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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.
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