1,3-Bis(iodomethyl)tetramethyldisiloxane (stabilized with Copper chip) CAS 2943-69-3
| CAS No. | 2943-69-3 |
| Molecular Formula | C6H16I2OSi2 |
| Molecular Weight | 414.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1,3-Bis(iodomethyl)tetramethyldisiloxane (stabilized with Copper chip) (CAS 2943-69-3) is a high-purity analytical reference standard with the molecular formula C6H16I2OSi2 and a molecular weight of 414.17 g/mol.
Based on its molecular formula C6H16I2OSi2, 1,3-Bis(iodomethyl)tetramethyldisiloxane (stabilized with Copper chip) contains a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 414.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 1,3-Bis(iodomethyl)tetramethyldisiloxane (stabilized with Copper chip) 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 | C6H16I2OSi2 |
| Molecular Weight | 414.17 g/mol |
| Purity | >95% |
| 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.) | 1957 |
| Halogen Content | I-containing |
Related Bis Standards
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