Bis(trimethylsilyl)acetylene, 99%
Order Bis(trimethylsilyl)acetylene, 99% (CAS 14630-40-1) online at Zemixal: C8H18Si2, COA and SDS with every lot, worldwide shipping.
About Bis(trimethylsilyl)acetylene, 99%
Bis(trimethylsilyl)acetylene, 99% is part of the Zemixal organosilicon Compounds & Silanes range. Identity at a glance (99%): CAS 14630-40-1, formula C8H18Si2 and molar mass 170.4 g/mol. Typical appearance is colourless or white solid to liquid.
Typical applications
- Organic synthesis
- API synthesis
Safe handling
Store at 2–8 °C. Reported physical data: melting point 21-24 °C. It carries the GHS signal word Danger (H225, H226, H315 and H319), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 10 g, 50 g and 1 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Organic synthesis
- API synthesis
Applications
Specifications and identifiers
| Product name | Bis(trimethylsilyl)acetylene, 99% |
|---|---|
| Catalogue number | ZX-010169 |
| CAS number | 14630-40-1 |
| IUPAC name | trimethyl(2-trimethylsilylethynyl)silane |
| Molecular formula | C8H18Si2 |
| Molar mass | 170.4 g/mol |
| Exact mass | 170.0947 |
| Purity / assay | 99% |
| Physical form | Liquid |
| Appearance | Colourless or white solid to liquid |
| Melting point | 21-24 °C |
| H-bond donors / acceptors | 0 / 0 |
| Topological polar surface area | 0 Ų |
| Storage | 2–8 °C |
| HS code | 29319090 |
| InChIKey | ZDWYFWIBTZJGOR-UHFFFAOYSA-N |
| SMILES | C[Si](C)(C)C#C[Si](C)(C)C |
| PubChem CID | 84564 |
| Synonyms | BTMSA, Silane, 1,2-ethynediylbis[trimethyl-, ethyne-1,2-diylbis(trimethylsilane), Silane, 1,1'-(1,2-ethynediyl)bis[1,1,1-trimethyl-, Silane, 1,2-ethynediylbis(trimethyl-, Silane, 1,1'-(1,2-ethynediyl)bis(1,1,1-trimethyl-, Silane, 1,2ethynediylbis(trimethyl, Silane, 1,1'(1,2ethynediyl)bis(1,1,1trimethyl, 1,2-Bis(trimethylsilyl)ethyne, 1,2-bis-trimethylsilanyl-ethyne, trimethyl[2-(trimethylsilyl)ethynyl]silane, 2,5-Disilahex-3-yne, 2,2,5,5-tetramethyl- |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H225Highly flammable liquid and vapor
- H226Flammable liquid and vapor
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P271, P280, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P403 + P235, P405
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 10 g | Quoted on request | |
| 50 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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