perfluorohexane-1-sulphonic acid
- CAS NO.：355-46-4
- Empirical Formula: C6HF13O3S
- Molecular Weight: 400.11
- MDL number: MFCD00042453
- EINECS: 206-587-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-10 10:27:10
What is perfluorohexane-1-sulphonic acid?
Chemical properties
Perfluorohexane sulfonate (PFHxS, perfluorohexane sulfonic acid, perfluorohexane-1-sulphonic acid) is slightly soluble in water. Perfluorohexane sulfonate has the ability to react with strong oxidizing agents. Upon decomposition, PFHxS can form carbon monoxide, carbon dioxide, hydrogen fluoride, and oxides of sulfur. Additional information related to the physical and chemical properties of PFHxS are not currently available.
The Uses of perfluorohexane-1-sulphonic acid
Perfluorohexane sulfonate is a six-carbon compound in the perfluoroalkyl family of chemicals. Perfluorohexane sulfonate was once used in firefighting foam and carpet treatment solutions. It was once widely used by 3M as a stain and water repellent but was phased out due to U.S. Environmental Protection Agency regulations. Much like other perfluoroalkyls, PFHxS can persist in the environment.
The Uses of perfluorohexane-1-sulphonic acid
Perfluorohexanesulfonic Acid is one of the long-chain perfluorinated acids pollutant in the Canadian arctic.
Definition
ChEBI: A perfluoroalkanesulfonic acid that is hexane-1-sulfonic acid in which all thirteen of the hydrogens that are attached to carbons have been replaced by fluorines.
Properties of perfluorohexane-1-sulphonic acid
| Boiling point: | 238.5℃ |
| Density | 1.841±0.06 g/cm3 (20 ºC 760 Torr) |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| pka | -3.34±0.50(Predicted) |
| Stability: | Hygroscopic |
| EPA Substance Registry System | Perfluorohexanesulfonic acid (355-46-4) |
Safety information for perfluorohexane-1-sulphonic acid
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H314:Skin corrosion/irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P501:Dispose of contents/container to..… |
Computed Descriptors for perfluorohexane-1-sulphonic acid
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