On 12 March 2024, ECHA’s Public Activities Coordination Tool (PACT) was updated with the following new intention for Assessment of regulatory needs (ARN):

1. A mixture of: sodium 2-(C12-18-n-alkyl)amino-1,4-butandioate; sodium 2-octadecenyl-amino-1,4-butandioate

This update brought the number of PACT ARN and Hazard assessment substances to 4889.