(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole

(R)-(+)-5,5'-双[二(3,5-二甲苯基)膦]-4,4'-二-1,3-苯并二氧杂环戊烯

Also known as: (R)-DM-SEGPHOS, (R)-(+)-DM-SEGPHOS, DM-SEGPHOS, 1,1'-[(4R)-[4,4'-Bi-1,3-benzodioxole]-5,5'-diyl]bis[1,1-bis(3,5-dimethylphenyl)phosphine], MFCD09753008

(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole (CAS 850253-53-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C46H44O4P2 and a molecular weight of 722.78700 g/mol. It is also known as (R)-DM-SEGPHOS, (R)-(+)-DM-SEGPHOS and DM-SEGPHOS. Key property: a melting point of 256-261 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 850253-53-1
Jingsj CID: J-1990763-5
Molecular Formula: C₄₆H₄₄O₄P₂
Chinese Name: (R)-(+)-5,5'-双[二(3,5-二甲苯基)膦]-4,4'-二-1,3-苯并二氧杂环戊烯
Molecular Weight: 722.78700 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	256-261 °C

Frequently Asked Questions

What is the CAS number of (R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole?

The CAS number of (R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole is 850253-53-1.

What are the molecular formula and molecular weight of (R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole?

(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole has molecular formula C46H44O4P2 and molecular weight 722.78700 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. "(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole (CAS 850253-53-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990763-5 (accessed 2026-10-24).

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