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Aliphatic and alicyclic building blocks

Perfluoro-4-ethylcyclohexane

Also known as Pfechs, 1,2,2,3,3,4,5,5,6,6-decafluoro-4-(1,1,2,2,2-pentafluoroethyl)cyclohexane-1-sulfonic Acid, PFEtCHxS

CAS 646-83-3Formula C8HF15O3SMolar mass 462.13 g/mol
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Perfluoro-4-ethylcyclohexane chemical structure, C8HF15O3S, CAS 646-83-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
646-83-3
Formula
C8HF15O3S
Molar mass
462.13 g/mol
HS code
290410
Category
Aliphatic and alicyclic building blocks

What is Perfluoro-4-ethylcyclohexane?

Plain description, key identifiers and synonyms

Perfluoro-4-ethylcyclohexane is a chemical substance with the molecular formula C8HF15O3S and a molar mass of 462.13 g/mol. Its CAS registry number is 646-83-3. The IUPAC name is 1,2,2,3,3,4,5,5,6,6-decafluoro-4-(1,1,2,2,2-pentafluoroethyl)cyclohexane-1-sulfonic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,2,2,3,3,4,5,5,6,6-decafluoro-4-(1,1,2,2,2-pentafluoroethyl)cyclohexane-1-sulfonic acid
CAS number
646-83-3 CAS number cross-checked
Molecular formula
C8HF15O3S
InChIKey
ICKAEAFPESRWOT-UHFFFAOYSA-N
InChI
InChI=1S/C8HF15O3S/c9-1(4(14,15)8(21,22)23)2(10,11)5(16,17)7(20,27(24,25)26)6(18,19)3(1,12)13/h(H,24,25,26)
SMILES (canonical and isomeric)
C1(C(C(C(C(C1(F)F)(F)F)(F)S(=O)(=O)O)(F)F)(F)F)(C(C(F)(F)F)(F)F)F

Synonyms

  • Pfechs
  • 1,2,2,3,3,4,5,5,6,6-decafluoro-4-(1,1,2,2,2-pentafluoroethyl)cyclohexane-1-sulfonic Acid
  • PFEtCHxS
  • Perfluoro-p-ethylcyclohexylsulfonic acid
  • Perfluoroethylcyclohexane sulfonate
  • Perfluoro-4-ethylcyclohexane sulfonic acid
  • 1,2,2,3,3,4,5,5,6,6-Decafluoro-4-(pentafluoroethyl)cyclohexane-1-sulfonic acid
  • Cyclohexanesulfonicacid, 1,2,2,3,3,4,5,5,6,6-decafluoro-4-(1,1,2,2,2-pentafluoroethyl)-
  • Cyclic perfluoroalkane sulfonate
  • perfluoro ethyl cyclohexane sulfonate
  • perfluoro-4-ethylcyclohexane sulfonate
  • Perfluoro(perfluoroethyl)cyclohexanesulfonic acid
  • Perfluoro-4-(perfluoroethyl)cyclohexylsulfonic acid
  • 1,2,2,3,3,4,5,5,6,6-decafluoro-4-(perfluoroethyl)cyclohexane-1-sulfonic acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
462.13 g/molcalc.
Exact mass
461.9407 Dacalc.
LogP (octanol/water)
4calc.
Topological polar surface area
54.37 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
27calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CCCCC1

C1CCCCC1

1 ring, 6 atoms, the Cyclohexane ring system.

24,737 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Perfluoro-4-ethylcyclohexane suppliers

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Perfluoro-4-ethylcyclohexane price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Use classes: Pfas.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Perfluoro-4-ethylcyclohexane is traded under.

HS 2904.10Indicative HS code

Derivatives containing only sulpho groups, their salts and ethyl esters

World exports in 2024
$447M
−5.5% vs 2023, imports $498M
2019 to 2024
Top exporters
  1. Germany21.1%
  2. China15.2%
  3. United States11.5%
Top importers
  1. United States8.5%
  2. China8.4%
  3. Sweden6.8%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Perfluoro-4-ethylcyclohexane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Perfluoro-4-ethylcyclohexane, based on the data on this page

What is Perfluoro-4-ethylcyclohexane?

Perfluoro-4-ethylcyclohexane is a chemical substance with the molecular formula C8HF15O3S and a molar mass of 462.13 g/mol. Its CAS registry number is 646-83-3. The IUPAC name is 1,2,2,3,3,4,5,5,6,6-decafluoro-4-(1,1,2,2,2-pentafluoroethyl)cyclohexane-1-sulfonic acid.

What is the CAS number of Perfluoro-4-ethylcyclohexane?

The CAS registry number of Perfluoro-4-ethylcyclohexane is 646-83-3.

What is the molecular formula and weight of Perfluoro-4-ethylcyclohexane?

The molecular formula of Perfluoro-4-ethylcyclohexane is C8HF15O3S and its molar mass is 462.13 g/mol.

What is Perfluoro-4-ethylcyclohexane used for?

Use classes: Pfas.

Is Perfluoro-4-ethylcyclohexane hazardous?

No GHS hazard classification for Perfluoro-4-ethylcyclohexane is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Perfluoro-4-ethylcyclohexane?

Perfluoro-4-ethylcyclohexane is usually classified under HS code 290410 (Derivatives containing only sulpho groups, their salts and ethyl esters). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Perfluoro-4-ethylcyclohexane?

Post a free request on CompoundList and suppliers of Perfluoro-4-ethylcyclohexane will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Perfluoro-4-ethylcyclohexane?

Suppliers quote Perfluoro-4-ethylcyclohexane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Perfluoro-4-ethylcyclohexane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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