Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate
Also known as: Pentanoic acid, 4,4,5,5,5-pentafluoro-3-oxo-, ethyl ester, Ethyl pentafluoropropionylacetate, Ethyl 4,4,5,5,5-pentafluoro-3-oxopentanoate, 4,4,5,5,5-Pentafluoro-3-oxovaleric acid ethyl ester
Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate (CAS 663-35-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7F5O3 and a molecular weight of 234.12100 g/mol. Key properties include a boiling point of 143-145 °C(lit.), a density of 1.338 g/mL at 25 °C(lit.) and a flash point of 47.8 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 663-35-4
- Jingsj CID
- J-1362297-4
- Molecular Formula
- C7H7F5O3
- Molecular Weight
- 234.12100 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 143-145 °C(lit.) |
|---|---|
| Density | 1.338 g/mL at 25 °C(lit.) |
| Flash Point | 47.8 °C |
| Exact Mass | 234.03200 |
| PSA | 43.37000 |
| LogP | 1.70630 |
| Refractive Index | n20/D 1.367(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
Customs & Trade Information
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate?
The CAS number of Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate is 663-35-4.
What are the molecular formula and molecular weight of Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate?
Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate has molecular formula C7H7F5O3 and molecular weight 234.12100 g/mol.
Is Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate hazardous?
Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
What are the upstream and downstream products of Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate?
For Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate, Upstream Products: Ethyl Pentafluoropropionate, Methyl pentafluoropropionate, Ethyl acetate; Downstream Products: ethyl 3-amino-4,4,5,5,5-pentafluoropent-2-enoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 4,4,5,5,5-pentafluoro-3-oxovalerate (CAS 663-35-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1362297-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.