On 3 September 2021, the European Chemical Agency (ECHA) has launched a Public Consultation on 4 potential Substances of Very High Concern (SVHC). The proposed substances in the consultation are listed as below, the deadline for commenting is 18 October 2021.
| # | Substance Name | EC Number | CAS Number | Proposing Authority | Reason for Proposing |
| 1 | (±)-1,7,7-trimethyl-3-[(4-methylphenyl)methylene]bicyclo[2.2.1]heptan-2-one covering any of the individual isomers and/or combinations thereof (4-MBC) | -- | -- | Denmark | Endocrine disrupting properties (Article 57(f) - human health) |
| 2 | 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol (DBMC) | 204-327-1 | 119-47-1 | Denmark | Toxic for reproduction (Article 57 c) |
| 3 | S-(tricyclo[5.2.1.0'2,6]deca-3-en-8(or 9)-yl) O-(isopropyl or isobutyl or 2-ethylhexyl) O-(isopropyl or isobutyl or 2-ethylhexyl) phosphorodithioate | 401-850-9 | 255881-94-8 | Belgium | PBT (Article 57 d) |
| 4 | tris(2-methoxyethoxy)vinylsilane | 213-934-0 | 1067-53-4 | Austria | Toxic for reproduction (Article 57 c) |
