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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

EL50 (72 h): > 100 mg/L
NOELR (72 h): >= 100 mg/L

Key value for chemical safety assessment

Additional information

The result of the available test showed that no inhibition of growth rate of the green algae Pseudokirchnerella subcapitata was observed at 72-h in all replicates of up to the 100 mg/L nominal loading rate of 1,8 -Naphthalenediol, 1,8 -dibenzoate