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295701

Sigma-Aldrich

Sulfur hexafluoride

≥99.75%

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About This Item

Linear Formula:
SF6
CAS Number:
Molecular Weight:
146.06
EC Number:
MDL number:
UNSPSC Code:
51442006
PubChem Substance ID:

vapor density

5.11 (vs air)

vapor pressure

22 mmHg ( 21.1 °C)

Assay

≥99.75%

bp

−64 °C/1 mmHg (lit.)

mp

−50 °C (lit.)

SMILES string

FS(F)(F)(F)(F)F

InChI

1S/F6S/c1-7(2,3,4,5)6

InChI key

SFZCNBIFKDRMGX-UHFFFAOYSA-N

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General description

Sulfur hexafluoride is a stable gas with higher dielectric strength and density than air. It acts as an insulator in high-voltage circuit breakers as it shows high arc-quenching ability.

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

Legal Information

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

hose barb

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purge valve

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Pictograms

Gas cylinder

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Press. Gas Liquefied 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

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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Sulfur hexafluoride?A powerful new atmospheric tracer
Maiss M, et al.
Atmospheric Environment, 30(10-11), 1621-1629 (1996)
Alistair Millen et al.
Journal of vascular surgery, 58(1), 18-23 (2013-03-16)
Endovascular aneurysm repair (EVAR) surveillance includes duplex ultrasound, abdominal radiography, and computed tomography angiography. Contrast-enhanced ultrasound (CEUS) has emerged as an additional modality whose role remains undefined. We evaluated whether a potential role for CEUS was the elucidation of unresolved
Chris S M Turney et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(8), 3996-4006 (2020-02-13)
The future response of the Antarctic ice sheet to rising temperatures remains highly uncertain. A useful period for assessing the sensitivity of Antarctica to warming is the Last Interglacial (LIG) (129 to 116 ky), which experienced warmer polar temperatures and
Metal-free reduction of the greenhouse gas sulfur hexafluoride, formation of SF 5 containing ion pairs and the application in fluorinations
Rueping M, et al.
Green Chemistry, 19, 2571-2575 (2017)
Jennifer S Pierce et al.
Regulatory toxicology and pharmacology : RTP, 81, 20-32 (2016-10-30)
Formaldehyde emissions from two laminate flooring products, labeled as California Air Resources Board (CARB) compliant, were evaluated. Passive 24-hr samples (n = 79) and real-time measurements were collected following installation and removal of the products in two rooms of similar size. Mean

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