The European Commission updates the definition of nanomaterial

The European Commission has updated, as of 10 June 2022, the Recommendation 2011/696/EU on the definition of nanomaterial, that supports a coherent EU regulatory framework for nanomaterials:

'Nanomaterial' means a natural, incidental or manufactured material consisting of solid particles that are present, either on their own or as identifiable constituent particles in aggregates or agglomerates, and where 50 % or more of these particles in the number-based size distribution fulfil at least one of the following conditions:

(a) one or more external dimensions of the particle are in the size range 1 nm to 100 nm;

(b) the particle has an elongated shape, such as a rod, fibre or tube, where two external dimensions are smaller than 1 nm and the other dimension is larger than 100 nm;

(c) the particle has a plate-like shape, where one external dimension is smaller than 1 nm and the other dimensions are larger than 100 nm.

You can find more information on the Commission Recommendation here.

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