Position „Cyclic Siloxanes on Candidate List“

The European Chemicals Agency (ECHA) decided in June 2018 to include the substances

  • D4 (Octamethylcyclotetrasiloxane)
  • D5 (Decamethylcyclopentasiloxane) and
  • D6 (Dodecamethylcyclohexasiloxane)

on the EU REACH Candidate List for Substances of Very High Concern (SVHC).

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TEGEWA method for determining cyclic siloxane levels in textile auxiliaries

In recent years, the cyclic silicones D4 (Octamethylcyclotetrasiloxane) and D5 (Decamethylcyclopentasiloxane) started to gain attention by national as well as European authorities. Some regulatory activity has been carried out, inter alia a restriction procedure for D4 and D5 in certain cosmetic uses (shampoos, conditioners) on EU level and the inclusion on the EU Candidate List for of substances that may require further regulatory measures under the European chemicals Legislation REACH.

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