三甲基甲硅烷基乙炔，CAS 登记号 1066-54-2，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Trimethylsilylacetylene · CAS 1066-54-2 · C5H10Si. UNII J82T3C3BGV. Vapor Pressure: 224.0 [mmHg].
| CAS Registry Number | 1066-54-2 |
|---|---|
| PubChem CID | 66111 |
| Molecular formula | C5H10Si |
| IUPAC name | ethynyl(trimethyl)silane |
| UNII (FDA) | J82T3C3BGV |
| Molecular Weight | 98.22 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 1 |
| Exact Mass | 98.055176853 |
| Monoisotopic Mass | 98.055176853 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 77.8 |
| Vapor Pressure | 224.0 [mmHg] |
|---|
| Reported hazard statements | H225 (72.1%), H315 (79.1%), H318 (25.6%), H319 (53.5%), H335 (52.3%) |
|---|
H225 (72.1%): Highly Flammable liquid and vapor [Danger Flammable liquids]
H315 (79.1%): Causes skin irritation [Warning Skin corrosion/irritation]
Ethynyltrimethylsilane; Trimethylsilylacetylene; 1066-54-2; (Trimethylsilyl)acetylene; ethynyl(trimethyl)silane; ethynyl-trimethyl-silane; Silane, ethynyltrimethyl-; trimethylsilyl acetylene; TMS-acetylene; trimethylsilylethyne; Trimethylethynylsilane; (Trimethylsilyl)ethyne; TMS acetylene; C5H10Si; 1-(Trimethylsilyl)acetylene; trimethylsilanylethyne
CAS 1066-54-2; molecular formula C5H10Si; molecular weight — g/mol.
Ethynyltrimethylsilane, Trimethylsilylacetylene, 1066-54-2, (Trimethylsilyl)acetylene, ethynyl(trimethyl)silane, ethynyl-trimethyl-silane.
Hazard statements reported: H225, H315, H318, H319, H335.
Vapor Pressure: 224.0 [mmHg].
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.