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202711

Sigma-Aldrich

Barium carbonate

99.999% trace metals basis

Synonym(s):

Barium monocarbonate, Witherite

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About This Item

Linear Formula:
BaCO3
CAS Number:
513-77-9
Molecular Weight:
197.34
Beilstein:
7045119
EC Number:
208-167-3
MDL number:
MFCD00003448
UNSPSC Code:
12352302
eCl@ss:
38020211
PubChem Substance ID:
24852112
NACRES:
NA.23

Assay

99.999% trace metals basis

form

powder and chunks

impurities

≤15.0 ppm Trace Metal Analysis

SMILES string

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

InChI

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

InChI key

AYJRCSIUFZENHW-UHFFFAOYSA-L

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General description

Barium carbonate is an inorganic compound that is poorly soluble in water. It is used in various industrial applications, particularly in the ceramics industry, where it is used in glazes and as a fluxing agent. It is also used in the manufacture of electronic ceramics, capacitors, PTC thermistors, and other electronic components.

Application

Barium carbonate can be used:    
  • A precursor for the preparation of BaTiO3 nanoparticles, a dielectric material which is useful for manufacturing multilayer ceramic capacitors.
  • A precursor for the synthesis of barium titanate thin films, which finds applications in photovoltaic devices.

Barium carbonate can also be used in following applications:
  • BaCO3 nanoparticles have been reported as catalysts for high-temperature oxygen reduction reactions (ORR) in solid oxide fuel cells (SOFCs).      
  • Barium carbonate-based nanomaterials have been employed for sensor and catalysis applications, with improved sensing performance using one-dimensional nanostructures.    
  • BaCO3 is used to make barium titanate for Multi-layer ceramic capacitor and composite oxides, as well as for PTC thermistors. It′s also used to make optical glass, sputter glass for semiconductors, and as a component of phosphor materials.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKBZ0122V
MKBX5078V
MKBW9978V
MKBS9574V
MKBT5001V

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A modified method for barium titanate nanoparticles synthesis
Ashiri R, et al.
Mat. Res. Bul., 46, 2291?2295-2291?2295 (2011)
Jian-Hua Zhu et al.
Chemical communications (Cambridge, England), (9)(9), 1106-1108 (2009-02-20)
A facile biomimetic method is reported for the synthesis of novel BaCO(3) nanofibres with double-stranded and cylindrical helical morphologies via a phosphonated block co-polymer-controlled mineralization process.
G H Kramer et al.
Health physics, 70(3), 418-424 (1996-03-01)
High level contamination was observed on two workers during a routine hand check of personnel leaving a laboratory where barium carbonate labeled with 14C was handled. A third worker was found to have been exposed to airborne 14C (carbonate) aerosol
Ashutosh Dash et al.
Journal of hazardous materials, 168(2-3), 1126-1133 (2009-04-03)
An attempt to recover and purify 4.66 TBq(126Ci) of (137)Cs as solution from a 20-year-old doubly encapsulated sealed source containing (137)CsCl was made successfully. The primary capsule was first cut open to retrieve the secondary capsule. The top end of
Xiaorang Tian et al.
Journal of hazardous materials, 160(2-3), 589-593 (2008-04-25)
In this study, the exploration of making acidproof fracturing proppants using red mud was carried out. The main raw materials are red mud and the refractory waste. During the exploration, three methods were explored to enhance the acid resistance of
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