Tetraethylphosphonium Tetrafluoroborate CAS 665-49-6
| CAS No. | 665-49-6 |
| Molecular Formula | C8H20P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Tetraethylphosphonium Tetrafluoroborate (CAS 665-49-6) is a high-purity analytical reference standard with the molecular formula C8H20PBF4 and a molecular weight of 234.02 g/mol.
The molecular framework of Tetraethylphosphonium Tetrafluoroborate (C8H20PBF4) is characterized by organophosphorus functionality, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C8H20P BF4 |
| Molecular Weight | 234.02 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -3.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
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