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Sulfur hexafluoride


Linear Formula:
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:

vapor density

5.11 (vs air)

Quality Level

vapor pressure

22 mmHg ( 21.1 °C)




−64 °C/1 mmHg (lit.)


−50 °C (lit.)

SMILES string




InChI key


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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.


227 g in steel cylinder

Recommended products

Brass control valve Z146943 or either of brass regulators Z146706 and Z146714 is recommended.

Certificate of Analysis

Certificate of Origin

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
Sulfur hexafluoride?A powerful new atmospheric tracer
Maiss M, et al.
Atmospheric Environment, 30(10-11), 1621-1629 (1996)
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)
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
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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