| CAS No. | 153305-67-0 |
| Molecular Formula | C48H40P2 |
| Molecular Weight | 678.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 678.78 g/mol gives 2,2’-Bis(di-p-tolylphosphino)-1,1’-binaphthyl distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2,2’-Bis(di-p-tolylphosphino)-1,1’-binaphthyl (CAS 153305-67-0), a certified reference material (molecular formula C48H40P2, MW 678.78 g/mol) for analytical method development and quality control.
Owing to organophosphorus functionality, a polycyclic aromatic system, 2,2’-Bis(di-p-tolylphosphino)-1,1’-binaphthyl is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 678.78 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2,2’-Bis(di-p-tolylphosphino)-1,1’-binaphthyl meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C48H40P2 |
| Molecular Weight | 678.78 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 29.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |