1,1,1,5,5,5-Hexamethyltrisiloxane
Also known as: Bis(trimethylsilyloxy)silicon, Trisiloxane, 1,1,1,5,5,5-hexamethyl-, 2,2,6,6-Tetramethyl-2,4,6-trisila-3,5-dioxaheptane
1,1,1,5,5,5-Hexamethyltrisiloxane (CAS 93254-88-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H18O2Si3 and a molecular weight of 208.478 g/mol. Key properties include a boiling point of 148.2±23.0 °C at 760 mmHg, a density of 0.819 g/cm3 and a flash point of 43.4±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 93254-88-7
- Jingsj CID
- J-1497969-2
- Molecular Formula
- C6H18O2Si3
- Molecular Weight
- 208.478 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 148.2±23.0 °C at 760 mmHg |
|---|---|
| Density | 0.819 g/cm3 |
| Flash Point | 43.4±22.6 °C |
| Exact Mass | 208.077103 |
| PSA | 18.46000 |
| LogP | 1.68820 |
| Vapor Pressure | 5.4±0.3 mmHg at 25°C |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,1,1,5,5,5-Hexamethyltrisiloxane?
The CAS number of 1,1,1,5,5,5-Hexamethyltrisiloxane is 93254-88-7.
What are the molecular formula and molecular weight of 1,1,1,5,5,5-Hexamethyltrisiloxane?
1,1,1,5,5,5-Hexamethyltrisiloxane has molecular formula C6H18O2Si3 and molecular weight 208.478 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1,1,5,5,5-Hexamethyltrisiloxane (CAS 93254-88-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497969-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.