| Customization: | Available |
|---|---|
| CAS No.: | 81290-20-2 |
| Formula: | C4h9f3si |
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Trimethyl(trifluoromethyl)silane (TFMTMS for short) is an important organosilicon compound with a molecular formula of C4H9F3Si and a molecular weight of 142.20. It is a colorless, transparent liquid with a boiling point between 53-55°C and a relative density of 0.962g/mL (20°C).
Physical properties
Trifluoromethyltrimethylsilane is a colorless liquid at room temperature with a boiling point of 54-55°C, a density of
0.962g/mL (20°C), a flash point of -17°C, and a refractive index of 1.386.
Chemical properties
Trifluoromethyltrimethylsilane is sensitive to acid, alkali, and moisture and needs to be stored and used under dry conditions. It is sensitive to oxides, moisture, heat, and flame, so these conditions need to be avoided during use.
Uses
Trifluoromethyltrimethylsilane is mainly used as a trifluoromethylation reagent and is often used in nucleophilic addition reactions of aldehydes and ketones. In addition, it also has important applications in pharmaceutical synthesis.
Safety Information
Trifluoromethyltrimethylsilane is a dangerous substance and is flammable. It must be used in a fume hood. Its hazard level is 11, its safety level is 16-33, and its UN number is UN1993.
| Density | 1.0±0.1 g/cm3 |
| Boiling point | 49.3±40.0 °C at 760 mmHg |
| Molecular formula | C4H9F3Si |
| Molecular weight | 142.19 |
| Flash point | -16.4±27.3 °C |
| Exact mass | 142.042557 |
| LogP | 1.85 |
| Appearance | Transparent colorless solution |
| Vapor pressure | 313.6±0.1 mmHg at 25°C |
| Refractive index | 1.328 |
| Storage conditions | 2-8°C refrigerated, dry, sealed, in an inert gas environment. |
| Stability | 1. Will not decompose if used and stored as specified, avoid oxides, moisture, heat, and flame. 2. Sensitive to acid, alkali, and moisture, needs to be stored in dry conditions and used in a fume hood. |
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