6,6'-[(3,3'-Di-tert-butyl-5,5'-dimethoxy-1,1'-biphenyl-2,2'-diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin)

6,6'-[(3,3'-二叔丁基-5,5'-二甲氧基-1,1'-联苯-2,2'-二基)双(氧)]双(二苯并[d,f][1,3,2]二噁磷杂庚英)

Also known as: BIPHEPHOS, BiPhePhos, 6,6'-[(3,3'-Di-t-butyl-5,5'-dimethoxy-1,1'-biphenyl-2,2'-diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin)

6,6'-[(3,3'-Di-tert-butyl-5,5'-dimethoxy-1,1'-biphenyl-2,2'-diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin) (CAS 121627-17-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C46H44O8P2 and a molecular weight of 786.78400 g/mol. It is also known as BIPHEPHOS, BiPhePhos and 6,6'-[(3,3'-Di-t-butyl-5,5'-dimethoxy-1,1'-biphenyl-2,2'-diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin). Key properties include a melting point of 128-133ºC, a boiling point of 768.263ºC at 760 mmHg and a flash point of 530.131ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
121627-17-6
Jingsj CID
J-34452-8
Molecular Formula
C46H44O8P2
Chinese Name
6,6'-[(3,3'-二叔丁基-5,5'-二甲氧基-1,1'-联苯-2,2'-二基)双(氧)]双(二苯并[d,f][1,3,2]二噁磷杂庚英)
Molecular Weight
786.78400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point128-133ºC
Boiling Point768.263ºC at 760 mmHg
Flash Point530.131ºC

Frequently Asked Questions

What is the CAS number of 6,6'-[(3,3'-Di-tert-butyl-5,5'-dimethoxy-1,1'-biphenyl-2,2'-diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin)?

The CAS number of 6,6'-[(3,3'-Di-tert-butyl-5,5'-dimethoxy-1,1'-biphenyl-2,2'-diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin) is 121627-17-6.

What are the molecular formula and molecular weight of 6,6'-[(3,3'-Di-tert-butyl-5,5'-dimethoxy-1,1'-biphenyl-2,2'-diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin)?

6,6'-[(3,3'-Di-tert-butyl-5,5'-dimethoxy-1,1'-biphenyl-2,2'-diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin) has molecular formula C46H44O8P2 and molecular weight 786.78400 g/mol.

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

Last updated:

How to cite: Jingsj. "6,6'-[(3,3'-Di-tert-butyl-5,5'-dimethoxy-1,1'-biphenyl-2,2'-diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin) (CAS 121627-17-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34452-8 (accessed 2026-10-24).

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