SILICON DIOXIDE
SILICON DIOXIDE
| Article No. | 544305 |
| Grade | Extra Pure |
| Purity | – |
| CAS No. | 60676-86-0 |
| Molecular Formula | SiO2 |
| Molecular Weight | 60.08 |
| H.S. Code | 2811.2200 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Colour | White powder |
| Odour | Odorless |
| pH value | 4 – 8 |
| Melting point/ Freezing point [°C] | > 1600 °C |
| Boiling point [°C] | 2230 °C |
| Density [g/cm³] | 2.2 – 2.6 |
| Solubility in water [% weight] | Insoluble in water |
Specifications
| Apperance | White fine powder |
| pH | 4–8 in a slurry |
| Wet screen residue >42 micron | Max 0.01% |
| SiO2 ignited base | NLT 99.0% |
| Loss on drying | NMT 5.0 % |
| Loss on ignition | NMT 8.5 |
| Packings | 100 gm |
