Potassium-40

CAS Registry Number®

13966-00-2

CAS Name

Potassium-40

Molecular Formula

K

Molecular Mass

39.96

Cite this Page

Potassium-40.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=13966-00-2 (retrieved 2025-07-10) (CAS RN: 13966-00-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/K/i1+1

InChIKey

InChIKey=ZLMJMSJWJFRBEC-OUBTZVSYSA-N

SMILES

[40K]

Canonical SMILES

[K]

Other Names for this Substance

  • Potassium, isotope of mass 40
  • Potassium-40

CAS INSIGHTSTM
Aspergillus fungus, computer illustration. This is a toxic fungus that causes diseases in humans.