Diethyl(4-(ethylamino)phenyl)phosphine oxide CAS 87981-13-3
| CAS No. | 87981-13-3 |
| Molecular Formula | C12H20NOP |
| Molecular Weight | 225.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 225.27 g/mol gives Diethyl(4-(ethylamino)phenyl)phosphine oxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Diethyl(4-(ethylamino)phenyl)phosphine oxide (CAS 87981-13-3), molecular formula C12H20NOP and molecular weight 225.27 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage, Diethyl(4-(ethylamino)phenyl)phosphine oxide is typically white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 225.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Diethyl(4-(ethylamino)phenyl)phosphine oxide 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 | C12H20NOP |
| Molecular Weight | 225.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
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