helium

MediLexicon helium - Medical Dictionary Definition for Term 'helium'

[1. A gaseous element present in minute amounts in the atmosphere (0.000524% of dry volume); atomic no. 2, atomic wt. 4.002602; used as a diluent of medicinal gases; used as a diluent of oxygen principally in nonmedical applications, and in its liquid form as the coolant for super-conducting magnets (as in magnetic resonance imaging).

Molecular Formula: He


InChI: InChI=1/He/i1-1

InChIKey: InChIKey=SWQJXJOGLNCZEY-BJUDXGSMER
SMILES: [3He]

CAS number 14762-55-1

Names:
    CHEBI:30218
    Helium, isotope of mass 3
    helium
    helium, isotope of mass 3
    Helium-3
    helium-3
    (3He)helium
    (3)He
    (3)2He
    14762-55-1
    3He
    32He

Registries:
    PubChem CID 6857639
    CAS 14762-55-1 (from NIST)
    ChEBI 30218
    Gmelin 14208
    PubChem ID 11534057