Triisopropylsilylacetylene
Also known as: (Triisopropylsilyl)acetylene, Ethynyltriisopropylsilane, Ethynyl(triisopropyl)silane, Silane, ethynyltris(1-methylethyl)-, ethynyl-tri(propan-2-yl)silane, triisopropylsilylethyne, MFCD00075452
Triisopropylsilylacetylene (CAS 89343-06-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H22Si and a molecular weight of 182.378 g/mol. Key properties include a boiling point of 230.7±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 56.1±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 89343-06-6
- Jingsj CID
- J-27158-9
- Molecular Formula
- C11H22Si
- Molecular Weight
- 182.378 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 230.7±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 56.1±0.0 °C |
| Exact Mass | 182.149078 |
| LogP | 4.79 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.429 |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Triisopropylsilylacetylene?
The CAS number of Triisopropylsilylacetylene is 89343-06-6.
What are the molecular formula and molecular weight of Triisopropylsilylacetylene?
Triisopropylsilylacetylene has molecular formula C11H22Si and molecular weight 182.378 g/mol.
What are the upstream and downstream products of Triisopropylsilylacetylene?
For Triisopropylsilylacetylene, Upstream Products: Chlorotriisopropylsilane, Acetylene, Bromoethane; Downstream Products: 6,13-Bis(triisopropylsilylethynyl)pentacene, Triisopropyl(1-propyn-1-yl)silane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triisopropylsilylacetylene (CAS 89343-06-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27158-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.