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398101

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%

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Properties

grade

ACS reagent

Quality Level

200

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)

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

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.

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).

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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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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)

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)

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Global Trade Item Number

SKU	GTIN
398101-100G	04061837769115
398101-1KG	04061832564678
398101-500G	04061831984002