Triphenyl(tridecyl)phosphonium bromide CAS 13266-02-9
| CAS No. | 13266-02-9 |
| Molecular Formula | C31H42P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Triphenyl(tridecyl)phosphonium bromide (CAS 13266-02-9) is a high-purity analytical reference standard with the molecular formula C31H42PBr and a molecular weight of 525.55 g/mol.
Based on its molecular formula C31H42PBr, Triphenyl(tridecyl)phosphonium bromide contains organophosphorus functionality, bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 525.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), Triphenyl(tridecyl)phosphonium bromide 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.
Physical & Chemical Properties
| Molecular Formula | C31H42P Br |
| Molecular Weight | 525.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Br-containing |
Related Triphenyl Standards
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- Triphenyl(p-tolyl)phosphonium iodide (CAS 10111-23-6)
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- 2,4,6-Triphenyl-1-(p-tolyl)pyridin-1-ium tetrafluoroborate (CAS 107108-26-9)
- Triphenyl(3,4,5-trimethoxybenzyl)phosphonium chloride (CAS 108683-61-0)
- (S)-1,1,2-Triphenyl-1,2-ethanediol (CAS 108998-83-0)
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