1,1,1-tris(diphenylphosphinomethyl)ethane
1,1,1-三(二苯基膦甲基)乙烷
Also known as: Triphos, 1,3-bis(diphenylphosphino)-2-(diphenylphosphino)methyl-2-methylpropane, 2,2-bis(diphenylphosphinomethyl)-1-(diphenylphosphino)propane, 2-methyl-2-(diphenylphosphinomethyl)-1,3-bis(diphenylphosphino)propane, MFCD00014084, NSC 158168
1,1,1-tris(diphenylphosphinomethyl)ethane (CAS 22031-12-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C41H39P3 and a molecular weight of 624.67000 g/mol. It is also known as Triphos, 1,3-bis(diphenylphosphino)-2-(diphenylphosphino)methyl-2-methylpropane and 2,2-bis(diphenylphosphinomethyl)-1-(diphenylphosphino)propane. Key properties include a melting point of 99-102ºC(lit.), a boiling point of 709.9ºC at 760 mmHg, a density of 1.19 and a flash point of 409.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22031-12-5
- Jingsj CID
- J-18311-4
- Molecular Formula
- C41H39P3
- Chinese Name
- 1,1,1-三(二苯基膦甲基)乙烷
- Molecular Weight
- 624.67000 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 99-102ºC(lit.) |
|---|---|
| Boiling Point | 709.9ºC at 760 mmHg |
| Density | 1.19 |
| Flash Point | 409.6ºC |
Frequently Asked Questions
What is the CAS number of 1,1,1-tris(diphenylphosphinomethyl)ethane?
The CAS number of 1,1,1-tris(diphenylphosphinomethyl)ethane is 22031-12-5.
What are the molecular formula and molecular weight of 1,1,1-tris(diphenylphosphinomethyl)ethane?
1,1,1-tris(diphenylphosphinomethyl)ethane has molecular formula C41H39P3 and molecular weight 624.67000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1,1-tris(diphenylphosphinomethyl)ethane (CAS 22031-12-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18311-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.