latest version: 5.12

MeClas - the smartest way to fulfil your classification obligations

  • Tool to determine the classification of your complex inorganic materials like ores and concentrates, complex intermediates, alloys or UVCBs
  • Tiered approach
  • Using the most updated information on toxicity references and self classifications available following classification guidance and legal ruling


You must register in order to access the MeClas tool and all supporting information. A short description of the Terms of conditions can be downloaded. The manual gives an idea on the basic functionalities of MeClas.


MECLAS is freely available to use by metal industry and authorities. Reached your maximum number of 5 compositions?

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