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ECHA announces RAC concludes on opinion for harmonised classification and labelling for titanium dioxide

Date: 29/9/2017

The European Chemicals Agency (ECHA) announced that the Committee for Risk Assessment (RAC) concluded on ten opinions for harmonised classification and labelling (CLH), including titanium dioxide.     

In May 2016, France submitted a CLH proposal for titanium dioxide, stating that titanium dioxide should be considered as being potentially carcinogenic to humans when inhaled and thus be classified as category 1B-H350i.

France proposed that the classification applies to both fine particles and nanomaterials of titanium dioxide “without any distinction in terms of morphology, crystal phase, and surface treatment.” 

During the RAC-41, held in June 2017, RAC “concluded that the available scientific evidence meets the criteria in the [Classification, Labelling and Packaging (CLP)] Regulation to classify titanium dioxide as a substance suspected of causing cancer through the inhalation route.” 

RAC did not agree to the proposal to classify titanium dioxide as category 1B, presumed to have carcinogenic potential for humans, but “agreed to classify titanium dioxide in category 2 as a suspected human carcinogen Carc. 2; H350 (inhalation), i.e. not by the oral or dermal routes.”

The annex to ECHA’s press release states that RAC adopted the final opinion in written procedure before RAC-42, held on 18-22 September, 2017. The opinion will be available on RAC’s web page in the near future.

For more information on the classification and hazards surrounding titanium dioxide visit our related posts below:

Source: ECHA via Bergeson & Campbell P.C.

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4 µm is the median aerodynamic diameter of particles that fall within the respirable size range.