667196

9,9-Dimethyl-4,5-bis(di-tert-butylphosphino)xanthene

97%

• Synonym(s): t-Bu-Xantphos
• Linear Formula: (C₁₅H₁₂O)(P(C₄H₉)₂)₂
• CAS Number: 856405-77-1
• Molecular Weight: 498.66
• MDL number: MFCD07781995
• UNSPSC Code: 12352005
• PubChem Substance ID: 24884891
• NACRES: NA.22

Properties

• assay: 97%
• form: solid
• reaction suitability: reaction type: Buchwald-Hartwig Cross Coupling Reaction; reaction type: Heck Reaction; reaction type: Hiyama Coupling; reaction type: Negishi Coupling; reaction type: Sonogashira Coupling; reaction type: Stille Coupling; reaction type: Suzuki-Miyaura Coupling; reagent type: catalyst; reagent type: ligand
• mp: 153-157 °C
• functional group: phosphine
• SMILES string: CC(C)(C)P(c1cccc2c1Oc3c(cccc3C2(C)C)P(C(C)(C)C)C(C)(C)C)C(C)(C)C
• InChI: 1S/C31H48OP2/c1-27(2,3)33(28(4,5)6)23-19-15-17-21-25(23)32-26-22(31(21,13)14)18-16-20-24(26)34(29(7,8)9)30(10,11)12/h15-20H,1-14H3
• InChI key: ZEIZANJFJXHMNS-UHFFFAOYSA-N

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)