Germany has submitted a proposal to restrict Undecafluorohexanoic acid (PFHxA), its salts and related substances in the EU. The proposed restriction includes substances in article based at concentration limits of
- the sum of PFHxA and its salts at a concentration equal to or above 25 ppb and
- the sum of PFHxA- related substances equal to or above 1000ppb.
Undecafluorohexanoic acid (PFHxA), its salts and related substances are defined in the proposal as:
(a) Any PFHxA-related substance (including its salts and polymers) having a linear or branched perfluoropenty group with the formula C5F11- directly attached to another carbon atom;