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768952

Sigma-Aldrich

Argon

Messer® CANGas, 99.999%

Synonym(s):

Argon gas

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About This Item

Empirical Formula (Hill Notation):
Ar
CAS Number:
Molecular Weight:
39.95
EC Number:
MDL number:
UNSPSC Code:
12142004
PubChem Substance ID:
NACRES:
NA.22

vapor density

1.38 (21 °C, vs air)

Quality Level

description

Filling mass: 20g
Filling volume: 12L

Assay

99.999%

form

gas

bp

-185.7 °C (lit.)

mp

-189.2 °C (lit.)

SMILES string

[Ar]

InChI

1S/Ar

InChI key

XKRFYHLGVUSROY-UHFFFAOYSA-N

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Application

Argon is a rare gas that is colourless, odourless, and heavier than air. Applications for argon include use as a shielding gas for special welding problems and sensitive materials (titanium, niobium, tungsten, etc.), use as a filling gas for windows and lamps, use in spark erosion spectrometry and plasma processes. 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

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Pictograms

Gas cylinder

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Press. Gas Compr. Gas

Storage Class Code

2A - Gases

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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