Methyl trifluoroacetate (TFAM)
Methyl trifluoroacetate
CAS: 431-47-0
Molecular Formula: C3H3F3O2
Methyl trifluoroacetate (TFAM) - Names and Identifiers
Methyl trifluoroacetate (TFAM) - Physico-chemical Properties
| Molecular Formula | C3H3F3O2 |
| Molar Mass | 128.05 |
| Density | 1.273 g/mL at 25 °C (lit.) |
| Melting Point | -78 °C |
| Boling Point | 43-43.5 °C (lit.) |
| Flash Point | 19°F |
| Water Solubility | 8 g/L |
| Solubility | 8g/l |
| Vapor Presure | 5.77 psi ( 20 °C) |
| Appearance | Liquid |
| Specific Gravity | 1.273 |
| Color | Clear colorless |
| BRN | 1756070 |
| PH | 7 (8g/l, H2O, 20℃) |
| Storage Condition | Inert atmosphere,2-8°C |
| Sensitive | Moisture Sensitive |
| Explosive Limit | 6.1-24.8%(V) |
| Refractive Index | n20/D 1.291(lit.) |
| MDL | MFCD00013672 |
| Physical and Chemical Properties | Colorless liquid. Boiling point 43-43.5 ℃, relative density 1.273(20/4 ℃), refractive index 1.2907, flash point -7 ℃. Soluble in ethanol, ether, insoluble in water. |
Methyl trifluoroacetate (TFAM) - Risk and Safety
| Risk Codes | R11 - Highly Flammable R34 - Causes burns |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2924 3/PG 2 |
| WGK Germany | 1 |
| FLUKA BRAND F CODES | 19 |
| TSCA | T |
| HS Code | 29159080 |
| Hazard Note | Flammable/Corrosive |
| Hazard Class | 3 |
| Packing Group | II |
Methyl trifluoroacetate (TFAM) - Reference Information
| LogP | 0.6 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | methyl trifluoroacetate is a colorless liquid. Molecular weight 128.05. Relative density 1.273. Boiling point 43 ℃. 1.2907 refractive index. Flash point -7 ℃. Soluble in ethanol and ether, insoluble in water. Flammable. Poisonous! It's corrosive. for organic synthesis. It is obtained by esterification of trifluoroacetic acid with methanol. |
| Application | Methyl trifluoroacetate is an important trifluoromethyl reagent and block. It has important applications in the synthesis of organic fluorine compounds. It can be combined with α-hydrogen esters, ketones, nitriles, etc., and further synthesize complex organic compounds containing trifluoromethyl, especially heterocyclic compounds, and can also be used as protective reagents for amino groups. |
| use | for organic synthesis. |
| Production method | is obtained by esterification of trifluoroacetic acid and methanol. Methanol and trifluoroacetic acid are mixed, concentrated sulfuric acid is added, and efficient fractionation is carried out after reflux reaction for 5 hours, and fractions before 50 ℃ are collected. Fractionation again, collect the 40-43 ℃ fraction is methyl trifluoroacetate. 80% yield. |
Last Update：2024-04-10 22:29:15
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