C5H10Si
98.22 g/mol
Pharmaceutical IntermediateDanger
Ethynyltrimethylsilane
CAS1066-54-2EC213-919-9
Category
Pharmaceutical Intermediate
Compound Class
Organometallic
Primary Use
Pharmaceutical Intermediate
Ethynyltrimethylsilane is a silyl-protected terminal alkyne building block widely used in pharmaceutical intermediate manufacturing. Its conserved structure enables selective chemical transformations in research and industrial synthesis.
Pharmaceutical intermediate building blockReagent for alkyne coupling reactionsProtecting group for terminal alkynes in organic synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 1066-54-2
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Safety Reference
Danger
H225Highly flammable liquid and vapour
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name
ethynyl(trimethyl)silane
InChIKey
CWMFRHBXRUITQE-UHFFFAOYSA-N
SMILES
C[Si](C)(C)C#C
Synonyms (26)
- TMSA
- (Trimethylsilyl)acetylene-d
- (trimethylsily)acetylene
- 1-(Trimethylsilyl)acetylene
- 1-Trimethylsilylethyne
- 1-ethynyl(trimethyl)silane
- 2-trimethylsilylacetylene
- Acetylene, trimethylsilyl-
- Ethyne,-trimethylsilyl
- Ethynyltrimethylsilane
- Silane, ethynyltrimethyl-
- Silane, trimethyl-, ethynyl-
- TMS acetylene
- Trimethylethynylsilane
- Trimethylsilylacetylene
- Trimetylsilylacetylene
- ethinyltrimethylsilane
- ethynyitrimethylsilane
- tms-acetylide
- trimethlysilylacetylene
- trimethylsilanylacetylene
- trimethylsilanylethyne
- trimethylsilyl acetylide
- trimethylsilylacetylen
- trimethylsilylethyne
- trimethysilyl acetylene