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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/REAXYS Number:
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

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Certificates of Analysis (COA)

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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)
D Ekeberg et al.
Carbohydrate research, 335(2), 141-146 (2001-09-25)
A simple, but low-yielding method for the synthesis of 3-hexuloses has been elaborated. Oxidation of 1,2:5,6-di-O-isopropylidenehexitols with bromine in the presence of barium carbonate, followed by mild-acid hydrolysis of the oxidation products gave the free hexuloses. Oxidation occurred at only
Kevin V Brix et al.
Ecotoxicology and environmental safety, 73(7), 1646-1652 (2010-07-14)
A series of Toxicity Identification Evaluations (TIEs) to identify the cause(s) of observed toxicity to Ceriodaphnia dubia have been conducted on a hard rock mining effluent. Characteristic of hard rock mining discharges, the effluent has elevated (∼3000 mg l(-1)) total
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.
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
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