Silicon dioxide
SIGALD/84880 - purum p.a., acid purified
Synonym: Cristobalite; Quartz; Sand; Silica
CAS Number: 60676-86-0
Empirical Formula (Hill Notation): O2Si
Molecular Weight: 60.08
MDL Number: MFCD00011232
Linear Formula: SiO2
Product Type: Chemical
| anion traces | chloride (Cl-): ≤200 mg/kg |
| cation traces | Ca: ≤50 mg/kg |
| Cd: ≤50 mg/kg | |
| Co: ≤50 mg/kg | |
| Cu: ≤50 mg/kg | |
| Fe: ≤100 mg/kg | |
| K: ≤100 mg/kg | |
| Na: ≤200 mg/kg | |
| Ni: ≤50 mg/kg | |
| Pb: ≤50 mg/kg | |
| Zn: ≤50 mg/kg | |
| density | 2.6 g/mL at 25 °C (lit.) |
| form | powder or crystals |
| grade | purum p.a. |
| InChI | 1S/O2Si/c1-3-2 |
| InChI key | VYPSYNLAJGMNEJ-UHFFFAOYSA |
| loss | ≤0.1% loss on ignition |
| mp | 1610 °C (lit.) |
| particle size | 40-200 mesh |
| quality | acid purified |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | O=[Si]=O |
| Application: | Silicon dioxide may be employed in the preparation of calcium silicide. |
| General description: | may contain dark particles |
| General description: | Silicon dioxide is one of the important constituents of sedimentary rock bauxite, basalt fibers and ceramic fibers. It is added to cement for improving the hydraulic properties of cement. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 1610 °C (lit.) |
| Density | 2.6 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352300 |