Diethyl((trimethylsilyl)methyl)phosphine oxide CAS 885951-68-8
| CAS No. | 885951-68-8 |
| Molecular Formula | C8H21OPSi |
| Molecular Weight | 192.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Diethyl((trimethylsilyl)methyl)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.
Diethyl((trimethylsilyl)methyl)phosphine oxide (CAS 885951-68-8), molecular formula C8H21OPSi and molecular weight 192.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H21OPSi, Diethyl((trimethylsilyl)methyl)phosphine oxide contains organophosphorus functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 192.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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.
Physical & Chemical Properties
| Molecular Formula | C8H21OPSi |
| Molecular Weight | 192.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -1.5 |
| CAS Registry Year (est.) | 1987 |
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