Assessment of chemicals

eChemPortal: Global Portal to Information on Chemical Substances


What's new 

The eChemPortal Guidance for New Participants

This Guidance provides concise and practical information to help organisations identify the type of chemicals information shared on the eChemPortal - the Global Portal to Information on Chemical Substances and to define the best strategy to participate as a data source.

Search for data on chemicals by: 

Substance search Property search Classification search

Video: Learn how to find data on chemicals in eChemPortal


Roles and responsabilities

The Organisation for Economic Co-operation and Development (OECD) is responsible for the development and maintenance of eChemPortal, and eChemPortal is hosted by the European Chemicals Agency (ECHA). The data sources accessed through eChemPortal are maintained by and remain the responsibility of the organisations that create them. The data and information stored in each data source are the responsibility of the data owner. Participating data sources are responsible for ensuring links from eChemPortal to their local data sources are updated.

Extending eChemPortal

Holders of Internet-accessible databases or report collections containing peer-reviewed information on physical-chemical properties, environmental fate and pathways, ecotoxicity or toxicity of chemicals, as well as their use and exposure, are invited to participate in eChemPortal.

Proposals should be submitted to the OECD Secretariat at

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