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Safety Information

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:
7727-43-7
Molecular Weight:
233.39
EC Number:
231-784-4
MDL number:
MFCD00003455
UNSPSC Code:
12352302
PubChem Substance ID:
24852116
NACRES:
NA.22

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

202762-BULK:
202762-VAR:
202762-20G:
202762-100G:

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Certificates of Analysis (COA)

Lot/Batch Number
MKBZ0586V
MKBP8824V
MKBL2384V
MKBF0535V
MKBB8438

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Barium sulphate catalyzed dehydration of lactic acid to acrylic acid.
Peng J, et al.
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