Methyl 4,4,4-trifluoroacetoacetate
- CAS NO.：83643-84-9
- Empirical Formula: C5H5F3O3
- Molecular Weight: 170.09
- MDL number: MFCD00041004
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:51:54
What is Methyl 4,4,4-trifluoroacetoacetate?
Chemical properties
Clear colorless to light yellow liquid
The Uses of Methyl 4,4,4-trifluoroacetoacetate
It is used as a drug intermediate. It is a cyclization, oxidation and halogenating reaction catalyst.
Properties of Methyl 4,4,4-trifluoroacetoacetate
| Melting point: | 19 °C |
| Boiling point: | 118°C |
| Density | 1.335 g/mL at 20 °C(lit.) |
| refractive index | n |
| Flash point: | 40°C |
| form | powder to lump to clear liquid |
| pka | 7.75±0.10(Predicted) |
| Specific Gravity | 1.340 |
| color | White or Colorless to Light yellow |
| BRN | 1777343 |
| CAS DataBase Reference | 83643-84-9(CAS DataBase Reference) |
Safety information for Methyl 4,4,4-trifluoroacetoacetate
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H226:Flammable liquids H301:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Methyl 4,4,4-trifluoroacetoacetate
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![METHYL 2-([2-(ETHOXYCARBONYL)-4,4,4-TRIFLUORO-3-OXOBUT-1-ENYL]AMINO)THIOPHENE-3-CARBOXYLATE](https://img.chemicalbook.in/StructureFile/ChemBookStructure3/GIF/CB1363144.gif)
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