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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to birds

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Administrative data

Link to relevant study record(s)

Description of key information

Toxicity to birds data are not available and avian toxicity testing is scientifically unjustified. 

Key value for chemical safety assessment

Additional information

A large data set of studies are available on magnesium carbonate and other magnesium salts, both laboratory studies using test animals and human data reported in the public domain. The toxicity profile of magnesium carbonate in birds can therefore be predicted from that reported in the mammalian studies.

Based on the essentiality of magnesium and the low toxicity of magnesium carbonate as demonstrated by the available mammalian dataset, as well as the ubiquitous nature of magnesium carbonate in the environment, avian toxicity testing is scientifically unjustified.