CAS Registry Number®
7440-59-7
CAS Name
Helium
Molecular Formula
He
Molecular Mass
4.00
Compound Properties
-
Boiling Point (1)
-268.9 °C
-
Melting Point (0)
-272.2 °C
-
Density (0)
1.625 x 10⁻⁴ g/cm³ (gas)
Source(s)
- (1) Nguyen, Duc Ba; Plasma Science & Technology (Bristol, United Kingdom), (2019), 21(9), 095401, CAplus
Other Names and Identifiers
InChI
InChI=1S/He
InChIKey
InChIKey=SWQJXJOGLNCZEY-UHFFFAOYSA-N
Canonical SMILES
[He]
Other Names for this Substance
- Helium
- Helium-4
- o-Helium
- p-Helium
- Atomic helium
Deleted or Replaced CAS Registry Numbers
494798-31-1, 1312815-28-3
