1,1,1-Trifluoro-2-butanone
1,1,1-三氟-2-丁酮
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. It is also known as 1,1,1-Trifluorobutan-2-one, Ethyl 1,1,1-trifluoromethyl ketone and 1,1,1-Trifluoromethyl ethyl ketone. 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. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 381-88-4
- Jingsj CID
- J-43091-7
- Molecular Formula
- C4H5F3O
- Chinese Name
- 1,1,1-三氟-2-丁酮
- 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 |
GHS Safety & Compliance
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.
Data compiled from public chemical databases 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-43091-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.