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Perfluoro(4-ethylcyclohexane)sulfonic acid: Difference between revisions

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{{Chembox
{{Chembox
| ImageFile = PFEtCHxS.svg
| ImageFile = PFEtCHxS.svg
| IUPACName = 1,2,2,3,3,4,5,5,6,6-decafluoro-4-(pentafluoroethyl)cyclohexane-1-sulfonic acid
| IUPACName =
| OtherNames = {{Unbulleted list|Perfluoro(perfluoroethyl)cyclohexanesulfonic acid|PFEtCHxS|PFECHS}}
| OtherNames = {{Unbulleted list|Perfluoro(perfluoroethyl)cyclohexanesulfonic acid|PFEtCHxS|PFECHS}}
| Section1 = {{Chembox Identifiers
| Section1 = {{Chembox Identifiers
| CASNo = 646-83-3
| CASNo = 646-83-3
| PubChem = 101650
| PubChem = 101650
}}
| Section2 = {{Chembox Properties
| Formula = C<sub>8</sub>HF<sub>15</sub>O<sub>3</sub>S
| MolarMass = 462.13
| Appearance =
| Density =
| MeltingPt =
| BoilingPt =
| Solubility =
}}
}}
}}
}}
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== Chemical properties ==
== Chemical properties ==
PFEtCHxS has the chemical formula C<sub>8</sub>H<sub>3</sub>F<sub>13</sub>O<sub>3</sub>S. It is a colorless liquid at room temperature and has a high surface tension, making it suitable for use as a surfactant.
PFEtCHxS is a colorless liquid at room temperature and has a high surface tension, making it suitable for use as a surfactant.


The molecule contains two [[Chiral center|chiral centers]].
The molecule contains two [[Chiral center|chiral centers]].

Revision as of 06:49, 10 June 2024

Perfluoro(4-ethylcyclohexane)sulfonic acid
Names
IUPAC name
1,2,2,3,3,4,5,5,6,6-decafluoro-4-(pentafluoroethyl)cyclohexane-1-sulfonic acid
Other names
  • Perfluoro(perfluoroethyl)cyclohexanesulfonic acid
  • PFEtCHxS
  • PFECHS
Identifiers
Properties
C8HF15O3S
Molar mass 462.13
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Perfluoroethylcyclohexanesulfonic acid (PFEtCHxS) is a synthetic perfluorinated alkyl substance that has been used as a surfactant and in various industrial applications.

Chemical properties

PFEtCHxS is a colorless liquid at room temperature and has a high surface tension, making it suitable for use as a surfactant.

The molecule contains two chiral centers.

Applications

PFEtCHxS has been employed in various industrial processes, including:[1]

  • Metal plating and finishing operations
  • Semiconductor manufacturing
  • Photolithography processes

Its surfactant properties and resistance to extreme conditions make it useful in these applications.

Environmental concerns

Like other perfluorinated compounds, PFEtCHxS is highly persistent in the environment and has been detected in various environmental matrices, including water, soil and biota. There are concerns about its potential bioaccumulation and adverse effects on human health and ecosystems.[2][3]

References

  1. ^ https://www.pca.state.mn.us/sites/default/files/gp3-05.pdf
  2. ^ https://www.michigan.gov/-/media/Project/Websites/PFAS-Response/Workgroups/Human-Health/White-Paper-Physiochemical-Properties-Environmental-Contamination-Toxicity-PFECHS.pdf
  3. ^ Wang, Qi; Ruan, Yuefei; Jin, Linjie; Tao, Lily S. R.; Lai, Han; Li, Guifeng; Yeung, Leo W. Y.; Leung, Kenneth M. Y.; Lam, Paul K. S. (2023-05-23). "Legacy and Emerging Per- and Polyfluoroalkyl Substances in a Subtropical Marine Food Web: Suspect Screening, Isomer Profile, and Identification of Analytical Interference". Environmental Science & Technology. 57 (22): 8355–8364. Bibcode:2023EnST...57.8355W. doi:10.1021/acs.est.3c00374. PMC 10249352. PMID 37220884.