Merck
All Photos(1)

00488

Sigma-Aldrich

Helium

≥99.999%

Empirical Formula (Hill Notation):
He
CAS Number:
Molecular Weight:
4.00
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

0.14 (vs air)

assay

≥99.999%

bp

-268.934 °C (lit.)
−268.9 °C (lit.)

mp

-272.2 °C (lit.)

SMILES string

[He]

InChI

1S/He

InChI key

SWQJXJOGLNCZEY-UHFFFAOYSA-N

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Packaging

Pressure tin
Filling pressure at 15°C: 11 Bar; content 15°C, 1 bar): 11 l

Other Notes

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Certificate of Analysis

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Certificate of Origin

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