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Merck

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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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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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).

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

398101-VAR: + 398101-1KG: + 398101-100G: + 398101-500G: + 398101-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
0000536616
0000536627
0000536612
0000536627
0000536612

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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)
Calcium carbonate nanoparticles as cancer drug delivery system.
Maleki Dizaj S, et al.
Expert Opinion on Drug Delivery, 12(10) (2015)
Eagleson M.
Concise Encyclopedia Chemistry, 162-162 (1994)
Denis Gebauer et al.
Nanoscale, 3(9), 3563-3566 (2011-08-19)
Nanocellulose hybrids are promising candidates for biodegradable multifunctional materials. Hybrids of nanocrystalline cellulose (NCC) and amorphous calcium carbonate (ACC) nanoparticles were obtained through a facile chemical approach over a wide range of compositions. Controlling the interactions between NCC and ACC
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