Perfluoropentanoic acid
Also known as: Nonafluoropentanoic acid, Nonafluorovaleric Acid, Perfluorovaleric Acid, Perfluoro-n-pentanoic acid, n-Perfluoropentanoic Acid, n-nonafluoropentanoic acid, 2,2,3,3,4,4,5,5,5-nonafluoropentanoic acid, Pentanoic acid, 2,2,3,3,4,4,5,5,5-nonafluoro-, Valeric acid, nonafluoro-, EINECS 220-300-7, MFCD00040211
Perfluoropentanoic acid (CAS 2706-90-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5HF9O2 and a molecular weight of 264.046 g/mol. Key properties include a boiling point of 124.4±35.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 29.1±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2706-90-3
- Jingsj CID
- J-30959-1
- Molecular Formula
- C5HF9O2
- Molecular Weight
- 264.046 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 124.4±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 29.1±25.9 °C |
| Exact Mass | 263.983276 |
| PSA | 37.30000 |
| LogP | 5.29 |
| Vapor Pressure | 7.9±0.4 mmHg at 25°C |
| Refractive Index | 1.290 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Frequently Asked Questions
What is the CAS number of Perfluoropentanoic acid?
The CAS number of Perfluoropentanoic acid is 2706-90-3.
What are the molecular formula and molecular weight of Perfluoropentanoic acid?
Perfluoropentanoic acid has molecular formula C5HF9O2 and molecular weight 264.046 g/mol.
Is Perfluoropentanoic acid hazardous?
Perfluoropentanoic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Perfluoropentanoic acid?
For Perfluoropentanoic acid, Upstream Products: Perfluorobutyl iodide, Carbon dioxide, Pivaloyl chloride; Downstream Products: Nonafluoropentanoyl chloride, Heptafluorobutyric acid, Carbon dioxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Perfluoropentanoic acid (CAS 2706-90-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30959-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.