| CAS No. | 18419-84-6 |
| Molecular Formula | C8H22O2Si2 |
| Molecular Weight | 206.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1,2-diethoxy-1,1,2,2-tetramethyldisilane (CAS 18419-84-6) is a high-purity analytical reference standard with the molecular formula C8H22O2Si2 and a molecular weight of 206.43 g/mol.
Based on its molecular formula C8H22O2Si2, 1,2-diethoxy-1,1,2,2-tetramethyldisilane contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 206.43 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.
As a certified reference material (CRM), 1,2-diethoxy-1,1,2,2-tetramethyldisilane 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.
| Molecular Formula | C8H22O2Si2 |
| Molecular Weight | 206.43 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -2.0 |
| CAS Registry Year (est.) | 1962 |