Barium sulfate

Chemical formula: BaO₄S  Molecular mass: 233.39 g/mol  PubChem compound: 24414

Active ingredient description

Barium sulfate is inert and has no pharmacological action. It serves only as a radiopaque substance to opacify the gastro-intestinal tract during X-ray examinations.

Medicine classification

This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:

ATC code Group title Classification
V08BA Barium sulfate containing X-ray contrast media V Various → V08 Contrast media → V08B X-ray contrast media, non-iodinated
Discover more medicines within V08BA

Product monographs

Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):

Title Information Source Document Type  
POLIBAR Powder for rectal suspension Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC
E-Z-CAT Oral suspension Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC

Structural formula

Graphic representation of the active ingredient's molecular structure

External identifiers

CAS Substance: 7727-43-7
DrugBank Drug: DB11150
PubChem Compound: 24414
RxNorm Ingredient: 1331
SNOMED-CT Concept: 353934005
Barium sulfate (substance)
SNOMED-CT Concept: 396014007
Barium sulfate (substance)
UNII Identifier: 25BB7EKE2E


Barium sulfate is an active ingredient of these brands:

Brazil (BR)

Ecuador (EC)

France (FR)

Hong Kong (HK)

Ireland (IE)

Israel (IL)

Malta (MT)

Spain (ES)

Tunisia (TN)

Turkey (TR)

United Kingdom (UK)

Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide.

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