307-24-4
Perfluorohexanoic acid
CAS: 307-24-4
Molecular Formula: C6HF11O2
307-24-4 - Names and Identifiers
| Name | Perfluorohexanoic acid |
| Synonyms | IPC-PFFA-6 perfluorohexanoic Perfluorocaproic acid PERFLUOROCAPROIC ACID Perfluorohexanoic acid PERFLUOROHEXANOIC ACID IPC-PFFA-6 (ca. 5mmol) undecafluorohexanoic acid UNDECAFLUOROHEXANOIC ACID Hexanoic acid,2,2,3,3,4,4,5,5,6,6,6-undecafluoro- |
| CAS | 307-24-4 |
| EINECS | 206-196-6 |
| InChI | InChI=1/C6HF11O2/c7-2(8,1(18)19)3(9,10)4(11,12)5(13,14)6(15,16)17/h(H,18,19) |
| InChIKey | PXUULQAPEKKVAH-UHFFFAOYSA-N |
307-24-4 - Physico-chemical Properties
| Molecular Formula | C6HF11O2 |
| Molar Mass | 314.05 |
| Density | 1.759g/mLat 20°C(lit.) |
| Melting Point | 14 °C |
| Boling Point | 157 °C |
| Flash Point | 40.3°C |
| Solubility | water: insoluble |
| Vapor Presure | 3.09mmHg at 25°C |
| Appearance | Colorless liquid |
| Specific Gravity | 1.762 |
| Color | White or Colorless to Almost white or Almost colorless |
| BRN | 1805852 |
| pKa | 0.42±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Stability | Stable, but may be light sensitive. Incompatible with oxidizing agents. |
| Sensitive | Easy to absorb moisture and sensitive to light |
| Refractive Index | n20/D 1.301 |
| MDL | MFCD00198040 |
| Use | Ion pair reagent for LC-MS. Perfluorocarboxylic acids are a new type of persistent organic pollutants, which are widely present in various environmental media. |
307-24-4 - Risk and Safety
| Risk Codes | R34 - Causes burns R37 - Irritating to the respiratory system |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-8 |
| HS Code | 29159000 |
| Hazard Note | Corrosive/Toxic |
| Hazard Class | CORROSIVE |
| Packing Group | II |
307-24-4 - Reference Information
Open Data Unverified Data
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | perfluorocarboxylate (Perfluoroalkylcarboxylates,PFCAs) such as undecanoic acid is a kind of perfluoroalkyl anionic surfactant, which is a linear molecule, one end is composed of hydrophobic and oleophobic carbon-fluorine chain, and the other end is hydrophilic carboxyl group. Due to the characteristics of amphoteric molecules and carbon-fluorine bonds, perfluorocarboxylate has the characteristics of low surface tension, outstanding chemical stability and thermal stability, and is widely used in industrial production. |
| recycling | at present, there are few methods for direct recycling of perfluorocarboxylate, mainly focusing on the recycling of ammonium perfluorooctanoate. among them, nanofiltration membrane recycling method is mainly used, but nanofiltration membrane has poor treatment effect on perfluorobutyric acid, perfluoropentanoic acid, undecanoic acid, perfluoroheptanoic acid, etc, even for perfluorooctanoic acid, perfluoronanoic acid and perfluorodecanoic acid with larger molecular weight, there is still a certain amount of perfluorocarboxylate residue in the wastewater after nanofiltration treatment. |
| recovery method | recovery of undecanoic acid in wastewater using modified ferric oxide. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 19:43:38
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