technology, 134, 303-309 (2015)

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