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Substance Name: Argon, Elemental
RN: 7440-37-1
UNII: 67XQY1V3KH
InChIKey: XKRFYHLGVUSROY-UHFFFAOYSA-N

Note

  • A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used.

Molecular Formula

  • Ar

Molecular Weight

  • 39.948
 

Classification Code

  • Simple Asphyxiant
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Names and Synonyms

Name of Substance

  • Argon
  • Argon, Elemental

MeSH Heading

  • Argon

Synonyms

  • Argon
  • Argon-40
  • EINECS 231-147-0
  • HSDB 7902
  • UNII-67XQY1V3KH

Systematic Name

  • Argon

Superlist Names

  • Argon
  • Argon, compressed
  • Argon, compressed [UN1006] [Nonflammable gas]
  • Argon, refrigerated liquid (cryogenic liquid)
  • Argon, refrigerated liquid (cryogenic liquid) [UN1951] [Nonflammable gas]
  • UN1006
  • UN1951

Registry Numbers

CAS Registry Number

  • 7440-37-1

FDA UNII

  • 67XQY1V3KH

Other Registry Numbers

  • 13473-05-7
  • 137736-93-7
  • 239084-98-1
  • 24494-51-7
  • 245503-61-1
  • 50938-66-4
  • 75714-55-5

System Generated Number

  • 0007440371

Structure Descriptors

InChI

InChI=1S/Ar

InChIKey

XKRFYHLGVUSROY-UHFFFAOYSA-N

Smiles

[Ar]