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Substance Name: Actinium
RN: 7440-34-8
UNII: NIK1K0956U
InChIKey: QQINRWTZWGJFDB-UHFFFAOYSA-N

Note

  • A trivalent radioactive element and the prototypical member of the actinide family. It has the atomic symbol Ac, and atomic number 89. Its principal isotope is 227 and it decays primarily by beta-emission.

Molecular Formula

  • Ac

Molecular Weight

  • 227.03
 
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Names and Synonyms

Name of Substance

  • Actinium

MeSH Heading

  • Actinium

Synonyms

  • Actinium, radioactive
  • HSDB 7411
  • Radioactive Actinium
  • UNII-NIK1K0956U

Systematic Name

  • Actinium

Registry Numbers

CAS Registry Number

  • 7440-34-8

FDA UNII

  • NIK1K0956U

System Generated Number

  • 0007440348

Structure Descriptors

InChI

1S/Ac

InChIKey

QQINRWTZWGJFDB-UHFFFAOYSA-N

Smiles

[Ac]