5,5'-(Dimethylsilanediyl)di(2-benzofuran-1,3-dione)
CAS: 42297-18-7
Category: Organosilicon Compounds
| Purity | Research Grade ≥98%; High-Purity Grade ≥99%; Analytical Standard Grade ≥99% (supplier dependent) |
| Molecular Formula | C18H12O6Si |
| Molecular Weight | 352.38 |
| Appearance | White to off-white crystalline powder or solid |
| Packaging | 1 g, 5 g, 10 g amber glass bottles; 25 g or 100 g aluminum foil bags with double polyethylene liner; bulk quantities packed in sealed moisture-proof containers |
| Testing Indicators | Appearance — Visual inspection; Identification — FTIR spectroscopy (anhydride carbonyl absorption) and NMR spectroscopy (1H NMR, 13C NMR, 29Si NMR); Purity — HPLC or LC-MS analysis; Molecular weight confirmation — HR-MS; Silicon content — ICP-OES or ICP-MS; Moisture content — Karl Fischer titration; Residual solvents — GC analysis; Thermal stability — TGA/DSC analysis. |
| Storage Notes | Store in a cool, dry, and well-ventilated area. Keep container tightly closed and protected from moisture. Avoid direct sunlight and excessive heat. Recommended storage under dry atmosphere. Keep away from strong acids, strong bases, and oxidizing agents. |
| Lead Time | 10 days |
5,5'-(Dimethylsilanediyl)di(2-benzofuran-1,3-dione) is an organosilicon compound containing a silicon bridge and phthalic anhydride functional groups. It is mainly used as a specialty organic synthesis intermediate, silicone chemistry reagent, and research compound. It can be utilized in the preparation of silicon-containing polymers, functional materials, and advanced organic synthesis studies requiring silane-based aromatic dianhydride structures.