Synthetic amorphous silicon dioxide (nano) | IUPAC Name:Silicon dioxideEC No: 231-545-4CAS No: 112926-00-8This approval covers synthetic amorphous silicon dioxide as a nanomaterial in the form of stable aggregated particles of particle size > 1 μm, with primary particles of nanosize. | 800 g/kg | - Size of stable aggregated particles > 1 μm
- Primary particle size < 25 nm
- Volume specific surface area > 600 m2/cm3
| 1 November 2015 | 31 October 2025 | 18 | The product assessment shall pay particular attention to the exposures, the risks and the efficacy linked to any uses covered by an application for authorisation, but not addressed in the Union level risk assessment of the active substance. |