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237108
Barium carbonate
ACS reagent, ≥99%
Synonym(s):
Witherite
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500 G
$194.00
2.5 KG
$758.00
About This Item
Linear Formula:
BaCO3
CAS Number:
Molecular Weight:
197.34
Beilstein/REAXYS Number:
7045119
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21
assay:
≥99%
99.0-101.0% (ACS specification)
99.0-101.0% (ACS specification)
grade:
ACS reagent
form:
powder or chunks
Recommended Products
grade
ACS reagent
Quality Level
assay
≥99%
99.0-101.0% (ACS specification)
form
powder or chunks
impurities
≤0.002 meq/g water-soluble titr. base
≤0.005% oxidizers
≤0.015% insol. dil. HCl
pH
6.8 (37 °C, 3.67 g/L)
anion traces
S2-: ≤0.001%
chloride (Cl-): ≤0.002%
cation traces
Ca: ≤0.05%
Fe: ≤0.002%
K: ≤0.005%
Na: ≤0.02%
Sr: ≤0.7%
heavy metals (as Pb): ≤0.001%
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 (BaCO3) is an important alkaline-earth metal material in the production of barium salts, barium ferrite, pigments, ceramics, optical glass, and electric condensers. Additionally, it serves as a precursor to produce superconductors and ceramic materials.
Application
Barium carbonate is used:
- In the preparation of barium titanate using a mixture of BaCO3 and titania (TiO2) by solid-state reaction.
- As an additive in the preparation of NBC (neodymium – barium –copper) ceramics.
signalword
Warning
hcodes
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
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