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295000

Sigma-Aldrich

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
EC Number:
231-147-0
MDL number:
MFCD00003431
UNSPSC Code:
12142100
PubChem Substance ID:
24857751
NACRES:
NA.22

vapor density

1.38 (21 °C, vs air)

Quality Level

100

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

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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

signalword

Warning

hcodes

H280

Hazard Classifications

Press. Gas Compr. Gas

Storage Class

2A - Gases

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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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Linlin Li et al.
Small (Weinheim an der Bergstrasse, Germany), 11(20), 2429-2436 (2015-01-22)
Herein, the controlled synthesis of 3D hierarchical films on carbon cloth (CC) in a high yield through a hydrothermal process and their high photocatalytic properties are reported. As representative examples, the obtained ZnIn2 S4 /CdIn2 S4 composites are composed of
Andrew Riddell et al.
Methods (San Diego, Calif.), 82, 64-73 (2015-03-10)
Sorting performance can be evaluated with regard to Purity, Yield and/or Recovery of the sorted fraction. Purity is a check on the quality of the sample and the sort decisions made by the instrument. Recovery and Yield definitions vary with
Paul R Renne et al.
Science (New York, N.Y.), 339(6120), 684-687 (2013-02-09)
Mass extinctions manifest in Earth's geologic record were turning points in biotic evolution. We present (40)Ar/(39)Ar data that establish synchrony between the Cretaceous-Paleogene boundary and associated mass extinctions with the Chicxulub bolide impact to within 32,000 years. Perturbation of the
Yonas Beyene et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(5), 1584-1591 (2013-01-30)
The Acheulean technological tradition, characterized by a large (>10 cm) flake-based component, represents a significant technological advance over the Oldowan. Although stone tool assemblages attributed to the Acheulean have been reported from as early as circa 1.6-1.75 Ma, the characteristics
Kenta Mizuse et al.
The journal of physical chemistry. A, 117(5), 929-938 (2013-01-22)
We present infrared spectra of nominal water cluster radical cations (H(2)O)(n)(+) (n = 3-8), or to be precise, ion-radical complexes H(+)(H(2)O)(n-1)(OH), with and without an Ar tag. These clusters are closely related to the ionizing radiation-induced processes in water and
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