Trimethylsilylacetylene, 98%
Synonyms: Ethynyltrimethylsilane · (Trimethylsilyl)acetylene · ethynyl-trimethyl-silane · Silane, ethynyltrimethyl-
Trimethylsilylacetylene (CAS 1066-54-2) – organosilicon compound, Puriss grade, 98%. C5H10Si, MW 98.22. Request a quote: COA, bulk packs and worldwide export.
About Trimethylsilylacetylene, 98%
Vaqora Chemicals supplies Trimethylsilylacetylene in Puriss grade, an organosilicon compound registered under CAS number 1066-54-2 at a purity of 98%. Its molecular formula is C5H10Si and its molecular weight is 98.22 g/mol. Its systematic (IUPAC) name is ethynyl(trimethyl)silane. Alternative names: Ethynyltrimethylsilane and (Trimethylsilyl)acetylene.
In its supplied form it is a colourless liquid. Key physical data: a density of 0.709 g/cm3. Recommended storage is at 2–8 °C, with the container kept tightly sealed. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.
Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.
Available in 1 g, 5 g, 25 g and 100 g packs, Trimethylsilylacetylene is dispatched with a Certificate of Analysis (COA) to destinations worldwide.
Specifications & identifiers
| Product name | Trimethylsilylacetylene, 98% |
|---|---|
| Catalogue No. | VQ-011165 |
| CAS Number | 1066-54-2 |
| IUPAC name | ethynyl(trimethyl)silane |
| Molecular formula | C5H10Si |
| Molecular weight | 98.22 g/mol |
| Exact mass | 98.0552 |
| Grade | Puriss |
| Purity / assay | 98% |
| HSN code | 29319000 |
| InChIKey | CWMFRHBXRUITQE-UHFFFAOYSA-N |
| SMILES | C[Si](C)(C)C#C |
| PubChem CID | 66111 |
| Physical form | Liquid |
|---|---|
| Appearance | Colourless liquid |
| Density | 0.709 g/cm3 |
| H-bond donors / acceptors | 0 / 0 |
| TPSA | 0 Ų |
| Storage | 2–8 °C |
| Synonyms | Ethynyltrimethylsilane, (Trimethylsilyl)acetylene, ethynyl-trimethyl-silane, Silane, ethynyltrimethyl-, trimethylsilyl acetylene, TMS-acetylene, trimethylsilylethyne, Trimethylethynylsilane, (Trimethylsilyl)ethyne, TMS acetylene, 1-(Trimethylsilyl)acetylene, trimethylsilanylethyne |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H225Highly flammable liquid and vaporH315Causes skin irritationH318Causes serious eye damageH319Causes serious eye irritationH335May 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, P305 + P354 + P338, P317, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Trimethylsilylacetylene, 98%?
The CAS Registry Number of Trimethylsilylacetylene, 98% is 1066-54-2. It is also known as Ethynyltrimethylsilane, (Trimethylsilyl)acetylene, ethynyl-trimethyl-silane.
What is the molecular formula and molecular weight of Trimethylsilylacetylene, 98%?
Trimethylsilylacetylene, 98% has the molecular formula C5H10Si and a molecular weight of 98.22 g/mol. Its IUPAC name is ethynyl(trimethyl)silane.
Which grade and pack sizes of Trimethylsilylacetylene, 98% can I order?
We supply Trimethylsilylacetylene, 98% in Puriss (98%) grade, in 1 g, 5 g, 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Trimethylsilylacetylene, 98%?
Yes. Every lot of Trimethylsilylacetylene, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Trimethylsilylacetylene, 98% be shipped internationally?
Yes. Trimethylsilylacetylene, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
How should Trimethylsilylacetylene, 98% be stored?
2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.
Enquire about Trimethylsilylacetylene, 98%
We reply within one business day with price, pack options, lead time and documentation.