(2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane
(2R,3R)-(+)-双(二苯基膦)丁烷
Also known as: (R,R)-CHIRAPHOS, (R,R)-Chiraphos, (2R,3R)-(+)-Bis(diphenylphosphino)butane, (2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane (R,R)-CHIRAPHOS, (R,R)-2,3-bis(diphenylphosphanyl)butane, bis(diphenylphosphino)-1,2-dimethylethane, (2R,3R)-2,3-Bis(diphenylphosphino)butan
(2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane (CAS 74839-84-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C28H28P2 and a molecular weight of 426.46900 g/mol. It is also known as (R,R)-CHIRAPHOS, (R,R)-Chiraphos and (2R,3R)-(+)-Bis(diphenylphosphino)butane. Key properties include a melting point of 104-109ºC, a boiling point of 529.2ºC at 760 mmHg and a flash point of 291.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 74839-84-2
- Jingsj CID
- J-1360300-3
- Molecular Formula
- C28H28P2
- Chinese Name
- (2R,3R)-(+)-双(二苯基膦)丁烷
- Molecular Weight
- 426.46900 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 104-109ºC |
|---|---|
| Boiling Point | 529.2ºC at 760 mmHg |
| Flash Point | 291.2ºC |
Frequently Asked Questions
What is the CAS number of (2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane?
The CAS number of (2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane is 74839-84-2.
What are the molecular formula and molecular weight of (2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane?
(2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane has molecular formula C28H28P2 and molecular weight 426.46900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane (CAS 74839-84-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360300-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.