1,3-Diethyl-1,1,3,3-tetramethyldisiloxane CAS 2295-17-2
| CAS No. | 2295-17-2 |
| Molecular Formula | C8H22OSi2 |
| Molecular Weight | 190.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 190.43 g/mol gives 1,3-Diethyl-1,1,3,3-tetramethyldisiloxane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1,3-Diethyl-1,1,3,3-tetramethyldisiloxane (CAS 2295-17-2), molecular formula C8H22OSi2 and molecular weight 190.43 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H22OSi2, 1,3-Diethyl-1,1,3,3-tetramethyldisiloxane contains a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 190.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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 | C8H22OSi2 |
| Molecular Weight | 190.43 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) | -2.0 |
| CAS Registry Year (est.) | 1957 |
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