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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

GLP-compliant guideline studies were available assessing acute toxicity to algae from freshwater and marine environments.

Key value for chemical safety assessment

EC50 for freshwater algae:
100 mg/L
EC50 for marine water algae:
1 000 mg/L
EC10 or NOEC for freshwater algae:
100 mg/L
EC10 or NOEC for marine water algae:
1 000 mg/L

Additional information

Based on the results of the short-term toxicity limit tests to algae conducted on freshwater and marine species, it can be concluded that the test material Diutan is of low toxicity to algae. No Observed Effect Concentrations were reported as 100 mg a.i/L and 1000 mg/L for freshwater and marine, respectively.