Perfluorodecanesulfonic acid

Perfluorodecanesulfonic acid

Names
Preferred IUPAC name 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Henicosafluoro-1-decanesulfonic acid
Other names Henicosafluorodecanesulfonic acid, PFDS [1]
Identifiers
CAS Number	335-77-3  Y
3D model (JSmol)	Interactive image
ChemSpider	60955
ECHA InfoCard	100.005.820
EC Number	206-401-9
PubChem CID	67636
UNII	HAI638LYMV
CompTox Dashboard (EPA)	DTXSID3040148
InChI InChI=1S/C10HF21O3S/c11-1(12,3(15,16)5(19,20)7(23,24)9(27,28)29)2(13,14)4(17,18)6(21,22)8(25,26)10(30,31)35(32,33)34/h(H,32,33,34) Key: HYWZIAVPBSTISZ-UHFFFAOYSA-N
SMILES C(C(C(C(C(C(F)(F)S(=O)(=O)O)(F)F)(F)F)(F)F)(F)F)(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F
Properties
Chemical formula	C10HF21O3S
Molar mass	600.14 g·mol−1
Appearance	black solid
Density	1.8 g/cm3
Boiling point	224–255 [2]  °C (435–491 °F; 497–528 K)
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Perfluorodecanesulfonic acid is a chemical compound from the group of perfluorosulfonic acids within the per- and polyfluorinated alkyl compounds (PFAS). ^{[3] [4]} The chemical formula is C₁₀F₂₁SO₃H. Perfluorodecanesulfonic acid is a persistent organic pollutant, known for its strong resistance to degradation. ^[5]

Occurrence

Perfluorodecanesulfonic acid is a micropollutant found in marine organisms and sewage sludge. ^[6]

Physical properties

Perfluorodecanesulfonic acid forms a dark brown to black solid. ^[7]

Use

Perfluorodecanesulfonic acid, as a very strong acid, can be used as a catalyst for regioselective alkylations and organic synthesis. ^{[8] [9]}

References

1. "Perfluorodecanesulfonic Acid (CAS 335-77-3)". caymanchem.com. Retrieved 23 September 2025.
2. Surampalli, Rao Y. (6 October 2025). PFAS in the Environment: Occurrence, Characterization, Treatment, and Management. John Wiley & Sons. ISBN   978-1-394-34390-4 . Retrieved 23 September 2025.
3. Mohan, Dinesh; Jr, Charles Pittman; Mlsna, Todd E. (28 April 2022). Sustainable Biochar for Water and Wastewater Treatment. Elsevier. p. 557. ISBN   978-0-12-823267-5 . Retrieved 23 September 2025.
4. Kempisty, David M.; Racz, LeeAnn (28 July 2021). Forever Chemicals: Environmental, Economic, and Social Equity Concerns with PFAS in the Environment. CRC Press. p. 107. ISBN   978-1-000-40545-3 . Retrieved 23 September 2025.
5. Wen, Wu; Xia, Xinghui; Chen, Xi; Wang, Haotian; Zhu, Baotong; Li, Husheng; Li, Yang (1 June 2016). "Bioconcentration of perfluoroalkyl substances by Chironomus plumosus larvae in water with different types of dissolved organic matters". Environmental Pollution . 213: 299–307. Bibcode:2016EPoll.213..299W. doi:10.1016/j.envpol.2016.02.018. ISSN   0269-7491. PMID   26925752 . Retrieved 23 September 2025.
6. Leon, Victor M.; Bellas, Juan (13 March 2023). Contaminants of Emerging Concern in the Marine Environment: Current Challenges in Marine Pollution. Elsevier. p. 170. ISBN   978-0-323-90444-5 . Retrieved 23 September 2025.
7. "Catalogue Number TRC-P286540" (PDF). lgcstandards.com. Retrieved 25 September 2025.
8. Olah, George A.; Prakash, G. K. Surya; Sommer, Jean; Molnar, Arpad (26 March 2009). Superacid Chemistry. John Wiley & Sons. p. 66. ISBN   978-0-470-42154-3 . Retrieved 23 September 2025.
9. Olah, George A.; Prakash, G. K. Surya (19 October 2004). Carbocation Chemistry. John Wiley & Sons. p. 17. ISBN   978-0-471-28490-1 . Retrieved 23 September 2025.