Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Sediment toxicity

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Administrative data

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Additional information

The reaction mass is produced at one manufacturing site and is then used by the paper industry for the production of paper by the Kraft process.

At the manufacturing site, exposure to the substance via releases to the aquatic compartment is very limited and so the exposure of sediment organisms can be considered as not significant. During the concentration step of the reaction mass, water is removed to concentrate the inorganic and organic salts. Release to the aquatic compartment would be possible from this water resulting from this concentration step. Thus based on the process, the wastewater would contain a very limited amount of the reaction mass and is treated by the on-site sewage treatment plant thus resulting in a non significant exposure of the aquatic compartment to the reaction mass.

The use of the reaction mass by the paper industry is done in a closed system where it is entirely consumed during the Kraft process. Thus the use of the substance by the paper industry results in no exposure of the environment to the reaction mass.