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Product
Liquid helium
Abbreviation
LHe
Insight Articles
#PS792
helium lhe liquidhelium
Main Product
Helium
Segment
Chemicals
Main-Family
Industrial Gases
Sub-Family
Noble Gases
Physical State

Gas

Description

Liquid helium (LHe) is supplied in cryogenic dewars (small volumes, typically 30–500 L) or cryogenic tankers (bulk supply). Required for superconducting magnet cooling (MRI, NMR, particle accelerators) and other deep cryogenic applications below ~20 K. LHe-4 boils at 4.222 K (−268.9°C) at 1 atm.

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Products Picture
Liquid helium container | Source: westair https://westairgases.com/blog/liquid-helium-applications/
Identifiers
logo CAS Number
7440-59-7
logo EC Number
231-168-5
logo ECHA InfoCard
100.028.334
logo IUPAC Name
Helium
logo PubChem ID
23987
Chemical Data
Chemical Formula

He

Molecular Weight (g/mol)
4.0026
Boiling Point (°C)
-268.93
Melting Point (°C)
-272.2
Sulfur Content (wt%)
0
Specific Gravity
0.14
Crude Data
API Gravity
879.21
Country
Product Settings
Default
Status
A
Content provided by
Transaction Name Date
Modified by UserPic   Kokel, Nicolas 3/15/2026 4:18 PM
Added by UserPic   Kokel, Nicolas 3/15/2026 3:57 PM