≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
3-Trimethylsiloxy-1-propyne is an organosilicon compound. It is reported as silylated acetylenic monomer and its polymerizability has been studied in the presence of combined catalyst iron(III) propanoate-triethylaluminium.N2 laser light-induced aerosol particle formation from 3-trimethylsiloxy-1-propyne and acrolein has been reported.The infrared laser-photosensitized (SF6) decomposition of trimethyl(2-propynyloxy)silane is reported to afford a multitude of unsaturated hydrocarbons and a solid polydimethylsiloxane phase.
3-Trimethylsiloxy-1-propyne may be used in the synthesis of polytrialkylsiloxy-substituted macromolecules.It may be utilized in the preparation of functionalized 4-enynes and 1,4-dienes.
| Canonical Smiles | C[Si](C)(C)OCC#C |
|---|---|
| IUPAC Name | trimethyl(prop-2-ynoxy)silane |
| InChIKey | ZZRPJWCNCLSOLR-UHFFFAOYSA-N |
| INCHI | 1S/C6H12OSi/c1-5-6-7-8(2,3)4/h1H,6H2,2-4H3 |
| Isomeric SMILES | C[Si](C)(C)OCC#C |
| WGK Germany | 3 |
| UN Number | 1993 |
| Packing Group | II |
| Molecular Weight | 128.24 |
| Beilstein | 2036793 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organometallic compounds |
| Class | Organometalloid compounds |
| Subclass | Organosilicon compounds |
| Intermediate Tree Nodes | Organoheterosilanes |
| Direct Parent | Trialkylheterosilanes |
| Alternative Parents | Silyl ethers Organic metalloid salts Acetylides Organooxygen compounds Hydrocarbon derivatives |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Trialkylheterosilane - Silyl ether - Acetylide - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organooxygen compound - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as trialkylheterosilanes. These are organoheterosilanes, bearing a silicon atom linked to three alkyl groups and one heteroatom. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 J2517641 | Certificate of Analysis | Sep 24, 2025 | T113996 |
| J2517642 | Certificate of Analysis | Sep 24, 2025 | T113996 |
| J2517643 | Certificate of Analysis | Sep 24, 2025 | T113996 |
| C2525063 | Certificate of Analysis | Apr 08, 2025 | T113996 |
| E23081200 | Certificate of Analysis | Apr 02, 2025 | T113996 |
| E23081190 | Certificate of Analysis | Jan 22, 2025 | T113996 |
| E23081360 | Certificate of Analysis | Jan 22, 2025 | T113996 |
| L2413080 | Certificate of Analysis | Apr 01, 2023 | T113996 |
| Sensitivity | Moisture Sensitive |
|---|---|
| Refractive Index | 1.408 |
| Flash Point(°F) | 46.4 °F |
| Flash Point(°C) | 8 °C |
| Boil Point(°C) | 52°C |
| Molecular Weight | 128.240 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 2 |
| Exact Mass | 128.066 Da |
| Monoisotopic Mass | 128.066 Da |
| Topological Polar Surface Area | 9.200 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 103.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
