1,1,1-Trifluoro-2-butanone
Also known as: 1,1,1-Trifluorobutan-2-one, Ethyl 1,1,1-trifluoromethyl ketone, 1,1,1-Trifluoromethyl ethyl ketone, Ethyl trifluoromethyl ketone, 1,1,1-Trifluoro-2-butanone (96%), MFCD00190641
1,1,1-Trifluoro-2-butanone (CAS 381-88-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H5F3O and a molecular weight of 126.077 g/mol. Key properties include a boiling point of 45.4±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of -8.8±17.4 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 381-88-4
- Jingsj CID
- J-43091-1
- Molecular Formula
- C4H5F3O
- Molecular Weight
- 126.077 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 45.4±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | -8.8±17.4 °C |
| Exact Mass | 126.029251 |
| PSA | 17.07000 |
| LogP | 1.02 |
| Vapor Pressure | 348.6±0.1 mmHg at 25°C |
| Refractive Index | 1.314 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
Customs & Trade Information
| HS Code | 2914700090 |
|---|---|
| Summary | HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,1,1-Trifluoro-2-butanone?
The CAS number of 1,1,1-Trifluoro-2-butanone is 381-88-4.
What are the molecular formula and molecular weight of 1,1,1-Trifluoro-2-butanone?
1,1,1-Trifluoro-2-butanone has molecular formula C4H5F3O and molecular weight 126.077 g/mol.
Is 1,1,1-Trifluoro-2-butanone hazardous?
1,1,1-Trifluoro-2-butanone has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.
What are the upstream and downstream products of 1,1,1-Trifluoro-2-butanone?
For 1,1,1-Trifluoro-2-butanone, Upstream Products: Ethyl trifluoroacetate, Ethylmagnesium bromide, ethane; Downstream Products: 3-bromo-1,1,1-trifluorobutan-2-one, 1,1,1-Trifluoro-2-butanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1,1-Trifluoro-2-butanone (CAS 381-88-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43091-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.