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SHEET /m/americium · PubChem CID 23966 · CAS 7440-35-9 · REV 2026.07

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Americium

from source

Am · 243.06138 g/mol

What is Americium?

The synthetic element inside a smoke detector: a speck of it ionises the air, and smoke interrupting that current sets off the alarm. Element 95. from source

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Fig. 1 · 2D structure RDKit

SMILES[Am]

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.

Sources & methodology

PubChem CID
23966
Wikidata
Q1872
Structure
PubChem → RDKit
Data refreshed

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