Triphenylphosphine selenide
硒化三苯膦
Also known as: Triphenylphosphine selenide, Phosphine selenide, triphenyl-, Triphenylphosphinselenid, triphenyl(selanylidene)-lambda5-phosphane, triphenyl-phosphineselenid, NSC 17103, EINECS 223-406-1
Triphenylphosphine selenide (CAS 3878-44-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H16PSe and a molecular weight of 341.246 g/mol. It is also known as Phosphine selenide, triphenyl-, Triphenylphosphinselenid and triphenyl(selanylidene)-lambda5-phosphane. Key properties include a melting point of 186-188ºC, a boiling point of 448.6±28.0 °C at 760 mmHg and a flash point of 225.1±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3878-44-2
- Jingsj CID
- J-35395-5
- Molecular Formula
- C18H16PSe
- Chinese Name
- 硒化三苯膦
- Molecular Weight
- 341.246 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 186-188ºC |
|---|---|
| Boiling Point | 448.6±28.0 °C at 760 mmHg |
| Flash Point | 225.1±24.0 °C |
Frequently Asked Questions
What is the CAS number of Triphenylphosphine selenide?
The CAS number of Triphenylphosphine selenide is 3878-44-2.
What are the molecular formula and molecular weight of Triphenylphosphine selenide?
Triphenylphosphine selenide has molecular formula C18H16PSe and molecular weight 341.246 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triphenylphosphine selenide (CAS 3878-44-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35395-5 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.