243353
Barium sulfate
ReagentPlus®, 99%
Synonym(s):
Baryte
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About This Item
Linear Formula:
BaSO4
CAS Number:
Molecular Weight:
233.39
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352106
EC Number:
231-784-4
MDL number:
Assay:
99%
Form:
powder
InChI key
TZCXTZWJZNENPQ-UHFFFAOYSA-L
InChI
1S/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
SMILES string
[Ba++].[O-]S([O-])(=O)=O
product line
ReagentPlus®
assay
99%
form
powder
pH
7
Quality Level
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General description
Barium sulphate is widely employed as an inorganic filler. Its crystals belong to the rhombic crystal system. The rhombic crystals transforms to monoclinic form at 1148°C and eventually it decomposes to barium oxide, sulfur dioxide and oxygen at temperatures above 1400°C.
Application
Barium sulfate may be used in the following studies:
- Qualitative and quantitative analysis of Ba2+ and SO4-2 ions.
- Preparation of sulfur dioxide.
- Preparation of hybrid organic-inorganic material.
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
13 - Non Combustible Solids
wgk
nwg
flash_point_f
does not flash
flash_point_c
does not flash
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Improved method for the preparation of sulfur dioxide from barium sulfate for isotope ratio studies.
Bailey SA and Smith JW.
Analytical Chemistry, 44(8), 1542-1543 (1972)
Ionic liquid-functionalized crystals of barium sulfate: A hybrid organic-inorganic material with tuned hydrophilicity and solid-liquid behavior.
Kowacz M, et al.
Materials Chemistry and Physics, 160, 308-314 (2015)
Christof M Sommer et al.
Investigative radiology, 48(4), 213-222 (2013-02-13)
The objective of this study was to test multimodal visibility (radiography, computed tomography [CT], and magnetic resonance imaging [MRI]) of microspheres for transarterial embolization in porcine kidneys. Currently available embolization particles (microspheres) were modified. A dense x-ray material (barium sulfate)
Bryan A Killingsworth et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(44), 17686-17690 (2013-02-07)
The ~635 Ma Marinoan glaciation is marked by dramatic Earth system perturbations. Deposition of nonmass-dependently (17)O-depleted sulfate (SO4(2-)) in worldwide postglacial sediments is, thus far, unique to this glaciation. It is proposed that an extremely high-pCO2 atmosphere can result in
Gregory S Cooper et al.
Cancer, 119(10), 1800-1807 (2013-02-26)
Professional society guidelines recommend follow-up colonoscopy for patients with resected colonic adenomas. However, adherence to guideline recommendations in routine clinical practice has not been well characterized. The authors used a population-based sample of Medicare beneficiaries to identify all patients aged
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