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Merck

77282

Heptadecafluorooctanesulfonic acid potassium salt

≥98.0% (T)

Synonym(s):

Perfluorooctanesulfonic acid potassium salt, Potassium heptadecafluoro-1-octanesulfonate

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About This Item

Linear Formula:
CF3(CF2)7SO3K
CAS Number:
2795-39-3
Molecular Weight:
538.22
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
57652691
EC Number:
220-527-1
Beilstein/REAXYS Number:
3864579
MDL number:
MFCD00066407
Assay:
≥98.0% (T)
Form:
crystals

Key Documents

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assay

≥98.0% (T)

form

crystals

mp

277-280 °C (lit.)

functional group

fluoro, sulfonic acid

SMILES string

[K+].[O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F

InChI

1S/C8HF17O3S.K/c9-1(10,3(13,14)5(17,18)7(21,22)23)2(11,12)4(15,16)6(19,20)8(24,25)29(26,27)28;/h(H,26,27,28);/q;+1/p-1

InChI key

WFRUBUQWJYMMRQ-UHFFFAOYSA-M

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General description

Heptadecafluorooctanesulfonic acid potassium salt is commonly utilized as a surfactant or wetting agent in various industrial processes.

Application

Heptadecafluorooctanesulfonic acid potassium salt can be used as:
  • A fluorinated surfactant for poly(vinylpyrrolidone)/aminopropyl-functionalized nanoclay films to achieve hydrophobicity and oleophobicity.
  • A surfactant in the preparation of core-shell polymers for lithium-ion batteries.
  • A reactant to synthesize dicationic ionic liquids.

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Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Carc. 2 - Lact. - Repr. 1B - STOT RE 1

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH5239
BCCF7349
BCCD2200
BCCC7858
BCCC4690

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Vera Kovacevic et al.
Ecotoxicology and environmental safety, 164, 189-200 (2018-08-18)
Previous studies have shown that contaminant toxicity to target organisms is altered by the presence of dissolved organic matter (DOM). Contaminants can bind to DOM and this may alter the bioavailability and subsequent toxicity of the contaminants. However, molecular-level techniques
Large-scale formation of fluorosurfactant-doped transparent nanocomposite films showing durable antifogging, oil-repellent, and self-healing properties
Sato, et al.
Langmuir, 36, 7439-7446 (2020)
Fabrication of a microcapsule extinguishing agent with a core-shell structure for lithium-ion battery fire safety
Zhang W, et al.
Materials Advances, 14, 4634-4642 (2021)
Synthesis of thermally stable geminal dicationic ionic liquids and related ionic compounds: an examination of physicochemical properties by structural modification
Patil R, et al.
Chemistry of Materials, 28, 4315-4323 (2016)
Emily Marques et al.
Toxicology and applied pharmacology, 408, 115250-115250 (2020-09-27)
Hepatic steatosis increases risk of fatty liver and cardiovascular disease. Perfluorooctanesulfonic acid (PFOS) is a persistent, bio-accumulative pollutant that has been used in industrial and commercial applications. PFOS administration induces hepatic steatosis in rodents and increases lipogenic gene expression signatures
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