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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

In an OECD 201 study EbC50 (72 h) = 1.5 mg/l and NOEC (72 h) = 0.625 mg/l.

Key value for chemical safety assessment

EC50 for freshwater algae:
1.5 mg/L
EC10 or NOEC for freshwater algae:
0.625 mg/L

Additional information

Toxicity to algae:

In an OECD 201 study conducted under GLP conditions, in Desmodesmus Subspicatus the EbC50 (72 h) of Molyvan 855 is 1.5 mg/l and NOEC (72 h) is 0.625 mg/l. (Safepharm Laboratories, 1997)

No studies are available with marine species.