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ChemicalBook >> CAS DataBase List >>1H,1H,2H,2H-Perfluorooctanesulfonic acid

1H,1H,2H,2H-Perfluorooctanesulfonic acid

CAS No.
27619-97-2
Chemical Name:
1H,1H,2H,2H-Perfluorooctanesulfonic acid
Synonyms
Perfluorohexyl Ethyl sulphonic acid;Perfluorohexyl ethyl sulfonic acid;2-(Perfluorohexyl)ethane-1-sulfonic acid;1H,1H,2H,2H-PERFLUOROOCTANESULPHONIC ACID;3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctanesulphonic acid;Perfluorohexylsulfonicacid;1H.1H.2H.2H-perfluorooctane;perfluorohexyl ethyl sulfonate;Thirteen fluorooctanesulfonic acid;1H.1H.2H.2H-perfluorooctane sulfonate
CBNumber:
CB3467468
Molecular Formula:
C8H5F13O3S
Molecular Weight:
428.17
MDL Number:
MFCD00042455
MOL File:
27619-97-2.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-06-04 13:40:00
Product description Number Pack Size Price
1H,1H,2H,2H-Perfluorooctanesulfonic Acid ≥90% 37260 100mg $112
1H,1H,2H,2H-Perfluorooctanesulfonic Acid ≥90% 37260 250mg $237
1H,1H,2H,2H-Perfluorooctanesulfonic Acid ≥90% 37260 500mg $417
1H,1H,2H,2H-Perfluorooctanesulfonic Acid ≥90% 37260 1g $612
2-(Perfluorohexyl)ethane-1-sulfonic Acid 159233 10mg $439
More product size

1H,1H,2H,2H-Perfluorooctanesulfonic acid Properties

Density 1,25 g/cm3
vapor pressure 1.96Pa at 20℃
storage temp. 2-8°C
solubility Acetone: Slightly soluble,Chloroform: Slightly soluble,DMSO: Slightly soluble,Methanol: Slightly soluble
form A low-melting solid
pka 1.31±0.50(Predicted)
Water Solubility 658g/L at 20℃
Henry's Law Constant 2.1×10-3 mol/(m3Pa) at 25℃, Abusallout et al. (2022)
Major Application PFAS testing
InChI InChI=1S/C8H5F13O3S/c9-3(10,1-2-25(22,23)24)4(11,12)5(13,14)6(15,16)7(17,18)8(19,20)21/h1-2H2,(H,22,23,24)
InChIKey VIONGDJUYAYOPU-UHFFFAOYSA-N
SMILES C(S(O)(=O)=O)CC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F
FDA UNII 9E5JL7S7WY
EPA Substance Registry System 1-Octanesulfonic acid, 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro- (27619-97-2)
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P260-P271-P280
Hazard Codes  C,Xi
Risk Statements  34
Safety Statements  26-36/37/39-45
RIDADR  3265
WGK Germany  WGK 3
Hazard Note  Corrosive
TSCA  TSCA listed
HazardClass  IRRITANT, CORROSIVE
HS Code  2904990090
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Acute Tox. 4 Oral
Eye Dam. 1
Skin Corr. 1B
REACH Registrations Inactive
NFPA 704
0
3 0

1H,1H,2H,2H-Perfluorooctanesulfonic acid price More Price(45)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Cayman Chemical 37260 1H,1H,2H,2H-Perfluorooctanesulfonic Acid ≥90% 27619-97-2 100mg $112 2026-04-30 Buy
Cayman Chemical 37260 1H,1H,2H,2H-Perfluorooctanesulfonic Acid ≥90% 27619-97-2 250mg $237 2026-04-30 Buy
Cayman Chemical 37260 1H,1H,2H,2H-Perfluorooctanesulfonic Acid ≥90% 27619-97-2 500mg $417 2026-04-30 Buy
Cayman Chemical 37260 1H,1H,2H,2H-Perfluorooctanesulfonic Acid ≥90% 27619-97-2 1g $612 2026-04-30 Buy
Usbiological 159233 2-(Perfluorohexyl)ethane-1-sulfonic Acid 27619-97-2 10mg $439 2026-06-03 Buy
Product number Packaging Price Buy
37260 100mg $112 Buy
37260 250mg $237 Buy
37260 500mg $417 Buy
37260 1g $612 Buy
159233 10mg $439 Buy

1H,1H,2H,2H-Perfluorooctanesulfonic acid Chemical Properties,Uses,Production

Description

1H,1H,2H,2H-Perfluorooctanesulfonic acid (1H,1H,2H,2H-Perfluorooctanesulphonic acid) is an efficient fluorine-containing surfactant without perfluorooctane sulfonic acid, which has the characteristics of high temperature resistance, oxidant resistance, electrolytic stability, etc. It can reduce the concentration of chromic acid in plating workshop and inhibit the precipitation of chromic acid and chromium mist.

Chemical Properties

White to Brown Solid.

Uses

1H,1H,2H,2H-Perfluorooctanesulfonic acid is an aliphatic compound for fluorinated surfactant synthesis.

Application

1H,1H,2H,2H-Perfluorooctanesulfonic acid (1H,1H,2H,2H-Perfluorooctanesulphonic acid) can functionalize gallium nitride (GaN) to tune the optical properties, which can potentially be used in chemical sensor based applications. It can modify the surface characteristics of copper substrates that find usage in printed circuit boards as copper foils. It can also be coated on the indium tin oxide substrate, which may be utilized in organic light emitting diodes (OLEDs) and organic photovoltaics (OPVs).

General Description

1H,1H,2H,2H-Perfluorooctanesulfonic acid is a fluoroalkyl phosphonic acid that contains 8 fluorinated carbon atoms. It forms a self-assembled layer on the substrate due to the adhesion of the phosphonates. The surface adhesion is a component of the acid base linkage that is enhanced by the hydroxyl groups.

Flammability and Explosibility

Not classified

Toxicology

Toxicological studies of 1H,1H,2H,2H-Perfluorooctanesulfonic acid (6:2 FTS) induced cardiovascular abnormalities in zebrafish embryos and larvae showed that the acute toxicity of 6:2 FTS was lower than that of PFOS. 6:2 FTS could affect the development of zebrafish, including increasing the utilization of yolk sac and the length of the pharyngeal pouch, leading to pericardial edema and inhibiting beating of the heart. Then transgenic zebrafish CZ63 and CZ40 were used to further explore its cardiovascular toxicity. 6:2 FTS could induce vascular hyperplasia, inhibit atrial development, and reduce blood flow velocity in larvae at 72 hours postfertilization. In addition, 6:2 FTS enhanced CAT and GSH-Px activities, involved in calcium signalling and myocardial contraction, and affected MAPK, FoxO and p53 signalling pathways[3].

storage

2-8°C

Environmental considerations

Regulatory efforts are underway to limit the use of some Fluorinated additive material, mainly perfluorinated compounds (PFCs), due to concerns over their environmental persistency, bioaccumulation ability, and toxicity. Among the PFCs, perfluorosulfonates (PFSAs) and perfluorocarboxylates (PFCAs) are most widely detected in human and other biological samples, including those in pristine areas such as the Arctic. The longer-chained PFCs are known to be bioaccumulative and have toxic effects on biota. For example, neuroendocrine effects and peroxisome proliferation have been shown to occur. The perfluorinated sulfonamides are neutral compounds and are consequently not as water-soluble as the acids and are more volatile. It has been suggested that they are transformed into perfluorinated sulfonates (PFSAs) and PFCAs in the atmosphere. Since the perfluorinated acids have high water solubilities and low pKa values, they are dissociated at environmentally relevant pH values. They are primarily found in water or bound to particles, sediments, and soils[1-2].

Toxics Screening Level

The initial threshold screening level (ITSL) for 6:2 fluorotelomer sulfonic acid (or 6:2 FTS) is 1 μg/m3, with annual averaging time.

References

[1] L. Ahrens. "Determination of polyfluoroalkyl compounds in water and suspended particulate matter in the river Elbe and North Sea, Germany." Frontiers of Environmental Science & Engineering in China 3.1(2009): 152–170.
[2] RuanTing. "Trace determination of airborne polyfluorinated iodine alkanes using multisorbent thermal desorption/gas chromatography/high resolution mass spectrometry." Journal of Chromatography A 1217 26 (2010): 4439–47.
[3] LING WANG, YAWEI WANG; Early Stage Exposure of 1H,1H,2H,2H-Perfluorooctanesulfonate-Induced Cardiovascular Abnormality in Zebrafish Embryos and Larvae[J]. ACS ES&T water, 2022. DOI:10.1021/acsestwater.2c00435.

34451-26-8
27619-97-2
Synthesis of 1H,1H,2H,2H-Perfluorooctanesulfonic acid from 1H,1H,2H,2H-PERFLUOROOCTANETHIOL

1H,1H,2H,2H-Perfluorooctanesulfonic acid Preparation Products And Raw materials

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Related Qustion

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Q:What is the biotransformation of 1H,1H,2H,2H-perfluorooctanesulfonic acid?STAR - Mar 31，2026
A:1H,1H,2H,2H-Perfluorooctanesulfonic acid (6:2 FTS) is one of the representative compounds of perfluoro- and polyfluoroalkyl substances (PFAS) and is present in some aqueous film-forming foam (AFFF) products. Studies have shown that significant levels of 6:2 FTS and 8:2 FTS are produced following the oxidation of these AFFFs. For example, 6:2 fluoroterminated alkyl sulphamido betaine (6:2 FTAB), a key component of AFFFs used in firefighting, is frequently detected alongside one of its suspected transformation products—6:2 FTS—in terrestrial and aquatic ecosystems affected by AFFF use. A study on the biotransformation of 6:2 FTS found that its biotransformation is rate-limited: When the pore water flow rate decreased from 3.7 cm/day to 2.4 cm/day, the effluent concentration of 6:2 FTS decreased by 21.7–26.1%, whilst the yield of late-stage biotransformation products (C4–C7 perfluoroalkyl carboxylates) was higher (1.0–1.4 mol% vs. 0.3 mol%) The model-fitted biotransformation rate for the 6:2 FTS column (0.039–0.041 cm3/g·s·d) was approximately 3.5 times lower than the rate observed in the microcosm (0.137 cm3/g·s·d). Additionally, during column experiments, planktonic microbial communities remained relatively stable, whereas the composition of the attached microbial communities shifted along the flow path, which may have been attributed to oxygen availability and the toxicity of 6:2 FTS and associated biotransformation products. Genus Pseudomonas dominated in planktonic microbial communities, while in the attached microbial communities, Rhodococcus decreased and Pelotomaculum increased along the flow path, suggesting their potential involvement in early- and late-stage 6:2 FTS biotransformation, respectively.

View Lastest Price from 1H,1H,2H,2H-Perfluorooctanesulfonic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1H,1H,2H,2H-Perfluorooctanesulfonic acid pictures 2026-06-04 1H,1H,2H,2H-Perfluorooctanesulfonic acid
27619-97-2
 25kg 30% 300tons/year Wuhan Hugarise New Material Co.,Ltd
1H,1H,2H,2H-Perfluorooctanesulfonic acid pictures 2025-12-01 1H,1H,2H,2H-Perfluorooctanesulfonic acid
27619-97-2
 1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
1H,1H,2H,2H-PERFLUOROOCTANESULFONIC ACID pictures 2025-04-04 1H,1H,2H,2H-PERFLUOROOCTANESULFONIC ACID
27619-97-2
 1KG 98% 1Ton Henan Aochuang Chemical Co.,Ltd.
(1H,1H,2H,2H)-Perfluorooctanesulfonic] 1-Octanesulfonic acid, 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro- 1H,1H,2H,2H-Perfluorooctanesulphonic acid 98% 1H,1H,2H,2H-Perfluorooctanesulphonicacid98% 2-(Tridecafluorohexyl)ethanesulfonic acid 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctane-1-sulfonic acid 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctane-1-sulphonic acid 1H,1H,2H,2H-Tridecafluorooctane-1-sulphonic acid 98% 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctane-1-sulphonic acid, 1H,1H,2H,2H-Perfluorooctanesulphonic acid, 2-(Perfluorohex-1-yl)ethane-1-suphonic acid 1H,1H,2H,2H-Tridecafluorooctane-1-sulphonicacid98% 1H,1H,2H,2H-Perfluorooctanesulfonic acid (25% aqueous solution) 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-1-octanesulfonicaci 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-1-Octanesulfonicacid 1H,1H,2H,2H-PERFLUOROOCTANESULFONIC ACID 1H,1H,2H,2H-Perfluorooctanesulfonic acid, 32% aqueous solution 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctanesulfonicacid 2-(Perfluorohexyl)ethane-0-sulfonic acid perfluorohexyl ethyl sulfonate 27619-97-2 C8H5F13O3S 1H,1H,2H,2H-PERFLUOROOCTANESULFONIC ACID 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctanesulphonic acid Perfluorohexyl ethyl sulfonic acid 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctane-1-sulfonicaci 1-Octanesulfonic acid,3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro- CAS NO.27619-97-2 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctanesulphonic acid (30% solution) 1H,1H,2H,2H-Perfluorooctane sulfonic acid 100 μg/mL in Methanol 1H,1H,2H,2H-Perfluorooctanesulfonic acid in methanol 1H.1H.2H.2H-perfluorooctane 1H.1H.2H.2H-perfluorooctane sulfonate Thirteen fluorooctanesulfonic acid 1H,1H,2H,2H-Perfluorooctanesulfonic acid 1H,1H,2H,2H-Tridecafluorooctane-1-sulphonic acid Perfluorohexylsulfonicacid 1H,1H,2H,2H-Perfluorooctanesulfonic acid - 30% solution in water 1H,1H,2H,2H-Tridecafluorooctane-1-sulphonic acid Perfluorohexyl Ethyl sulphonic acid 1H,1H,2H,2H-PERFLUOROOCTANESULPHONIC ACID 2-(Perfluorohexyl)ethane-1-sulfonic acid 27619-97-2 C8H5F13O3S
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