(2S,3S)-(-)-Bis(diphenylphosphino)butane

(2S,3S)-(-)-双(二苯基膦)丁烷

Also known as: (S,S)-Chiraphos, (2S,3S)-(-)-2,3-Bis(diphenylphosphino)butane, (2S,3S)-2,3-Butanediylbis(diphenylphosphine), (2S,3S)-Butane-2,3-diylbis(diphenylphosphine), Chiraphos, bis(diphenylphosphino)-2,3 butane, MFCD00009836

(2S,3S)-(-)-Bis(diphenylphosphino)butane (CAS 64896-28-2) 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 426.469 g/mol. It is also known as (S,S)-Chiraphos, (2S,3S)-(-)-2,3-Bis(diphenylphosphino)butane and (2S,3S)-2,3-Butanediylbis(diphenylphosphine). Key properties include a melting point of 104-109ºC, a boiling point of 529.2±33.0 °C at 760 mmHg and a flash point of 291.1±31.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 64896-28-2
Jingsj CID: J-28819-8
Molecular Formula: C₂₈H₂₈P₂
Chinese Name: (2S,3S)-(-)-双(二苯基膦)丁烷
Molecular Weight: 426.469 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	104-109ºC
Boiling Point	529.2±33.0 °C at 760 mmHg
Flash Point	291.1±31.7 °C

Frequently Asked Questions

What is the CAS number of (2S,3S)-(-)-Bis(diphenylphosphino)butane?

The CAS number of (2S,3S)-(-)-Bis(diphenylphosphino)butane is 64896-28-2.

What are the molecular formula and molecular weight of (2S,3S)-(-)-Bis(diphenylphosphino)butane?

(2S,3S)-(-)-Bis(diphenylphosphino)butane has molecular formula C28H28P2 and molecular weight 426.469 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(2S,3S)-(-)-Bis(diphenylphosphino)butane (CAS 64896-28-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28819-8 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.