SHEET /m/barium · PubChem CID 5355457 · CAS 7440-39-3 · REV 2026.07
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Barium
from sourceBa · 137.33 g/mol
What is Barium?
The metal whose sulfate you swallow before an X-ray, because it is opaque to X-rays and passes straight through you. Element 56. from source
CategoryElement & material
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Fig. 1 · 2D structure RDKit
SMILES
[Ba]Where you'll find it
A pure element or an engineered material, rather than an ingredient in a product. See the rest of the element & material group.
Toxicity & hazards
DangerFlammableCorrosiveToxicIrritantHealth hazardH228, H260, H261, H301, H314, H315, H318, H319, H335, H370, H372from source