(S)-(-)-5,5'-Bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole

(S)-(-)-5,5'-双(二苯基膦)-4,4'-二-1,3-苯并二噁茂

Also known as: (S)-(-)-SEGPHOS, (S)-5,5'-Bis(diphenylphosphino)-4,4'-bibenzodioxole, SEGPHOS, ((5,6),(5',6')-bis(methylenedioxy)biphenyl-2,2'-diyl)bis(diphenylphosphine), 1,1'-[(4S)-[4,4'-bi-1,3-benzodioxole]-5,5'-diyl]bis[1,1-diphenylphosphine], Phosphine, 1,1'-[4,4'-bi-1,3-benzodioxole]-5,5'-diylbis[1,1-diphenyl-, (S)-(-)-4,4'-Bis(diphenylphosphino)-3,3'-bi(1,2-methylenedioxybenzene)

(S)-(-)-5,5'-Bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole (CAS 210169-54-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C38H28O4P2 and a molecular weight of 610.574 g/mol. It is also known as (S)-(-)-SEGPHOS, (S)-5,5'-Bis(diphenylphosphino)-4,4'-bibenzodioxole and SEGPHOS. Key properties include a melting point of 231-235ºC, a boiling point of 715.4±60.0 °C at 760 mmHg and a flash point of 488.8±33.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

210169-54-3

Jingsj CID

J-31215-2

Molecular Formula

C₃₈H₂₈O₄P₂

Chinese Name

(S)-(-)-5,5'-双(二苯基膦)-4,4'-二-1,3-苯并二噁茂

Molecular Weight

610.574 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026