Trimethylsilyl chloride
CAS: 75-77-4
Category: Organosilicon Compounds
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Technical Grade ≥97% |
| Molecular Formula | C3H9ClSi |
| Molecular Weight | 108.64 |
| Appearance | Colorless to light yellow, fuming liquid |
| Packaging | Glass bottles (e.g., 25 mL, 100 mL, 500 mL, 1 L) |
| Testing Indicators | Appearance — Visual inspection; Boiling point — ASTM D1078; Density — ASTM D4052; Refractive index — ASTM D1218; Purity — GC; Chlorine content — Volhard titration; Moisture — Karl Fischer titration (GB/T 6283); Identification — FTIR/NMR; Hydrolyzable chloride — Titration (GB/T 3141). |
| Storage Notes | Keep in a cool, dry, well-ventilated area, tightly closed, away from moisture, water, and heat sources. |
| Lead Time | 10 days |
Widely used silylating agent in organic chemistry to protect hydroxyl, phenol, amine groups and for derivatisation (e.g., GC‑analysis) and as a building block in silane chemistry.