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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to fish

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Administrative data

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Additional information

Short term effects on fish ranged from 74 to 725 mg B/L. Equivalent concentrations of dipotassium tetraborate would be:

Anhydrous: 400 to 3919 mg/L,

Tetrahydrate: 523 to 5124 mg/L.

These data support a conclusion that borates should not be classified as dangerous for the environment.