Triphenylsilane
Also known as: Triphenylhydrosilane, Silane, triphenyl-, Tri(phenyl)silicon, Triphenylsilaneminoffwhitepowder, Triphenysilane
Triphenylsilane (CAS 789-25-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H16Si and a molecular weight of 260.405 g/mol. Key properties include a melting point of 43-45 °C(lit.), a boiling point of 347.1±15.0 °C at 760 mmHg and a flash point of 156.1±13.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 789-25-3
- Jingsj CID
- J-38797-3
- Molecular Formula
- C18H16Si
- Molecular Weight
- 260.405 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 43-45 °C(lit.) |
|---|---|
| Boiling Point | 347.1±15.0 °C at 760 mmHg |
| Flash Point | 156.1±13.7 °C |
| Exact Mass | 260.102112 |
| LogP | 7.01 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.618 (20ºC) |
| Additional Property | REACTS |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 29310095 |
|---|
Frequently Asked Questions
What is the CAS number of Triphenylsilane?
The CAS number of Triphenylsilane is 789-25-3.
What are the molecular formula and molecular weight of Triphenylsilane?
Triphenylsilane has molecular formula C18H16Si and molecular weight 260.405 g/mol.
Is Triphenylsilane hazardous?
Triphenylsilane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Triphenylsilane?
For Triphenylsilane, Upstream Products: Trichlorosilane, Iodobenzene, Diphenylsilane; Downstream Products: Benzene,1-methyl-4-[(4-methylphenyl)methyl]-, Triphenylsilanethiol, Anisole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triphenylsilane (CAS 789-25-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38797-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.