(TRIETHYLSILYL)ACETYLENE
Synonym(s):Ethynyltriethylsilane
- CAS NO.：1777-03-3
- Empirical Formula: C8H16Si
- Molecular Weight: 140.3
- MDL number: MFCD00075373
- EINECS: 628-759-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:24:14
What is (TRIETHYLSILYL)ACETYLENE?
Chemical properties
Clear colorless to faintly yellow liquid
The Uses of (TRIETHYLSILYL)ACETYLENE
(Triethylsilyl)acetylene may be used in the synthesis of triethylsilylethynyl anthradithiophenes, such as :
- 2,8-dimethyl-5,11-bis(triethylsilylethynyl)ADT (ADT= anthradithiophene)
- 2,8-diethyl-5,11-bis(triethylsilylethynyl)ADT
- 2,8-dipropyl-5,11-bis(triethylsilylethynyl)ADT
What are the applications of Application
(Triethylsilyl)acetylene is a large, trialkylsilyl-protected terminal alkyne
General Description
(Triethylsilyl)acetylene, a bulky trialkylsilyl-protected alkyne, undergoes Cadiot-Chodkiewicz cross-coupling reaction with various bromoalkynes to yield synthetically useful unsymmetrical diynes. Rhodium-catalyzed dimerization of (triethylsilyl)acetylene has been reported.
Properties of (TRIETHYLSILYL)ACETYLENE
| Melting point: | 95-97 °C(Solv: chloroform (67-66-3); hexane (110-54-3)) |
| Boiling point: | 136 °C |
| Density | 0.783 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 63 °F |
| storage temp. | Flammables area |
| form | liquid |
| Specific Gravity | 0.783 |
| color | colorless |
| Hydrolytic Sensitivity | 4: no reaction with water under neutral conditions |
| BRN | 1743814 |
| CAS DataBase Reference | 1777-03-3(CAS DataBase Reference) |
Safety information for (TRIETHYLSILYL)ACETYLENE
| 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. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for (TRIETHYLSILYL)ACETYLENE
New Products
DL-beta-(3-Bromophenyl)alanine Tetrabutylammonium perchlorate N,O-Dimethylhydroxylamine hydrochloride (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) N,N CARBONYL DIIMIDAZOLE Levothyroxine Impurity-F Montelukast EP Impurity-D/Montelukast USP Related Compound C Atorvastatin FXA Impurity/Atorvastatin Cyclic 6-Hydroxy Impurity Sodium Salt Isosulfan blue Keto N-Oxide Impurity Ivermectin Impurity F N-Nitroso des Methyl Tramadol/N-Nitroso-N-Desmethyl-Tramadol (R)-BoroLeu-(+)-Pinanediol-CF3COOH 1,4-bis(methylsulfonyl)butane 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzene CSA (DL-10-Camphorsulfonic Acid) 2-Hydroxy-4-methylnicotinic acid 3-iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine (2S)-1-((2S,3S)-3-(2-methylbutyl)-4-oxooxetan-2-yl)pentadecan-2-yl formylleucinate 1-(3,5-dichlorophenyl)-2,2,2-trifluoroethane-1-sulfonyl chloride S-(1-(3,5-dichlorophenyl)-2,2,2-trifluoroethyl) ethanethioateRelated products of tetrahydrofuran
![1,6-BIS-(TRIISOPROPYLSILYL)-3,4-BIS[2-(TRIISOPROPYLSILYL)ETHYNYL]-3-HEXEN-1,5-DIYNE](https://img.chemicalbook.in/StructureFile/ChemBookStructure7/GIF/CB8278162.gif)
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