SHEET /m/iridium · PubChem CID 23924 · CAS 7439-88-5 · REV 2026.07
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Iridium
from sourceIr · 192.22 g/mol
What is Iridium?
One of the densest elements there is, and the layer of it in 66-million-year-old rock that first suggested an asteroid killed the dinosaurs. Element 77. from source
CategoryElement & material
LeaderboardsBiggest
Fig. 1 · 2D structure RDKit
SMILES
[Ir]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
DangerFlammableIrritantH228, H319, H413from source