1,2,4,5-Tetrakis(diphenylphosphaneyl)benzene CAS 123739-99-1
| CAS No. | 123739-99-1 |
| Molecular Formula | C54H42P4 |
| Molecular Weight | 814.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2,4,5-Tetrakis(diphenylphosphaneyl)benzene (CAS 123739-99-1), molecular formula C54H42P4 and molecular weight 814.81 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to organophosphorus functionality, a polycyclic aromatic system, 1,2,4,5-Tetrakis(diphenylphosphaneyl)benzene is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 814.81 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C54H42P4 |
| Molecular Weight | 814.81 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) | 34.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
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