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Substance Name: Radon
RN: 10043-92-2
UNII: Q74S4N8N1G
InChIKey: SYUHGPGVQRZVTB-UHFFFAOYSA-N

Note

  • A naturally radioactive element with atomic symbol Rn, atomic number 86, and atomic weight 222. It is a member of the noble gas family found in soil, and is released during the decay of radium.

Molecular Formula

  • Rn

Molecular Weight

  • 222.02
 

Classification Codes

Classification Codes

  • Air Pollutants
  • Air Pollutants, Radioactive
  • Carcinogens
  • Carcinogens, Environmental
  • Environmental Pollutants
  • Noxae
  • Radioactive Pollutants
  • Tumor Data

Superlist Classification Codes

  • 2007 CERCLA Priority List, Rank: 105
  • 2011 CERCLA Priority List, Rank: 105
  • Known to be a Carcinogen
  • Overall Carcinogenic Evaluation: Group 1

Names and Synonyms

Name of Substance

  • Radon

MeSH Heading

  • Radon

Synonyms

  • Alphatron
  • EINECS 233-146-0
  • HSDB 6369
  • Niton /(222)Radon
  • Niton /Radon-222/
  • Radium emanation
  • Radon
  • Radon, radioactive
  • Radon-222
  • UNII-Q74S4N8N1G

Systematic Name

  • Radon

Superlist Names

  • Alphatron
  • Niton
  • Radium emanation
  • Radon

Registry Numbers

CAS Registry Number

  • 10043-92-2

FDA UNII

  • Q74S4N8N1G

System Generated Number

  • 0010043922

Structure Descriptors

InChI

1S/Rn

InChIKey

SYUHGPGVQRZVTB-UHFFFAOYSA-N

Smiles

[Rn]