2-(Trifluoroacetyl)thiophene
Also known as: 2,2,2-Trifluoro-1-(2-thienyl)ethanone, 2-Thienyl trifluoromethyl ketone, 1-(Thien-2-yl)-2,2,2-trifluoroethan-1-one, 2,2,2-Trifluoro-1-thiophen-2-yl-ethanone, Ethanone, 2,2,2-trifluoro-1-(2-thienyl)-, MFCD00041427
2-(Trifluoroacetyl)thiophene (CAS 651-70-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3F3OS and a molecular weight of 180.14800 g/mol. Key properties include a boiling point of 163ºC, a density of 1.403 and a flash point of 58.9 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 651-70-7
- Jingsj CID
- J-5684-8
- Molecular Formula
- C6H3F3OS
- Molecular Weight
- 180.14800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 163ºC |
|---|---|
| Density | 1.403 |
| Flash Point | 58.9 °C |
| Exact Mass | 179.98600 |
| PSA | 45.31000 |
| LogP | 2.49310 |
| Refractive Index | n20/D 1.486(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-(Trifluoroacetyl)thiophene?
The CAS number of 2-(Trifluoroacetyl)thiophene is 651-70-7.
What are the molecular formula and molecular weight of 2-(Trifluoroacetyl)thiophene?
2-(Trifluoroacetyl)thiophene has molecular formula C6H3F3OS and molecular weight 180.14800 g/mol.
Is 2-(Trifluoroacetyl)thiophene hazardous?
2-(Trifluoroacetyl)thiophene has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-(Trifluoroacetyl)thiophene?
For 2-(Trifluoroacetyl)thiophene, Upstream Products: Ethyl trifluoroacetate, 2-Thienylmagnesium bromide, 2-Thiophenecarbonyl chloride; Downstream Products: 1,4-Di(2-thienyl)-1,4-butanedione.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(Trifluoroacetyl)thiophene (CAS 651-70-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5684-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.