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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Monoisopropylnaphthalene is reported to produce acute toxic effects on freshwater algae within the range of water solubility (=< 2.8 mg/L). In a 72 h short-term toxicity test (OECD 201), the ECr50 was below 1 mg/L and the NOECr was below 0.1 mg/L. 

Key value for chemical safety assessment

EC50 for freshwater algae:
0.245 mg/L
EC10 or NOEC for freshwater algae:
0.079 mg/L

Additional information