768995
Helium
Messer® CANGas, 99.999%
Synonym(s):
Helium gas
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About This Item
Empirical Formula (Hill Notation):
He
CAS Number:
Molecular Weight:
4.00
EC Number:
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.22
vapor density
0.14 (vs air)
Quality Level
description
Filling mass: 2g
Filling volume: 12L
Assay
99.999%
form
gas
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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Application
Helium is a colourless and odourless rare gas that is much lighter than air. Application areas include leak detection, aeronautics, metallurgy, laser welding and technology, and meteorology (weather balloons). Helium is also used as a shielding gas, reactor cooling gas, carrier gas for gas chromatography, and cooling gas for production of optical fibres. It is also a filling gas for air bags and is a component of diving mixtures. Gas is easy to handle in a small, light pressure can, while the disposable container allows for aluminium recycling when finished.
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Legal Information
Messer is a registered trademark of Messer Group GmbH
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Press. Gas Compr. Gas
Storage Class Code
2A - Gases
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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