259098

(2S,3S)-(−)-Bis(diphenylphosphino)butane

• Synonym(s): (2S,3S)-(−)-2,3-Bis(diphenylphosphino)butane, (S,S)-Chiraphos
• Linear Formula: [-CH(CH₃)P(C₆H₅)₂]₂
• CAS Number: 64896-28-2
• Molecular Weight: 426.47
• Beilstein: 4268869
• MDL number: MFCD00009836
• UNSPSC Code: 12352002
• PubChem Substance ID: 24855685
• NACRES: NA.22

Properties

• form: solid
• optical activity: [α]22/D −191°, c = 1.5 in chloroform
• mp: 108-110 °C (lit.)
• SMILES string: C[C@@H]([C@H](C)P(c1ccccc1)c2ccccc2)P(c3ccccc3)c4ccccc4
• InChI: 1S/C28H28P2/c1-23(29(25-15-7-3-8-16-25)26-17-9-4-10-18-26)24(2)30(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-24H,1-2H3/t23-,24-/m0/s1
• InChI key: FWXAUDSWDBGCMN-ZEQRLZLVSA-N

Description

Application

Ligand for Pd-catalyzed carbon-carbon bond formation.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves