Silica Gel
Silica Dioxide Gel
- CAS
- 112926-00-8
- EC
- 601-214-2
- Sectors
- Electronics & Solar PV, Printing & Packaging
Silica Gel (CAS 112926-00-8) is hydrated silicon dioxide, an amorphous porous material supplied as blue granules or powder, hygroscopic and insoluble, with a high internal surface area that supports moisture adsorption in transformer breathers, chromatography columns, food packaging sachets and electronics shipping indicators.
Typical Properties
| Molecular weight | 60.08 g/mol |
|---|---|
| Form | powder or granules |
| Color | blue |
| Odor | Odorless |
| Melting point | 1610°C |
| Boiling point | 2230°C |
| Density | 2.6 |
| Water solubility | Insoluble in water |
| Flash point | 23°C |
| pH | ~6.8 (10% in aq. suspension) |
| GHS signal word | Danger · Irritant / harmful, Health hazard |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Silica Gel
Applications
In transformer breathers for moisture control; in chromatography columns; in food packaging sachets; in catalyst carriers; and in humidity indicators for electronics shipping.
Safety & Risks
Silicosis from chronic dust; eye abrasive. Non-toxic ingestion; use HEPA filters and moisten for dust suppression in bulk.
Packaging
Bagged in 25 kg permeable tyvek sacks. Store in desiccant handling areas with RH monitors.