(S)-(-)-2,2'-Bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl

(S)-(-)-2,2'-双(二苯基膦基)-5,5',6,6',7,7',8,8'-八氢-1,1'-联萘

Also known as: (S)-H8-BINAP, 5,5',6,6',7,7',8,8'-Octahydro-1,1'-binaphthalene-2,2'-diylbis(diphenylphosphine), [(1S)-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalene]-2,2'-diyl]bis[diphenylphosphine], MFCD01630795

(S)-(-)-2,2'-Bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl (CAS 139139-93-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C44H40P2 and a molecular weight of 630.73600 g/mol. It is also known as (S)-H8-BINAP, 5,5',6,6',7,7',8,8'-Octahydro-1,1'-binaphthalene-2,2'-diylbis(diphenylphosphine) and [(1S)-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalene]-2,2'-diyl]bis[diphenylphosphine]. Key properties include a melting point of 207-208 °C, a boiling point of 745.626ºC at 760 mmHg and a flash point of 433.022ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
139139-93-8
Jingsj CID
J-1964441-9
Molecular Formula
C44H40P2
Chinese Name
(S)-(-)-2,2'-双(二苯基膦基)-5,5',6,6',7,7',8,8'-八氢-1,1'-联萘
Molecular Weight
630.73600 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point207-208 °C
Boiling Point745.626ºC at 760 mmHg
Flash Point433.022ºC

Frequently Asked Questions

What is the CAS number of (S)-(-)-2,2'-Bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl?

The CAS number of (S)-(-)-2,2'-Bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl is 139139-93-8.

What are the molecular formula and molecular weight of (S)-(-)-2,2'-Bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl?

(S)-(-)-2,2'-Bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl has molecular formula C44H40P2 and molecular weight 630.73600 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)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl (CAS 139139-93-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1964441-9 (accessed 2026-10-23).

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