1-(Trimethylsilyl)-1-propyne
Synonym(s):Trimethyl-1-propynylsilane
- CAS NO.：6224-91-5
- Empirical Formula: C6H12Si
- Molecular Weight: 112.25
- MDL number: MFCD00009271
- EINECS: 228-314-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:21:30
What is 1-(Trimethylsilyl)-1-propyne?
Chemical properties
1-(Trimethylsilyl)-1-propyne is CLEAR COLOURLESS LIQUID
The Uses of 1-(Trimethylsilyl)-1-propyne
1-(Trimethylsilyl)propyne is used in the synthesis of alkynyl silane derivative.
The Uses of 1-(Trimethylsilyl)-1-propyne
1-Trimethylsilyl-1-propyne is employed in the preparation of alkynyl silane derivatives. It is also used to prepare highly substituted indenes using palladium-catalyzed carboannulation. Further, it plays an important role in the preparation of indenones through a rhodium-catalyzed reaction with 2-bromophenylboronic acids.
Properties of 1-(Trimethylsilyl)-1-propyne
| Melting point: | -69°C |
| Boiling point: | 99-100 °C (lit.) |
| Density | 0.758 g/mL at 25 °C (lit.) |
| vapor density | >1 (vs air) |
| refractive index | n |
| Flash point: | 25 °F |
| storage temp. | 2-8°C |
| solubility | Miscible with toluene. |
| form | Liquid |
| color | Clear colorless |
| Specific Gravity | 0.758 |
| Hydrolytic Sensitivity | 4: no reaction with water under neutral conditions |
| BRN | 1071311 |
| CAS DataBase Reference | 6224-91-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-(Trimethylsilyl)-1-propyne(6224-91-5) |
Safety information for 1-(Trimethylsilyl)-1-propyne
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H225:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P242:Use only non-sparking tools. P243:Take precautionary measures against static discharge. |
Computed Descriptors for 1-(Trimethylsilyl)-1-propyne
| InChIKey | DCGLONGLPGISNX-UHFFFAOYSA-N |
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