tetrakis(dimethylsilyl)silane
Also known as: TETRAKIS(DIMETHYLSILYL)SILANE, Tetrakis(dimethylsilyl)silane, Tetrakis-dimethylsilyl-silan, 2,2-Bis(dimethylsilyl)-1,1,3,3-tetramethyltrisilane, Trisilane, 2,2-bis(dimethylsilyl)-1,1,3,3-tetramethyl-
tetrakis(dimethylsilyl)silane (CAS 2003-85-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H28Si5 and a molecular weight of 264.735 g/mol. Key properties include a melting point of 21 °C, a boiling point of 206.7±23.0 °C at 760 mmHg and a flash point of 78.8±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2003-85-2
- Jingsj CID
- J-617-7
- Molecular Formula
- C8H28Si5
- Molecular Weight
- 264.735 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 21 °C |
|---|---|
| Boiling Point | 206.7±23.0 °C at 760 mmHg |
| Flash Point | 78.8±22.6 °C |
| Exact Mass | 264.103729 |
| LogP | 8.84 |
| Vapor Pressure | 0.3±0.4 mmHg at 25°C |
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 tetrakis(dimethylsilyl)silane?
The CAS number of tetrakis(dimethylsilyl)silane is 2003-85-2.
What are the molecular formula and molecular weight of tetrakis(dimethylsilyl)silane?
tetrakis(dimethylsilyl)silane has molecular formula C8H28Si5 and molecular weight 264.735 g/mol.
What are the upstream and downstream products of tetrakis(dimethylsilyl)silane?
For tetrakis(dimethylsilyl)silane, Upstream Products: tetrakis(trimethylsilyl)silane; Downstream Products: tetrakis(trimethylsilyl)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. "tetrakis(dimethylsilyl)silane (CAS 2003-85-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-617-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.