Hexaphenylcyclotrisiloxane
Also known as: 2,2,4,4,6,6-Hexaphenyl-1,3,5,2,4,6-trioxatrisilinane, 2,2,4,4,6,6-hexakis-phenyl-1,3,5,2,4,6-trioxatrisilinane, Cyclotrisiloxane, 2,2,4,4,6,6-hexaphenyl-, Cyclotrisiloxane, hexaphenyl-, EINECS 208-145-3, MFCD00023110
Hexaphenylcyclotrisiloxane (CAS 512-63-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C36H30O3Si3 and a molecular weight of 594.878 g/mol. Key properties include a melting point of 184-188 °C(lit.), a boiling point of 593.3±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 251.5±23.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 512-63-0
- Jingsj CID
- J-4629-7
- Molecular Formula
- C36H30O3Si3
- Molecular Weight
- 594.878 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 184-188 °C(lit.) |
|---|---|
| Boiling Point | 593.3±23.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 251.5±23.0 °C |
| Exact Mass | 594.150269 |
| PSA | 27.69000 |
| LogP | 3.81960 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.652 |
Customs & Trade Information
| HS Code | 2902909090 |
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Hexaphenylcyclotrisiloxane?
The CAS number of Hexaphenylcyclotrisiloxane is 512-63-0.
What are the molecular formula and molecular weight of Hexaphenylcyclotrisiloxane?
Hexaphenylcyclotrisiloxane has molecular formula C36H30O3Si3 and molecular weight 594.878 g/mol.
What are the upstream and downstream products of Hexaphenylcyclotrisiloxane?
For Hexaphenylcyclotrisiloxane, Upstream Products: Dichlorodiphenylsilane, 1,1,3,3-Tetraphenyl-1,3-disiloxanediol, Diphenylsilanediol; Downstream Products: 4-Nitrobiphenyl, Diphenylsilanediol, Tetrachlorosilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Hexaphenylcyclotrisiloxane (CAS 512-63-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4629-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.