[(2-Bromophenyl)methyl]triphenyl-phosphonium Bromide CAS 36901-75-4
| CAS No. | 36901-75-4 |
| Molecular Formula | C25H21BrP |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 512.23 g/mol gives [(2-Bromophenyl)methyl]triphenyl-phosphonium Bromide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
[(2-Bromophenyl)methyl]triphenyl-phosphonium Bromide (CAS 36901-75-4) is a high-purity analytical reference standard with the molecular formula C25H21BrPBr and a molecular weight of 512.23 g/mol.
Based on its molecular formula C25H21BrPBr, [(2-Bromophenyl)methyl]triphenyl-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 512.23 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C25H21BrP Br |
| Molecular Weight | 512.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Br-containing |
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