(S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl

(S)-(-)-1,1'-联萘-2,2'-双二苯膦

Also known as: (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthalene, (S)-BINAP, (S)-(-)-BINAP, 1,1'-Binaphthalene-2,2'-diylbis(diphenylphosphine), Phosphine, 1,1'-[1,1'-binaphthalene]-2,2'-diylbis[1,1-diphenyl-

(S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl (CAS 76189-56-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C44H32P2 and a molecular weight of 622.67 g/mol. It is also known as (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthalene, (S)-BINAP and (S)-(-)-BINAP. Key properties include a melting point of 239-242ºC, a boiling point of 724.3±55.0 °C at 760 mmHg and a flash point of 419.0±37.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
76189-56-5
Jingsj CID
J-7730-7
Molecular Formula
C44H32P2
Chinese Name
(S)-(-)-1,1'-联萘-2,2'-双二苯膦
Molecular Weight
622.67 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point239-242ºC
Boiling Point724.3±55.0 °C at 760 mmHg
Flash Point419.0±37.8 °C

Frequently Asked Questions

What is the CAS number of (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl?

The CAS number of (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl is 76189-56-5.

What are the molecular formula and molecular weight of (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl?

(S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl has molecular formula C44H32P2 and molecular weight 622.67 g/mol.

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

Last updated:

How to cite: Jingsj. "(S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl (CAS 76189-56-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7730-7 (accessed 2026-10-23).

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