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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
Pricing and availability is not currently available.

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

Signal Word

Warning

Hazard Statements

H280

Precautionary Statements

P410 + P403

Hazard Classifications

Press. Gas Compr. Gas

Storage Class Code

2A - Gases

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ8224
MKCR8145
MKCQ0015
MKCL6856
MKCL1202

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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
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
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
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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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