Hexamethyldisilane
CAS: 1450-14-2
Category: Organosilicon Compounds
| Purity | Reagent Grade ≥98%, Electronic Grade ≥99.9%, Technical Grade ≥95% |
| Molecular Formula | C6H18Si2 |
| Molecular Weight | 146.38 |
| Appearance | Colorless liquid |
| Packaging | 25 g/glass bottle, 100 g/glass bottle, or 180 kg/steel drum with polyethylene liner |
| Testing Indicators | Appearance — Visual inspection; Boiling point — Distillation (ASTM D1078); Refractive index — Abbe refractometer (ASTM D1218); Purity — GC; Identification — FTIR (Si–Si ~400 cm⁻¹), NMR; Moisture — Karl Fischer titration (GB/T 6283); Si–Si bond integrity — FTIR or GC-MS confirmation. |
| Storage Notes | Store in a cool, dry, and well-ventilated place (often recommended <15℃). It is flammable and moisture-sensitive. Keep the container tightly closed under an inert gas atmosphere. Ground/bond containers and use explosion-proof equipment. |
| Lead Time | Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.demeichem.com/config/helpers.php on line 28 days |
Used as an organosilicon reagent in organic synthesis. It can be a source of the trimethylsilyl (TMS) group for silylation reactions (e.g., of aryl or alkyl halides) and is sometimes used as a chemical shift standard for NMR spectroscopy.