
Article 1 
Synthetic amorphous silicon dioxide shall be approved as an active substance for use in biocidal products for product-type 18, subject to the specifications and conditions set out in the Annex.
Article 2 
This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union.
This Regulation shall be binding in its entirety and directly applicable in all Member States.Done at Brussels, 23 April 2014.
For the Commission
The President
José Manuel BARROSO
ANNEX

Common Name IUPAC NameIdentification Numbers Minimum degree of purity of the active substance Reference structural characteristics Date of approval Expiry date of approval Product type Specific conditions
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.


