# Commission Implementing Regulation (EU) No 408/2014 of 23 April 2014 approving synthetic amorphous silicon dioxide as an existing active substance for use in biocidal products for product-type 18 (Text with EEA relevance), Annex

Extent: E+W+S+N.I.

The purity indicated in this column was the minimum degree of purity of the active substance used for the evaluation made in accordance with Article 8 of Regulation (EU) No 528/2012. The active substance in the product placed on the market can be of equal or different purity if it has been proven technically equivalent with the evaluated active substance.
The structural characteristics indicated in this column were the ones of the active substance used for the evaluation made in accordance with Article 8 of Regulation (EU) No 528/2012.
For the implementation of the common principles of Annex VI to Regulation (EU) No 528/2012, the content and conclusions of assessment reports are available on the Commission website: http://ec.europa.eu/comm/environment/biocides/index.htm
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 dioxide
EC No: 231-545-4
CAS No: 112926-00-8
This 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.

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Source: https://www.legislation.gov.uk/eur/2014/408/annex (the official version)
Page: https://openlegislation.uk/eu-regulation-2014-408/annex
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.