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REACH 2018: Assess your substance to show safe use

Companies registering the same substance must work together to compile and share information on the uses, hazards and risks of their substance to demonstrate safe use. If new data involving animal testing needs to be generated, alternatives must always be considered first. All information should be reported in a registration dossier and submitted to ECHA by 31 May 2018.

 Companies registering the same substance need to gather all available information on their substance, identify data gaps and decide how to fill them in the substance information exchange forum (SIEF). This work is the most important part in preparing for REACH registration as companies use the information to demonstrate the safe use of their substance for human health and the environment. Assessing the hazards and risks of substances is the fourth phase of ECHA’s REACH 2018 Roadmap.

Companies should, as soon as possible, start compiling the information they need. They should first study what information is relevant for their registration. This depends on the substance properties and the volume of manufacture or import – the bigger the volume, the more information is needed. They can then identify information gaps, which have to be filled by sharing existing data or by generating new.

Before any new tests involving vertebrate animals are commissioned, full use of alternative approaches must be made first. Any adaptation to standard information requirements must be adequately justified in the registration dossier.



The last REACH registration deadline will be on 31 May 2018. This deadline concerns companies that manufacture or import chemical substances in low volumes, between 1-100 tonnes per year. ECHA’s REACH 2018 Roadmap splits the registration into seven phases and describes the milestones of each phase and support that the Agency plans to give to registrants. Companies should start their preparations early enough. ECHA’s REACH 2018 web pages serve as a one-stop-shop for all material to help companies prepare.