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295000

Argon

≥99.998%

Synonym(s):

Argon gas

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About This Item

Empirical Formula (Hill Notation):
Ar
CAS Number:
7440-37-1
Molecular Weight:
39.95
NACRES:
NA.22
PubChem Substance ID:
24857751
UNSPSC Code:
12142100
EC Number:
231-147-0
MDL number:
MFCD00003431
Assay:
≥99.998%
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vapor density

1.38 (21 °C, vs air)

Quality Segment

assay

≥99.998%

impurities

≤3 ppm oxygen, ≤3 ppm water

bp

-185.7 °C (lit.)

mp

-189.2 °C (lit.)

SMILES string

[Ar]

InChI

1S/Ar

InChI key

XKRFYHLGVUSROY-UHFFFAOYSA-N

Packaging

Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed.

Compatible with the following:
  • Aldrich® lecture-bottle station systems
  • Aldrich® lecture-bottle gas regulators

Other Notes

See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

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Pictograms

Gas cylinder
GHS04

Signal Word

Warning

Hazard Codes

H280

Precautionary Statements

P410 + P403

Hazard Classifications

Press. Gas Compr. Gas

Storage Class

2A - Gases

WGK

nwg

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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