Silicon dioxide, alumina doped
ALDRICH/701491 - nanoparticles, dispersion, <50 nm particle size, 20 wt. % in H2O, ≥99.9% trace metals basis
Synonym: silicic anhydride, alumina doped preparation
Empirical Formula (Hill Notation): O2Si
Molecular Weight: 60.08
MDL Number: MFCD06202255
Linear Formula: (SiO2)x(Al2O3)y
Product Type: Chemical
| assay | ≥99.9% trace metals basis |
| composition | aluminum, 7.5 wt. % |
| concentration | 20 wt. % in H2O |
| density | 1.087 g/mL at 25 °C |
| form | dispersion |
| nanoparticles | |
| InChI | 1S/2Al.O2Si.3O/c;;1-3-2;; |
| InChI key | HNPSIPDUKPIQMN-UHFFFAOYSA |
| particle size | <50 nm |
| pH | 4-6(neat) |
| Quality Level | 100  |
| SMILES string | O=[Si]=O.O=[Al]O[Al]=O |
| surface area | 75.5 m2/g , BET |
| General description: | Contains 0.025 wt. % Ammonium hydroxide. |
| Legal Information: | Product of Engi-Mat Co. |
| Packaging: | 25, 100 mL in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.9% trace metals basis |
| Density | 1.087 g/mL at 25 °C |
| UNSPSC | 12352302 |