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Key Documents

202762

Sigma-Aldrich

Barium sulfate

99.99% trace metals basis

Synonym(s):

Baryte

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About This Item

Linear Formula:
BaSO4
CAS Number:
Molecular Weight:
233.39
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

99.99% trace metals basis

form

powder

SMILES string

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

InChI

1S/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2

InChI key

TZCXTZWJZNENPQ-UHFFFAOYSA-L

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General description

Barium sulfate is an insoluble salt commonly used in X-ray imaging as a contrast agent.

Application

Barium sulfate may be used as a catalyst for the conversion of lactic acid to acrylic acid via dehydration.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Barium sulphate catalyzed dehydration of lactic acid to acrylic acid.
Peng J, et al.
Green Chemistry, 16(1), 108-111 (2014)
Recent advances in the preparation of barium sulfate nanoparticles: a mini-review
Tlek K et al.
Chemical Engineering Journal, 6, 30-30 (2022)
George X Huang et al.
Tissue engineering. Part A, 21(15-16), 2228-2240 (2015-04-30)
Polymeric scaffolds, which release growth factors in a temporally controlled manner, have successfully directed the differentiation of stem cells into monolithic tissues of a single lineage. However, engineering precise boundaries in multilineage functional tissues, such as the juxtaposed cartilaginous and
Steve Halligan et al.
Lancet (London, England), 381(9873), 1185-1193 (2013-02-19)
Barium enema (BE) is widely available for diagnosis of colorectal cancer despite concerns about its accuracy and acceptability. Computed tomographic colonography (CTC) might be a more sensitive and acceptable alternative. We aimed to compare CTC and BE for diagnosis of
Nam P Nguyen et al.
PloS one, 8(3), e56290-e56290 (2013-03-19)
The study aims to assess the feasibility of Tomotherapy-based image-guided radiotherapy (IGRT) to reduce the aspiration risk in patients with non-laryngeal and non-hypopharyngeal cancer. A retrospective review of 48 patients undergoing radiation for non-laryngeal and non-hypopharyngeal head and neck cancers

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