Perfluoropentanoic acid
Synonym(s):Nonafluoropentanoic acid;Nonafluorovaleric acid;Perfluoropentanoic acid;PFPeA
- CAS NO.：2706-90-3
- Empirical Formula: C5HF9O2
- Molecular Weight: 264.05
- MDL number: MFCD00040211
- EINECS: 220-300-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:13
What is Perfluoropentanoic acid?
Chemical properties
colourless liquid
The Uses of Perfluoropentanoic acid
Perfluoropentanoic acid is a short-chain perfluorocarboxylic acid (PFCA) generally used as an industrial surfactant and surface protector.
Definition
ChEBI: A monocarboxylic acid that is perfluorinated pentanoic acid.
Synthesis Reference(s)
Synthesis, p. 647, 1991 DOI: 10.1055/s-1991-26535
Properties of Perfluoropentanoic acid
| Boiling point: | 140 °C(lit.) |
| Density | 1.713 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 140°C |
| storage temp. | Inert atmosphere,Room Temperature |
| form | Liquid |
| pka | 0.40±0.10(Predicted) |
| Specific Gravity | 1.713 |
| color | Clear light yellow to light brown |
| Water Solubility | Partly soluble in water. |
| BRN | 1800087 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 2706-90-3(CAS DataBase Reference) |
| EPA Substance Registry System | Perfluorovaleric acid (2706-90-3) |
Safety information for Perfluoropentanoic acid
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Health Hazard GHS08 |
| GHS Hazard Statements |
H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313:IF exposed or concerned: Get medical advice/attention. P405:Store locked up. |
Computed Descriptors for Perfluoropentanoic acid
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