(S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl

(S)-(-)-2,2-双(二对甲苯基膦)-1,1-二联萘

Also known as: (S)-(-)-TolBINAP, (-)-TOL-BINAP, (S)-TOL-BINAP, Phosphine, (1S)-[1,1'-binaphthalene]-2,2'-diylbis[bis(4-methylphenyl)-, (S)-(-)-2,2'-Bis(di-p-tolylphosphino)-1,1'-binaphthyl, 1,1'-Binaphthalene-2,2'-diylbis[bis(4-methylphenyl)phosphine]

(S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl (CAS 100165-88-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C48H40P2 and a molecular weight of 678.779 g/mol. It is also known as (S)-(-)-TolBINAP, (-)-TOL-BINAP and (S)-TOL-BINAP. Key properties include a melting point of 252-256 °C, a boiling point of 754.4±60.0 °C at 760 mmHg and a flash point of 438.8±39.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 100165-88-6
Jingsj CID: J-49268-9
Molecular Formula: C₄₈H₄₀P₂
Chinese Name: (S)-(-)-2,2-双(二对甲苯基膦)-1,1-二联萘
Molecular Weight: 678.779 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	252-256 °C
Boiling Point	754.4±60.0 °C at 760 mmHg
Flash Point	438.8±39.2 °C

Frequently Asked Questions

What is the CAS number of (S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl?

The CAS number of (S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl is 100165-88-6.

What are the molecular formula and molecular weight of (S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl?

(S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl has molecular formula C48H40P2 and molecular weight 678.779 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. "(S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl (CAS 100165-88-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49268-9 (accessed 2026-10-23).

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