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Substance Name: Radium
RN: 7440-14-4
UNII: W90AYD6R3Q
InChIKey: HCWPIIXVSYCSAN-UHFFFAOYSA-N

Note

  • A radioactive element of the alkaline earth series of metals. It has the atomic symbol Ra and atomic number 88. Radium is the product of the disintegration of URANIUM and is present in pitchblende and all ores containing uranium. It is used clinically as a source of beta and gamma-rays in radiotherapy, particularly BRACHYTHERAPY.

Molecular Formula

  • Ra

Molecular Weight

  • 226.03
 

Classification Codes

  • 2007 CERCLA Priority List, Rank: 100
  • 2011 CERCLA Priority List, Rank: 100
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Names and Synonyms

Name of Substance

  • Radium

MeSH Heading

  • Radium

Synonyms

  • Actinium-X
  • EINECS 231-122-4
  • HSDB 2146
  • Radium
  • Thorium-X
  • UNII-W90AYD6R3Q

Systematic Name

  • Radium

Superlist Name

  • Radium

Registry Numbers

CAS Registry Number

  • 7440-14-4

FDA UNII

  • W90AYD6R3Q

System Generated Number

  • 0007440144

Structure Descriptors

InChI

1S/Ra

InChIKey

HCWPIIXVSYCSAN-UHFFFAOYSA-N

Smiles

[Ra]