trans-1,2-bis(diphenylphosphino)ethylene
反-1,2-双(二苯基膦基)乙烯
Also known as: trans-1,2-bis(diphenylphosphino)ethene, (E)-1,2-bis(diphenylphosphino)ethene, (E)-1,2-ethenediylbis(diphenylphosphine), trans-vinylenebis(diphenylphosphine), NSC 132587, MFCD00063219, (E)-ethene-1,2-diylbis(diphenylphosphine), trans-dppen
trans-1,2-bis(diphenylphosphino)ethylene (CAS 983-81-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C26H22P2 and a molecular weight of 396.40000 g/mol. It is also known as trans-1,2-bis(diphenylphosphino)ethene, (E)-1,2-bis(diphenylphosphino)ethene and (E)-1,2-ethenediylbis(diphenylphosphine). Key properties include a melting point of 126-130 °C(lit.), a boiling point of 546.8ºC at 760 mmHg and a flash point of 302.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 983-81-3
- Jingsj CID
- J-9219-1
- Molecular Formula
- C26H22P2
- Chinese Name
- 反-1,2-双(二苯基膦基)乙烯
- Molecular Weight
- 396.40000 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 126-130 °C(lit.) |
|---|---|
| Boiling Point | 546.8ºC at 760 mmHg |
| Flash Point | 302.7ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of trans-1,2-bis(diphenylphosphino)ethylene?
The CAS number of trans-1,2-bis(diphenylphosphino)ethylene is 983-81-3.
What are the molecular formula and molecular weight of trans-1,2-bis(diphenylphosphino)ethylene?
trans-1,2-bis(diphenylphosphino)ethylene has molecular formula C26H22P2 and molecular weight 396.40000 g/mol.
Is trans-1,2-bis(diphenylphosphino)ethylene hazardous?
trans-1,2-bis(diphenylphosphino)ethylene has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "trans-1,2-bis(diphenylphosphino)ethylene (CAS 983-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9219-1 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.