1,1,1-Trifluoro-2,4-pentanedione
Synonym(s):α,α,α-Trifluoroacetylacetone;1,1,1-Trifluoroacetylacetone
- CAS NO.：367-57-7
- Empirical Formula: C5H5F3O2
- Molecular Weight: 154.09
- MDL number: MFCD00000427
- EINECS: 206-698-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:23:54
What is 1,1,1-Trifluoro-2,4-pentanedione?
Chemical properties
Clear light yellow to orange liquid
The Uses of 1,1,1-Trifluoro-2,4-pentanedione
1,1,1-Trifluoro-2,4-pentanedione has been used as reagent in the preparation of 2-alkylcarbonyl and 2-benzoyl-3-trifluoromethylquinoxaline 1,4-di-N-oxide derivatives.
General Description
1,1,1-Trifluoro-2,4-pentanedione is known as trifluoro-acetylacetone (TFAA). Molecular structure of 1,1,1-trifluoro-pentane-2,4-dione has been investigated by Density Functional Theory (DFT) calculations.
Properties of 1,1,1-Trifluoro-2,4-pentanedione
| Boiling point: | 105-107 °C (lit.) |
| Density | 1.27 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 79 °F |
| storage temp. | 2-8°C |
| form | Liquid |
| pka | 6.69±0.10(Predicted) |
| Specific Gravity | 1.270 |
| color | deep brownish-yellow |
| Water Solubility | slightly soluble |
| BRN | 1705177 |
| CAS DataBase Reference | 367-57-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,4-Pentanedione, 1,1,1-trifluoro-(367-57-7) |
| EPA Substance Registry System | 2,4-Pentanedione, 1,1,1-trifluoro- (367-57-7) |
Safety information for 1,1,1-Trifluoro-2,4-pentanedione
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 1,1,1-Trifluoro-2,4-pentanedione
New Products
Cyclopropane-1,1-dicarboxylic acid Cefuroxime EP Impurity-A N-Nitroso hydroxy Cetrizine EP Impurity-A Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity Lantanoprost rc B Clidinium Bromide Impurity tert-Butyl (2S)-[1-amino-3-(4-iodophenyl)-1-oxopropan-2-yl]carbamate 4-amino-2-fluoro-N- methylbenzamide 5-Chloro-3- Methyl -1,3-2-benzoxazol-2(3H)-one N-(2-chloropyrimidin-4-yl)-N,2,3- trimethyl-2H- indazol 6-amine N-Boc-1,4-butanediamine 4-Bromo-2-fluoro-N-methylbenzamide valeronitrile 3-chlorobenzyl cyanide 3,4 Dimethoxy Benzylcyanide 3,4 Diethoxy Benzylcyanide 2-Chloro Benzylcyanide 3-Hydroxypropionitrile 5-azidovalericacid 6,6'-bis(difluoromethoxy)-2,2'-bis((3,4-dimethoxypyridin-2-yl)methylsulfinyl)-1H,1'H-5,5'-bibenzo[d]imidazole (1-((2'-(2-((1-((2'-(2H-tetrazol-5-yl)biphenyl-4-yl)methyl)-2-butyl-4-chloro-1H-imidazol-5-yl)methyl)-2H-tetrazol-5-yl)biphenyl-4-yl)methyl)-2-butyl-4-chloro-1H-imidazol-5-yl)methanol (1-((2'-(1-((1-((2'-(2H-tetrazol-5-yl)biphenyl-4-yl)methyl)-2-butyl-4-chloro-1H-imidazol-5-yl)methyl)-1H-tetrazol-5-yl)biphenyl-4-yl)methyl)-2-butyl-4-chloro-1H-imidazol-5-yl)methanol (4-Methoxyphenyl) hydrazine HydrochlorideRelated products of tetrahydrofuran
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