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1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)

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1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine) molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of 1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine) (CAS 161265-03-8). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS161265-03-8
Molecular formulaC39H32OP2
Molecular weight578.63 g/mol
IUPAC name(5-diphenylphosphanyl-9,9-dimethylxanthen-4-yl)-diphenylphosphane
SynonymsXantphos · 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene · 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene · NMU72MOG9B · 9,9-dimethyl-4,6-bis(diphenylphosphino)xanthene · RefChem:902347
Safety & Hazards (GHS) Warning
Irritant Irritant
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma XANTPHOS, 97% 526460-1G
526460-25G
526460-5G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.