(S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane

(S)-7,7'-双[二(对甲基苯基)膦基]-1,1'-螺二氢茚

Also known as: (S)-(-)-7,7′-Bis[di(4-methylphenyl)phosphino]-2,2′,3,3′-tetrahydro-1,1′-spirobiindene, (S)-Tol-SDP, 1,1'-[(1S)-2,2',3,3'-Tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diyl]bis[1,1-bis(4-methylphenyl)phosphine, Phosphine, 1,1'-[(1S)-2,2',3,3'-tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diyl]bis[1,1-bis(4-methylphenyl)-

(S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane (CAS 817176-80-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C45H42P2 and a molecular weight of 644.76300 g/mol. It is also known as (S)-(-)-7,7′-Bis[di(4-methylphenyl)phosphino]-2,2′,3,3′-tetrahydro-1,1′-spirobiindene, (S)-Tol-SDP and 1,1'-[(1S)-2,2',3,3'-Tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diyl]bis[1,1-bis(4-methylphenyl)phosphine. Key properties include a melting point of 150-152°C and a boiling point of 722.0±60.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
817176-80-0
Jingsj CID
J-1520557-5
Molecular Formula
C45H42P2
Chinese Name
(S)-7,7'-双[二(对甲基苯基)膦基]-1,1'-螺二氢茚
Molecular Weight
644.76300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point150-152°C
Boiling Point722.0±60.0 °C

Frequently Asked Questions

What is the CAS number of (S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane?

The CAS number of (S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane is 817176-80-0.

What are the molecular formula and molecular weight of (S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane?

(S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane has molecular formula C45H42P2 and molecular weight 644.76300 g/mol.

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

Last updated:

How to cite: Jingsj. "(S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane (CAS 817176-80-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520557-5 (accessed 2026-10-25).

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