trimethyl-[2-(3,4,5-trifluorophenyl)ethynyl]silane CAS 299411-43-1
| CAS No. | 299411-43-1 |
| Molecular Formula | C11H11F3Si |
| Molecular Weight | 228.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
trimethyl-[2-(3,4,5-trifluorophenyl)ethynyl]silane (CAS 299411-43-1), molecular formula C11H11F3Si and molecular weight 228.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, trimethyl-[2-(3,4,5-trifluorophenyl)ethynyl]silane (C11H11F3Si) contains fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 228.29 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), trimethyl-[2-(3,4,5-trifluorophenyl)ethynyl]silane 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 | C11H11F3Si |
| Molecular Weight | 228.29 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
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