The European Chemical Agency (ECHA) begun its first public consultation of the year on March 13, 2019. The consultation is looking at the proposal to classify three substances as Substances of Very High Concern (SVHCs).
The three substances under consultation are:
- 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid, its salts and its acyl halides (covering all individual isomers and combinations)
- 2-methoxyethyl acetate
- Tris(4-nonylphenyl, branched and linear) phosphite (TNPP) with ≥ 0.1% w/w of 4-nonylphenol, branched and linear (4-NP)
The first of the potential SVHCs, listed above as 1, is part of a group of perfluorinated substances (PFAS). It’s inclusion in the consultation rests upon its probable serious effects to the environment and human health. The form 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoate is very persistent and very mobile in the aquatic environment, and it gives the same level of concern as other SVHCs. As an ammonium salt it is used as a processing aid for the production of fluoro-polymers.
The potential SVHC listed as 2, is considered to be toxic to reproduction, causing damage to fertility and unborn children. If the application is accepted, it will become the fifth glycol ether on the candidate list. Its uses include being a solvent for gums, resins, waxes, and oils and in the manufacture of semiconductors, textile printing and photographic films.
Substance 3 has been identified as a substance of unknown or variable composition, complex reaction products or biological materials (UVCB) as it contains 0.1% w/w 4-nonylphenol, branched and linear. This is recognised as an endocrine disruptor to the environment. The primary use of TNPP is as a stabilizer in rubbers and plastic products, and as a binding agent in paints and coatings or adhesives.
Stakeholders have been given until April 29, 2019, to make comments on these proposals to the ECHA. If they are accepted as SVHCs, this will increase the number of substances on the Candidate List to 200.
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