Dingjide Petrochemical
External donor/cocatalyst
Donor C
Chemical name: Cyclohexyl-Methyl-Dimethoxy Silane (CMMS)
Molecular formula: C9H20OSi
Molecular weight: 188.34
CAS No.：17865-32-6
Product characteristics
| Item | Unit | Index |
|---|---|---|
| Appearance | Colorless transparent liquid | |
| Chromaticity | Pt-Co | ≤10 |
| Purity | % | ≥99.70 |
| Moisture mass fraction | % | ≤0.10 |
| Methanol content | % | ≤0.01 |
| Refractive index(20℃) | 1.4360-1.4380 | |
| Density(20℃) | g/cm³ | 0.942-0.947 |
Donor C acts as a good external donor in propylene polymerization, can improve catalyst activity and stereo-selectivity and prolong catalyst life.
Packaging：180 kg net weight/drum or tailor made.
