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特別 提示
CAS Number 112926-00-8
EC Number 231-545-4
MDL number MFCD00011232
PubChem Substance ID 24854190
Popular Documents: Specification Sheet (PDF)
| Related Categories | Analytical/Chromatography, Davisil Grades, Davisil Irregular Silica Gel, Essential Chemicals, Research Essentials, |
| grade | high-purity grade (Davisil Grade 636) |
| InChI Key |
VYPSYNLAJGMNEJ-UHFFFAOYSA |
| assay | ≥99% |
| form | powder |
| mfr. no. | Davisil® |
| particle size | 250-500 μm |
| 35-60 mesh |
1 kg in poly bottle
100 g in poly bottle
25 kg in fiber drum
Silica gel is a rigid 3D network of colloidal silica. It is exclusively used as a support material for the active titanium(III) centers in Ziegler-Natta catalysts. Silica gel allows a controlled fragmentation leading to form uniform polymer particles with narrow particle size distribution and high bulk density. Silica gel is classified as below:
a. Aquagel - pores are filled with water
b. Xerogel - by the process of evaporation, aqueous phase in the pores are removed
c. Aerogel - solvent removed by supercritical extraction.
Davisil is a registered trademark of W.R. Grace & Co.-Conn.
