1-(trifluoroacetyl)imidazole
Also known as: 1-(trifluoroacetyl)-1H-imidazole, N-trifluoroacetylimidazole, 2,2,2-trifluoro-1-(1H-imidazol-1-yl)ethanone, 2,2,2-trifluoro-1-imidazol-1-ylethanone, TFAI, trifluoroacetylimidazole
1-(trifluoroacetyl)imidazole (CAS 1546-79-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3F3N2O and a molecular weight of 164.085 g/mol. Key properties include a boiling point of 151.4±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 45.0±0.0 °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 Aug 21, 2026.
- CAS No.
- 1546-79-8
- Jingsj CID
- J-36860-5
- Molecular Formula
- C5H3F3N2O
- Molecular Weight
- 164.085 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 151.4±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 45.0±0.0 °C |
| Exact Mass | 164.019745 |
| PSA | 34.89000 |
| LogP | 1.18 |
| Vapor Pressure | 3.7±0.3 mmHg at 25°C |
| Refractive Index | 1.470 |
| Additional Property | reacts |
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 | 2933290090 |
|---|---|
| Summary | 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. 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 1-(trifluoroacetyl)imidazole?
The CAS number of 1-(trifluoroacetyl)imidazole is 1546-79-8.
What are the molecular formula and molecular weight of 1-(trifluoroacetyl)imidazole?
1-(trifluoroacetyl)imidazole has molecular formula C5H3F3N2O and molecular weight 164.085 g/mol.
Is 1-(trifluoroacetyl)imidazole hazardous?
1-(trifluoroacetyl)imidazole 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 1-(trifluoroacetyl)imidazole?
For 1-(trifluoroacetyl)imidazole, Upstream Products: Imidazole, Trifluoroacetic anhydride, 1,1'-Carbonyldiimidazole; Downstream Products: 2-(Trifluoroacetyl)thiophene, 1-(4-Bromophenyl)-4,4,4-trifluorobutane-1,3-dione, 5,5-dimethyl-2-(2,2,2-trifluoroacetyl)cyclohexane-1,3-dione.
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-(trifluoroacetyl)imidazole (CAS 1546-79-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36860-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.